tins2020/rect.go

package tins2020

import "github.com/veandco/go-sdl2/sdl"

type Rectangle struct {
	sdl.Rect
}

func Rect(x1, y1, x2, y2 int32) Rectangle {
	if x1 > x2 {
		x1, x2 = x2, x1
	}
	if y1 > y2 {
		y1, y2 = y2, y1
	}
	return Rectangle{sdl.Rect{X: x1, Y: y1, W: x2 - x1, H: y2 - y1}}
}

func RectSize(x, y, w, h int32) Rectangle { return Rectangle{sdl.Rect{X: x, Y: y, W: w, H: h}} }

func (r Rectangle) Bottom() int32 { return r.Y + r.H }

func (r Rectangle) IsPointInside(x, y int32) bool {
	return x >= r.X && x < r.X+r.W && y >= r.Y && y < r.Y+r.H
}

func (r Rectangle) IsPointInsidePt(p Point) bool { return r.IsPointInside(p.X, p.Y) }

func (r Rectangle) Right() int32 { return r.X + r.W }

func (r Rectangle) SDL() sdl.Rect     { return r.Rect }
func (r Rectangle) SDLPtr() *sdl.Rect { return &r.Rect }