66 lines
1.8 KiB
TypeScript
66 lines
1.8 KiB
TypeScript
import { Drawer2D } from './src/drawer2D';
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import React from 'react';
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import ReactDOM from 'react-dom';
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import { MenuBar } from "./src/menu";
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import { TriangleDrawer } from './src/triangle_drawer';
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import {CanvasApp} from "./src/app"
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function findCanvas(){
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const canvas = document.querySelector("canvas");
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if(canvas === null){
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console.error("couldn't find canvas");
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throw new Error("canvas is null");
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}
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return canvas;
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}
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function getGLContext(canvas : HTMLCanvasElement){
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const gl = canvas.getContext("webgl2") as any as WebGL2RenderingContext|null;
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if(gl === null){
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console.error("webgl2 is not supported!");
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throw new Error("webgl2 not supported");
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}
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return gl;
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}
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function setupButton(){
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let toggle = false;
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const button = document.querySelector("#drawer-button") as HTMLDivElement;
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const drawer = document.querySelector("#drawer") as HTMLDivElement;
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button.addEventListener("click",()=>{
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toggle = !toggle;
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if(toggle){
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drawer.style.right = "0px";
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}
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else{
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drawer.style.right = "";
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}
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});
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}
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function main(){
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setupButton();
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const canvas = findCanvas();
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const gl = getGLContext(canvas);
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const app = new CanvasApp(gl);
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if(!app.intialize()){
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console.log("app initialize failed!!!");
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return;
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}
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ReactDOM.render(<MenuBar u={app.getDefaultUniform()}
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onUniformChange={(u)=>{app.onChangeUniform(u);
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}} />
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,document.getElementById("drawer"));
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window.addEventListener("resize",(e)=>{
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e.preventDefault();
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canvas.width = document.body.clientWidth;
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canvas.height = document.body.clientHeight;
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});
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canvas.width = document.body.clientWidth;
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canvas.height = document.body.clientHeight;
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app.startRun();
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app.startDraw();
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}
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main(); |