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HTML5 - Beginners - CreateMultidimensionalArray.html
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HTML5 - Beginners - CreateMultidimensionalArray.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width" />
</head>
<body bgcolor="black">
<div id="test"></div>
<style>#myCanvas {touch-action: none;}</style>
<canvas id="myCanvas" width="320" height="240" style="border:0px solid #d3d3d3;">
Use different browser.
</canvas>
<script>
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
var mapwidth = 100;
var mapheight = 100;
//var tilewidth = Math.floor(myCanvas.width/mapwidth)+1;
//var tileheight = Math.floor(myCanvas.height/mapheight)+1;
map = [];
for(var i=0;i<mapwidth;i++){
map[i] = new Array();
for(var j=0;j<mapheight;j++){
map[i][j]=0;
}
}
map[10][10]=50;
gameloop=setInterval(doGameLoop,16);
function doGameLoop(){
myCanvas.height = window.innerHeight-32;
myCanvas.width = window.innerWidth-32;
tilewidth = Math.floor(myCanvas.width/mapwidth)+1;
tileheight = Math.floor(myCanvas.height/mapheight)+1;
ctx.fillStyle="rgb(0,0,0)";
ctx.fillRect(0,0,c.width,c.height);
for(var y=0;y<mapheight;y++){
for(var x=0;x<mapwidth;x++){
var col=map[x][y];
ctx.fillStyle="rgb("+col+","+col+","+col+")";
ctx.fillRect(x*tilewidth,y*tileheight,tilewidth,tileheight);
}}
ctx.fillStyle="rgb(255,255,255)";
ctx.fillText("Javascript Html canvas example.",10,10);
}
</script>
</body>
</html>