1909 lines
68 KiB
Python
1909 lines
68 KiB
Python
"""
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布料材质系统
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提供布料材质的定义和管理
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包含完整的物理和视觉属性定义
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"""
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from panda3d.core import Vec4, Vec3
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from typing import Dict, Any, List, Optional
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import math
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class ClothMaterial:
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"""
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布料材质类
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定义布料的物理和视觉属性，包含完整的材料科学参数
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"""
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# 预定义的布料材质类型
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TYPE_COTTON = "cotton"
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TYPE_SILK = "silk"
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TYPE_LEATHER = "leather"
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TYPE_RUBBER = "rubber"
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TYPE_DENIM = "denim"
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TYPE_LINEN = "linen"
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TYPE_WOOL = "wool"
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TYPE_SYNTHETIC = "synthetic"
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TYPE_MESH = "mesh"
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TYPE_CANVAS = "canvas"
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TYPE_NYLON = "nylon"
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TYPE_POLYESTER = "polyester"
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TYPE_SATIN = "satin"
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TYPE_TERRY = "terry"
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TYPE_FLEECE = "fleece"
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TYPE_NEOPRENE = "neoprene"
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TYPE_SPANDEX = "spandex"
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TYPE_TWEED = "tweed"
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TYPE_TULLE = "tulle"
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TYPE_VELVET = "velvet"
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TYPE_SUEDE = "suede"
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# 材质行为特性
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BEHAVIOR_DEFAULT = "default"
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BEHAVIOR_STIFF = "stiff"
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BEHAVIOR_FLEXIBLE = "flexible"
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BEHAVIOR_ELASTIC = "elastic"
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BEHAVIOR_HEAVY = "heavy"
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BEHAVIOR_LIGHT = "light"
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def __init__(self, name: str, material_type: str = TYPE_COTTON,
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physical_params: Dict[str, float] = None,
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visual_params: Dict[str, Any] = None,
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advanced_params: Dict[str, Any] = None):
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"""
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初始化布料材质
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Args:
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name: 材质名称
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material_type: 材质类型
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physical_params: 物理参数字典
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visual_params: 视觉参数字典
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advanced_params: 高级参数字典
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"""
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self.name = name
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self.material_type = material_type
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self.behavior_mode = self.BEHAVIOR_DEFAULT
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# 默认物理参数（基础物理属性）
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self.default_physical_params = {
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'density': 0.6, # 密度 (kg/m³)
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'linear_stiffness': 0.7, # 线性刚度
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'angular_stiffness': 0.6, # 角度刚度
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'volume_stiffness': 0.4, # 体积保持刚度
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'friction': 0.6, # 摩擦系数
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'restitution': 0.1, # 恢复系数
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'pressure_coefficient': 0.0, # 压力系数
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'drag_coefficient': 0.02, # 阻力系数
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'lift_coefficient': 0.01, # 升力系数
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'bend_stiffness': 0.5, # 弯曲刚度
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'damping': 0.01, # 阻尼系数
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'plastic_threshold': 0.1, # 塑性阈值
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'plastic_stiffness': 0.5, # 塑性刚度
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'tear_threshold': 100.0, # 撕裂阈值
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'tear_resistance': 50.0, # 撕裂阻力
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'anisotropic_friction': [0.6, 0.6, 0.6], # 各向异性摩擦
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'dynamic_friction': 0.6, # 动态摩擦系数
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'static_friction': 0.7, # 静态摩擦系数
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'rolling_friction': 0.1, # 滚动摩擦系数
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'spinning_friction': 0.05, # 自旋摩擦系数
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'viscosity': 0.01, # 粘度
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'compressibility': 0.1, # 可压缩性
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'shear_modulus': 0.7, # 剪切模量
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'bulk_modulus': 1.2, # 体积模量
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'youngs_modulus': 1.0, # 杨氏模量
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'poisson_ratio': 0.4 # 泊松比
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}
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# 默认视觉参数
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self.default_visual_params = {
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'color': Vec4(0.8, 0.8, 0.8, 1.0), # 颜色
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'roughness': 0.7, # 粗糙度
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'metallic': 0.0, # 金属度
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'specular': 0.2, # 镜面反射
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'texture_scale': 1.0, # 纹理缩放
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'normal_strength': 1.0, # 法线强度
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'emissive': Vec4(0, 0, 0, 0), # 自发光
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'opacity': 1.0, # 不透明度
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'transmission': 0.0, # 透射
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'anisotropy': 0.0, # 各向异性
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'clearcoat': 0.0, # 清漆层
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'clearcoat_roughness': 0.0, # 清漆粗糙度
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'sheen': 0.0, # 光泽
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'sheen_roughness': 0.0, # 光泽粗糙度
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'subsurface': 0.0, # 次表面散射
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'subsurface_color': Vec4(1, 1, 1, 1), # 次表面颜色
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'thickness': 1.0 # 厚度
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}
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# 默认高级参数
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self.default_advanced_params = {
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'temperature_sensitivity': 0.0, # 温度敏感性
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'humidity_sensitivity': 0.0, # 湿度敏感性
