Sha256: 2376bbb91be094e03a51e295008b61d0457c52226f171898446bc09a63250b1d
Contents?: true
Size: 742 Bytes
Versions: 18
Compression:
Stored size: 742 Bytes
Contents
const float LOG2 = 1.442695;
void main(inout vec4 ambient, inout vec4 diffuse, inout vec4 specular) {
float fog;
float error = 0.0;
float distance = length(gl_FragCoord.z / gl_FragCoord.w);
if (Algorithm == <%=Jax.LINEAR%>) {
fog = (End - distance) * Scale;
} else if (Algorithm == <%=Jax.EXPONENTIAL%>) {
fog = exp(-Density * distance);
} else if (Algorithm == <%=Jax.EXP2%>) {
fog = exp2(-Density * Density * distance * distance * LOG2);
} else {
/* error condition, output red */
ambient = diffuse = specular = vec4(1,0,0,1);
error = 1.0;
}
if (error != 1.0) {
fog = clamp(fog, 0.0, 1.0);
ambient = mix(FogColor, ambient, fog);
diffuse = mix(FogColor, diffuse, fog);
}
}
Version data entries
18 entries across 18 versions & 1 rubygems