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HTML5 - Beginners - Copy array.html
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HTML5 - Beginners - Copy array.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width" />
</head>
<body>
<div id="test"></div>
<canvas id="myCanvas" width="320" height="240" style="border:1px solid #d3d3d3;">
Use different browser.
</canvas>
<script>
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var map = [
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1],
[1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1],
[0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,0,0],
[0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1],
]
var map2 = [];
// Copy an array and make it a copy
// that you can modify without modifying\
// the original.
for (var i = 0; i < map.length; i++)
map2[i] = map[i].slice();
// create new array and copy this array into it (all fields) (new)
//var map2 = JSON.parse(JSON.stringify(map));
gameloop=setInterval(doGameLoop,16);
function doGameLoop(){
myCanvas.height = window.innerHeight-32;
myCanvas.width = window.innerWidth-32;
ctx.fillStyle="rgb(0,0,0)";
ctx.fillRect(0,0,c.width,c.height);
ctx.fillStyle="rgb(255,255,255)";
ctx.fillText("Javascript Html canvas example.",10,10);
}
</script>
</body>
</html>