tins2020/point.go

package tins2020

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

type Point struct {
	sdl.Point
}

func (p Point) Add(q Point) Point { return Pt(p.X+q.X, p.Y+q.Y) }

func (p Point) In(r Rectangle) bool { return r.IsPointInsidePt(p) }

func (p Point) ToPtF() PointF { return PtF(float32(p.X), float32(p.Y)) }

type PointF struct {
	sdl.FPoint
}

func (p PointF) Add(q PointF) PointF {
	return PtF(p.X+q.X, p.Y+q.Y)
}

func (p PointF) Mul(f float32) PointF {
	return PtF(f*p.X, f*p.Y)
}

func (p PointF) Sub(q PointF) PointF { return PtF(p.X-q.X, p.Y-q.Y) }

func Pt(x, y int32) Point     { return Point{sdl.Point{X: x, Y: y}} }
func PtF(x, y float32) PointF { return PointF{sdl.FPoint{X: x, Y: y}} }

func PtPtr(x, y int32) *Point {
	p := Pt(x, y)
	return &p
}

func PtFPtr(x, y float32) *PointF {
	p := PtF(x, y)
	return &p
}