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18 lines
410 B
Go
18 lines
410 B
Go
package main
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func Vertex(dstPos vec2, srcPos vec2, color vec4) (dstPos vec4, srcPos vec2, color vec4) {
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projectionMatrix := mat4(
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2/ScreenSize.x, 0, 0, 0,
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0, 2/ScreenSize.y, 0, 0,
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0, 0, 1, 0,
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-1, -1, 0, 1,
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)
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return projectionMatrix * vec4(dstPos, 0, 1), srcPos, color
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}
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func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
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return vec4(dstPos.x, srcPos.y, color.z, 1)
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}
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var ScreenSize vec2
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