forked from lo-th/Oimo.js
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_terrain.html
409 lines (328 loc) · 13.3 KB
/
test_terrain.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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
<!DOCTYPE html>
<html lang="en">
<head>
<title>Oimo.js Terrain</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=11" />
<link rel="shortcut icon" href="favicon.ico">
<link rel="stylesheet" href="css/consolas.css">
<link rel="stylesheet" href="css/demo.css">
<script src="js/three.min.js"></script>
<script src="js/navigation.js"></script>
<script src="js/ImprovedNoise.js"></script>
<script src="build/Oimo.min.js"></script>
</head>
<body>
<div id='container'></div>
<div id='interface'>
<input type="button" value="demo" onClick=populate(1)>
<input type="number" name="quantity" min="10" max="2000" value="100" id='MaxNumber'>
<input type="submit" onClick=populate()>
<input type="number" name="gravity" min="-20" max="20" value="-10" id='gravity' onChange=gravity() >
</div>
<div id='info'></div>
<div id='link'>
<a href="test_basic.html">Basic</a>
<a href="test_compound.html">Compound</a>
<a href="test_compound2.html">Compound2</a>
<a href="test_ragdoll.html">Ragdoll</a>
<a href="test_collision.html">Collision</a>
<a href="test_moving.html">Moving</a>
<a href="test_terrain.html">Terrain</a>
</div>
<a href="https://github.com/lo-th/Oimo.js"><img style="position: absolute; top: 0; right: 0; border: 0;" src="images/ribbon.png" alt="Fork me on GitHub"></a>
<script>
// three var
var camera, scene, light, renderer, container, content;
var meshs = [];
var grounds = [];
var paddel;
var matBox, matSphere, matBoxSleep, matSphereSleep, matGround, matGroundTrans;
var buffgeoSphere, buffgeoBox;
var raycaster, projector;
var terrain;
var ToRad = Math.PI / 180;
//oimo var
var world = null;
var bodys = null;
var infos;
var type=1;
init();
loop();
function init() {
infos = document.getElementById("info");
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
initCamera(180,60,600);
raycaster = new THREE.Raycaster();
projector = new THREE.Projector();
scene = new THREE.Scene();
content = new THREE.Object3D();
scene.add(content);
scene.add( new THREE.AmbientLight( 0x3D4143 ) );
light = new THREE.DirectionalLight( 0xffffff , 1);
light.position.set( 300, 1000, 500 );
light.target.position.set( 0, 0, 0 );
light.castShadow = true;
light.shadowCameraNear = 500;
light.shadowCameraFar = 1600;
light.shadowCameraFov = 70;
light.shadowBias = 0.0001;
light.shadowDarkness = 0.7;
light.shadowMapWidth = light.shadowMapHeight = 1024;
scene.add( light );
// background
var buffgeoBack = new THREE.BufferGeometry();
buffgeoBack.fromGeometry( new THREE.IcosahedronGeometry(8000,1) );
var back = new THREE.Mesh( buffgeoBack, new THREE.MeshBasicMaterial( { map:gradTexture([[1,0.75,0.5,0.25], ['#1B1D1E','#3D4143','#72797D', '#b0babf']]), side:THREE.BackSide, depthWrite: false } ));
back.geometry.applyMatrix(new THREE.Matrix4().makeRotationZ(15*ToRad));
scene.add( back );
buffgeoSphere = new THREE.BufferGeometry();
buffgeoSphere.fromGeometry( new THREE.SphereGeometry( 1 , 20, 10 ) );
buffgeoBox = new THREE.BufferGeometry();
buffgeoBox.fromGeometry( new THREE.BoxGeometry( 1, 1, 1 ) );
matSphere = new THREE.MeshLambertMaterial( { map: basicTexture(0), name:'sph' } );
matBox = new THREE.MeshLambertMaterial( { map: basicTexture(2), name:'box' } );
matSphereSleep = new THREE.MeshLambertMaterial( { map: basicTexture(1), name:'ssph' } );
matBoxSleep = new THREE.MeshLambertMaterial( { map: basicTexture(3), name:'sbox' } );
matGround = new THREE.MeshLambertMaterial( { color: 0x3D4143 } );
