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Author: DD Liu

src/Drawable.js

@@ -38,7 +38,8 @@ const getLocalPosition = (drawable, vec) => {
     // localPosition matches that transformation.
     localPosition[0] = 0.5 - (((v0 * m[0]) + (v1 * m[4]) + m[12]) / d);
     localPosition[1] = (((v0 * m[1]) + (v1 * m[5]) + m[13]) / d) + 0.5;
-    // Fix floating point issues near 0.
+    // Fix floating point issues near 0. Filed https://github.com/LLK/scratch-render/issues/688 that
+    // they're happening in the first place.
     // TODO: Check if this can be removed after render pull 479 is merged
     if (Math.abs(localPosition[0]) < FLOATING_POINT_ERROR_ALLOWANCE) localPosition[0] = 0;
     if (Math.abs(localPosition[1]) < FLOATING_POINT_ERROR_ALLOWANCE) localPosition[1] = 0;