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This commit is contained in:
Andreas Sundquist
2025-07-19 22:33:03 -07:00
committed by Andreas Sundquist
parent a5f9ca4813
commit df6b1d8f4a
4 changed files with 43 additions and 6 deletions
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src/SparkRenderer.ts
+5
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@@ -390,6 +390,8 @@ export class SparkRenderer extends THREE.Mesh {
maxPixelRadius: { value: 512.0 },
// Minimum alpha value for splat rendering
minAlpha: { value: 0.5 * (1.0 / 255.0) },
// Enable stochastic splat rendering
stochastic: { value: false },
// Enable interpreting 0-thickness Gsplats as 2DGS
enable2DGS: { value: false },
// Add to projected 2D splat covariance diagonal (thickens and brightens)
@@ -565,6 +567,7 @@ export class SparkRenderer extends THREE.Mesh {
this.uniforms.maxStdDev.value = this.maxStdDev;
this.uniforms.maxPixelRadius.value = this.maxPixelRadius;
this.uniforms.minAlpha.value = this.minAlpha;
this.uniforms.stochastic.value = viewpoint.stochastic;
this.uniforms.enable2DGS.value = this.enable2DGS;
this.uniforms.preBlurAmount.value = this.preBlurAmount;
this.uniforms.blurAmount.value = this.blurAmount;
@@ -633,6 +636,8 @@ export class SparkRenderer extends THREE.Mesh {
accumulator.splats.splatEncoding?.lnScaleMax ?? LN_SCALE_MAX,
);
this.geometry = geometry;
this.material.transparent = !this.viewpoint.stochastic;
this.material.depthWrite = this.viewpoint.stochastic;
} else {
// No Gsplats to display for this viewpoint yet
this.uniforms.numSplats.value = 0;