Posted in Javascript onOctober 28, 2019
本文实例为大家分享了js坦克移动的具体代码,供大家参考,具体内容如下
先看看,js超简单实现图片旋转:
var current = 180;//需要反转的角度 tank.style.transform = 'rotate('+current+'deg)';//在style里的transform赋值'rotate('+current+'deg)'
?附:简易的小坦克移动js小游戏
(注:键盘上的上下左右键 键值分别是37、38、39、40)
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <div id='container'> <img src="tank.png" alt="" id='tank'> </div> </body> <script> container.style="width:1000px;height:800px;border:3px solid;"; tank.style="width:200px;height:200px;position:relative;top:0px;left:0px;" document.body.onkeydown=function(){ var current = 0; var top = parseInt(tank.style.top); var left = parseInt(tank.style.left); var code = event.keyCode; if(code == 37) { current = 180; tank.style.transform = 'rotate('+current+'deg)'; if(left <= 0) { alert("您已经到最左边了!"); } else{ tank.style.left = (left-10) +"px"; } } if(code == 38) { current =270; tank.style.transform = 'rotate('+current+'deg)'; if(top <= 0) { alert("您已经到最上边了!"); } else{ tank.style.top = (top-10) +"px"; } } if(code == 39) { current = 0; tank.style.transform = 'rotate('+current+'deg)'; if(left+parseInt(tank.width)+6 >= 1000) { alert("您已经到最右边了!"); } else{ tank.style.left = (left+10) +"px"; } } if(code == 40) { current = 90; tank.style.transform = 'rotate('+current+'deg)'; if(top+parseInt(tank.width)+6 >= 800) { alert("您已经到最下边了!"); } else{ tank.style.top = (top+10) +"px"; } } } </script> </html>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持三水点靠木。
js实现坦克移动小游戏
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