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Updated shaders with comments

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raysan5
2016-05-18 12:04:27 +02:00
parent 0e29aa2951
commit bc08271da3
34 changed files with 294 additions and 158 deletions
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15
shaders/glsl330/predator.fs
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@ -1,27 +1,32 @@
#version 330
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
in vec4 fragColor;
out vec4 fragColor;
// Input uniform values
uniform sampler2D texture0;
uniform vec4 fragTintColor;
// Output fragment color
out vec4 finalColor;
// NOTE: Add here your custom variables
void main()
{
vec3 color = texture(texture0, fragTexCoord).rgb;
// Texel color fetching from texture sampler
vec3 texelColor = texture(texture0, fragTexCoord).rgb;
vec3 colors[3];
colors[0] = vec3(0.0, 0.0, 1.0);
colors[1] = vec3(1.0, 1.0, 0.0);
colors[2] = vec3(1.0, 0.0, 0.0);
float lum = (color.r + color.g + color.b)/3.0;
float lum = (texelColor.r + texelColor.g + texelColor.b)/3.0;
int ix = (lum < 0.5)? 0:1;
vec3 tc = mix(colors[ix], colors[ix + 1], (lum - float(ix)*0.5)/0.5);
fragColor = vec4(tc, 1.0);
finalColor = vec4(tc, 1.0);
}