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'aging_factor': 0.0, # 老化因子
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'stretch_recovery': 0.8, # 拉伸恢复
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'compression_recovery': 0.8, # 压缩恢复
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'fatigue_resistance': 0.9, # 疲劳抗性
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'abrasion_resistance': 0.8, # 耐磨性
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'chemical_resistance': 0.7, # 化学抗性
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'uv_resistance': 0.6, # 紫外线抗性
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'flame_resistance': 0.5, # 阻燃性
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'water_absorption': 0.1, # 吸水性
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'air_permeability': 0.5, # 透气性
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'thermal_conductivity': 0.1, # 热导率
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'electrical_conductivity': 0.0, # 电导率
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'magnetic_permeability': 1.0, # 磁导率
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'radiation_absorption': 0.1, # 辐射吸收
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'biodegradability': 0.3, # 生物降解性
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'recyclability': 0.8 # 可回收性
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}
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# 合并参数
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self.physical_params = self.default_physical_params.copy()
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if physical_params:
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self.physical_params.update(physical_params)
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self.visual_params = self.default_visual_params.copy()
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if visual_params:
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self.visual_params.update(visual_params)
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self.advanced_params = self.default_advanced_params.copy()
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if advanced_params:
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self.advanced_params.update(advanced_params)
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# 材质状态
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self.temperature = 20.0 # 摄氏度
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self.humidity = 50.0 # 相对湿度百分比
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self.age = 0.0 # 使用年限
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self.wear_level = 0.0 # 磨损程度 (0-1)
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def get_physical_parameters(self) -> Dict[str, float]:
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"""
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获取物理参数（考虑环境和老化影响）
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Returns:
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物理参数字典
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"""
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# 应用环境和老化效应
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adjusted_params = self.physical_params.copy()
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# 温度影响
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temp_sensitivity = self.advanced_params.get('temperature_sensitivity', 0.0)
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temp_factor = 1.0 + (self.temperature - 20.0) * temp_sensitivity * 0.01
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adjusted_params['linear_stiffness'] *= temp_factor
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adjusted_params['angular_stiffness'] *= temp_factor
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# 湿度影响
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humidity_sensitivity = self.advanced_params.get('humidity_sensitivity', 0.0)
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humidity_factor = 1.0 + (self.humidity - 50.0) * humidity_sensitivity * 0.01
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adjusted_params['density'] *= humidity_factor
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# 老化影响
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aging_factor = self.advanced_params.get('aging_factor', 0.0)
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aging_multiplier = 1.0 - self.age * aging_factor * 0.01
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adjusted_params['linear_stiffness'] *= aging_multiplier
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adjusted_params['restitution'] *= aging_multiplier
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# 磨损影响
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adjusted_params['friction'] *= (1.0 - self.wear_level * 0.2)
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adjusted_params['tear_resistance'] *= (1.0 - self.wear_level * 0.5)
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return adjusted_params
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def get_visual_parameters(self) -> Dict[str, Any]:
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"""
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获取视觉参数（考虑磨损和老化影响）
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Returns:
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视觉参数字典
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"""
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adjusted_params = self.visual_params.copy()
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# 磨损影响颜色和粗糙度
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if self.wear_level > 0:
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# 颜色变暗
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color = adjusted_params['color']
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darkening = 1.0 - self.wear_level * 0.2
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adjusted_params['color'] = Vec4(
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color[0] * darkening,
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color[1] * darkening,
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color[2] * darkening,
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color[3]
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)
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# 增加粗糙度
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adjusted_params['roughness'] = min(1.0,
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adjusted_params['roughness'] + self.wear_level * 0.3)
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# 老化影响
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aging_darkening = self.age * 0.05
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if aging_darkening > 0:
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color = adjusted_params['color']
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adjusted_params['color'] = Vec4(
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max(0.0, color[0] - aging_darkening),
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max(0.0, color[1] - aging_darkening),
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max(0.0, color[2] - aging_darkening),
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color[3]
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)
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return adjusted_params
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def get_advanced_parameters(self) -> Dict[str, Any]:
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"""
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获取高级参数
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Returns:
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高级参数字典
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"""
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return self.advanced_params.copy()
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def update_physical_parameter(self, param_name: str, value: float) -> bool:
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"""
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更新物理参数
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Args:
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param_name: 参数名称
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value: 参数值
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Returns:
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是否更新成功
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"""
