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Optimize water reflection rendering with time-based updates

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Victor Giers
2026-04-07 07:13:51 +02:00
parent 49a64b2d9b
commit f65e00b94f
1 changed files with 18 additions and 8 deletions
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26
src/viewport-three/viewport-host.ts
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@@ -3055,6 +3055,7 @@ export class ViewportHost {
}
const reflectionMode = this.getWaterReflectionMode();
const now = performance.now();
for (const binding of this.viewportWaterSurfaceBindings) {
if (
@@ -3085,6 +3086,11 @@ export class ViewportHost {
continue;
}
if (binding.reflectionTextureUniform.value !== null && now - binding.lastReflectionUpdateTime < WATER_REFLECTION_UPDATE_INTERVAL_MS) {
binding.reflectionEnabledUniform.value = 0.36;
continue;
}
const hiddenObjects: Array<{ object: Object3D; visible: boolean }> = [];
const hideObject = (object: Object3D | null | undefined) => {
if (object === null || object === undefined) {
@@ -3131,19 +3137,23 @@ export class ViewportHost {
const previousAutoClear = this.renderer.autoClear;
const previousRenderTarget = this.renderer.getRenderTarget();
this.renderer.autoClear = true;
this.renderer.setRenderTarget(binding.reflectionRenderTarget);
this.renderer.clear();
this.renderer.render(this.scene, this.waterReflectionCamera);
this.renderer.setRenderTarget(previousRenderTarget);
this.renderer.autoClear = previousAutoClear;
try {
this.renderer.autoClear = true;
this.renderer.setRenderTarget(binding.reflectionRenderTarget);
this.renderer.clear();
this.renderer.render(this.scene, this.waterReflectionCamera);
} finally {
this.renderer.setRenderTarget(previousRenderTarget);
this.renderer.autoClear = previousAutoClear;
for (const hiddenObject of hiddenObjects) {
hiddenObject.object.visible = hiddenObject.visible;
for (const hiddenObject of hiddenObjects) {
hiddenObject.object.visible = hiddenObject.visible;
}
}
binding.reflectionTextureUniform.value = binding.reflectionRenderTarget.texture;
binding.reflectionEnabledUniform.value = 0.36;
binding.lastReflectionUpdateTime = now;
}
}