ColorGame/colorGame.html at master · monur/ColorGame · GitHub

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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Piksel</title>
<script type="text/javascript">

window.addEventListener('load', eventWindowLoaded, false);
function eventWindowLoaded() {
   canvasApp();
}

function canvasSupport () {
     return true;
}

var screenWidth = 20; //number of blocks in a row
var screenHeight = 20; //number of block in a column
var map = new map();
var screenSize = screenWidth * screenHeight;

function canvasApp(){
if (!canvasSupport()) {
          return;
     }else{
        restart();
   }
}

function box(color, x ,y){
	this.color = color;
	this.width = 20;
	this.height = 20;
	this.x = x;
	this.y = y;
	this.active = false;

	this.draw = function(context){
		if(this.color == 1)
			context.fillStyle = '#ff0000';
		else if(this.color == 2)
			context.fillStyle = '#00ff00';
		else if(this.color == 3)
			context.fillStyle = '#0000ff';
		else if(this.color == 4)
			context.fillStyle = '#ff00ff';
		else if(this.color == 5)
			context.fillStyle = '#ffff00';
		else if(this.color == 6)
			context.fillStyle = '#00ffff';
		context.fillRect(x*this.width, y*this.height, this.width, this.height);
        if(this.active){
    		context.fillStyle = '#000000';
    	    context.fillRect(x*this.width+8, y*this.height+8, 2, 2);
        }
	}
}

function map(){
	this.step = 0;
	this.mapArray = new Array(screenWidth);
    this.isGameOn = true;
	this.initialize = function(){
		this.step = 0;
        this.isGameOn = true;
		for(var i = 0; i < screenWidth; i++){
			this.mapArray[i] = new Array(screenHeight);
			for(var j = 0; j < screenHeight; j++){
				this.mapArray[i][j] = new box(Math.floor(Math.random()*6)+1, i, j);
			}
		}
		this.mapArray[0][0].active = true;
        this.checkNeighbours(this.mapArray[0][0].color, 0, 0);
	}

	this.draw = function(){
		console.log('drawing...');
		var theCanvas = document.getElementById("canvas");
		var context = theCanvas.getContext("2d");
		context.clearRect(0, 0, 500, 600);
		for(var i = 0; i < screenWidth; i++){
			for(var j = 0; j < screenHeight; j++){
				var box = this.mapArray[i][j];
				box.draw(context);
			}
		}
		var stepDiv = document.getElementById("step");
		stepDiv.innerHTML = 'Step = ' + this.step;
	}

	this.changeActiveColor = function(color){
        if(this.isGameOn){
            var activeBoxCount = 0;
            for(var i = 0; i < screenWidth; i++){
    			for(var j = 0; j < screenHeight; j++){
    				var box = this.mapArray[i][j];
    				if(box.active){
    					this.checkNeighbours(color, i, j);
    				}
    			}
    		}
    		for(var i = 0; i < screenWidth; i++){
    			for(var j = 0; j < screenHeight; j++){
    				var box = this.mapArray[i][j];
    				if(box.active){
    					box.color = color;
                        activeBoxCount++;
    				}
    			}
    		}
    		this.step++;
    		this.draw();
            if(activeBoxCount == screenSize){
                this.endGame();
            }
        }
	}

    this.endGame = function(){
        var statusDiv = document.getElementById("gameStatus");
        statusDiv.innerHTML = 'Game Over';
        this.isGameOn = false;
    }

	this.checkNeighbours = function(color, x, y){
		if(x > 0){
			if(this.mapArray[x-1][y].color == color){
                if(!this.mapArray[x-1][y].active){
				    this.mapArray[x-1][y].active = true;
                    this.checkNeighbours(color, x-1, y);
                }
			}
		}
		if(x < screenWidth-1){
			if(this.mapArray[x+1][y].color == color){
                if(!this.mapArray[x+1][y].active){
    			    this.mapArray[x+1][y].active = true;
                    this.checkNeighbours(color, x+1, y);
                }
			}
		}
		if(y > 0){
			if(this.mapArray[x][y-1].color == color){
                if(!this.mapArray[x][y-1].active){
    			    this.mapArray[x][y-1].active = true;
                    this.checkNeighbours(color, x, y-1);
                }
			}
		}
		if(y < screenHeight-1){
			if(this.mapArray[x][y+1].color == color){
                if(!this.mapArray[x][y+1].active){
    			    this.mapArray[x][y+1].active = true;
                    this.checkNeighbours(color, x, y+1);
                }
			}
		}
	}
}

function clickColor(colorCode){
	map.changeActiveColor(colorCode);
}

function restart(){
    var statusDiv = document.getElementById("gameStatus");
    statusDiv.innerHTML = '';
	map.initialize();
	map.draw();
}
</script>
</head>
<body>
<div>
<input type="button" value="New Game" onclick="javascript:restart()" />
</div>
<div id="gameStatus" style="color:#ff2222; font-size:16px; font-family:comic-sans;">
</div>
<div id="step">
Step = 0
</div>
<div style="top: 50px; left: 50px;">
<canvas id="canvas" width="500" height="400">
 Your browser does not support HTML5 Canvas.
</canvas>
</div>
<div>
<input type="button" onclick="javascript:clickColor(1)" style="background-color:#ff0000; width:60px; height:60px" />
<input type="button" onclick="javascript:clickColor(2)" style="background-color:#00ff00; width:60px; height:60px" />
<input type="button" onclick="javascript:clickColor(3)" style="background-color:#0000ff; width:60px; height:60px" />
<input type="button" onclick="javascript:clickColor(4)" style="background-color:#ff00ff; width:60px; height:60px" />
<input type="button" onclick="javascript:clickColor(5)" style="background-color:#ffff00; width:60px; height:60px" />
<input type="button" onclick="javascript:clickColor(6)" style="background-color:#00ffff; width:60px; height:60px" />
</div>
</body>
</html>