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if param_name in self.physical_params:
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self.physical_params[param_name] = value
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return True
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return False
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def update_visual_parameter(self, param_name: str, value) -> bool:
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"""
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更新视觉参数
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Args:
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param_name: 参数名称
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value: 参数值
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Returns:
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是否更新成功
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"""
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if param_name in self.visual_params:
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self.visual_params[param_name] = value
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return True
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return False
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def update_advanced_parameter(self, param_name: str, value) -> bool:
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"""
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更新高级参数
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Args:
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param_name: 参数名称
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value: 参数值
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Returns:
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是否更新成功
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"""
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if param_name in self.advanced_params:
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self.advanced_params[param_name] = value
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return True
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return False
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def set_environment_conditions(self, temperature: float = None,
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humidity: float = None):
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"""
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设置环境条件
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Args:
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temperature: 温度 (摄氏度)
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humidity: 湿度 (相对湿度百分比)
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"""
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if temperature is not None:
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self.temperature = temperature
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if humidity is not None:
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self.humidity = max(0.0, min(100.0, humidity))
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def simulate_aging(self, years: float):
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"""
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模拟材料老化
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Args:
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years: 老化年数
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"""
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self.age += years
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self.age = max(0.0, self.age)
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def simulate_wear(self, wear_amount: float):
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"""
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模拟材料磨损
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Args:
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wear_amount: 磨损量 (0-1)
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"""
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self.wear_level += wear_amount
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self.wear_level = max(0.0, min(1.0, self.wear_level))
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def set_behavior_mode(self, behavior_mode: str):
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"""
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设置行为模式
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Args:
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behavior_mode: 行为模式
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"""
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self.behavior_mode = behavior_mode
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def get_material_properties_summary(self) -> Dict[str, Any]:
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"""
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获取材料属性摘要
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Returns:
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属性摘要字典
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"""
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return {
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'name': self.name,
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'type': self.material_type,
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'behavior_mode': self.behavior_mode,
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'environment': {
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'temperature': self.temperature,
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'humidity': self.humidity
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},
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'condition': {
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'age': self.age,
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'wear_level': self.wear_level
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},
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'physical_properties': {
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'density': self.physical_params['density'],
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'stiffness': self.physical_params['linear_stiffness'],
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'elasticity': self.physical_params['youngs_modulus'],
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'friction': self.physical_params['friction'],
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'tear_resistance': self.physical_params['tear_resistance']
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},
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'visual_properties': {
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'color': self.visual_params['color'],
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'roughness': self.visual_params['roughness'],
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'metallic': self.visual_params['metallic']
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},
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'advanced_properties': {
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'durability': self.advanced_params['fatigue_resistance'],
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'chemical_resistance': self.advanced_params['chemical_resistance'],
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'uv_resistance': self.advanced_params['uv_resistance']
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}
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}
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class ClothMaterialManager:
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"""
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布料材质管理器
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管理和提供预定义的布料材质，支持材质混合和自定义
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"""
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def __init__(self):
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self.materials: Dict[str, ClothMaterial] = {}
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self.material_combinations: Dict[str, Dict[str, Any]] = {}
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self._init_default_materials()
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def _init_default_materials(self):
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"""
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初始化默认布料材质
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"""
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# 棉布 - 天然纤维，透气性好
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cotton = ClothMaterial(
