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Nawaf Nadi

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  • تاريخ آخر زيارة

أجوبة بواسطة Nawaf Nadi

  1.  var c = document.getElementById("c");
    var ctx = c.getContext("2d");
    
    //making the canvas full screen
    c.height = window.innerHeight;
    c.width = window.innerWidth;
    
    //chinese characters - taken from the unicode charset
    var chinese = "abcdefghijklmnoqrstuvwxyz!@#$";
    //converting the string into an array of single characters
    chinese = chinese.split("");
    
    var font_size = 20;
    var columns = c.width/font_size; //number of columns for the rain
    //an array of drops - one per column
    var drops = [];
    //x below is the x coordinate
    //1 = y co-ordinate of the drop(same for every drop initially)
    for(var x = 0; x < columns; x++)
        drops[x] = 1; 
    
    //drawing the characters
    
    function draw()
    {  
        //Black BG for the canvas
        //translucent BG to show trail
    
        ctx.fillStyle = "rgba(0, 0, 0, 0.05)";
        ctx.fillRect(0, 0, c.width, c.height);
        
        ctx.fillStyle = "#0F0"; //green text
        ctx.font = font_size + "px arial";
    }
    
        //looping over drops
        for(var i = 0; i < drops.length; i++)
        {
            
            //a random chinese character to print
            var text = chinese[Math.floor(Math.random()*chinese.length)];
            //x = i*font_size, y = value of drops[i]*font_size
            ctx.fillText(text, i*font_size, drops[i]*font_size);
            
            //sending the drop back to the top randomly after it has crossed the screen
            //adding a randomness to the reset to make the drops scattered on the Y axis
            if(drops[i]*font_size > c.height && Math.random() > 0.975)
                drops[i] = 0;
            
            //incrementing Y coordinate
            drops[i]++;
        }
    }
    
    setInterval(draw, 33);

    الخلفيه الي ورا سودا ابي اضيف صوره بداله وابي الحروف الي تتساقط ماترجع تتكرر 

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