160 lines
5.6 KiB
Python
160 lines
5.6 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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颜色变化脚本 - 让对象颜色产生循环变化
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"""
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from core.script_system import ScriptBase
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from panda3d.core import Vec4
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import math
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class ColorChangerScript(ScriptBase):
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"""颜色变化脚本类"""
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def __init__(self):
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super().__init__()
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# 颜色参数
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self.color_speed = 1.0 # 颜色变化速度 (周期/秒)
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self.color_mode = "rainbow" # 颜色模式: "rainbow", "pulse", "fade", "strobe"
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self.base_color = Vec4(1, 1, 1, 1) # 基础颜色
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self.intensity = 1.0 # 颜色强度
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# 内部变量
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self.time_accumulator = 0.0 # 时间累积器
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self.original_color = None # 原始颜色
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self.is_changing = True # 是否正在变化
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self.strobe_state = False # 闪烁状态
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def start(self):
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"""脚本开始时调用"""
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self.log("颜色变化脚本启动！")
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self.log(f"颜色参数: 速度={self.color_speed}, 模式={self.color_mode}, 强度={self.intensity}")
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# 记录原始颜色
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self.original_color = self.gameObject.getColor()
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self.log(f"原始颜色: {self.original_color}")
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def update(self, dt):
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"""每帧更新"""
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if not self.is_changing:
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return
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# 累积时间
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self.time_accumulator += dt
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# 根据模式计算新颜色
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if self.color_mode == "rainbow":
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new_color = self._calculate_rainbow_color()
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elif self.color_mode == "pulse":
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new_color = self._calculate_pulse_color()
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elif self.color_mode == "fade":
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new_color = self._calculate_fade_color()
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elif self.color_mode == "strobe":
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new_color = self._calculate_strobe_color()
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else:
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new_color = self.base_color
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# 应用颜色
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self.gameObject.setColor(new_color)
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def _calculate_rainbow_color(self):
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"""计算彩虹颜色"""
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# 使用HSV到RGB的转换创建彩虹效果
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hue = (self.time_accumulator * self.color_speed) % 1.0
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# 简单的HSV到RGB转换
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i = int(hue * 6.0)
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f = (hue * 6.0) - i
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p = 0.0
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q = 1.0 - f
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t = f
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if i % 6 == 0:
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r, g, b = 1.0, t, p
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elif i % 6 == 1:
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r, g, b = q, 1.0, p
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elif i % 6 == 2:
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r, g, b = p, 1.0, t
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elif i % 6 == 3:
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r, g, b = p, q, 1.0
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elif i % 6 == 4:
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r, g, b = t, p, 1.0
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else:
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r, g, b = 1.0, p, q
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return Vec4(r * self.intensity, g * self.intensity, b * self.intensity, 1.0)
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def _calculate_pulse_color(self):
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"""计算脉冲颜色"""
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pulse = (math.sin(self.time_accumulator * self.color_speed * 2 * math.pi) + 1.0) / 2.0
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multiplier = pulse * self.intensity
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return Vec4(
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self.base_color.getX() * multiplier,
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self.base_color.getY() * multiplier,
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self.base_color.getZ() * multiplier,
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self.base_color.getW()
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)
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def _calculate_fade_color(self):
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"""计算淡入淡出颜色"""
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fade = (math.sin(self.time_accumulator * self.color_speed * 2 * math.pi) + 1.0) / 2.0
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alpha = fade * self.intensity
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return Vec4(
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self.base_color.getX(),
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self.base_color.getY(),
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self.base_color.getZ(),
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alpha
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)
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def _calculate_strobe_color(self):
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"""计算闪烁颜色"""
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# 根据时间间隔切换状态
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interval = 1.0 / (self.color_speed * 2) # 闪烁间隔
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if int(self.time_accumulator / interval) % 2 == 0:
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return Vec4(
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self.base_color.getX() * self.intensity,
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self.base_color.getY() * self.intensity,
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self.base_color.getZ() * self.intensity,
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self.base_color.getW()
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)
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else:
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return Vec4(0.1, 0.1, 0.1, self.base_color.getW()) # 暗色状态
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def set_color_parameters(self, speed=None, mode=None, base_color=None, intensity=None):
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"""设置颜色参数"""
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if speed is not None:
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self.color_speed = speed
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if mode is not None and mode in ["rainbow", "pulse", "fade", "strobe"]:
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self.color_mode = mode
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if base_color is not None:
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self.base_color = base_color
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if intensity is not None:
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self.intensity = intensity
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self.log(f"颜色参数更新: 速度={self.color_speed}, 模式={self.color_mode}, 强度={self.intensity}")
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def toggle_color_change(self):
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"""切换颜色变化状态"""
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self.is_changing = not self.is_changing
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status = "恢复" if self.is_changing else "暂停"
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self.log(f"颜色变化{status}")
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def reset_color(self):
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"""重置到原始颜色"""
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if self.original_color:
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self.gameObject.setColor(self.original_color)
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self.time_accumulator = 0.0
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self.log("颜色已重置到原始值")
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def set_solid_color(self, r=1.0, g=1.0, b=1.0, a=1.0):
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"""设置固定颜色"""
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color = Vec4(r, g, b, a)
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self.gameObject.setColor(color)
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self.base_color = color
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self.log(f"设置固定颜色: {color}")
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def on_destroy(self):
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"""脚本销毁时调用"""
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self.log("颜色变化脚本停止") |