Hack around brightness and shader viewport size

[clouds.git] / billboardfrag.glsl

diff --git a/billboardfrag.glsl b/billboardfrag.glsl
index c2e480bf88a930278ffe6f472f8be86c02b1bddd..39fd71d135d1d36fb9fe820fc9eef3a79082e9cc 100644 (file)
--- a/billboardfrag.glsl
+++ b/billboardfrag.glsl
@@ -13,7 +13,7 @@ void main() {
     return;
   }
   if (debug) {
-    FragColor = mix(vec4(1, 1, 1, 1), vec4(1, 0, 0, 1), debugVal);
+    FragColor = mix(vec4(1, 1, 1, 0), vec4(1, 0, 0, 1), debugVal);
     return;
   }
        // Cf = color from fragment, Ct = color from texture
@@ -25,7 +25,7 @@ void main() {
                // GL_MODULATE: C
                // C = Cf * Ct
                // A = Af * At                          
-               FragColor = color * f;
+               FragColor = color * (f + 0.03); // the +0.03 is a hack to get lighter clouds!
        } else {
         // "That is, the colors in the frame buffer are multiplied by the
         // attenuation ratio of the billboard texture and then the colors in