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[clouds.git] / billboardfrag.glsl

diff --git a/billboardfrag.glsl b/billboardfrag.glsl
index 2349e4dfef4610558042a9f6b8315e1ac217800a..94d15dcb2f1e477e90ed7cba724dedfcc4f49308 100644 (file)
--- a/billboardfrag.glsl
+++ b/billboardfrag.glsl
@@ -6,7 +6,7 @@ out vec4 FragColor;
 uniform bool modulate;
 void main() {
        // Cf = color from fragment, Ct = color from texture
-       // Cc = color from texture environment(?) assume to be 0?
+       // Cc = color from texture environment -- not set, defaults to (0,0,0,0)
        // Af = alpha from fragment, At = alpha from texture
        // C = output color, A = output alpha
        float f = texture(tex, texCoord).r;