getParallaxAnchor 获取视差图锚点

getParallaxAnchor

类型: MethodDeclaration

定义位置: scene.ts

描述

获取视差图锚点

参数 parallax: 视差图或瓦片地图对象

返回值:视差图锚点位置(共享对象)

参数

参数名	类型	描述	默认值
parallax	SceneParallax | SceneTilemap	-	-

返回值

类型: Point

视差图锚点位置(共享对象)

源代码

位置: 第 592 行

public getParallaxAnchor(parallax: SceneParallax | SceneTilemap): Point {
    const point = this.sharedPoint
    const scene = this.binding!
    const tw = scene.tileWidth
    const th = scene.tileHeight
    const cx = Camera.scrollCenterX
    const cy = Camera.scrollCenterY
    const px = parallax.x * tw
    const py = parallax.y * th
    const fx = parallax.parallaxFactorX
    const fy = parallax.parallaxFactorY
    point.x = cx + fx * (px - cx)
    point.y = cy + fy * (py - cy)
    return point
  }

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文档生成时间：2025/7/21 20:53:39