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"Cotton",
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ClothMaterial.TYPE_COTTON,
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{
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'density': 0.6,
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'linear_stiffness': 0.7,
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'angular_stiffness': 0.6,
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'volume_stiffness': 0.4,
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'friction': 0.6,
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'restitution': 0.1,
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'pressure_coefficient': 0.0,
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'drag_coefficient': 0.02,
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'lift_coefficient': 0.01,
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'bend_stiffness': 0.5,
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'damping': 0.01,
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'plastic_threshold': 0.1,
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'plastic_stiffness': 0.5,
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'tear_threshold': 100.0,
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'tear_resistance': 50.0,
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'anisotropic_friction': [0.6, 0.6, 0.6],
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'dynamic_friction': 0.6,
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'static_friction': 0.7,
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'rolling_friction': 0.1,
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'spinning_friction': 0.05,
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'viscosity': 0.01,
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'compressibility': 0.1,
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'shear_modulus': 0.7,
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'bulk_modulus': 1.2,
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'youngs_modulus': 1.0,
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'poisson_ratio': 0.4
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},
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{
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'color': Vec4(0.9, 0.9, 0.85, 1.0),
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'roughness': 0.8,
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'metallic': 0.0,
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'specular': 0.1,
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'texture_scale': 1.0,
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'normal_strength': 0.8
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},
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{
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'temperature_sensitivity': 0.1,
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'humidity_sensitivity': 0.3,
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'aging_factor': 0.2,
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'stretch_recovery': 0.8,
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'compression_recovery': 0.8,
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'fatigue_resistance': 0.7,
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'abrasion_resistance': 0.6,
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'chemical_resistance': 0.5,
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'uv_resistance': 0.4,
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'flame_resistance': 0.6,
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'water_absorption': 0.8,
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'air_permeability': 0.9,
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'thermal_conductivity': 0.1,
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'biodegradability': 0.9,
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'recyclability': 0.8
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}
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)
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# 丝绸 - 光滑、柔软、有光泽
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silk = ClothMaterial(
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"Silk",
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ClothMaterial.TYPE_SILK,
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{
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'density': 0.3,
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'linear_stiffness': 0.5,
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'angular_stiffness': 0.4,
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'volume_stiffness': 0.2,
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'friction': 0.2,
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'restitution': 0.3,
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'pressure_coefficient': 0.0,
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'drag_coefficient': 0.05,
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'lift_coefficient': 0.03,
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'bend_stiffness': 0.3,
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'damping': 0.005,
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'plastic_threshold': 0.05,
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'plastic_stiffness': 0.3,
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'tear_threshold': 80.0,
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'tear_resistance': 30.0,
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'anisotropic_friction': [0.2, 0.2, 0.2],
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'dynamic_friction': 0.2,
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'static_friction': 0.3,
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'rolling_friction': 0.05,
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'spinning_friction': 0.02,
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'viscosity': 0.005,
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'compressibility': 0.05,
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'shear_modulus': 0.4,
|
|
'bulk_modulus': 0.9,
|
|
'youngs_modulus': 0.6,
|
|
'poisson_ratio': 0.35
|
|
},
|
|
{
|
|
'color': Vec4(0.95, 0.95, 0.9, 1.0),
|
|
'roughness': 0.3,
|
|
'metallic': 0.1,
|
|
'specular': 0.4,
|
|
'texture_scale': 0.5,
|
|
'normal_strength': 0.5,
|
|
'sheen': 0.8,
|
|
'sheen_roughness': 0.2
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.05,
|
|
'humidity_sensitivity': 0.2,
|
|
'aging_factor': 0.1,
|
|
'stretch_recovery': 0.9,
|
|
'compression_recovery': 0.9,
|
|
'fatigue_resistance': 0.6,
|
|
'abrasion_resistance': 0.4,
|
|
'chemical_resistance': 0.3,
|
|
'uv_resistance': 0.2,
|
|
'flame_resistance': 0.7,
|
|
'water_absorption': 0.6,
|
|
'air_permeability': 0.7,
|
|
'thermal_conductivity': 0.05,
|
|
'biodegradability': 0.8,
|
|
'recyclability': 0.7
|
|
}
|
|
)
|
|
|
|
# 皮革 - 坚韧、耐用
|
|
leather = ClothMaterial(
|
|
"Leather",
|
|
ClothMaterial.TYPE_LEATHER,
|
|
{
|
|
'density': 0.8,
|
|
'linear_stiffness': 0.9,
|
|
'angular_stiffness': 0.8,
|
|
'volume_stiffness': 0.6,
|
|
'friction': 0.7,
|
|
'restitution': 0.1,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.01,
|
|
'lift_coefficient': 0.005,
|
|
'bend_stiffness': 0.8,
|
|
'damping': 0.015,
|
|
'plastic_threshold': 0.2,
|
|
'plastic_stiffness': 0.7,
|
|
'tear_threshold': 150.0,
|
|
'tear_resistance': 80.0,
|
|
'anisotropic_friction': [0.7, 0.7, 0.7],
|
|
'dynamic_friction': 0.7,
|
|
'static_friction': 0.8,
|
|
'rolling_friction': 0.15,
|
|
'spinning_friction': 0.08,
|
|
'viscosity': 0.015,
|
|
'compressibility': 0.15,
|
|
'shear_modulus': 0.8,
|
|
'bulk_modulus': 1.1,
|
|
'youngs_modulus': 0.85,
|
|
'poisson_ratio': 0.42
|
|
},
|
|
{
|
|
'color': Vec4(0.8, 0.6, 0.4, 1.0),
|
|
'roughness': 0.6,
|
|
'metallic': 0.0,
|
|
'specular': 0.2,
|
|
'texture_scale': 2.0,
|
|
'normal_strength': 1.2
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.02,
|
|
'humidity_sensitivity': 0.1,
|
|
'aging_factor': 0.05,
|
|
'stretch_recovery': 0.7,
|
|
'compression_recovery': 0.7,
|
|
'fatigue_resistance': 0.9,
|
|
'abrasion_resistance': 0.9,
|
|
'chemical_resistance': 0.8,
|
|
'uv_resistance': 0.7,
|
|
'flame_resistance': 0.8,
|
|
'water_absorption': 0.3,
|
|
'air_permeability': 0.2,
|
|
'thermal_conductivity': 0.15,
|
|
'biodegradability': 0.4,
|
|
'recyclability': 0.6
|
|
}
|
|
)
|
|
|
|
# 橡胶 - 弹性、防水
|
|
rubber = ClothMaterial(
|
|
"Rubber",
|
|
