phaser/examples/wip/bmd3.js
2013-11-17 04:33:16 +00:00

74 lines
1.8 KiB
JavaScript

var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update, render: render });
function preload() {
game.load.image('atari1', 'assets/sprites/atari130xe.png');
}
var bmd;
var img;
function create() {
var canvas = Phaser.Canvas.create(800, 600);
var context = canvas.getContext('2d');
context.drawImage(game.cache.getImage('atari1'), 0, 0);
img = context.getImageData(0, 0, 800, 600);
var data8 = new Uint8ClampedArray(img.data.buffer);
var data32 = new Uint32Array(img.data.buffer);
context.drawImage(game.cache.getImage('atari1'), 32, 50);
img = context.getImageData(0, 0, 800, 600);
// console.log(data32[y * 800 + x]);
var alpha = 255;
var blue = 50;
var red = 50;
var green = 100;
for (var y = 0; y < 100; y++)
{
for (var x = 0; x < 250; x++)
{
// var value = x * y & 0xff;
// console.log(data32[y * 800 + x]);
// data32[((y + 100) * 800) + x] = 0;
// data32[y * 800 + x] = (alpha << 24) | (blue << 16) | (green << 8) | red;;
// data32[y * 800 + x] = (red << 24) | (green << 16) | (blue << 8) | alpha;
data32[y * 800 + (x + 300)] = data32[y * 800 + x];
}
}
// if (this.isLittleEndian)
// {
// this.data32[y * this.width + x] = (alpha << 24) | (blue << 16) | (green << 8) | red;
// }
// else
// {
// this.data32[y * this.width + x] = (red << 24) | (green << 16) | (blue << 8) | alpha;
// }
img.data.set(data8);
context.putImageData(img, 0, 0);
document.getElementById('phaser-example').appendChild(canvas);
}
function update() {
}
function render() {
}