mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-27 07:26:33 +01:00
23 lines
493 B
GLSL
23 lines
493 B
GLSL
//
|
|
// Simple passthrough fragment shader
|
|
//
|
|
varying vec2 v_vTexcoord;
|
|
varying vec4 v_vColour;
|
|
|
|
uniform vec2 dimension;
|
|
uniform float scale;
|
|
uniform int axis;
|
|
uniform int shift;
|
|
|
|
void main() {
|
|
gl_FragColor = texture2D( gm_BaseTexture, v_vTexcoord );
|
|
if(gl_FragColor.a == 0.) return;
|
|
|
|
vec2 pos = v_vTexcoord * dimension;
|
|
float prog = axis == 0? pos.x : pos.y;
|
|
prog -= float(shift);
|
|
prog /= scale;
|
|
|
|
prog = prog - floor(prog / 2.) * 2.;
|
|
if(prog >= 1.) gl_FragColor = v_vColour;
|
|
}
|