ClothMaterial.TYPE_RUBBER,
|
|
{
|
|
'density': 1.2,
|
|
'linear_stiffness': 0.95,
|
|
'angular_stiffness': 0.9,
|
|
'volume_stiffness': 0.8,
|
|
'friction': 0.8,
|
|
'restitution': 0.4,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.005,
|
|
'lift_coefficient': 0.002,
|
|
'bend_stiffness': 0.9,
|
|
'damping': 0.02,
|
|
'plastic_threshold': 0.3,
|
|
'plastic_stiffness': 0.8,
|
|
'tear_threshold': 200.0,
|
|
'tear_resistance': 100.0,
|
|
'anisotropic_friction': [0.8, 0.8, 0.8],
|
|
'dynamic_friction': 0.8,
|
|
'static_friction': 0.9,
|
|
'rolling_friction': 0.2,
|
|
'spinning_friction': 0.1,
|
|
'viscosity': 0.02,
|
|
'compressibility': 0.2,
|
|
'shear_modulus': 0.9,
|
|
'bulk_modulus': 1.5,
|
|
'youngs_modulus': 1.2,
|
|
'poisson_ratio': 0.45
|
|
},
|
|
{
|
|
'color': Vec4(0.3, 0.3, 0.3, 1.0),
|
|
'roughness': 0.9,
|
|
'metallic': 0.0,
|
|
'specular': 0.1,
|
|
'texture_scale': 0.3,
|
|
'normal_strength': 0.3
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.15,
|
|
'humidity_sensitivity': 0.05,
|
|
'aging_factor': 0.3,
|
|
'stretch_recovery': 0.95,
|
|
'compression_recovery': 0.95,
|
|
'fatigue_resistance': 0.8,
|
|
'abrasion_resistance': 0.7,
|
|
'chemical_resistance': 0.9,
|
|
'uv_resistance': 0.6,
|
|
'flame_resistance': 0.9,
|
|
'water_absorption': 0.1,
|
|
'air_permeability': 0.0,
|
|
'thermal_conductivity': 0.2,
|
|
'biodegradability': 0.2,
|
|
'recyclability': 0.5
|
|
}
|
|
)
|
|
|
|
# 牛仔布 - 坚韧、耐磨
|
|
denim = ClothMaterial(
|
|
"Denim",
|
|
ClothMaterial.TYPE_DENIM,
|
|
{
|
|
'density': 0.7,
|
|
'linear_stiffness': 0.8,
|
|
'angular_stiffness': 0.7,
|
|
'volume_stiffness': 0.5,
|
|
'friction': 0.65,
|
|
'restitution': 0.15,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.015,
|
|
'lift_coefficient': 0.008,
|
|
'bend_stiffness': 0.6,
|
|
'damping': 0.012,
|
|
'plastic_threshold': 0.15,
|
|
'plastic_stiffness': 0.6,
|
|
'tear_threshold': 120.0,
|
|
'tear_resistance': 60.0,
|
|
'anisotropic_friction': [0.65, 0.65, 0.65],
|
|
'dynamic_friction': 0.65,
|
|
'static_friction': 0.75,
|
|
'rolling_friction': 0.12,
|
|
'spinning_friction': 0.06,
|
|
'viscosity': 0.012,
|
|
'compressibility': 0.12,
|
|
'shear_modulus': 0.65,
|
|
'bulk_modulus': 1.0,
|
|
'youngs_modulus': 0.75,
|
|
'poisson_ratio': 0.38
|
|
},
|
|
{
|
|
'color': Vec4(0.4, 0.5, 0.7, 1.0),
|
|
'roughness': 0.7,
|
|
'metallic': 0.0,
|
|
'specular': 0.15,
|
|
'texture_scale': 1.5,
|
|
'normal_strength': 1.0
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.08,
|
|
'humidity_sensitivity': 0.15,
|
|
'aging_factor': 0.1,
|
|
'stretch_recovery': 0.75,
|
|
'compression_recovery': 0.75,
|
|
'fatigue_resistance': 0.8,
|
|
'abrasion_resistance': 0.8,
|
|
'chemical_resistance': 0.6,
|
|
'uv_resistance': 0.5,
|
|
'flame_resistance': 0.7,
|
|
'water_absorption': 0.4,
|
|
'air_permeability': 0.6,
|
|
'thermal_conductivity': 0.12,
|
|
'biodegradability': 0.6,
|
|
'recyclability': 0.7
|
|
}
|
|
)
|
|
|
|
# 亚麻 - 天然、透气
|
|
linen = ClothMaterial(
|
|
"Linen",
|
|
ClothMaterial.TYPE_LINEN,
|
|
{
|
|
'density': 0.5,
|
|
'linear_stiffness': 0.6,
|
|
'angular_stiffness': 0.5,
|
|
'volume_stiffness': 0.3,
|
|
'friction': 0.55,
|
|
'restitution': 0.12,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.025,
|
|
'lift_coefficient': 0.012,
|
|
'bend_stiffness': 0.4,
|
|
'damping': 0.008,
|
|
'plastic_threshold': 0.12,
|
|
'plastic_stiffness': 0.4,
|
|
'tear_threshold': 90.0,
|
|
'tear_resistance': 40.0,
|
|
'anisotropic_friction': [0.55, 0.55, 0.55],
|
|
'dynamic_friction': 0.55,
|
|
'static_friction': 0.65,
|
|
'rolling_friction': 0.08,
|
|
'spinning_friction': 0.04,
|
|
'viscosity': 0.008,
|
|
'compressibility': 0.08,
|
|
'shear_modulus': 0.5,
|
|
'bulk_modulus': 0.8,
|
|
'youngs_modulus': 0.6,
|
|
'poisson_ratio': 0.35
|
|
},
|
|
{
|
|
'color': Vec4(0.9, 0.85, 0.75, 1.0),
|
|
'roughness': 0.85,
|
|
'metallic': 0.0,
|
|
'specular': 0.12,
|
|
'texture_scale': 1.2,
|
|
'normal_strength': 0.9
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.12,
|
|
'humidity_sensitivity': 0.25,
|
|
'aging_factor': 0.15,
|
|
'stretch_recovery': 0.7,
|
|
'compression_recovery': 0.7,
|
|
'fatigue_resistance': 0.6,
|
|
'abrasion_resistance': 0.5,
|
|
'chemical_resistance': 0.4,
|
|
'uv_resistance': 0.3,
|
|
'flame_resistance': 0.8,
|
|
'water_absorption': 0.7,
|
|
'air_permeability': 0.95,
|
|
'thermal_conductivity': 0.08,
|
|
'biodegradability': 0.95,
|
|
'recyclability': 0.85
|
|
}
|
|
)
|
|
|
|
# 羊毛 - 保暖、柔软
|
|
wool = ClothMaterial(
|
|
"Wool",
|
|
ClothMaterial.TYPE_WOOL,
|
|
{
|
|
'density': 0.65,
|
|
'linear_stiffness': 0.65,
|
|
'angular_stiffness': 0.55,
|
|
'volume_stiffness': 0.35,
|
|
'friction': 0.6,
|
|
'restitution': 0.13,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.018,
|
|
'lift_coefficient': 0.009,
|
|
'bend_stiffness': 0.45,
|
|
'damping': 0.01,
|
|
'plastic_threshold': 0.13,
|
|
'plastic_stiffness': 0.45,
|
|
'tear_threshold': 100.0,
|
|
'tear_resistance': 50.0,
|
|
'anisotropic_friction': [0.6, 0.6, 0.6],
|
|
'dynamic_friction': 0.6,
|
|
'static_friction': 0.7,
|
|
'rolling_friction': 0.1,
|
|
'spinning_friction': 0.05,
|
|
'viscosity': 0.01,
|
|
'compressibility': 0.18,
|
|
'shear_modulus': 0.55,
|
|
'bulk_modulus': 0.9,
|
|
'youngs_modulus': 0.65,
|
|
'poisson_ratio': 0.37
|
|
},
|
|
{
|
|
'color': Vec4(0.85, 0.8, 0.7, 1.0),
|
|
'roughness': 0.75,
|
|
'metallic': 0.0,
|
|
'specular': 0.13,
|
|
'texture_scale': 1.8,
|
|
'normal_strength': 1.1,
|
|
'subsurface': 0.3,
|
|
'subsurface_color': Vec4(0.9, 0.8, 0.7, 1.0)
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.05,
|
|
'humidity_sensitivity': 0.4,
|
|
'aging_factor': 0.12,
|
|
'stretch_recovery': 0.8,
|
|
'compression_recovery': 0.8,
|
|
'fatigue_resistance': 0.7,
|
|
'abrasion_resistance': 0.6,
|
|
'chemical_resistance': 0.5,
|
|
'uv_resistance': 0.4,
|
|
'flame_resistance': 0.9,
|
|
'water_absorption': 0.6,
|
|
'air_permeability': 0.7,
|
|
'thermal_conductivity': 0.05,
|
|
'biodegradability': 0.85,
|
|
'recyclability': 0.75
|
|
}
|
|
)
|
|
|
|
# 合成纤维 - 多功能性
|
|
synthetic = ClothMaterial(
|
|
"Synthetic",
|
|
ClothMaterial.TYPE_SYNTHETIC,
|
|
{
|
|
'density': 0.4,
|
|
'linear_stiffness': 0.75,
|
|
'angular_stiffness': 0.65,
|
|
'volume_stiffness': 0.45,
|
|
'friction': 0.5,
|
|
'restitution': 0.2,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.012,
|
|
'lift_coefficient': 0.007,
|
|
'bend_stiffness': 0.55,
|
|
'damping': 0.006,
|
|
'plastic_threshold': 0.18,
|
|
'plastic_stiffness': 0.55,
|
|
'tear_threshold': 110.0,
|
|
'tear_resistance': 55.0,
|
|
'anisotropic_friction': [0.5, 0.5, 0.5],
|
|
'dynamic_friction': 0.5,
|
|
'static_friction': 0.6,
|
|
'rolling_friction': 0.07,
|
|
'spinning_friction': 0.03,
|
|
'viscosity': 0.006,
|
|
'compressibility': 0.1,
|
|
'shear_modulus': 0.55,
|
|
'bulk_modulus': 0.95,
|
|
'youngs_modulus': 0.7,
|
|
'poisson_ratio': 0.39
|
|
},
|
|
{
|
|
'color': Vec4(0.7, 0.7, 0.7, 1.0),
|
|
'roughness': 0.5,
|
|
'metallic': 0.05,
|
|
'specular': 0.25,
|
|
'texture_scale': 1.0,
|
|
'normal_strength': 0.7
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.08,
|
|
'humidity_sensitivity': 0.1,
|
|
'aging_factor': 0.08,
|
|
'stretch_recovery': 0.85,
|
|
'compression_recovery': 0.85,
|
|
'fatigue_resistance': 0.85,
|
|
'abrasion_resistance': 0.75,
|
|
'chemical_resistance': 0.85,
|
|
'uv_resistance': 0.75,
|
|
'flame_resistance': 0.6,
|
|
'water_absorption': 0.2,
|
|
'air_permeability': 0.6,
|
|
'thermal_conductivity': 0.15,
|
|
'biodegradability': 0.3,
|
|
'recyclability': 0.9
|
|
}
|
|
)
|
|
|
|
# 网眼布 - 透气、轻质
|
|
mesh = ClothMaterial(
|
|
"Mesh",
|
|
ClothMaterial.TYPE_MESH,
|
|
{
|
|
'density': 0.2,
|
|
'linear_stiffness': 0.4,
|
|
'angular_stiffness': 0.3,
|
|
'volume_stiffness': 0.1,
|
|
'friction': 0.3,
|
|
'restitution': 0.05,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.04,
|
|
'lift_coefficient': 0.02,
|
|
'bend_stiffness': 0.2,
|
|
'damping': 0.003,
|
|
'plastic_threshold': 0.08,
|
|
'plastic_stiffness': 0.2,
|
|
'tear_threshold': 70.0,
|
|
'tear_resistance': 25.0,
|
|
'anisotropic_friction': [0.3, 0.3, 0.3],
|
|
'dynamic_friction': 0.3,
|
|
'static_friction': 0.4,
|
|
'rolling_friction': 0.03,
|
|
'spinning_friction': 0.01,
|
|
'viscosity': 0.003,
|
|
'compressibility': 0.05,
|
|
'shear_modulus': 0.2,
|
|
'bulk_modulus': 0.5,
|
|
'youngs_modulus': 0.3,
|
|
'poisson_ratio': 0.3
|
|
},
|
|
{
|
|
'color': Vec4(0.6, 0.6, 0.6, 0.7),
|
|
'roughness': 0.6,
|
|
'metallic': 0.1,
|
|
'specular': 0.2,
|
|
'texture_scale': 3.0,
|
|
'normal_strength': 0.4,
|
|
'opacity': 0.7
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.03,
|
|
'humidity_sensitivity': 0.05,
|
|
'aging_factor': 0.03,
|
|
'stretch_recovery': 0.9,
|
|
'compression_recovery': 0.9,
|
|
