forked from nraynaud/webgcode
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_threejs.html
288 lines (270 loc) · 12 KB
/
test_threejs.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
<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<title>Sample Three.js</title>
<style>
#container {
float: right;
background: #000;
width: 600px;
height: 400px;
}
#map-canvas {
float: left;
width: 600px;
height: 400px;
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=drawing,geometry"></script>
</head>
<body>
<div id="map-canvas"></div>
<div id="container"></div>
<a id="downloadLink" href='#'>Download .stl</a>
</body>
<script src="webapp/libs/jquery.min.js"></script>
<script src="webapp/cnc/delaunay.js"></script>
<script src="webapp/cnc/contour.js"></script>
<script src="webapp/libs/Three.js"></script>
<script src="webapp/libs/TrackballControls.js"></script>
<script type="text/javascript">
function randomOrderRange(start, stop, cseed, aseed, first) {
function randomInt(min, max, seed) {
if (seed === undefined)
seed = Math.random();
return Math.floor(seed * (max - min + 1)) + min;
}
var result = [];
var N = stop - start;
var M = Math.ceil(Math.pow(2, Math.ceil(Math.log(N + 1) / Math.LN2)));
var c = randomInt(0, M / 2 - 1, cseed) * 2 + 1;
var a = randomInt(0, M / 4 - 1, aseed) * 4 + 1;
if (first === undefined)
first = randomInt(0, M - 1);
var x = first;
for (; ;) {
x = (a * x + c) % M;
if (x < N)
result.push(start + x);
if (x === first)
break;
}
return result;
}
var WIDTH = 600;
var HEIGHT = 400;
var $container = $('#container');
var renderer = new THREE.WebGLRenderer({antialias: true});
var camera = new THREE.PerspectiveCamera(45, WIDTH / HEIGHT, 0.1, 20000);
var scene = new THREE.Scene();
var light = new THREE.PointLight(0xff0000, 1, 3000000);
light.position.set(0, 200000, 200000);
scene.add(light);
scene.add(new THREE.AmbientLight(0x404040));
camera.position.z = 3000;
renderer.setSize(WIDTH, HEIGHT);
$container.append(renderer.domElement);
scene.add(camera);
controls = new THREE.TrackballControls(camera, $container[0]);
controls.rotateSpeed = 1.0;
controls.zoomSpeed = 1.2;
controls.panSpeed = 0.8;
controls.noZoom = false;
controls.noPan = false;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
controls.minDistance = 300;
controls.keys = [ 65, 83, 68 ];
controls.addEventListener('change', function () {
renderer.render(scene, camera);
});
function animate() {
requestAnimationFrame(animate);
controls.update();
}
var mesh = null;
var contourMesh = null;
var contourLines = [];
var planeGeometry = new THREE.PlaneGeometry(100, 100, 5, 5);
planeGeometry.applyMatrix(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
scene.add(new THREE.Mesh(planeGeometry, new THREE.MeshBasicMaterial({wireframe: true, color: 0x00CC00})));
animate();
</script>
<script>
var elevator;
var map;
var infowindow = new google.maps.InfoWindow();
var denali = new google.maps.LatLng(43.78025958500131, 3.814994812011694);
var currentSelection = null;
function initialize() {
function geomToStl(geom) {
geom.computeBoundingBox();
var min = geom.boundingBox.min;
var file = 'solid OBJECT\n';
function printVector(v0) {
return [v0.x.toExponential(), v0.z.toExponential(), v0.y.toExponential()].join(' ');
}
$.each(geom.faces, function (_, face) {
geom.faces.push(face);
file += ' facet normal ' + printVector(face.normal) + '\n outer loop\n';
$.each([face.a, face.b, face.c], function (_, vIndex) {
var v0 = geom.vertices[vIndex].clone().sub(min);
file += ' vertex ' + printVector(v0) + '\n';
});
file += ' endloop\n endfacet\n';
});
file += 'endsolid OBJECT\n';
return 'data:application/sla;base64,' + window.btoa(file);
}
function delaunayToGeom(delaunay) {
var geom = new THREE.Geometry();
$.each(delaunay.vertices, function (_, vertex) {
geom.vertices.push(new THREE.Vector3(vertex.x, vertex.z, vertex.y));
});
$.each(delaunay.triangles, function (_, triangle) {
if (!triangle.fromSuper) {
var face = new THREE.Face3(triangle.verticesIndexes[0], triangle.verticesIndexes[1], triangle.verticesIndexes[2]);
geom.faces.push(face);
}
});
geom.computeFaceNormals();
geom.computeVertexNormals();
geom.computeCentroids();
geom.computeBoundingSphere();
return geom;
}
function displayContours(altitude, geom) {
if (contourMesh) {
scene.remove(contourMesh);
contourMesh = null;
}
