git.iko.soy/metal-metaballs
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Corrected metaball colors.
5fb38a4vinivendra
PixelImage/MetalMetaballRenderer.swift−1
compare with master
unifiedsplit
@@ -1,4 +1,3 @@
1−// TODO: Metaballs from texture to buffer
2// TODO: Use async dispatch to free up main queue
1// TODO: Use async dispatch to free up main queue
3// TODO: Refactor update into 2 calls: metalRendering() and textureToImage()
2// TODO: Refactor update into 2 calls: metalRendering() and textureToImage()
4// TODO: Use two textures/images to alternate the 2 calls (like OpenGL double buffers)
3// TODO: Use two textures/images to alternate the 2 calls (like OpenGL double buffers)
PixelImage/shaders.metal+1−1
@@ -44,7 +44,7 @@ kernel void
44 }
44 }
45 }
45 }
46
46
47− float result = sum;
47+ float result = mix(0.0, 1.0, step(0.4, sum));
48
48
49 outTexture.write(float4(result, result / 2, 0, 1), gid);
49 outTexture.write(float4(result, result / 2, 0, 1), gid);
50}
50}