'fatigue_resistance': 0.5,
|
|
'abrasion_resistance': 0.3,
|
|
'chemical_resistance': 0.7,
|
|
'uv_resistance': 0.6,
|
|
'flame_resistance': 0.8,
|
|
'water_absorption': 0.1,
|
|
'air_permeability': 1.0,
|
|
'thermal_conductivity': 0.2,
|
|
'biodegradability': 0.4,
|
|
'recyclability': 0.95
|
|
}
|
|
)
|
|
|
|
# 帆布 - 坚固、耐用
|
|
canvas = ClothMaterial(
|
|
"Canvas",
|
|
ClothMaterial.TYPE_CANVAS,
|
|
{
|
|
'density': 0.75,
|
|
'linear_stiffness': 0.85,
|
|
'angular_stiffness': 0.75,
|
|
'volume_stiffness': 0.55,
|
|
'friction': 0.68,
|
|
'restitution': 0.14,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.013,
|
|
'lift_coefficient': 0.006,
|
|
'bend_stiffness': 0.65,
|
|
'damping': 0.014,
|
|
'plastic_threshold': 0.18,
|
|
'plastic_stiffness': 0.65,
|
|
'tear_threshold': 130.0,
|
|
'tear_resistance': 65.0,
|
|
'anisotropic_friction': [0.68, 0.68, 0.68],
|
|
'dynamic_friction': 0.68,
|
|
'static_friction': 0.78,
|
|
'rolling_friction': 0.14,
|
|
'spinning_friction': 0.07,
|
|
'viscosity': 0.014,
|
|
'compressibility': 0.14,
|
|
'shear_modulus': 0.65,
|
|
'bulk_modulus': 1.05,
|
|
'youngs_modulus': 0.8,
|
|
'poisson_ratio': 0.4
|
|
},
|
|
{
|
|
'color': Vec4(0.8, 0.75, 0.65, 1.0),
|
|
'roughness': 0.78,
|
|
'metallic': 0.0,
|
|
'specular': 0.14,
|
|
'texture_scale': 2.5,
|
|
'normal_strength': 1.3
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.06,
|
|
'humidity_sensitivity': 0.2,
|
|
'aging_factor': 0.08,
|
|
'stretch_recovery': 0.78,
|
|
'compression_recovery': 0.78,
|
|
'fatigue_resistance': 0.85,
|
|
'abrasion_resistance': 0.85,
|
|
'chemical_resistance': 0.7,
|
|
'uv_resistance': 0.6,
|
|
'flame_resistance': 0.75,
|
|
'water_absorption': 0.35,
|
|
'air_permeability': 0.5,
|
|
'thermal_conductivity': 0.13,
|
|
'biodegradability': 0.5,
|
|
'recyclability': 0.7
|
|
}
|
|
)
|
|
|
|
# 尼龙 - 强韧、轻质
|
|
nylon = ClothMaterial(
|
|
"Nylon",
|
|
ClothMaterial.TYPE_NYLON,
|
|
{
|
|
'density': 0.35,
|
|
'linear_stiffness': 0.8,
|
|
'angular_stiffness': 0.7,
|
|
'volume_stiffness': 0.5,
|
|
'friction': 0.4,
|
|
'restitution': 0.25,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.01,
|
|
'lift_coefficient': 0.005,
|
|
'bend_stiffness': 0.6,
|
|
'damping': 0.007,
|
|
'plastic_threshold': 0.15,
|
|
'plastic_stiffness': 0.6,
|
|
'tear_threshold': 140.0,
|
|
'tear_resistance': 70.0,
|
|
'anisotropic_friction': [0.4, 0.4, 0.4],
|
|
'dynamic_friction': 0.4,
|
|
'static_friction': 0.5,
|
|
'rolling_friction': 0.08,
|
|
'spinning_friction': 0.04,
|
|
'viscosity': 0.007,
|
|
'compressibility': 0.08,
|
|
'shear_modulus': 0.6,
|
|
'bulk_modulus': 1.0,
|
|
'youngs_modulus': 0.85,
|
|
'poisson_ratio': 0.4
|
|
},
|
|
{
|
|
'color': Vec4(0.95, 0.95, 0.95, 1.0),
|
|
'roughness': 0.4,
|
|
'metallic': 0.0,
|
|
'specular': 0.3,
|
|
'texture_scale': 1.0,
|
|
'normal_strength': 0.6
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.1,
|
|
'humidity_sensitivity': 0.15,
|
|
'aging_factor': 0.1,
|
|
'stretch_recovery': 0.92,
|
|
'compression_recovery': 0.92,
|
|
'fatigue_resistance': 0.88,
|
|
'abrasion_resistance': 0.8,
|
|
'chemical_resistance': 0.8,
|
|
'uv_resistance': 0.5,
|
|
'flame_resistance': 0.65,
|
|
'water_absorption': 0.25,
|
|
'air_permeability': 0.65,
|
|
'thermal_conductivity': 0.18,
|
|
'biodegradability': 0.25,
|
|
'recyclability': 0.85
|
|
}
|
|
)
|
|
|
|
# 聚酯纤维 - 耐用、抗皱
|
|
polyester = ClothMaterial(
|
|
"Polyester",
|
|
ClothMaterial.TYPE_POLYESTER,
|
|
{
|
|
'density': 0.45,
|
|
'linear_stiffness': 0.7,
|
|
'angular_stiffness': 0.6,
|
|
'volume_stiffness': 0.4,
|
|
'friction': 0.45,
|
|
'restitution': 0.18,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.015,
|
|
'lift_coefficient': 0.008,
|
|
'bend_stiffness': 0.5,
|
|
'damping': 0.009,
|
|
'plastic_threshold': 0.12,
|
|
'plastic_stiffness': 0.5,
|
|
'tear_threshold': 110.0,
|
|
'tear_resistance': 55.0,
|
|
'anisotropic_friction': [0.45, 0.45, 0.45],
|
|
'dynamic_friction': 0.45,
|
|
'static_friction': 0.55,
|
|
'rolling_friction': 0.09,
|
|
'spinning_friction': 0.045,
|
|
'viscosity': 0.009,
|
|
'compressibility': 0.1,
|
|
'shear_modulus': 0.55,
|
|
'bulk_modulus': 0.95,
|
|
'youngs_modulus': 0.75,
|
|
'poisson_ratio': 0.38
|
|
},
|
|
{
|
|
'color': Vec4(0.8, 0.8, 0.8, 1.0),
|
|
'roughness': 0.55,
|
|
'metallic': 0.0,
|
|
'specular': 0.2,
|
|
'texture_scale': 1.0,
|
|
'normal_strength': 0.7
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.07,
|
|
'humidity_sensitivity': 0.08,
|
|
'aging_factor': 0.06,
|
|
'stretch_recovery': 0.88,
|
|
'compression_recovery': 0.88,
|
|
'fatigue_resistance': 0.82,
|
|
'abrasion_resistance': 0.75,
|
|
'chemical_resistance': 0.85,
|
|
'uv_resistance': 0.65,
|
|
'flame_resistance': 0.7,
|
|
'water_absorption': 0.15,
|
|
'air_permeability': 0.55,
|
|
'thermal_conductivity': 0.14,
|
|
'biodegradability': 0.15,
|
|
'recyclability': 0.9
|
|
}
|
|
)
|
|
|
|
# 缎子 - 光滑、有光泽
|
|
satin = ClothMaterial(
|
|
"Satin",
|
|
ClothMaterial.TYPE_SATIN,
|
|
{
|
|
'density': 0.25,
|
|
'linear_stiffness': 0.45,
|
|
'angular_stiffness': 0.35,
|
|
'volume_stiffness': 0.25,
|
|
'friction': 0.15,
|
|
'restitution': 0.28,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.03,
|
|
'lift_coefficient': 0.015,
|
|
'bend_stiffness': 0.3,
|
|
'damping': 0.004,
|
|
'plastic_threshold': 0.08,
|
|
'plastic_stiffness': 0.3,
|
|
'tear_threshold': 75.0,
|
|
'tear_resistance': 35.0,
|
|
'anisotropic_friction': [0.15, 0.15, 0.15],
|
|
'dynamic_friction': 0.15,
|
|
'static_friction': 0.25,
|
|
'rolling_friction': 0.04,
|
|
'spinning_friction': 0.02,
|
|
'viscosity': 0.004,
|
|
'compressibility': 0.06,
|
|
'shear_modulus': 0.35,
|
|
'bulk_modulus': 0.7,
|
|
'youngs_modulus': 0.5,
|
|
'poisson_ratio': 0.33
|
|
},
|
|
{
|
|
'color': Vec4(0.98, 0.98, 0.98, 1.0),
|
|
'roughness': 0.1,
|
|
'metallic': 0.2,
|
|
'specular': 0.6,
|
|
'texture_scale': 0.8,
|
|
'normal_strength': 0.3,
|
|
'sheen': 0.9,
|
|
'sheen_roughness': 0.1
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.04,
|
|
'humidity_sensitivity': 0.12,
|
|
'aging_factor': 0.08,
|
|
'stretch_recovery': 0.85,
|
|
'compression_recovery': 0.85,
|
|
'fatigue_resistance': 0.65,
|
|
'abrasion_resistance': 0.45,
|
|
'chemical_resistance': 0.6,
|
|
'uv_resistance': 0.3,
|
|
'flame_resistance': 0.75,
|
|
'water_absorption': 0.3,
|
|
'air_permeability': 0.4,
|
|
'thermal_conductivity': 0.07,
|
|
'biodegradability': 0.5,
|
|
'recyclability': 0.75
|
|
}
|
|
)
|
|
|
|
# 毛圈织物 - 吸水、柔软
|
|
terry = ClothMaterial(
|
|
"Terry",
|
|
ClothMaterial.TYPE_TERRY,
|
|
{
|
|
'density': 0.55,
|
|
'linear_stiffness': 0.55,
|
|
'angular_stiffness': 0.45,
|
|
'volume_stiffness': 0.3,
|
|
'friction': 0.5,
|
|
'restitution': 0.1,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.02,
|
|
'lift_coefficient': 0.01,
|
|
'bend_stiffness': 0.35,
|
|
'damping': 0.012,
|
|
'plastic_threshold': 0.1,
|
|
'plastic_stiffness': 0.35,
|
|
'tear_threshold': 95.0,
|
|
'tear_resistance': 45.0,
|
|
'anisotropic_friction': [0.5, 0.5, 0.5],
|
|
'dynamic_friction': 0.5,
|
|
'static_friction': 0.6,
|
|
'rolling_friction': 0.1,
|
|
'spinning_friction': 0.05,
|
|
'viscosity': 0.012,
|
|
'compressibility': 0.15,
|
|
'shear_modulus': 0.45,
|
|
'bulk_modulus': 0.85,
|
|
'youngs_modulus': 0.6,
|
|
'poisson_ratio': 0.36
|
|
},
|
|
{
|
|
'color': Vec4(0.92, 0.92, 0.92, 1.0),
|
|
'roughness': 0.8,
|
|
'metallic': 0.0,
|
|
'specular': 0.15,
|
|
'texture_scale': 2.0,
|
|
'normal_strength': 1.5,
|
|
'subsurface': 0.2,
|
|
'subsurface_color': Vec4(0.95, 0.95, 0.95, 1.0)
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.09,
|
|
'humidity_sensitivity': 0.35,
|
|
'aging_factor': 0.13,
|
|
'stretch_recovery': 0.75,
|
|
'compression_recovery': 0.75,
|
|
'fatigue_resistance': 0.65,
|
|
'abrasion_resistance': 0.55,
|
|
'chemical_resistance': 0.5,
|
|
'uv_resistance': 0.45,
|
|
'flame_resistance': 0.8,
|
|
'water_absorption': 0.9,
|
|
'air_permeability': 0.75,
|
|
'thermal_conductivity': 0.1,
|
|
'biodegradability': 0.7,
|
|
'recyclability': 0.8
|
|
}
|
|
)
|
|
|
|
# 抓绒 - 保暖、柔软
|
|
fleece = ClothMaterial(
|
|
"Fleece",
|
|
ClothMaterial.TYPE_FLEECE,
|
|
{
|
|
'density': 0.3,
|
|
'linear_stiffness': 0.4,
|
|
'angular_stiffness': 0.3,
|
|
'volume_stiffness': 0.2,
|
|
'friction': 0.4,
|
|
'restitution': 0.08,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.025,
|
|
'lift_coefficient': 0.012,
|
|
'bend_stiffness': 0.25,
|
|
'damping': 0.008,
|
|
'plastic_threshold': 0.07,
|
|
'plastic_stiffness': 0.25,
|
|
'tear_threshold': 80.0,
|
|
'tear_resistance': 35.0,
|
|
'anisotropic_friction': [0.4, 0.4, 0.4],
|
|
'dynamic_friction': 0.4,
|
|
'static_friction': 0.5,
|
|
'rolling_friction': 0.08,
|
|
'spinning_friction': 0.04,
|
|
'viscosity': 0.008,
|
|
'compressibility': 0.2,
