BlueMapWeb/src/map/TileMap.js

57 lines
1.5 KiB
JavaScript

import {ClampToEdgeWrapping, LinearFilter, Texture} from "three";
export class TileMap {
static EMPTY = "#000";
static LOADED = "#fff";
/**
* @param width {number}
* @param height {number}
*/
constructor(width, height) {
this.canvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas');
this.canvas.width = width;
this.canvas.height = height;
/**
* @type CanvasRenderingContext2D
*/
this.tileMapContext = this.canvas.getContext('2d', {
alpha: false,
willReadFrequently: true,
});
this.texture = new Texture(this.canvas);
this.texture.generateMipmaps = false;
this.texture.magFilter = LinearFilter;
this.texture.minFilter = LinearFilter;
this.texture.wrapS = ClampToEdgeWrapping;
this.texture.wrapT = ClampToEdgeWrapping;
this.texture.flipY = false;
this.texture.needsUpdate = true;
}
/**
* @param state {string}
*/
setAll(state) {
this.tileMapContext.fillStyle = state;
this.tileMapContext.fillRect(0, 0, this.canvas.width, this.canvas.height);
this.texture.needsUpdate = true;
}
/**
* @param x {number}
* @param z {number}
* @param state {string}
*/
setTile(x, z, state) {
this.tileMapContext.fillStyle = state;
this.tileMapContext.fillRect(x, z, 1, 1);
this.texture.needsUpdate = true;
}
}