GCanvas/node/examples/webgl/glclearColor.js

16 lines
489 B
JavaScript

const { createCanvas, Image } = require('../../export')
const fs = require('fs')
const path = require('path');
const out = fs.createWriteStream(path.join(__dirname, "..","..")+ '/clearcolor.png');
const canvas = createCanvas(400, 400);
var gl = canvas.getContext("webgl");
gl.viewport(0,0,canvas.width,canvas.height);
gl.clearColor(1.0, 0.5, 0.5, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
var stream = canvas.createPNGStream();
stream.on('data', function (chunk) {
out.write(chunk);
});