rt2

package module

v0.0.0-...-6ac44a9 Latest Latest Go to latest Published: Jun 21, 2021 License: MIT Imports: 2 Imported by: 0

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Repository

github.com/clfs/rt2

Links

Open Source Insights

README ¶

rt2

2D raytracer.

Documentation ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Light ¶

type Light struct {
	Point Vec
}

type Ray ¶

type Ray struct {
	Origin    Vec
	Direction Vec
}

type Shape ¶

type Shape interface {
	Hit(r Ray) bool
}

type Vec ¶

type Vec struct {
	X, Y float64
}

func NewVec ¶

func NewVec(x, y float64) Vec

NewVec returns a new vector <x, y>.

func (*Vec) Add ¶

func (v *Vec) Add(a, b *Vec) *Vec

Add sets v to a+b and returns v.

func (*Vec) Dist ¶

func (v *Vec) Dist(a *Vec) float64

Dist returns the distance between v and a.

func (*Vec) Div ¶

func (v *Vec) Div(a *Vec, f float64) *Vec

Div sets v to a/f and returns v.

func (*Vec) Mul ¶

func (v *Vec) Mul(a *Vec, f float64) *Vec

Mul sets v to a*f and returns v.

func (*Vec) Neg ¶

func (v *Vec) Neg(a *Vec) *Vec

Neg sets v to -a and returns v.

func (*Vec) Sub ¶

func (v *Vec) Sub(a, b *Vec) *Vec

Sub sets v to a-b and returns v.

type World ¶

type World struct {
	Color  color.RGBA
	Lights []Light
	Shapes []Shape
}

func NewWorld ¶

func NewWorld(c color.RGBA) World

func (*World) AddLight ¶

func (w *World) AddLight(l Light)

func (*World) AddShape ¶

func (w *World) AddShape(s Shape)

func (*World) At ¶

func (w *World) At(v Vec) color.RGBA

Source Files ¶

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Directories ¶

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