Compressed ply orientation fix (playcanvas#7064)

slimbuck · Oct 24, 2024 · bacb3d6 · bacb3d6
1 parent e737403
commit bacb3d6
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Showing 2 changed files with 1 addition and 11 deletions.
diff --git a/src/framework/parsers/gsplat-resource.js b/src/framework/parsers/gsplat-resource.js
@@ -74,9 +74,7 @@ class GSplatResource {
 
         // the ply scene data no longer gets automatically rotated on load, so do
         // it here instead.
-        if (!this.splatData.isCompressed) {
-            entity.setLocalEulerAngles(0, 0, 180);
-        }
+        entity.setLocalEulerAngles(0, 0, 180);
 
         // set custom aabb
         component.customAabb = splatInstance.splat.aabb.clone();

diff --git a/src/scene/gsplat/gsplat-compressed-data.js b/src/scene/gsplat/gsplat-compressed-data.js
@@ -231,17 +231,9 @@ class GSplatCompressedData {
 
         const iter = this.createIter(p, r, s, c);
 
-        // the compressed data is stored "right way up" so must
-        // be flipped upside down during decompression to match
-        // uncompressed orientation.
-        const q = new Quat().setFromEulerAngles(0, 0, 180);
-
         for (let i = 0; i < this.numSplats; ++i) {
             iter.read(i);
 
-            q.transformVector(p, p);
-            r.mul2(q, r);
-
             data.x[i] = p.x;
             data.y[i] = p.y;
             data.z[i] = p.z;