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[threejs] Explicitely discard fragments with alpha < 0.5, closes #1985

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This commit is contained in:
Mario Zechner 2022-02-02 12:11:48 +01:00
parent 1fb9546b27
commit 7031982333
2 changed files with 2 additions and 0 deletions
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1
CHANGELOG.md
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@ -328,6 +328,7 @@
### Three.js backend
* `SkeletonMesh` now takes an optional `SkeletonMeshMaterialParametersCustomizer` function that allows you to modify the `ShaderMaterialParameters` before the material is finalized. Use it to modify things like THREEJS' `Material.depthTest` etc. See #1590.
* **Breaking change:** the global object `spine.canvas` no longer exists. All classes and functions are now exposed on the global `spine` object directly. Simply replace any reference to `spine.threejs.` in your source code with `spine.`.
* **Breaking change:** the default fragment shader of `SkeletonMeshMaterial` now explicitely discards fragments with alpha < 0.5. See https://github.com/EsotericSoftware/spine-runtimes/issues/1985
### Player
* Added `SpinePlayerConfig.rawDataURIs`. Allows to embed data URIs for skeletons, atlases and atlas page images directly in the HTML/JS without needing to load it from a separate file. See the example for a demonstration.

1
spine-ts/spine-threejs/src/SkeletonMesh.ts
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@ -54,6 +54,7 @@ export class SkeletonMeshMaterial extends THREE.ShaderMaterial {
varying vec4 vColor;
void main(void) {
gl_FragColor = texture2D(map, vUv)*vColor;
if (gl_FragColor.a < 0.5) discard;
}
`;