59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
import {pathFromCoords} from "../util/Utils";
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import {BufferGeometryLoader, FileLoader, Mesh} from "three";
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export class TileLoader {
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/**
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* @param tilePath {string}
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* @param material {THREE.Material | THREE.Material[]}
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* @param tileSettings {{
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* tileSize: {x: number, z: number},
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* scale: {x: number, z: number},
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* translate: {x: number, z: number}
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* }}
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* @param layer {number}
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*/
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constructor(tilePath, material, tileSettings, layer = 0) {
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Object.defineProperty( this, 'isTileLoader', { value: true } );
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this.tilePath = tilePath;
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this.material = material;
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this.tileSettings = tileSettings;
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this.layer = layer;
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this.fileLoader = new FileLoader();
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this.fileLoader.setResponseType('json');
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this.bufferGeometryLoader = new BufferGeometryLoader();
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}
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load = (tileX, tileZ) => {
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return new Promise((resolve, reject) => {
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this.fileLoader.load(this.tilePath + pathFromCoords(tileX, tileZ) + '.json',
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geometryJson => {
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if (!geometryJson.type || geometryJson.type !== 'BufferGeometry') reject({status: "empty"});
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let geometry = this.bufferGeometryLoader.parse(geometryJson);
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let object = new Mesh(geometry, this.material);
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if (this.layer) object.layers.set(this.layer);
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let tileSize = this.tileSettings.tileSize;
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let translate = this.tileSettings.translate;
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let scale = this.tileSettings.scale;
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object.position.set(tileX * tileSize.x + translate.x, 0, tileZ * tileSize.z + translate.z);
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object.scale.set(scale.x, 1, scale.z);
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object.updateMatrixWorld(true);
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resolve(object);
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},
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() => {},
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reject
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);
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});
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}
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}
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