playcanvas/build/playcanvas/src/scene/batching/batch.js

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

import { BoundingBox } from "../../core/shape/bounding-box.js";
class Batch {
	_aabb = new BoundingBox();
	origMeshInstances;
	meshInstance = null;
	dynamic;
	batchGroupId;
	constructor(meshInstances, dynamic, batchGroupId) {
		this.origMeshInstances = meshInstances;
		this.dynamic = dynamic;
		this.batchGroupId = batchGroupId;
	}
	destroy(scene, layers) {
		if (this.meshInstance) {
			this.removeFromLayers(scene, layers);
			this.meshInstance.destroy();
			this.meshInstance = null;
		}
	}
	addToLayers(scene, layers) {
		for (let i = 0; i < layers.length; i++) {
			const layer = scene.layers.getLayerById(layers[i]);
			if (layer) {
				layer.addMeshInstances([this.meshInstance]);
			}
		}
	}
	removeFromLayers(scene, layers) {
		for (let i = 0; i < layers.length; i++) {
			const layer = scene.layers.getLayerById(layers[i]);
			if (layer) {
				layer.removeMeshInstances([this.meshInstance]);
			}
		}
	}
	// Updates bounding box for a batch
	updateBoundingBox() {
		this._aabb.copy(this.origMeshInstances[0].aabb);
		for (let i = 1; i < this.origMeshInstances.length; i++) {
			this._aabb.add(this.origMeshInstances[i].aabb);
		}
		this.meshInstance.aabb = this._aabb;
		this.meshInstance._aabbVer = 0;
	}
	get model() {
		return void 0;
	}
}
export {
	Batch
};