Shunping Han

http://blog.csdn.net/wenximalong/

....................................................................

material

mario.css

.gamediv{
	width: 500px;
	height: 400px;
	background-color: pink;
}

/*Table style*/
.controlcenter{
	width: 200px;
	height: 200px;
	border: 1px solid red;
}

mario.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
	<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
	<link rel="stylesheet" type="text/css" href="mario.css" />
	<head>
		<script language="javascript">
			//Design Mario class
			function Mario(){
				this.x=0;
				this.y=0;

				//move clockwise 0->up 1->right 2->down 3->left
				this.move=function(direct){
					switch(direct){
						case 1:
							//window.alert("mario move right");
							//Here in order to change the left and top of img, we need to get the img element. DOM programming using javascript is required. img object
							var mymario=document.getElementById('mymario');
							//Remove the top value of img
							//window.alert(mymario.style.top);

							//How to remove 50px px
							var top=mymario.style.top;
							//px occupies two, ie lenght-2
							//window.alert(top.substr(0,top.length-2));

							//It's still a string now, it needs to be converted to a value to add or subtract
							top=parseInt(top.substr(0,top.length-2));
							//window.alert(top);

							mymario.style.top=(top+2)+"px"; //Start to move 2px, see how to splicing, conversion between strings and values
							//At this point, mario can move down, and comment out the above print and debug output code
							break;
					}
				}
			}

			//Create Mario object
			var mario = new Mario ();

			// global function
			function marioMove(direct){
				switch(direct){
					case 1:
						mario.move(direct);
						break;
					case 0:
						break;
					case 2:
						break;
					case 3:
						break;
				}
			}
		</script>
	</head>
	<body>
		<div class="gamediv">
			<img id="mymario" src="mario.jpg" >
Ask again:
(1) Mario touches the boundary to give a hint
(2) Mario can find another object, such as a mushroom

Han Shunping_php from entry to master_video tutorial_study notes_source code illustration

Detailed page: http://www.verydemo.com/demo_c98_i22748.html

Shunping Han

Guess you like