66 lines
1.9 KiB
TypeScript
66 lines
1.9 KiB
TypeScript
import { Renderer2D } from './src/renderer';
|
|
|
|
import React from 'react';
|
|
import ReactDOM from 'react-dom';
|
|
|
|
import { MenuBar } from "./src/menu";
|
|
import { TriangleRenderer } from './src/triangle_renderer';
|
|
import {CanvasApp} from "./src/app"
|
|
|
|
function findCanvas(){
|
|
const canvas = document.querySelector("canvas");
|
|
if(canvas === null){
|
|
console.error("couldn't find canvas");
|
|
throw new Error("canvas is null");
|
|
}
|
|
return canvas;
|
|
}
|
|
|
|
function getGLContext(canvas : HTMLCanvasElement){
|
|
const gl = canvas.getContext("webgl2") as any as WebGL2RenderingContext|null;
|
|
if(gl === null){
|
|
console.error("webgl2 is not supported!");
|
|
throw new Error("webgl2 not supported");
|
|
}
|
|
return gl;
|
|
}
|
|
|
|
function setupButton(){
|
|
let toggle = false;
|
|
const button = document.querySelector("#drawer-button") as HTMLDivElement;
|
|
const drawer = document.querySelector("#drawer") as HTMLDivElement;
|
|
button.addEventListener("click",()=>{
|
|
toggle = !toggle;
|
|
if(toggle){
|
|
drawer.style.right = "0px";
|
|
}
|
|
else{
|
|
drawer.style.right = "";
|
|
}
|
|
});
|
|
}
|
|
|
|
function main(){
|
|
setupButton();
|
|
const canvas = findCanvas();
|
|
const gl = getGLContext(canvas);
|
|
const app = new CanvasApp(gl);
|
|
if(!app.intialize()){
|
|
console.log("app initialize failed!!!");
|
|
return;
|
|
}
|
|
ReactDOM.render(<MenuBar u={app.renderer.uniforms}
|
|
onUniformChange={(u)=>{app.renderer.setUniform(u);
|
|
}} />
|
|
,document.getElementById("drawer"));
|
|
window.addEventListener("resize",(e)=>{
|
|
e.preventDefault();
|
|
canvas.width = document.body.clientWidth;
|
|
canvas.height = document.body.clientHeight;
|
|
});
|
|
canvas.width = document.body.clientWidth;
|
|
canvas.height = document.body.clientHeight;
|
|
app.startRun();
|
|
app.startDraw();
|
|
}
|
|
main(); |