refactor(shader-ast-stdlib): update raymarchScene/AO loops

- use post-increment for counter to be compatible w/ WebGL1
thi-ng · Jun 29, 2019 · 8a4bd89 · 8a4bd89
1 parent 8073edd
commit 8a4bd89
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/packages/shader-ast-stdlib/src/raymarch/ao.ts b/packages/shader-ast-stdlib/src/raymarch/ao.ts
@@ -39,7 +39,7 @@ export const raymarchAO = (scene: RaymarchScene, numSamples = 5) =>
             forLoop(
                 sym("float", float(1)),
                 (i) => lte(i, float(numSamples)),
-                (i) => assign(i, inc(i)),
+                (i) => inc(i),
                 (i) => [
                     (d0 = sym(mul(i, float(1 / numSamples)))),
                     assign(

diff --git a/packages/shader-ast-stdlib/src/raymarch/scene.ts b/packages/shader-ast-stdlib/src/raymarch/scene.ts
@@ -60,7 +60,7 @@ export const raymarchScene = (
             forLoop(
                 sym("int", int(0)),
                 (i) => lt(i, int(opts.steps)),
-                (i) => assign(i, inc(i)),
+                (i) => inc(i),
                 () => [
                     assign(res, scene(add(pos, mul(dir, total)))),
                     ifThen(lt($x(res), float(opts.eps)), [