utils

package

v0.0.0-...-2a6a35c Latest Latest Go to latest Published: Jul 25, 2022 License: MIT Imports: 4 Imported by: 0

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var Rand = rand.New(rand.NewSource(time.Now().UnixMilli()))

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type Point struct {
	X, Y float64
}

func RoundToPoint(rad, length float64) Point

func (p Point) Add(p2 Point) Point

func (p Point) Diff(p2 Point) (float64, float64)

func (p Point) String() string

String returns a string representation of p like "(3,4)".

func (p Point) Sub(p2 Point) Point

type Rectangle struct {
	Min, Max Point
}

func Rect(x, y, w, h float64) Rectangle

Rect build a utils.Rectangle

func (r Rectangle) Dx() float64

Dx returns r's width.

func (r Rectangle) Dy() float64

Dy returns r's height.

func (r Rectangle) Size() Point

Size returns r's width and height.

func (r Rectangle) String() string

String returns a string representation of r like "(3,4)-(6,5)".