// GL_MODULATE: C
// C = Cf * Ct
// A = Af * At
- FragColor = color * (f + 0.03); // the +0.03 is a hack to get lighter clouds!
+ // the +0.06 is a hack to get lighter clouds!
+ // can be thought of as ambient light
+ FragColor = color * (f + 0.02);
} else {
// "That is, the colors in the frame buffer are multiplied by the
// attenuation ratio of the billboard texture and then the colors in