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clipping mask vertices fix

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in the case of weighted vertices on clipping attachments, we were previously using the length of the vertices array, which is not the same as the worldVerticesLength

example clipping attachment data:
"vertexCount": 4,
"vertices": [ 1, 15, -47.71, 34.91, 1, 1, 18, -47.86, -35.06, 1, 1, 17, 47.8, -34.9, 1, 1, 16, 47.81, 34.87, 1 ],

resulting vertices length would be 12
we actually needed 8
the result is an array with 8 correct numbers and 4 trailing numbers from the vertices array
This commit is contained in:
Gordon Cummings 2024-08-12 10:34:37 +01:00 committed by Davide
parent c6614d7db7
commit dfa6098aa6
1 changed files with 1 additions and 1 deletions
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2
spine-ts/spine-pixi/src/Spine.ts
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@ -341,7 +341,7 @@ export class Spine extends Container {
if (!pixiMaskSource.computed) { if (!pixiMaskSource.computed) {
pixiMaskSource.computed = true; pixiMaskSource.computed = true;
const clippingAttachment = pixiMaskSource.slot.attachment as ClippingAttachment; const clippingAttachment = pixiMaskSource.slot.attachment as ClippingAttachment;
const world = Array.from(clippingAttachment.vertices); const world = new Array(clippingAttachment.worldVerticesLength);
clippingAttachment.computeWorldVertices(pixiMaskSource.slot, 0, clippingAttachment.worldVerticesLength, world, 0, 2); clippingAttachment.computeWorldVertices(pixiMaskSource.slot, 0, clippingAttachment.worldVerticesLength, world, 0, 2);
mask.clear().lineStyle(0).beginFill(0x000000).drawPolygon(world); mask.clear().lineStyle(0).beginFill(0x000000).drawPolygon(world);
} }