playcanvas/build/playcanvas/src/scene/gsplat-unified/gsplat-octree-node.js

Open-source WebGL/WebGPU 3D engine for the web

import { BoundingBox } from '../../core/shape/bounding-box.js';
import { Vec3 } from '../../core/math/vec3.js';
import { Vec4 } from '../../core/math/vec4.js';

const tmpMin = new Vec3();
const tmpMax = new Vec3();
class GSplatOctreeNode {
		constructor(lods, boundData){
				this.bounds = new BoundingBox();
				this.boundingSphere = new Vec4();
				this.lods = lods;
				tmpMin.set(boundData.min[0], boundData.min[1], boundData.min[2]);
				tmpMax.set(boundData.max[0], boundData.max[1], boundData.max[2]);
				this.bounds.setMinMax(tmpMin, tmpMax);
				const center = this.bounds.center;
				const he = this.bounds.halfExtents;
				const radius = Math.sqrt(he.x * he.x + he.y * he.y + he.z * he.z);
				this.boundingSphere.set(center.x, center.y, center.z, radius);
		}
}

export { GSplatOctreeNode };