Pixel-Composer/shaders/sh_pb_hash/sh_pb_hash.fsh
2023-07-21 12:40:20 +02:00

26 lines
446 B
GLSL

//
// Simple passthrough fragment shader
//
varying vec2 v_vTexcoord;
varying vec4 v_vColour;
uniform vec2 dimension;
uniform vec4 color;
uniform float hash;
uniform int invert;
void main() {
vec2 px = v_vTexcoord * dimension;
float index;
if(invert == 1) index = px.x - px.y;
else index = px.x + px.y;
if(mod(index, hash) >= hash / 2.)
gl_FragColor = color;
else
gl_FragColor = texture2D( gm_BaseTexture, v_vTexcoord );
}