geometry

type Point ¶

type Point struct {
	X int
	Y int
}

func (p *Point) Constrain(rect Rect)

func (p *Point) Translate(x, y int)

type Rect ¶

type Rect struct {
	Position Point
	Size     Size
}

Rect holds four int coordinates describing the upper and lower bounds of a rectangle. Rect may be created from outer bounds or from position, width, and height.

func RectNewLTRB(left, top, right, bottom int) Rect

func RectNewXYWH(x, y, width, height int) Rect

func (r Rect) Bottom() int

func (r Rect) Clip(other Rect) Rect

func (r Rect) Right() int

func (r Rect) Translate(x, y int) Rect

func (r Rect) TranslateForPos(pos Point) Rect

type Size ¶

type Size struct {
	Width  int
	Height int
}

func (d Size) Max(other Size) Size

func (d Size) Min(other Size) Size