if (contourLines.length) {
$.each(contourLines, function (_, line) {
scene.remove(line);
});
contourLines = [];
}
var res = contour(altitude, geom);
var geom2 = new THREE.Geometry();
geom2.vertices = geom.vertices.concat();
$.each(res.triangles, function (_, triangle) {
geom2.faces.push(triangle);
});
$.each(res.contours, function (_, contour) {
var lineGeom = new THREE.Geometry();
lineGeom.vertices = contour.concat();
var line = new THREE.Line(lineGeom, new THREE.LineBasicMaterial({color: 0x00CC00, linewidth: 3}));
scene.add(line);
contourLines.push(line);
});
geom2.computeFaceNormals();
geom2.computeVertexNormals();
geom2.computeCentroids();
geom2.computeBoundingSphere();
contourMesh = new THREE.Mesh(geom2, new THREE.MeshBasicMaterial({wireframe: true, wireframeLinewidth: 2, color: 0xFF0000}))
scene.add(contourMesh);
renderer.render(scene, camera);
}
$('#downloadLink').click(function (e) {
e.preventDefault();
if (mesh)
$('<a download="test.stl"></a>').attr('href', geomToStl(mesh.geometry))[0].click();
});
var mapOptions = {
zoom: 13,
center: denali,
mapTypeId: 'terrain'
};
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
elevator = new google.maps.ElevationService();
var drawingManager = new google.maps.drawing.DrawingManager({
drawingControl: true,
drawingControlOptions: {
position: google.maps.ControlPosition.TOP_CENTER,
drawingModes: [
google.maps.drawing.OverlayType.RECTANGLE
]
}
});
google.maps.event.addListener(drawingManager, 'rectanglecomplete', function (rectangle) {
if (currentSelection)
currentSelection.setMap(null);
currentSelection = rectangle;
drawingManager.setDrawingMode(null);
var rows = 80, columns = 80;
var batchSize = 200;
var sampleCount = columns * rows;
var shuffledIndexes = randomOrderRange(0, sampleCount);
function iToXRatio(i) {
return (shuffledIndexes[i] % columns) / columns;
}
function iToYRatio(i) {
return Math.floor(shuffledIndexes[i] / columns) / rows;
}
var south = rectangle.getBounds().getSouthWest().lat();
var north = rectangle.getBounds().getNorthEast().lat();
var west = rectangle.getBounds().getSouthWest().lng();
var east = rectangle.getBounds().getNorthEast().lng();
var xspan = google.maps.geometry.spherical.computeDistanceBetween(new google.maps.LatLng(north, west), new google.maps.LatLng(north, east));
var yspan = google.maps.geometry.spherical.computeDistanceBetween(new google.maps.LatLng(south, west), new google.maps.LatLng(north, west));
controls.minDistance = Math.max(xspan, yspan) / 2;
camera.position = controls.target.clone().sub(new THREE.Vector3(xspan / 1.5, -1000, yspan / 1.5));
var delaunayState = createDelaunay(-xspan / 2, -yspan / 2, xspan, yspan);
var workList = [];
var i = 0;
for (; i < sampleCount;) {
var locations = [];
var startI = i;
for (var j = 0; j < batchSize && i < sampleCount; i++, j++) {
var xratio = iToXRatio(i);
var yratio = iToYRatio(i);
locations.push(new google.maps.LatLng(yratio * north + (1 - yratio) * south, xratio * west + (1 - xratio) * east));
}
workList.push(
(function (startI, locations) {
return function work() {
elevator.getElevationForLocations({'locations': locations}, function (results, status) {
if (status == google.maps.ElevationStatus.OK) {
if (results) {
for (var j = 0, i = startI; j < batchSize && i < sampleCount; i++, j++) {
var vertex = appendVertex(
iToXRatio(i) * xspan - xspan / 2,
iToYRatio(i) * yspan - yspan / 2,
delaunayState);
vertex.z = results[j].elevation;
}
var delaunayGeom = delaunayToGeom(delaunayState);
displayContours(325, delaunayGeom);
var center = delaunayGeom.boundingSphere.center;
if (startI == 0) {
controls.target.copy(center);
camera.position = center.sub(new THREE.Vector3(xspan / 1.5, -2000, yspan / 1.5));
}
if (mesh)
scene.remove(mesh);
mesh = new THREE.Mesh(delaunayGeom, new THREE.MeshBasicMaterial({wireframe: true, color: 0xAA0000}));
scene.add(mesh);
renderer.render(scene, camera);
} else
alert('No results found');
} else if (status == google.maps.ElevationStatus.OVER_QUERY_LIMIT) {
console.log("query limit, re-trying a batch");
workList.push(work);
}
else
alert('Elevation service failed due to: ' + status);
});
};
})(startI, locations));
}
setInterval(function () {
if (workList.length)
workList.splice(0, 1)[0]();
}, 100);
});
drawingManager.setMap(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</html>