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