|
|
'shear_modulus': 0.3,
|
|
'bulk_modulus': 0.6,
|
|
'youngs_modulus': 0.4,
|
|
'poisson_ratio': 0.32
|
|
},
|
|
{
|
|
'color': Vec4(0.88, 0.88, 0.88, 1.0),
|
|
'roughness': 0.85,
|
|
'metallic': 0.0,
|
|
'specular': 0.1,
|
|
'texture_scale': 1.5,
|
|
'normal_strength': 1.8,
|
|
'subsurface': 0.4,
|
|
'subsurface_color': Vec4(0.9, 0.9, 0.9, 1.0)
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.06,
|
|
'humidity_sensitivity': 0.25,
|
|
'aging_factor': 0.1,
|
|
'stretch_recovery': 0.8,
|
|
'compression_recovery': 0.8,
|
|
'fatigue_resistance': 0.6,
|
|
'abrasion_resistance': 0.5,
|
|
'chemical_resistance': 0.6,
|
|
'uv_resistance': 0.5,
|
|
'flame_resistance': 0.85,
|
|
'water_absorption': 0.5,
|
|
'air_permeability': 0.65,
|
|
'thermal_conductivity': 0.04,
|
|
'biodegradability': 0.6,
|
|
'recyclability': 0.85
|
|
}
|
|
)
|
|
|
|
# 氯丁橡胶 - 防水、保温
|
|
neoprene = ClothMaterial(
|
|
"Neoprene",
|
|
ClothMaterial.TYPE_NEOPRENE,
|
|
{
|
|
'density': 0.9,
|
|
'linear_stiffness': 0.85,
|
|
'angular_stiffness': 0.75,
|
|
'volume_stiffness': 0.65,
|
|
'friction': 0.6,
|
|
'restitution': 0.22,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.008,
|
|
'lift_coefficient': 0.003,
|
|
'bend_stiffness': 0.7,
|
|
'damping': 0.018,
|
|
'plastic_threshold': 0.25,
|
|
'plastic_stiffness': 0.7,
|
|
'tear_threshold': 160.0,
|
|
'tear_resistance': 85.0,
|
|
'anisotropic_friction': [0.6, 0.6, 0.6],
|
|
'dynamic_friction': 0.6,
|
|
'static_friction': 0.7,
|
|
'rolling_friction': 0.16,
|
|
'spinning_friction': 0.09,
|
|
'viscosity': 0.018,
|
|
'compressibility': 0.18,
|
|
'shear_modulus': 0.75,
|
|
'bulk_modulus': 1.2,
|
|
'youngs_modulus': 0.9,
|
|
'poisson_ratio': 0.43
|
|
},
|
|
{
|
|
'color': Vec4(0.2, 0.2, 0.2, 1.0),
|
|
'roughness': 0.7,
|
|
'metallic': 0.0,
|
|
'specular': 0.25,
|
|
'texture_scale': 0.5,
|
|
'normal_strength': 0.8
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.12,
|
|
'humidity_sensitivity': 0.03,
|
|
'aging_factor': 0.15,
|
|
'stretch_recovery': 0.9,
|
|
'compression_recovery': 0.9,
|
|
'fatigue_resistance': 0.85,
|
|
'abrasion_resistance': 0.75,
|
|
'chemical_resistance': 0.95,
|
|
'uv_resistance': 0.7,
|
|
'flame_resistance': 0.8,
|
|
'water_absorption': 0.05,
|
|
'air_permeability': 0.0,
|
|
'thermal_conductivity': 0.12,
|
|
'biodegradability': 0.1,
|
|
'recyclability': 0.6
|
|
}
|
|
)
|
|
|
|
# 氨纶 - 高弹性
|
|
spandex = ClothMaterial(
|
|
"Spandex",
|
|
ClothMaterial.TYPE_SPANDEX,
|
|
{
|
|
'density': 0.2,
|
|
'linear_stiffness': 0.3,
|
|
'angular_stiffness': 0.25,
|
|
'volume_stiffness': 0.15,
|
|
'friction': 0.35,
|
|
'restitution': 0.35,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.018,
|
|
'lift_coefficient': 0.009,
|
|
'bend_stiffness': 0.2,
|
|
'damping': 0.005,
|
|
'plastic_threshold': 0.05,
|
|
'plastic_stiffness': 0.2,
|
|
'tear_threshold': 60.0,
|
|
'tear_resistance': 20.0,
|
|
'anisotropic_friction': [0.35, 0.35, 0.35],
|
|
'dynamic_friction': 0.35,
|
|
'static_friction': 0.45,
|
|
'rolling_friction': 0.06,
|
|
'spinning_friction': 0.03,
|
|
'viscosity': 0.005,
|
|
'compressibility': 0.07,
|
|
'shear_modulus': 0.25,
|
|
'bulk_modulus': 0.55,
|
|
'youngs_modulus': 0.35,
|
|
'poisson_ratio': 0.31
|
|
},
|
|
{
|
|
'color': Vec4(0.95, 0.95, 0.95, 1.0),
|
|
'roughness': 0.45,
|
|
'metallic': 0.0,
|
|
'specular': 0.35,
|
|
'texture_scale': 0.8,
|
|
'normal_strength': 0.4
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.08,
|
|
'humidity_sensitivity': 0.07,
|
|
'aging_factor': 0.05,
|
|
'stretch_recovery': 0.98,
|
|
'compression_recovery': 0.98,
|
|
'fatigue_resistance': 0.75,
|
|
'abrasion_resistance': 0.4,
|
|
'chemical_resistance': 0.7,
|
|
'uv_resistance': 0.4,
|
|
'flame_resistance': 0.6,
|
|
'water_absorption': 0.1,
|
|
'air_permeability': 0.5,
|
|
'thermal_conductivity': 0.16,
|
|
'biodegradability': 0.2,
|
|
'recyclability': 0.7
|
|
}
|
|
)
|
|
|
|
# 粗花呢 - 厚重、有纹理
|
|
tweed = ClothMaterial(
|
|
"Tweed",
|
|
ClothMaterial.TYPE_TWEED,
|
|
{
|
|
'density': 0.7,
|
|
'linear_stiffness': 0.75,
|
|
'angular_stiffness': 0.65,
|
|
'volume_stiffness': 0.45,
|
|
'friction': 0.62,
|
|
'restitution': 0.12,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.014,
|
|
'lift_coefficient': 0.007,
|
|
'bend_stiffness': 0.55,
|
|
'damping': 0.013,
|
|
'plastic_threshold': 0.14,
|
|
'plastic_stiffness': 0.55,
|
|
'tear_threshold': 115.0,
|
|
'tear_resistance': 58.0,
|
|
'anisotropic_friction': [0.62, 0.62, 0.62],
|
|
'dynamic_friction': 0.62,
|
|
'static_friction': 0.72,
|
|
'rolling_friction': 0.13,
|
|
'spinning_friction': 0.065,
|
|
'viscosity': 0.013,
|
|
'compressibility': 0.13,
|
|
'shear_modulus': 0.58,
|
|
'bulk_modulus': 0.98,
|
|
'youngs_modulus': 0.72,
|
|
'poisson_ratio': 0.39
|
|
},
|
|
{
|
|
'color': Vec4(0.75, 0.7, 0.6, 1.0),
|
|
'roughness': 0.72,
|
|
'metallic': 0.0,
|
|
'specular': 0.16,
|
|
'texture_scale': 3.0,
|
|
'normal_strength': 1.4
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.07,
|
|
'humidity_sensitivity': 0.18,
|
|
'aging_factor': 0.09,
|
|
'stretch_recovery': 0.72,
|
|
'compression_recovery': 0.72,
|
|
'fatigue_resistance': 0.78,
|
|
'abrasion_resistance': 0.72,
|
|
'chemical_resistance': 0.65,
|
|
'uv_resistance': 0.55,
|
|
'flame_resistance': 0.72,
|
|
'water_absorption': 0.32,
|
|
'air_permeability': 0.58,
|
|
'thermal_conductivity': 0.11,
|
|
'biodegradability': 0.55,
|
|
'recyclability': 0.72
|
|
}
|
|
)
|
|
|
|
# 薄纱 - 轻盈、透明
|
|
tulle = ClothMaterial(
|
|
"Tulle",
|
|
ClothMaterial.TYPE_TULLE,
|
|
{
|
|
'density': 0.1,
|
|
'linear_stiffness': 0.25,
|
|
'angular_stiffness': 0.2,
|
|
'volume_stiffness': 0.1,
|
|
'friction': 0.2,
|
|
'restitution': 0.15,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.035,
|
|
'lift_coefficient': 0.018,
|
|
'bend_stiffness': 0.15,
|
|
'damping': 0.003,
|
|
'plastic_threshold': 0.04,
|
|
'plastic_stiffness': 0.15,
|
|
'tear_threshold': 40.0,
|
|
'tear_resistance': 15.0,
|
|
'anisotropic_friction': [0.2, 0.2, 0.2],
|
|
'dynamic_friction': 0.2,
|
|
'static_friction': 0.3,
|
|
'rolling_friction': 0.03,
|
|
'spinning_friction': 0.015,
|
|
'viscosity': 0.003,
|
|
'compressibility': 0.03,
|
|
'shear_modulus': 0.15,
|
|
'bulk_modulus': 0.3,
|
|
'youngs_modulus': 0.2,
|
|
'poisson_ratio': 0.3
|
|
},
|
|
{
|
|
'color': Vec4(1.0, 1.0, 1.0, 0.3),
|
|
'roughness': 0.5,
|
|
'metallic': 0.0,
|
|
'specular': 0.4,
|
|
'texture_scale': 4.0,
|
|
'normal_strength': 0.2,
|
|
'opacity': 0.3
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.02,
|
|
'humidity_sensitivity': 0.04,
|
|
'aging_factor': 0.02,
|
|
'stretch_recovery': 0.95,
|
|
'compression_recovery': 0.95,
|
|
'fatigue_resistance': 0.4,
|
|
'abrasion_resistance': 0.2,
|
|
'chemical_resistance': 0.5,
|
|
'uv_resistance': 0.4,
|
|
'flame_resistance': 0.9,
|
|
'water_absorption': 0.05,
|
|
'air_permeability': 1.0,
|
|
'thermal_conductivity': 0.25,
|
|
'biodegradability': 0.6,
|
|
'recyclability': 0.98
|
|
}
|
|
)
|
|
|
|
# 天鹅绒 - 柔软、有光泽
|
|
velvet = ClothMaterial(
|
|
"Velvet",
|
|
ClothMaterial.TYPE_VELVET,
|
|
{
|
|
'density': 0.6,
|
|
'linear_stiffness': 0.5,
|
|
'angular_stiffness': 0.4,
|
|
'volume_stiffness': 0.3,
|
|
'friction': 0.45,
|
|
'restitution': 0.1,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.022,
|
|
'lift_coefficient': 0.011,
|
|
'bend_stiffness': 0.35,
|
|
'damping': 0.011,
|
|
'plastic_threshold': 0.09,
|
|
'plastic_stiffness': 0.35,
|
|
'tear_threshold': 85.0,
|
|
'tear_resistance': 40.0,
|
|
'anisotropic_friction': [0.45, 0.45, 0.45],
|
|
'dynamic_friction': 0.45,
|
|
'static_friction': 0.55,
|
|
'rolling_friction': 0.09,
|
|
'spinning_friction': 0.045,
|
|
'viscosity': 0.011,
|
|
'compressibility': 0.11,
|
|
'shear_modulus': 0.4,
|
|
'bulk_modulus': 0.75,
|
|
'youngs_modulus': 0.55,
|
|
'poisson_ratio': 0.35
|
|
},
|
|
{
|
|
'color': Vec4(0.85, 0.8, 0.75, 1.0),
|
|
'roughness': 0.2,
|
|
'metallic': 0.3,
|
|
'specular': 0.5,
|
|
'texture_scale': 1.2,
|
|
'normal_strength': 2.0,
|
|
'sheen': 0.7,
|
|
'sheen_roughness': 0.15
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.06,
|
|
'humidity_sensitivity': 0.22,
|
|
'aging_factor': 0.11,
|
|
'stretch_recovery': 0.82,
|
|
'compression_recovery': 0.82,
|
|
'fatigue_resistance': 0.68,
|
|
'abrasion_resistance': 0.52,
|
|
'chemical_resistance': 0.58,
|
|
'uv_resistance': 0.48,
|
|
'flame_resistance': 0.78,
|
|
'water_absorption': 0.42,
|
|
'air_permeability': 0.62,
|
|
'thermal_conductivity': 0.09,
|
|
'biodegradability': 0.62,
|
|
'recyclability': 0.78
|
|
}
|
|
)
|
|
|
|
# 翻毛皮 - 柔软、有质感
|
|
suede = ClothMaterial(
|
|
"Suede",
|
|
ClothMaterial.TYPE_SUEDE,
|
|
{
|
|
'density': 0.75,
|
|
'linear_stiffness': 0.65,
|
|
'angular_stiffness': 0.55,
|
|
'volume_stiffness': 0.4,
|
|
'friction': 0.55,
|
