-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex.html
236 lines (180 loc) · 6.62 KB
/
index.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
<html>
<head>
<script type="text/javascript" src="/socket.io/socket.io.js"></script>
<script type="text/javascript">
window.addEventListener('load', init);
var socket = io.connect('http://srs815.itp.io:8000/');
var dataUrl;
var data;
var newImage;
var newDiv;
var newImgWrap;
// We'll use a global variable to hold on to our id from PeerJS
var peer_id = null;
var peer = null;
/* Get User Media */
var my_stream = null;
var newRTC;
var videoElement;
var ovideoElement;
var blob;
var file;
var mediaConstraints = {video: true, audio: true};
/* Get User Media */
window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
/* Get User Media */
if (navigator.getUserMedia){
navigator.getUserMedia({video: true, audio: true}, function(stream) {
my_stream = stream;
videoElement = document.getElementById('myvideo');
videoElement.src = window.URL.createObjectURL(stream) || stream;
videoElement.play();
connectPeer();
}, function(err) {
console.log('Failed to get local stream' ,err);
});
}
// Connect the socket
socket.on('connect', function() {
console.log("Connected");
});
// Receive from any other mouse event
socket.on('othermouse', function (data) {
odraw(data.x,data.y);
});
// Receive someone else's canvas
socket.on('clearImage', function () {
console.log("clear ready");
clearImage(false);
});
// Send the mouse
var sendmouse = function(xval, yval) {
socket.emit('othermouse',{ x: xval, y: yval });
};
// Send the clear
var clearImage = function(iClicked){
// Clear the drawing
context.fillStyle= background;
context.fillRect(0,0,canvas.width,canvas.height);
if(iClicked){
socket.emit('cleared', '');
}
};
///////////////
var canvas;
var context;
var canvasRect;
var currentlyDrawing = false;
var px = 0;
var py = 0;
var background = '#FFFEE7';
var strokeColor = '#222';
function init(){
canvas = document.getElementById('mycanvas');
context = canvas.getContext('2d');
context.fillStyle= background;
context.fillRect(0,0,canvas.width,canvas.height);
// Detect if mouse is moving
canvas.addEventListener('mousemove', function(evt) {
//evt.clientX is x but in the entire window, not the canvas
//evt.clientY is y
// Get the canvas bounding rect
canvasRect = canvas.getBoundingClientRect();
// Now calculate the mouse position values
y = evt.clientY - canvasRect.top; // minus the starting point of the canvas rect
x = evt.clientX - canvasRect.left; // minus the starting point of the canvas rect on the x axis
if(currentlyDrawing){
draw(x,y);
sendmouse(x,y);
}
document.getElementById('clear').onclick = function(){
// Send the image to the other person on button click
clearImage(true);
};
}, false);
// Detect if the left mouse button is pressed
canvas.onmousedown = function(evt) {
// I'm drawing
currentlyDrawing = true;
// Begin drawing where mouse is
canvasRect = canvas.getBoundingClientRect();
y = evt.clientY - canvasRect.top; // minus the starting point of the canvas rect
x = evt.clientX - canvasRect.left; // minus the starting point of the canvas rect on the x axis
px = x;
py = y;
};
canvas.onmouseup = function() {
// I stopped drawing
currentlyDrawing = false;
};
} // Close init
var draw = function(xval,yval) {
//console.log("draw " + xval + " " + yval);
context.beginPath();
// This is silly but it's what we have to do to get a random hex string
context.strokeStyle= strokeColor;
context.moveTo(px,py);
context.lineTo(xval,yval);
context.stroke();
px = xval;
py = yval;
};
var opx = 0;
var opy = 0;
var odraw = function(xval,yval) {
//console.log("draw " + xval + " " + yval);
context.beginPath();
context.strokeStyle= strokeColor;
context.moveTo(opx,opy);
context.lineTo(xval,yval);
context.stroke();
opx = xval;
opy = yval;
};
</script>
</head>
<style type="text/css">
#thumbnails img{
width: 100px;
position: relative;
display: inline-block;
margin-top:10px;
margin-right: 10px;
}
#clear{
position: relative;
display: block;
padding: 10px 30px;
border: none;
background-color:#ADFF2F;
color: dimgrey;
outline: 0;
transition: 0s;
width: 250px;
font-size: 1em;
}
#clear:hover{
transition: 0.6s;
background-color: #EDFF73;
cursor: pointer;
}
body{
background-color: #D6D3B7;
}
canvas{
float: left;
}
#buttons {
float:left;
width:250px;
margin-left: 20px;
}
</style>
<body>
<canvas width="600" height="300" id="mycanvas" ></canvas>
<div id="buttons">
<button id="clear">Clear</button>
</div>
</body>
</html>