https://github.com/kotone/ball.git 这是代码地址
http://htmlpreview.github.io/?https://github.com/kotone/bugRepository/blob/master/c-1.html 这是页面,50个小球的运动,简直就是混乱不堪。还请dalao帮忙看下问题在哪。
Document
<script type="text/javascript">
var ctx;
var canvas;
const colors=["#F70A30","#F3118C","#AF14EF","#1915EA","#0FE7D3","#2BDE3D","#DEDC24","#E4991B"];
var ball=[];
window.onload=function(){
canvas = document.getElementById("canvas");
ctx = canvas.getContext("2d");
canvas.width=600;
canvas.height=600;
for (var i = 0; i =canvas.height-ball.r){
ball.y=canvas.height-ball.r;
ball.vy= -ball.vy;
}
//上
if(ball.y=canvas.width-ball.r){
ball.x=canvas.width-ball.r;
ball.vx= -ball.vx;
}
//右
if(ball.x |