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Add minimal dungeon drawing code

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This commit is contained in:
schmelczerandras 2020-07-18 14:23:04 +02:00
parent 00bde7a283
commit 29c6b14440
11 changed files with 352 additions and 111 deletions
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25
frontend/src/scripting/drawing/renderer.ts
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@ -1,11 +1,15 @@
import * as twgl from 'twgl.js';
import { TimeIt } from '../helper/timing';
import { KeyboardListener } from '../helper/keyboard-listener';
import { Vec2 } from '../shared/vec2';
export class Renderer {
private gl: WebGL2RenderingContext;
private programInfo: any;
private bufferInfo: any;
private vao: any;
private cameraPosition: Vec2 = { x: 0, y: 0 };
private keys: KeyboardListener = new KeyboardListener();
constructor(private canvas: HTMLCanvasElement, shaderSources: Array<string>) {
twgl.setDefaults({ attribPrefix: 'a_' });
@ -49,9 +53,26 @@ export class Renderer {
gl.clear(gl.COLOR_BUFFER_BIT);
if (this.keys.isKeyDown('w')) {
this.cameraPosition.y += 10;
}
if (this.keys.isKeyDown('s')) {
this.cameraPosition.y -= 10;
}
if (this.keys.isKeyDown('a')) {
this.cameraPosition.x -= 10;
}
if (this.keys.isKeyDown('d')) {
this.cameraPosition.x += 10;
}
const uniforms = {
/*time: time * 0.001,
resolution: [this.gl.canvas.width, this.gl.canvas.height],*/
cameraPosition: [this.cameraPosition.x, this.cameraPosition.y],
viewBoxSize: [this.gl.canvas.width, this.gl.canvas.height],
resolution: [this.gl.canvas.width, this.gl.canvas.height],
};
this.gl.useProgram(this.programInfo.program);