texture

package

v0.0.0-...-9165eb6 Latest Latest Go to latest Published: May 2, 2022 License: CC0-1.0 Imports: 7 Imported by: 0

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Package texture implements different types of textures.

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type Checker struct {
	// contains filtered or unexported fields
}

Checker represents a checker board pattern texture.

func NewChecker(odd Texture, even Texture) *Checker

NewChecker returns a new instance of the Checker texture.

func (c *Checker) Value(u float64, v float64, p *vec3.Vec3Impl) *vec3.Vec3Impl

type Constant struct {
	// contains filtered or unexported fields
}

Constant represents a constant texture.

func NewConstant(color *vec3.Vec3Impl) *Constant

NewConstant returns an instance of the constant texture.

func (c *Constant) Value(_ float64, _ float64, _ *vec3.Vec3Impl) *vec3.Vec3Impl

type ImageTxt struct {
	// contains filtered or unexported fields
}

ImageTxt represents an image-based texture.

func NewFromPNG(r io.Reader) (*ImageTxt, error)

NewFromPNG returns a new ImageTxt instance by using the supplied PNG data.

func (it *ImageTxt) Value(u float64, v float64, p *vec3.Vec3Impl) *vec3.Vec3Impl

type Noise struct {
	// contains filtered or unexported fields
}

Noise represents a noise texture.

func NewNoise(scale float64) *Noise

NewNoise returns an instance of the noise texture.

func (n *Noise) Value(_ float64, _ float64, p *vec3.Vec3Impl) *vec3.Vec3Impl

type Texture interface {
	// Value returns the color values at a given point.
	Value(u float64, v float64, p *vec3.Vec3Impl) *vec3.Vec3Impl
}

Texture represents a texture.