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size

描述

size 属性定义了一个矩形触发区域的宽度和高度。它是 RectangleTriggerRegion 类的一个可读可写属性。

语法

rectangleTriggerRegion.size = { width: number, height: number };
  • width:必需,表示矩形触发区域的宽度,以像素为单位。
  • height:必需,表示矩形触发区域的高度,以像素为单位。

示例

var rectangleTriggerRegion = new Yuka.RectangleTriggerRegion();
rectangleTriggerRegion.size = { width: 100, height: 50 };

在上面的示例中,我们创建了一个 RectangleTriggerRegion 对象,并将其 size 属性设置为 { width: 100, height: 50 }。这意味着矩形触发区域的宽度为 100 像素,高度为 50 像素。

注意事项

  • 如果 size 属性没有设置,则默认为 { width: 0, height: 0 },也就是一个空的矩形触发区域。
  • size 属性的值必须是正数值,否则会抛出错误。