set 设置场景色调

set

类型: MethodDeclaration

定义位置: filter.ts

描述

设置场景色调

参数 tint: 色调数组[-255255, -255255, -255255, 0255]

参数 easingId: 过渡曲线ID

参数 duration: 持续时间(毫秒)

参数

参数名	类型	描述	默认值
tint	ImageTint	-	-
easingId	string	-	''
duration	number	-	n0

返回值

类型: void

源代码

位置: 第 103 行

public set(tint: ImageTint, easingId: string = '', duration: number = 0): void {
    // 如果上一次的色调过渡未结束，移除
    if (this.transition) {
      this.transition.remove()
      delete this.transition
    }
    if (duration > 0) {
      const start = Array.from(this.tint)
      const end = tint
      const easing = Easing.get(easingId)
      // 创建色调过渡计时器
      this.transition = new Timer({
        duration: duration,
        update: timer => {
          const tint = this.tint
          const time = easing.get(timer.elapsed / duration)
          tint[0] = Math.clamp(start[0] * (1 - time) + end[0] * time, -255, 255)
          tint[1] = Math.clamp(start[1] * (1 - time) + end[1] * time, -255, 255)
          tint[2] = Math.clamp(start[2] * (1 - time) + end[2] * time, -255, 255)
          tint[3] = Math.clamp(start[3] * (1 - time) + end[3] * time, 0, 255)
        },
        callback: () => {
          delete this.transition
        },
      }).add()
    } else {
      // 直接设置色调
      this.tint[0] = tint[0]
      this.tint[1] = tint[1]
      this.tint[2] = tint[2]
      this.tint[3] = tint[3]
    }
  }

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文档生成时间：2025/7/21 20:53:39