shader

package

v1.7.0 Latest Latest Go to latest Published: Aug 12, 2025 License: MIT Imports: 4 Imported by: 0

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type Shader func(image.Image) ShaderOutput

Shader takes an initial screen state and returns a function that calculates the output for each screen cell at each time step.

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

ShaderAnimation is a simple system for writing OpenGL-like "shaders".

func NewShaderAnimation(shader Shader) *ShaderAnimation

func (s *ShaderAnimation) Init(start image.Image)

func (s *ShaderAnimation) Update(delta time.Duration) image.Image

type ShaderOutput func(
	ts time.Duration,
	row int,
	col int,
	rows int,
	cols int,
) emu.Glyph

ShaderOutput is a function that calculates the output for a single screen cell.