compileAngle 编译角度对象

compileAngle

类型: MethodDeclaration

所属类: CommandFunctionList

定义位置: command.ts

描述

编译角度对象

参数 angle: 角度访问器

返回值:角度访问器函数(弧度)

参数

参数名	类型	描述	默认值
angle	AngleGetter	-	-

返回值

类型: (origin\?\: any) => number

角度访问器函数(弧度)

源代码

位置: 第 686 行

private compileAngle(angle: AngleGetter): (origin?: any) => number {
    switch (angle.type) {
      case 'position': {
        const getPoint = Command.compilePosition(angle.position)
        return origin => {
          const point = getPoint()
          if (point) {
            const distY = point.y - origin.y
            const distX = point.x - origin.x
            return Math.atan2(distY, distX)
          }
          return origin.angle ?? 0
        }
      }
      case 'absolute': {
        const getDegrees = Command.compileNumber(angle.degrees)
        return () => Math.radians(getDegrees())
      }
      case 'relative': {
        const getDegrees = Command.compileNumber(angle.degrees)
        return origin => (origin.angle ?? 0) + Math.radians(getDegrees())
      }
      case 'direction': {
        const radians = Math.radians(angle.degrees)
        return origin => {
          const animation = origin.animation
          if (animation) {
            return animation.getDirectionAngle() + radians
          }
          return radians
        }
      }
      case 'random': {
        const radians = Math.PI * 2
        return () => Math.random() * radians
      }
    }
  }

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文档生成时间：2025/7/21 20:53:39