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html5模拟3d掷骰子代码如下：
1 !DOCTYPE
2 html
3 title柯乐义/title
4 head
5 script
6 var leftX = 150;
7 var topY = 100;
8 var diceX = 80;
9 var diceY = 80;
10 var dotR = 4;
11 var count = 0;
12 var lastNum = 0;
13 var flag = false;
14
15 function clickMe() {
16 count = 0;
17 if(flag) {
18 return false;
19 }
20 flag = true;
21 var ctx = document.getElementById("canvas").getContext('2d');
22 ctx.beginPath();
23 //ctx.arc(100,100,50,0,Math.PI,false);
24 ctx.strokeRect(leftX,topY,diceX,diceY);
25
26 setTimeout(function(){
27 random(ctx);
28 },200);
29
30 }
31
32 function drawDice(ctx,randomNum) {
33 ctx.clearRect(leftX,topY,diceX,diceY);
34 switch(randomNum) {
35 case 1:
36 draw1();
37 break;
38 case 2:
39 draw2();
40 break;
41 case 3:
42 draw3();
43 break;
44 case 4:
45 draw4();
46 break;
47 case 5:
48 draw5();
49 break;
50 case 6:
51 draw6();
52 break;
53 }
54 count++;
55 if(count=20) {
56 if(randomNum==6) {
57 alert("哇！你走狗屎运啦，今天可以去买彩票啦");
58 } else if(randomNum =3) {
59 alert("今天运气不太好哦！再试一把");
60 } else {
61 alert("请再接再厉，在来一把");
62 }
63 flag = false;
64 return false;
65 } else {
66 setTimeout(function(){
67 random(ctx);
68 },200-count);
69 }
70 }
71
72 function random(ctx) {
73 var randomNum = Math.floor(Math.random()*6)+1;
74 if(randomNum == lastNum) {
75 random(ctx)
76 } else {
77 lastNum = randomNum;
78 drawDice(ctx,randomNum);
79 }
80
81 }
82
83 function commonDraw(ctx,dotX,dotY) {
84 ctx.beginPath();
85 ctx.arc(dotX,dotY,dotR,0,2*Math.PI,false);
86 ctx.stroke();
87 ctx.fill();
88 }
89
90 function draw1() {
91 var ctx = document.getElementById("canvas").getContext('2d');
92 ctx.fillStyle="#0000ff";
93 var dotX = leftX+diceX/2;
94 var dotY = topY+diceY/2;
95 commonDraw(ctx,dotX,dotY);
96 }
97
98 function draw2() {
99 var ctx = document.getElementById("canvas").getContext('2d');
100 ctx.fillStyle="#99FF66";
101 var dotX = leftX+4*dotR;
102 var dotY = topY+4*dotR;
103 commonDraw(ctx,dotX,dotY);
104 var dotX = leftX+diceX-4*dotR;
105 var dotY = topY+diceY-4*dotR;
106 commonDraw(ctx,dotX,dotY);
107 }
108
109 function draw3() {
110 draw1();
111 draw2();
112 }
113
114 function draw4() {
115 draw2();
116 var ctx = document.getElementById("canvas").getContext('2d');
117 ctx.fillStyle="#99CC00";
118 var dotX = leftX+diceX-4*dotR;
119 var dotY = topY+4*dotR;
120 commonDraw(ctx,dotX,dotY);
121 var dotX = leftX+4*dotR;
122 var dotY = topY+diceY-4*dotR;
123 commonDraw(ctx,dotX,dotY);
124 }
125
126 function draw5(){
127 draw1();
128 draw4();
129 }
130 //
131 function draw6(){
132 var ctx = document.getElementById("canvas").getContext('2d');
133 ctx.fillStyle="#996633";
134 var dotX = leftX+4*dotR;
135 var dotY = topY+diceY/2
136 commonDraw(ctx,dotX,dotY);
137 var dotX = leftX+diceY-4*dotR;
138 commonDraw(ctx,dotX,dotY);
139 draw4();
140 }
141
142 function init() {
143 var ctx = document.getElementById("canvas").getContext('2d');
144 ctx.beginPath();
145 ctx.strokeRect(leftX,topY,diceX,diceY);
146 ctx.stroke();
147 draw6();
148
149 }
150 /script
151 /head
152
153 body onload="init();"
154 canvas id="canvas" width="400" height="300" style="background-color:#CCFFCC"
155 your brower is not support html5
156 /canvas
157
158 input type="button" value="掷骰子" onclick="clickMe();"/
159 /body
160 /html
HTML
body
script
var number;
function showImg(url){
var img = document.getElementById("img1");
img.src = url;
}
function hideImg(){
document.getElementById("img1").src = "";
}
function clicke(){
number = 1+ Math.floor(Math.random()*6);
hideImg();
if(number==1)
showImg("C:\\Users\\lalala\\Desktop\\1.jpg");
if(number==2)
alert("等于2");
if(number==3)
alert("等于3");
if(number==4)
alert("等于4");
if(number==5)
alert("等于5");
if(number==6)
alert("等于6");
}
/script
divimg id="img1" //div
divinput type="button" onClick="clicke()" value="Click"//div
/body
/HTML