Invert Y axis on Position and Scale patchmod so it makes sense.

baaahs · Aug 30, 2024 · 948c80f · 948c80f
1 parent 4715f76
commit 948c80f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/commonMain/kotlin/baaahs/app/ui/patchmod/PositionAndScalePatchMod.kt b/src/commonMain/kotlin/baaahs/app/ui/patchmod/PositionAndScalePatchMod.kt
@@ -66,7 +66,8 @@ class PositionAndScalePatchMod(
                         // @param scale float
                         // @return uv-coordinate
                         vec2 main(vec2 uvIn, vec2 offset, float scale) {
-                            return (uvIn - .5) / scale - -offset + .5;
+                            vec2 offsetAdjusted = vec2(offset.x, 0. - offset.y);
+                            return (uvIn - .5) / scale - -offsetAdjusted + .5;
                         }
                     """.trimIndent(),
                 )