first commit

src/objects/PetDepthMesh.ts

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+import * as THREE from 'three';
+import vertexShader from '../shaders/petDepth.vert?raw';
+import fragmentShader from '../shaders/petDepth.frag?raw';
+
+export class PetDepthMesh extends THREE.Mesh<THREE.BufferGeometry, THREE.ShaderMaterial> {
+  constructor(texture: THREE.Texture, depthMap: THREE.Texture, depthScale = 0.25, depthBias = 0) {
+    const geometry = new THREE.PlaneGeometry(1, 1, 128, 128);
+    const uniforms = {
+      uTexture: { value: texture },
+      uDepthMap: { value: depthMap },
+      uDepthScale: { value: THREE.MathUtils.clamp(depthScale, 0, 0.4) },
+      uDepthBias: { value: depthBias },
+      uIsVideo: { value: false },
+    };
+    const material = new THREE.ShaderMaterial({ uniforms, vertexShader, fragmentShader });
+    super(geometry, material);
+  }
+
+  setTexture(texture: THREE.Texture): void { this.material.uniforms.uTexture.value = texture; }
+  setDepthMap(depthMap: THREE.Texture): void { this.material.uniforms.uDepthMap.value = depthMap; }
+  setDepthScale(scale: number): void { this.material.uniforms.uDepthScale.value = THREE.MathUtils.clamp(scale, 0, 0.4); }
+  setVideo(isVideo: boolean): void { this.material.uniforms.uIsVideo.value = isVideo; }
+  get depthMap(): THREE.Texture { return this.material.uniforms.uDepthMap.value; }
+}