/
Texture-Animation.html
199 lines (172 loc) · 6.2 KB
/
Texture-Animation.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
<!doctype html>
<html lang="en">
<head>
<title>Texture Animation (Three.js)</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link rel=stylesheet href="css/base.css"/>
</head>
<body>
<script src="js/Three.js"></script>
<script src="js/Detector.js"></script>
<script src="js/Stats.js"></script>
<script src="js/OrbitControls.js"></script>
<script src="js/THREEx.KeyboardState.js"></script>
<script src="js/THREEx.FullScreen.js"></script>
<script src="js/THREEx.WindowResize.js"></script>
<!-- jQuery code to display an information button and box when clicked. -->
<script src="js/jquery-1.9.1.js"></script>
<script src="js/jquery-ui.js"></script>
<link rel=stylesheet href="css/jquery-ui.css" />
<link rel=stylesheet href="css/info.css"/>
<script src="js/info.js"></script>
<div id="infoButton"></div>
<div id="infoBox" title="Demo Information">
This three.js demo is part of a collection at
<a href="http://stemkoski.github.io/Three.js/">http://stemkoski.github.io/Three.js/</a>
</div>
<!-- ------------------------------------------------------------ -->
<div id="ThreeJS" style="position: absolute; left:0px; top:0px"></div>
<script>
/*
Three.js "tutorials by example"
Author: Lee Stemkoski
Date: July 2013 (three.js v59dev)
*/
// MAIN
// standard global variables
var container, scene, camera, renderer, controls, stats;
var keyboard = new THREEx.KeyboardState();
var clock = new THREE.Clock();
// custom global variables
var annie, boomer; // animators
init();
animate();
// FUNCTIONS
function init()
{
// SCENE
scene = new THREE.Scene();
// CAMERA
var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight;
var VIEW_ANGLE = 45, ASPECT = SCREEN_WIDTH / SCREEN_HEIGHT, NEAR = 0.1, FAR = 20000;
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, ASPECT, NEAR, FAR);
scene.add(camera);
camera.position.set(0,150,400);
camera.lookAt(scene.position);
// RENDERER
if ( Detector.webgl )
renderer = new THREE.WebGLRenderer( {antialias:true} );
else
renderer = new THREE.CanvasRenderer();
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
container = document.getElementById( 'ThreeJS' );
container.appendChild( renderer.domElement );
// EVENTS
THREEx.WindowResize(renderer, camera);
THREEx.FullScreen.bindKey({ charCode : 'm'.charCodeAt(0) });
// CONTROLS
controls = new THREE.OrbitControls( camera, renderer.domElement );
// STATS
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.bottom = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
// LIGHT
var light = new THREE.PointLight(0xffffff);
light.position.set(0,250,0);
scene.add(light);
// FLOOR
var floorTexture = new THREE.ImageUtils.loadTexture( 'images/checkerboard.jpg' );
floorTexture.wrapS = floorTexture.wrapT = THREE.RepeatWrapping;
floorTexture.repeat.set( 10, 10 );
var floorMaterial = new THREE.MeshBasicMaterial( { map: floorTexture, side: THREE.DoubleSide } );
var floorGeometry = new THREE.PlaneGeometry(1000, 1000, 10, 10);
var floor = new THREE.Mesh(floorGeometry, floorMaterial);
floor.position.y = -0.5;
floor.rotation.x = Math.PI / 2;
scene.add(floor);
// SKYBOX/FOG
var skyBoxGeometry = new THREE.CubeGeometry( 10000, 10000, 10000 );
var skyBoxMaterial = new THREE.MeshBasicMaterial( { color: 0x9999ff, side: THREE.BackSide } );
var skyBox = new THREE.Mesh( skyBoxGeometry, skyBoxMaterial );
// scene.add(skyBox);
scene.fog = new THREE.FogExp2( 0x9999ff, 0.00025 );
////////////
// CUSTOM //
////////////
// MESHES WITH ANIMATED TEXTURES!
var runnerTexture = new THREE.ImageUtils.loadTexture( 'images/run.png' );
annie = new TextureAnimator( runnerTexture, 10, 1, 10, 75 ); // texture, #horiz, #vert, #total, duration.
var runnerMaterial = new THREE.MeshBasicMaterial( { map: runnerTexture, side:THREE.DoubleSide } );
var runnerGeometry = new THREE.PlaneGeometry(50, 50, 1, 1);
var runner = new THREE.Mesh(runnerGeometry, runnerMaterial);
runner.position.set(-100,25,0);
scene.add(runner);
var explosionTexture = new THREE.ImageUtils.loadTexture( 'images/explosion.jpg' );
boomer = new TextureAnimator( explosionTexture, 4, 4, 16, 55 ); // texture, #horiz, #vert, #total, duration.
var explosionMaterial = new THREE.MeshBasicMaterial( { map: explosionTexture } );
var cubeGeometry = new THREE.CubeGeometry( 50, 50, 50 );
cube = new THREE.Mesh( cubeGeometry, explosionMaterial );
cube.position.set(0,26,0);
scene.add(cube);
}
function animate()
{
requestAnimationFrame( animate );
render();
update();
}
function update()
{
var delta = clock.getDelta();
annie.update(1000 * delta);
boomer.update(1000 * delta);
if ( keyboard.pressed("z") )
{
// do something
}
controls.update();
stats.update();
}
function render()
{
renderer.render( scene, camera );
}
function TextureAnimator(texture, tilesHoriz, tilesVert, numTiles, tileDispDuration)
{
// note: texture passed by reference, will be updated by the update function.
this.tilesHorizontal = tilesHoriz;
this.tilesVertical = tilesVert;
// how many images does this spritesheet contain?
// usually equals tilesHoriz * tilesVert, but not necessarily,
// if there at blank tiles at the bottom of the spritesheet.
this.numberOfTiles = numTiles;
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 1 / this.tilesHorizontal, 1 / this.tilesVertical );
// how long should each image be displayed?
this.tileDisplayDuration = tileDispDuration;
// how long has the current image been displayed?
this.currentDisplayTime = 0;
// which image is currently being displayed?
this.currentTile = 0;
this.update = function( milliSec )
{
this.currentDisplayTime += milliSec;
while (this.currentDisplayTime > this.tileDisplayDuration)
{
this.currentDisplayTime -= this.tileDisplayDuration;
this.currentTile++;
if (this.currentTile == this.numberOfTiles)
this.currentTile = 0;
var currentColumn = this.currentTile % this.tilesHorizontal;
texture.offset.x = currentColumn / this.tilesHorizontal;
var currentRow = Math.floor( this.currentTile / this.tilesHorizontal );
texture.offset.y = currentRow / this.tilesVertical;
}
};
}
</script>
</body>
</html>