matGroundTrans = new THREE.MeshLambertMaterial( { color: 0x3D4143, transparent:true, opacity:0.6 } );
renderer = new THREE.WebGLRenderer({precision: "mediump", antialias:false });
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.autoClear = false;
renderer.shadowMapEnabled = true;
renderer.shadowMapType = THREE.PCFShadowMap;
//renderer.gammaInput = true;
// renderer.gammaOutput = true;
paddel = new THREE.Object3D();
scene.add( paddel );
container = document.getElementById("container");
container.appendChild( renderer.domElement );
initEvents();
initOimoPhysics();
}
function loop() {
requestAnimationFrame( loop );
renderer.render( scene, camera );
}
function addStaticBox(size, position, rotation, spec) {
var mesh;
if(spec) mesh = new THREE.Mesh( buffgeoBox, matGroundTrans );
else mesh = new THREE.Mesh( buffgeoBox, matGround );
mesh.scale.set( size[0], size[1], size[2] );
mesh.position.set( position[0], position[1], position[2] );
mesh.rotation.set( rotation[0]*ToRad, rotation[1]*ToRad, rotation[2]*ToRad );
if(!grounds.length) content.add( mesh );
else scene.add( mesh );
grounds.push(mesh);
mesh.castShadow = true;
mesh.receiveShadow = true;
}
function clearMesh(){
var i=meshs.length;
while (i--) scene.remove(meshs[ i ]);
i = grounds.length;
while (i--) scene.remove(grounds[ i ]);
if(terrain){
content.remove(terrain);
terrain.geometry.dispose();
}
grounds = [];
meshs = [];
}
//----------------------------------
// OIMO PHYSICS
//----------------------------------
function initOimoPhysics(){
world = new OIMO.World(1/60, 2);
populate(1);
setInterval(updateOimoPhysics, 1000/60);
}
function initTerrain(w, h) {
w = 32 || w;
h = 32 || h;
//var g = new THREE.PlaneGeometry( 600, 600, w-1, h-1);
var g = new THREE.PlaneBufferGeometry( 600, 600, w-1, h-1 );
g.applyMatrix(new THREE.Matrix4().makeRotationX( - Math.PI * 0.5 ));
var size = w * h;
var data = new OIMO_ARRAY_TYPE( size );
var perlin = new ImprovedNoise(), quality = 1, z = Math.random() * 10;
for ( var j = 0; j < 4; j ++ ) {
for ( var i = 0; i < size; i ++ ) {
var x = i % w, y = ~~ ( i / w );
data[ i ] += (Math.abs( perlin.noise( x / quality, y / quality, z ) * quality * 0.5 ))
}
quality *= 5;
}
var b, v, m;
var r = 20;
var types = [];
var sizes = [];
var positions = [];
var n = 0;
var vertices = g.attributes.position.array;
// for ( var i = 0, l = vertices.length; i < l; i ++ ) {
for ( var i = 0, j = 0, l = vertices.length; i < l; i ++, j += 3 ) {
vertices[ j + 1 ] = (data[ i ] * 10)-100;
b = new OIMO.Body({type:'sphere', size:[r], pos:[vertices[ j ],vertices[ j + 1 ]-r,vertices[ j + 2 ]],world:world})
}
g.computeFaceNormals();
g.computeVertexNormals();
terrain = new THREE.Mesh(g, new THREE.MeshPhongMaterial ({color: 0x3D4143, shininess:60 }));
terrain.castShadow = true;
terrain.receiveShadow = true;
content.add(terrain);
}
function populate(n) {
// The Bit of a collision group
var group1 = 1 << 0; // 00000000 00000000 00000000 00000001
var group2 = 1 << 1; // 00000000 00000000 00000000 00000010
var group3 = 1 << 2; // 00000000 00000000 00000000 00000100
var all = 0xffffffff; // 11111111 11111111 11111111 11111111
var max = document.getElementById("MaxNumber").value;
type = 3;
// reset old
clearMesh();
world.clear();
bodys = [];
initTerrain();
// Is all the physics setting for rigidbody
var config = [
1, // The density of the shape.
0.4, // The coefficient of friction of the shape.
0.2, // The coefficient of restitution of the shape.
1, // The bits of the collision groups to which the shape belongs.
all // The bits of the collision groups with which the shape collides.
