change dither_c64() signature to take 'dimension' directly

1 files changed, 3 insertions, 2 deletions

diff --git a/src/effects/rotating_cube.wgsl b/src/effects/rotating_cube.wgsl
index abd584c..fcb4774 100644
--- a/src/effects/rotating_cube.wgsl
+++ b/src/effects/rotating_cube.wgsl
@@ -89,6 +89,7 @@ fn get_cube_normal(vid: u32) -> vec3f {
     let ambient = 0.3;
     let lighting = ambient + diffuse * 0.7;
 
-    let color = object.color.rgb * lighting;
-    return rgba_to_luma_chroma_phase(vec4f(color, 1.0), screen_uv.y, 264.);
+    var color = object.color * lighting;
+    color = dither_c64(color, screen_uv, uniforms.resolution / 2.);
+    return rgba_to_luma_chroma_phase(color, screen_uv.y, 264.);
 }