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-rw-r--r--js/helper-classes/3D/GLMatrix/gl-matrix.js1842
-rw-r--r--js/helper-classes/3D/GLMatrix/notice.txt4
-rw-r--r--js/helper-classes/3D/LinePlaneIntersectRec.js60
-rw-r--r--js/helper-classes/3D/ParseUtils.js84
-rw-r--r--js/helper-classes/3D/Rectangle.js209
-rw-r--r--js/helper-classes/3D/StageLine.js461
-rw-r--r--js/helper-classes/3D/draw-utils.js1208
-rw-r--r--js/helper-classes/3D/element-planes.js134
-rw-r--r--js/helper-classes/3D/glUtils.js319
-rw-r--r--js/helper-classes/3D/hit-record.js291
-rw-r--r--js/helper-classes/3D/math-utils.js1104
-rw-r--r--js/helper-classes/3D/snap-2d-record.js130
-rw-r--r--js/helper-classes/3D/snap-manager.js2247
-rw-r--r--js/helper-classes/3D/vec-utils.js199
-rw-r--r--js/helper-classes/3D/view-utils.js1342
15 files changed, 9634 insertions, 0 deletions
diff --git a/js/helper-classes/3D/GLMatrix/gl-matrix.js b/js/helper-classes/3D/GLMatrix/gl-matrix.js
new file mode 100644
index 00000000..811ed5cd
--- /dev/null
+++ b/js/helper-classes/3D/GLMatrix/gl-matrix.js
@@ -0,0 +1,1842 @@
1/*
2 * gl-matrix.js - High performance matrix and vector operations for WebGL
3 * Version 1.0.0
4 */
5
6/*
7 * Copyright (c) 2011 Brandon Jones
8 *
9 * This software is provided 'as-is', without any express or implied
10 * warranty. In no event will the authors be held liable for any damages
11 * arising from the use of this software.
12 *
13 * Permission is granted to anyone to use this software for any purpose,
14 * including commercial applications, and to alter it and redistribute it
15 * freely, subject to the following restrictions:
16 *
17 * 1. The origin of this software must not be misrepresented; you must not
18 * claim that you wrote the original software. If you use this software
19 * in a product, an acknowledgment in the product documentation would be
20 * appreciated but is not required.
21 *
22 * 2. Altered source versions must be plainly marked as such, and must not
23 * be misrepresented as being the original software.
24 *
25 * 3. This notice may not be removed or altered from any source
26 * distribution.
27 */
28
29"use strict";
30
31// Type declarations
32var MatrixArray = (typeof Float32Array !== 'undefined') ? Float32Array : Array, // Fallback for systems that don't support TypedArrays
33 glMatrixArrayType = MatrixArray, // For Backwards compatibility
34 vec3 = {},
35 mat3 = {},
36 glmat4 = {},
37 quat4 = {};
38
39
40/*
41 * vec3 - 3 Dimensional Vector
42 */
43
44/*
45 * vec3.create
46 * Creates a new instance of a vec3 using the default array type
47 * Any javascript array containing at least 3 numeric elements can serve as a vec3
48 *
49 * Params:
50 * vec - Optional, vec3 containing values to initialize with
51 *
52 * Returns:
53 * New vec3
54 */
55vec3.create = function (vec) {
56 var dest = new MatrixArray(3);
57
58 if (vec) {
59 dest[0] = vec[0];
60 dest[1] = vec[1];
61 dest[2] = vec[2];
62 }
63
64 return dest;
65};
66
67/*
68 * vec3.set
69 * Copies the values of one vec3 to another
70 *
71 * Params:
72 * vec - vec3 containing values to copy
73 * dest - vec3 receiving copied values
74 *
75 * Returns:
76 * dest
77 */
78vec3.set = function (vec, dest) {
79 dest[0] = vec[0];
80 dest[1] = vec[1];
81 dest[2] = vec[2];
82
83 return dest;
84};
85
86/*
87 * vec3.add
88 * Performs a vector addition
89 *
90 * Params:
91 * vec - vec3, first operand
92 * vec2 - vec3, second operand
93 * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
94 *
95 * Returns:
96 * dest if specified, vec otherwise
97 */
98vec3.add = function (vec, vec2, dest) {
99 if (!dest || vec === dest) {
100 vec[0] += vec2[0];
101 vec[1] += vec2[1];
102 vec[2] += vec2[2];
103 return vec;
104 }
105
106 dest[0] = vec[0] + vec2[0];
107 dest[1] = vec[1] + vec2[1];
108 dest[2] = vec[2] + vec2[2];
109 return dest;
110};
111
112/*
113 * vec3.subtract
114 * Performs a vector subtraction
115 *
116 * Params:
117 * vec - vec3, first operand
118 * vec2 - vec3, second operand
119 * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
120 *
121 * Returns:
122 * dest if specified, vec otherwise
123 */
124vec3.subtract = function (vec, vec2, dest) {
125 if (!dest || vec === dest) {
126 vec[0] -= vec2[0];
127 vec[1] -= vec2[1];
128 vec[2] -= vec2[2];
129 return vec;
130 }
131
132 dest[0] = vec[0] - vec2[0];
133 dest[1] = vec[1] - vec2[1];
134 dest[2] = vec[2] - vec2[2];
135 return dest;
136};
137
138/*
139 * vec3.negate
140 * Negates the components of a vec3
141 *
142 * Params:
143 * vec - vec3 to negate
144 * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
145 *
146 * Returns:
147 * dest if specified, vec otherwise
148 */
149vec3.negate = function (vec, dest) {
150 if (!dest) { dest = vec; }
151
152 dest[0] = -vec[0];
153 dest[1] = -vec[1];
154 dest[2] = -vec[2];
155 return dest;
156};
157
158/*
159 * vec3.scale
160 * Multiplies the components of a vec3 by a scalar value
161 *
162 * Params:
163 * vec - vec3 to scale
164 * val - Numeric value to scale by
165 * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
166 *
167 * Returns:
168 * dest if specified, vec otherwise
169 */
170vec3.scale = function (vec, val, dest) {
171 if (!dest || vec === dest) {
172 vec[0] *= val;
173 vec[1] *= val;
174 vec[2] *= val;
175 return vec;
176 }
177
178 dest[0] = vec[0] * val;
179 dest[1] = vec[1] * val;
180 dest[2] = vec[2] * val;
181 return dest;
182};
183
184/*
185 * vec3.normalize
186 * Generates a unit vector of the same direction as the provided vec3
187 * If vector length is 0, returns [0, 0, 0]
188 *
189 * Params:
190 * vec - vec3 to normalize
191 * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
192 *
193 * Returns:
194 * dest if specified, vec otherwise
195 */
196vec3.normalize = function (vec, dest) {
197 if (!dest) { dest = vec; }
198
199 var x = vec[0], y = vec[1], z = vec[2],
200 len = Math.sqrt(x * x + y * y + z * z);
201
202 if (!len) {
203 dest[0] = 0;
204 dest[1] = 0;
205 dest[2] = 0;
206 return dest;
207 } else if (len === 1) {
208 dest[0] = x;
209 dest[1] = y;
210 dest[2] = z;