mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
26 lines
588 B
GLSL
26 lines
588 B
GLSL
//
|
|
// Simple passthrough fragment shader
|
|
//
|
|
varying vec2 v_vTexcoord;
|
|
varying vec4 v_vColour;
|
|
|
|
uniform vec2 dimension;
|
|
uniform vec2 position;
|
|
uniform float angle;
|
|
uniform float amount;
|
|
|
|
uniform vec4 col1, col2;
|
|
|
|
void main() {
|
|
vec2 dimension_norm = dimension / dimension.y;
|
|
vec2 c = (v_vTexcoord - position) * dimension_norm;
|
|
float _x = c.x * cos(angle) - c.y * sin(angle);
|
|
float _y = c.x * sin(angle) + c.y * cos(angle);
|
|
float _a = 1. / amount;
|
|
|
|
if(mod(floor(_x / _a) + floor(_y / _a), 2.) > 0.5)
|
|
gl_FragColor = vec4(col1.rgb, 1.);
|
|
else
|
|
gl_FragColor = vec4(col2.rgb, 1.);
|
|
}
|