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[ts] Use existing, explicit atlas data instead of relying on an image's current width/height (#2085)

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This fixes a bug where UVs would sometimes be wrong if an image's size is not the same as when originally exported.  This could happen in the wild to _any_ project, due to mobile ISPs/browsers that proxy requests and resize images before sending them to clients.
Fixing this also allows `spine-core` to work with engines that:
* use embedded, low-res textures while waiting for high res textures to load
* automatically provide lower resolution textures to low-end devices or low-resolution displays
This commit is contained in:
Jimb Esser 2023-01-30 03:51:47 -08:00 committed by GitHub
parent c8d38f2ec4
commit 905f4c6ece
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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spine-ts/spine-core/src/attachments/MeshAttachment.ts
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@ -93,8 +93,8 @@ export class MeshAttachment extends VertexAttachment implements HasTextureRegion
let n = this.uvs.length;
let u = this.region.u, v = this.region.v, width = 0, height = 0;
if (this.region instanceof TextureAtlasRegion) {
let region = this.region, image = region.page!.texture!.getImage();
let textureWidth = image.width, textureHeight = image.height;
let region = this.region, page = region.page;
let textureWidth = page.width, textureHeight = page.height;
switch (region.degrees) {
case 90:
u -= (region.originalHeight - region.offsetY - region.height) / textureWidth;