Sha256: b27eedc5b182460a138ae664deaf116e5228cd639fa29811d279f89f4171cf89
Contents?: true
Size: 567 Bytes
Versions: 11
Compression:
Stored size: 567 Bytes
Contents
#version 110
#include <rand>
// Rather poor quality noise generation, but better than nothing and sort of looks like TV static a bit.
uniform sampler2D in_Texture;
uniform int in_WindowWidth; // Not used.
uniform int in_WindowHeight; // Not used.
uniform float in_Intensity;
uniform float in_T;
varying vec2 var_TexCoord;
void main() {
vec4 color = texture2D(in_Texture, var_TexCoord);
vec4 influence = min(color, 1.0 - color);
float noise = 1.0 - 2.0 * rand(var_TexCoord + float(in_T));
gl_FragColor = color + in_Intensity * influence * noise;
}
Version data entries
11 entries across 11 versions & 2 rubygems