];
// now add object
var x, y, z, w, h, d;
var i = max;
while (i--){
if(type===3) t = Math.floor(Math.random()*2)+1;
else t = type;
x = -100 + Math.random()*200;;
z = -100 + Math.random()*200;
y = 100 + Math.random()*1000;
w = 10 + Math.random()*10;
h = 10 + Math.random()*10;
d = 10 + Math.random()*10;
config[4] = all;
if(t===1){
config[3] = group2;
bodys[i] = new OIMO.Body({type:'sphere', size:[w*0.5], pos:[x,y,z], move:true, world:world, config:config});
meshs[i] = new THREE.Mesh( buffgeoSphere, matSphere );
meshs[i].scale.set( w*0.5, w*0.5, w*0.5 );
} else if(t===2){
config[3] = group3;
bodys[i] = new OIMO.Body({type:'box', size:[w,h,d], pos:[x,y,z], move:true, world:world, config:config});
meshs[i] = new THREE.Mesh( buffgeoBox, matBox );
meshs[i].scale.set( w, h, d );
}
meshs[i].castShadow = true;
meshs[i].receiveShadow = true;
scene.add( meshs[i] );
}
config[3] = 1;
config[4] = all;
bodys[max] = new OIMO.Body({size:[20, 40, 60], pos:[-150,20,0], rot:[0,0,0], move:true, noSleep:true, world:world, config:config});
meshs[max] = new THREE.Mesh( buffgeoBox, matBox );
meshs[max].scale.set( 20, 40, 20 );
scene.add( meshs[max] );
}
var f0, f1, f2 = 0;
function updateOimoPhysics() {
// apply new position on last rigidbody
bodys[bodys.length-1].setPosition(paddel.position);
world.step();
var p, r, m, x, y, z;
var i = bodys.length;
var mesh;
var body;
while (i--){
body = bodys[i].body;
mesh = meshs[i];
if(!body.sleeping){
mesh.position.copy(body.getPosition());
mesh.quaternion.copy(body.getQuaternion());
// change material
if(mesh.material.name === 'sbox') mesh.material = matBox;
if(mesh.material.name === 'ssph') mesh.material = matSphere;
// reset position
if(mesh.position.y<-300){
x = -100 + Math.random()*200;
z = -100 + Math.random()*200;
y = 100 + Math.random()*1000;
body.resetPosition(x,y,z);
}
} else {
if(mesh.material.name === 'box') mesh.material = matBoxSleep;
if(mesh.material.name === 'sph') mesh.material = matSphereSleep;
}
}
infos.innerHTML = world.performance.show();
}
function gravity(g){
nG = document.getElementById("gravity").value
world.gravity = new OIMO.Vec3(0, nG, 0);
}
//----------------------------------
// TEXTURES
//----------------------------------
function gradTexture(color) {
var c = document.createElement("canvas");
var ct = c.getContext("2d");
c.width = 16; c.height = 256;
var gradient = ct.createLinearGradient(0,0,0,256);
var i = color[0].length;
while(i--){ gradient.addColorStop(color[0][i],color[1][i]); }
ct.fillStyle = gradient;
ct.fillRect(0,0,16,256);
var texture = new THREE.Texture(c);
texture.needsUpdate = true;
return texture;
}
function basicTexture(n){
var canvas = document.createElement( 'canvas' );
canvas.width = canvas.height = 64;
var ctx = canvas.getContext( '2d' );
var colors = [];
if(n===0){ // sphere
colors[0] = "#58AA80";
colors[1] = "#58FFAA";
}
if(n===1){ // sphere sleep
colors[0] = "#383838";
colors[1] = "#38AA80";
}
if(n===2){ // box
colors[0] = "#AA8058";
colors[1] = "#FFAA58";
}
if(n===3){ // box sleep
colors[0] = "#383838";
colors[1] = "#AA8038";
}
ctx.fillStyle = colors[0];
ctx.fillRect(0, 0, 64, 64);
ctx.fillStyle = colors[1];
ctx.fillRect(0, 0, 32, 32);
ctx.fillRect(32, 32, 32, 32);
var tx = new THREE.Texture(canvas);
tx.needsUpdate = true;
return tx;
}
//----------------------------------
// RAY TEST
//----------------------------------
var rayTest = function () {
var vector = new THREE.Vector3( mouse.mx, mouse.my, 1 );
projector.unprojectVector( vector, camera );
raycaster.set( camera.position, vector.sub( camera.position ).normalize() );
var intersects = raycaster.intersectObjects( content.children, true );
if ( intersects.length) {
paddel.position.copy( intersects[0].point.add(new THREE.Vector3( 0, 20, 0 )) );
}
}
</script>
</body>
</html>