|
'restitution': 0.08,
|
|
'pressure_coefficient': 0.0,
|
|
'drag_coefficient': 0.016,
|
|
'lift_coefficient': 0.008,
|
|
'bend_stiffness': 0.45,
|
|
'damping': 0.015,
|
|
'plastic_threshold': 0.11,
|
|
'plastic_stiffness': 0.45,
|
|
'tear_threshold': 105.0,
|
|
'tear_resistance': 52.0,
|
|
'anisotropic_friction': [0.55, 0.55, 0.55],
|
|
'dynamic_friction': 0.55,
|
|
'static_friction': 0.65,
|
|
'rolling_friction': 0.11,
|
|
'spinning_friction': 0.055,
|
|
'viscosity': 0.015,
|
|
'compressibility': 0.12,
|
|
'shear_modulus': 0.48,
|
|
'bulk_modulus': 0.9,
|
|
'youngs_modulus': 0.68,
|
|
'poisson_ratio': 0.37
|
|
},
|
|
{
|
|
'color': Vec4(0.7, 0.65, 0.6, 1.0),
|
|
'roughness': 0.85,
|
|
'metallic': 0.0,
|
|
'specular': 0.18,
|
|
'texture_scale': 2.2,
|
|
'normal_strength': 1.6
|
|
},
|
|
{
|
|
'temperature_sensitivity': 0.05,
|
|
'humidity_sensitivity': 0.16,
|
|
'aging_factor': 0.07,
|
|
'stretch_recovery': 0.76,
|
|
'compression_recovery': 0.76,
|
|
'fatigue_resistance': 0.72,
|
|
'abrasion_resistance': 0.62,
|
|
'chemical_resistance': 0.68,
|
|
'uv_resistance': 0.58,
|
|
'flame_resistance': 0.76,
|
|
'water_absorption': 0.38,
|
|
'air_permeability': 0.52,
|
|
'thermal_conductivity': 0.13,
|
|
'biodegradability': 0.48,
|
|
'recyclability': 0.68
|
|
}
|
|
)
|
|
|
|
# 添加到材质字典
|
|
self.materials = {
|
|
ClothMaterial.TYPE_COTTON: cotton,
|
|
ClothMaterial.TYPE_SILK: silk,
|
|
ClothMaterial.TYPE_LEATHER: leather,
|
|
ClothMaterial.TYPE_RUBBER: rubber,
|
|
ClothMaterial.TYPE_DENIM: denim,
|
|
ClothMaterial.TYPE_LINEN: linen,
|
|
ClothMaterial.TYPE_WOOL: wool,
|
|
ClothMaterial.TYPE_SYNTHETIC: synthetic,
|
|
ClothMaterial.TYPE_MESH: mesh,
|
|
ClothMaterial.TYPE_CANVAS: canvas,
|
|
ClothMaterial.TYPE_NYLON: nylon,
|
|
ClothMaterial.TYPE_POLYESTER: polyester,
|
|
ClothMaterial.TYPE_SATIN: satin,
|
|
ClothMaterial.TYPE_TERRY: terry,
|
|
ClothMaterial.TYPE_FLEECE: fleece,
|
|
ClothMaterial.TYPE_NEOPRENE: neoprene,
|
|
ClothMaterial.TYPE_SPANDEX: spandex,
|
|
ClothMaterial.TYPE_TWEED: tweed,
|
|
ClothMaterial.TYPE_TULLE: tulle,
|
|
ClothMaterial.TYPE_VELVET: velvet,
|
|
ClothMaterial.TYPE_SUEDE: suede
|
|
}
|
|
|
|
def get_material(self, material_type: str) -> Optional[ClothMaterial]:
|
|
"""
|
|
获取指定类型的布料材质
|
|
|
|
Args:
|
|
material_type: 材质类型
|
|
|
|
Returns:
|
|
布料材质对象或None
|
|
"""
|
|
return self.materials.get(material_type)
|
|
|
|
def get_all_material_types(self) -> List[str]:
|
|
"""
|
|
获取所有材质类型
|
|
|
|
Returns:
|
|
材质类型列表
|
|
"""
|
|
return list(self.materials.keys())
|
|
|
|
def get_material_names(self) -> List[str]:
|
|
"""
|
|
获取所有材质名称
|
|
|
|
Returns:
|
|
材质名称列表
|
|
"""
|
|
return [material.name for material in self.materials.values()]
|
|
|
|
def create_custom_material(self, name: str, material_type: str,
|
|
physical_params: Dict[str, float] = None,
|
|
visual_params: Dict[str, Any] = None,
|
|
advanced_params: Dict[str, Any] = None) -> ClothMaterial:
|
|
"""
|
|
创建自定义布料材质
|
|
|
|
Args:
|
|
name: 材质名称
|
|
material_type: 材质类型
|
|
physical_params: 物理参数
|
|
visual_params: 视觉参数
|
|
advanced_params: 高级参数
|
|
|
|
Returns:
|
|
布料材质对象
|
|
"""
|
|
material = ClothMaterial(name, material_type, physical_params, visual_params, advanced_params)
|
|
return material
|
|
|
|
def register_material(self, material: ClothMaterial) -> bool:
|
|
"""
|
|
注册布料材质
|
|
|
|
Args:
|
|
material: 布料材质对象
|
|
|
|
Returns:
|
|
是否注册成功
|
|
"""
|
|
if material.material_type:
|
|
self.materials[material.material_type] = material
|
|
return True
|
|
return False
|
|
|
|
def create_material_combination(self, name: str, materials: List[str],
|
|
ratios: List[float]) -> ClothMaterial:
|
|
"""
|
|
创建混合材质
|
|
|
|
Args:
|
|
name: 混合材质名称
|
|
materials: 材质类型列表
|
|
ratios: 比例列表
|
|
|
|
Returns:
|
|
混合布料材质对象
|
|
"""
|
|
if len(materials) != len(ratios):
|
|
raise ValueError("材质数量和比例数量必须相同")
|
|
|
|
# 归一化比例
|
|
total_ratio = sum(ratios)
|
|
if total_ratio == 0:
|
|
raise ValueError("比例总和不能为0")
|
|
normalized_ratios = [r / total_ratio for r in ratios]
|
|
|
|
# 获取所有材质
|
|
material_objects = []
|
|
for material_type in materials:
|
|
material_obj = self.get_material(material_type)
|
|
if material_obj is None:
|
|
raise ValueError(f"未知材质类型: {material_type}")
|
|
material_objects.append(material_obj)
|
|
|
|
# 混合物理参数
|
|
combined_physical = {}
|
|
combined_visual = {}
|
|
combined_advanced = {}
|
|
|
|
# 物理参数混合
|
|
for param_name in material_objects[0].physical_params.keys():
|
|
weighted_sum = 0.0
|
|
for i, material_obj in enumerate(material_objects):
|
|
weighted_sum += material_obj.physical_params[param_name] * normalized_ratios[i]
|
|
combined_physical[param_name] = weighted_sum
|
|
|
|
# 视觉参数混合
|
|
for param_name in material_objects[0].visual_params.keys():
|
|
if param_name == 'color':
|
|
# 颜色混合
|
|
mixed_color = Vec4(0, 0, 0, 0)
|
|
for i, material_obj in enumerate(material_objects):
|
|
color = material_obj.visual_params[param_name]
|
|
mixed_color += color * normalized_ratios[i]
|
|
combined_visual[param_name] = mixed_color
|
|
else:
|
|
# 其他视觉参数混合
|
|
weighted_sum = 0.0
|
|
for i, material_obj in enumerate(material_objects):
|
|
weighted_sum += material_obj.visual_params[param_name] * normalized_ratios[i]
|
|
combined_visual[param_name] = weighted_sum
|
|
|
|
# 高级参数混合
|
|
for param_name in material_objects[0].advanced_params.keys():
|
|
weighted_sum = 0.0
|
|
for i, material_obj in enumerate(material_objects):
|
|
weighted_sum += material_obj.advanced_params[param_name] * normalized_ratios[i]
|
|
combined_advanced[param_name] = weighted_sum
|
|
|
|
# 创建混合材质
|
|
combined_material = ClothMaterial(
|
|
name,
|
|
f"combined_{name}",
|
|
combined_physical,
|
|
combined_visual,
|
|
combined_advanced
|
|
)
|
|
|
|
# 保存组合信息
|
|
self.material_combinations[name] = {
|
|
'materials': materials,
|
|
'ratios': normalized_ratios,
|
|
'material_object': combined_material
|
|
}
|
|
|
|
return combined_material
|
|
|
|
def get_material_combination(self, name: str) -> Optional[ClothMaterial]:
|
|
"""
|
|
获取混合材质
|
|
|
|
Args:
|
|
name: 混合材质名称
|
|
|
|
Returns:
|
|
混合布料材质对象或None
|
|
"""
|
|
combination = self.material_combinations.get(name)
|
|
if combination:
|
|
return combination['material_object']
|
|
return None
|
|
|
|
def get_material_properties_database(self) -> Dict[str, Dict[str, Any]]:
|
|
"""
|
|
获取材质属性数据库
|
|
|
|
Returns:
|
|
材质属性字典
|
|
"""
|
|
database = {}
|
|
for material_type, material in self.materials.items():
|
|
database[material_type] = material.get_material_properties_summary()
|
|
return database
|
|
|
|
def find_similar_materials(self, reference_material: ClothMaterial,
|
|
max_results: int = 5) -> List[Tuple[str, float]]:
|
|
"""
|
|
查找相似材质
|
|
|
|
Args:
|
|
reference_material: 参考材质
|
|
max_results: 最大结果数量
|
|
|
|
Returns:
|
|
相似材质列表 (材质类型, 相似度)
|
|
"""
|
|
reference_props = reference_material.get_material_properties_summary()
|
|
similarities = []
|
|
|
|
for material_type, material in self.materials.items():
|
|
if material_type == reference_material.material_type:
|
|
continue # 跳过自身
|
|
|
|
material_props = material.get_material_properties_summary()
|
|
|
|
# 计算相似度 (简化版本)
|
|
similarity = 0.0
|
|
total_weight = 0.0
|
|
|
|
# 物理属性相似度
|
|
ref_phys = reference_props['physical_properties']
|
|
mat_phys = material_props['physical_properties']
|
|
|
|
for key in ref_phys.keys():
|
|
if key in mat_phys:
|
|
ref_val = ref_phys[key]
|
|
mat_val = mat_phys[key]
|
|
# 归一化差异 (假设值在合理范围内)
|
|
diff = abs(ref_val - mat_val) / max(1.0, ref_val + mat_val)
|
|
similarity += (1.0 - diff) * 0.4
|
|
total_weight += 0.4
|
|
|
|
# 视觉属性相似度
|
|
ref_vis = reference_props['visual_properties']
|
|
mat_vis = material_props['visual_properties']
|
|
|
|
# 颜色相似度
|
|
if 'color' in ref_vis and 'color' in mat_vis:
|
|
ref_color = ref_vis['color']
|
|
mat_color = mat_vis['color']
|
|
color_diff = (
|
|
(ref_color[0] - mat_color[0]) ** 2 +
|
|
(ref_color[1] - mat_color[1]) ** 2 +
|
|
(ref_color[2] - mat_color[2]) ** 2
|
|
) ** 0.5
|
|
similarity += (1.0 - color_diff) * 0.3
|
|
total_weight += 0.3
|
|
|
|
# 粗糙度相似度
|
|
if 'roughness' in ref_vis and 'roughness' in mat_vis:
|
|
roughness_diff = abs(ref_vis['roughness'] - mat_vis['roughness'])
|
|
similarity += (1.0 - roughness_diff) * 0.2
|
|
total_weight += 0.2
|
|
|
|
# 金属度相似度
|
|
if 'metallic' in ref_vis and 'metallic' in mat_vis:
|
|
metallic_diff = abs(ref_vis['metallic'] - mat_vis['metallic'])
|
|
similarity += (1.0 - metallic_diff) * 0.1
|
|
total_weight += 0.1
|
|
|
|
if total_weight > 0:
|
|
normalized_similarity = similarity / total_weight
|
|
similarities.append((material_type, normalized_similarity))
|
|
|
|
# 按相似度排序
|
|
similarities.sort(key=lambda x: x[1], reverse=True)
|
|
return similarities[:max_results] |