ebiten/internal/shader/testdata/vertex.go

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2020-06-08 04:18:27 +02:00
package main
func Vertex(position vec2, texCoord vec2, color vec4) (position vec4, texCoord vec2, color vec4) {
projectionMatrix := mat4(
2/ScreenSize.x, 0, 0, 0,
0, 2/ScreenSize.y, 0, 0,
0, 0, 1, 0,
-1, -1, 0, 1,
)
return projectionMatrix * vec4(position, 0, 1), texCoord, color
}
var ScreenSize vec2