JavaScript，兑现俄罗斯方块-JavaSript-爱易网页

JavaScript，兑现俄罗斯方块

日期：2014-05-16　浏览次数：20502 次
JavaScript，实现俄罗斯方块
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>俄罗斯方块</title>
<style type="text/css">
	body{ width:530px; background:#F7F7F7; margin:20px auto}
	table#gameBoard{ border:1px solid black; border-collapse: collapse; float:left;}
	table#gameBoard td{ width:30px; height:30px; border: 1px dotted #0cc;}
	div#gameControl{ widows:160; float:right; height: 200px;; line-height: 200px;}
	.font{ font-family:'微软雅黑'; font-size:18px; text-align:center;}
	div input { width: 60px; height:25px; }

</style>
<script type="text/javascript">
	

	var T = TETRIS = {
		aBoardGrids : [],
		aShapes: [
			[0xCC00], 
			[0x8888, 0xF00], 
			[0x8C40, 0x6C00], 
			[0x4C80, 0xC600], 
			[0x44C0, 0x8E00, 0xC880, 0xE200], 
			[0x88C0, 0xE800, 0xC440, 0x2E00], 
			[0x4E00, 0x8C80, 0xE400, 0x4C40]
		],																		//代表所有方块的形状数
		init : function(){
			this.oDomBoard = document.getElementById("gameBoard");
			this.oDomScore = document.getElementById("score");
			this.aBoardGrids = new Array(18);
			for (var rows = 0 ; rows < 18 ; rows++){
				this.aBoardGrids[rows] = new Array(10);
				var oDomTr = this.oDomBoard.insertRow(-1);
				for	(var cols = 0 ; cols < 10 ; cols++){
					this.aBoardGrids[rows][cols] = 0;
					oDomTr.insertCell(cols);
				}
			}

			document.onkeydown = function(keyEvent){
				keyEvent = keyEvent || window.event;
				var ikeyNum = keyEvent.which || keyEvent.keyCode;
				switch(ikeyNum){
					case 37://←
						T.oBlock.move("left");
						break;
					case 38://↑	
						T.oBlock.rotate((function (){
							var vShape 		= T.aShapes[T.iShapeIdx][ (++T.index)%T.aShapes[T.iShapeIdx].length];
							var sShape 		= vShape.toString(2);								
							sShape 			= new Array(17 - sShape.length).join(0) + sShape;	
							T.matrix		= sShape.match(/\d{4}/g);	
							return T.matrix;
						})());	//变形
						break;
					case 39://→
						T.oBlock.move("right");
						break;
					case 40://↓
						T.oBlock.move("down");
						break;
				}
			}
		},
		next : function (){
			
			this.iShapeIdx 	= parseInt(Math.random() * this.aShapes.length);
			this.index 		= 0;
			var vShape 		= this.aShapes[this.iShapeIdx][this.index];
			var sShape 		= vShape.toString(2);								//将16进制转换为二进制
			sShape 			= new Array(17 - sShape.length).join(0) + sShape;	//不够16位，在前面用0补全 
			this.matrix		= sShape.match(/\d{4}/g);							//利用正则表达式匹配

			this.oBlock = new TETRIS.Block(this.matrix);
					
			clearInterval(T.timer);
			//注册定时器
			T.timer = setInterval(function (){
				T.oBlock.move("down");
			}, 1000);
			
			
			if( !T.oBlock.checkBlock() ){
				alert("Game Over~");
				clearInterval(T.timer);
			
			}
			
		},
		updateBoard : function (){		//更新面板
			for(var i = 0 ; i < 4 ; i++){
				this.aBoardGrids[T.oBlock.shape[i].y][T.oBlock.shape[i].x] = 1;
			}
		},
		eraseLines : function (){
			var iLines = 0;
			for(var j = 17 ; j >= 0 ; j--){
				var num = 0;
				for(var i = 0 ; i< 10 ; i++){
					if(this.aBoardGrids[j][i] == 1)
						num ++;
				}
				if(num == 10){
					iLines ++;
					for(var m = 0 ; m < i ; m++){
						for(var n = j ; n > 0 ; n--){
							this.aBoardGrids[n][m] = this.aBoardGrids[n-1][m];
							T.oDomBoard.rows[n].cells[m].style.background = T.oDomBoard.rows[n-1].cells[m].style.background;
						}
						this.aBoardGrids[0][m] = 0;
					}
					j++;
				}
			}
			return iLines;
		},
		setScore : function (iLines){
			var iScore = parseInt(this.oDomScore.innerHTML);
			if(iLines == 1){
				iScore += 100;
			} else if(iLines == 2){
				iScore += 300;
			} else if(iLines == 3){
				iScore


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JavaScript， 兑现俄罗斯方块

JavaScript，兑现俄罗斯方块
