Class Rect

constructor

• new Rect(left, top, width, height): Rect

• Parameters

  • left: number
  • top: number
  • width: number
  • height: number

  Returns Rect

height

left

top

width

bottom

• get bottom(): number

• Returns number

centerX

• get centerX(): number

• Returns number

centerY

• get centerY(): number

• Returns number

right

• get right(): number

• Returns number

contains

• contains(x, y): boolean

• 判断点是否在矩形内部

  Parameters

  • x: number

    x左边
  • y: number

    y坐标

  Returns boolean

setEmpty

• setEmpty(): void

• Set the rectangle to (0,0,0,0)

  Returns void