1 files changed, 2 insertions, 1 deletions
diff --git a/src/shader.frag b/src/shader.frag
index 8f46ec0..ca895d2 100644
--- a/src/shader.frag
+++ b/src/shader.frag
@@ -62,7 +62,8 @@ void main() {
   if (mod(gl_FragCoord.x, 20) > 19 || mod(gl_FragCoord.y, 20) > 19) {
     outColor = vec4(0,0,0, 1);
   } else {
-    outColor = vec4(0.0, n * .2, n * 0.5, 1.0);
+    float x = clamp(sin(ubo.time * 0.1), 0.0, 1.0);
+    outColor = vec4(x, n * .2, n * 0.5, 1.0);
   }
 }