forked from mrdoob/three.js
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcanvas_geometry_panorama.html
226 lines (147 loc) · 5.21 KB
/
canvas_geometry_panorama.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
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js canvas - panorama demo</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background-color: rgb(200,200,200);
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
font-weight: bold;
text-align:center;
}
a {
color: #ffffff;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - panorama demo. cubemap by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a>.</div>
<script src="../build/three.min.js"></script>
<script>
var camera, scene, renderer;
var texture_placeholder,
isUserInteracting = false,
onMouseDownMouseX = 0, onMouseDownMouseY = 0,
lon = 90, onMouseDownLon = 0,
lat = 0, onMouseDownLat = 0,
phi = 0, theta = 0,
target = new THREE.Vector3();
init();
function init() {
var container, mesh;
container = document.getElementById( 'container' );
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1100 );
scene = new THREE.Scene();
texture_placeholder = document.createElement( 'canvas' );
texture_placeholder.width = 128;
texture_placeholder.height = 128;
var context = texture_placeholder.getContext( '2d' );
context.fillStyle = 'rgb( 200, 200, 200 )';
context.fillRect( 0, 0, texture_placeholder.width, texture_placeholder.height );
var materials = [
loadTexture( 'textures/cube/skybox/px.jpg' ), // right
loadTexture( 'textures/cube/skybox/nx.jpg' ), // left
loadTexture( 'textures/cube/skybox/py.jpg' ), // top
loadTexture( 'textures/cube/skybox/ny.jpg' ), // bottom
loadTexture( 'textures/cube/skybox/pz.jpg' ), // back
loadTexture( 'textures/cube/skybox/nz.jpg' ) // front
];
mesh = new THREE.Mesh( new THREE.CubeGeometry( 300, 300, 300, 7, 7, 7, materials ), new THREE.MeshFaceMaterial() );
mesh.scale.x = - 1;
scene.add( mesh );
renderer = new THREE.CanvasRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
document.addEventListener( 'mousedown', onDocumentMouseDown, false );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'mouseup', onDocumentMouseUp, false );
document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
render();
}
function loadTexture( path ) {
var texture = new THREE.Texture( texture_placeholder );
var material = new THREE.MeshBasicMaterial( { map: texture, overdraw: true } );
var image = new Image();
image.onload = function () {
texture.needsUpdate = true;
material.map.image = this;
render();
};
image.src = path;
return material;
}
function onDocumentMouseDown( event ) {
event.preventDefault();
isUserInteracting = true;
onPointerDownPointerX = event.clientX;
onPointerDownPointerY = event.clientY;
onPointerDownLon = lon;
onPointerDownLat = lat;
}
function onDocumentMouseMove( event ) {
if ( isUserInteracting ) {
lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
render();
}
}
function onDocumentMouseUp( event ) {
isUserInteracting = false;
render();
}
function onDocumentMouseWheel( event ) {
camera.fov -= event.wheelDeltaY * 0.05;
camera.updateProjectionMatrix();
render();
}
function onDocumentTouchStart( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
onPointerDownPointerX = event.touches[ 0 ].pageX;
onPointerDownPointerY = event.touches[ 0 ].pageY;
onPointerDownLon = lon;
onPointerDownLat = lat;
}
}
function onDocumentTouchMove( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
lon = ( onPointerDownPointerX - event.touches[0].pageX ) * 0.1 + onPointerDownLon;
lat = ( event.touches[0].pageY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
render();
}
}
function render() {
lat = Math.max( - 85, Math.min( 85, lat ) );
phi = ( 90 - lat ) * Math.PI / 180;
theta = lon * Math.PI / 180;
target.x = 500 * Math.sin( phi ) * Math.cos( theta );
target.y = 500 * Math.cos( phi );
target.z = 500 * Math.sin( phi ) * Math.sin( theta );
camera.lookAt( target );
renderer.render( scene, camera );
}
</script>
</body>
</html>