EG/plugins/user/particle_system/effects/smoke_effect.py
2025-12-12 16:16:15 +08:00

98 lines
2.6 KiB
Python

"""
烟雾效果
"""
from panda3d.core import Vec3, Point3
from ..core.particle_emitter import ParticleEmitter
class SmokeEffect:
"""
烟雾效果
模拟烟雾扩散效果
"""
@staticmethod
def create_effect(world, position: Point3 = None, config: Dict = None) -> str:
"""
创建烟雾效果
Args:
world: 3D世界对象
position: 发射器位置
config: 自定义配置
Returns:
发射器ID
"""
if position is None:
position = Point3(0, 0, 0)
if config is None:
config = {}
# 默认配置
default_config = {
'particle_type': 'smoke',
'emission_rate': 30,
'particle_lifetime': 4.0,
'start_color': Vec3(0.8, 0.8, 0.8),
'end_color': Vec3(0.3, 0.3, 0.3),
'start_size': 0.3,
'end_size': 1.5,
'velocity': Vec3(0, 0, 1),
'velocity_variation': 0.3,
'gravity_scale': -0.1,
'emitter_shape': 'circle',
'emitter_radius': 0.5
}
# 合并自定义配置
effect_config = {**default_config, **config}
# 创建发射器
emitter = ParticleEmitter(
"smoke_emitter",
"smoke",
position,
world,
effect_config
)
return emitter.emitter_id
@staticmethod
def update_effect(emitter: ParticleEmitter, config: Dict):
"""
更新烟雾效果
Args:
emitter: 粒子发射器
config: 更新配置
"""
# 更新发射器参数
for key, value in config.items():
if hasattr(emitter, key):
setattr(emitter, key, value)
@staticmethod
def get_default_config() -> Dict:
"""
获取默认配置
Returns:
默认配置字典
"""
return {
'particle_type': 'smoke',
'emission_rate': 30,
'particle_lifetime': 4.0,
'start_color': Vec3(0.8, 0.8, 0.8),
'end_color': Vec3(0.3, 0.3, 0.3),
'start_size': 0.3,
'end_size': 1.5,
'velocity': Vec3(0, 0, 1),
'velocity_variation': 0.3,
'gravity_scale': -0.1,
'emitter_shape': 'circle',
'emitter_radius': 0.5
}