Monday, May 9, 2016

HTML5 - Beginners - clearRect x,y,w,h example 

<!DOCTYPE = html>
<html><body>
<canvas id="myCanvas" width="640" height="480" style="border:1px solid #d3d3d3;">
Use different browser.
</canvas>
<script>
    var c=document.getElementById("myCanvas");
    var ctx=c.getContext("2d");
    
    function thegame(){
        this.clearscreen = function(){
            ctx.clearRect(0,0,c.width,c.height);
        }
    }
    
    var mygame = new thegame();
    gameloop=setInterval(dogameloop,16);
    function dogameloop(){
        thegame.clearscreen;
        ctx.fillStyle="black";
        ctx.font="30px Arial";
        ctx.fillText("Screen cleared every draw",10,30);
    }    
</script></body></html>
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