Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 1 | /* |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 2 | * Copyright (C) 2013 The Android Open Source Project |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.renderscript; |
| 18 | |
Stephen Hines | 9c9ad3f8c2 | 2012-05-07 15:34:29 -0700 | [diff] [blame] | 19 | /** |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 20 | * Vector version of the basic float type. |
| 21 | * Provides three float fields packed. |
| 22 | */ |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 23 | public class Float3 { |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 24 | public float x; |
| 25 | public float y; |
| 26 | public float z; |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 27 | |
| 28 | public Float3() { |
| 29 | } |
| 30 | /** @hide */ |
| 31 | public Float3(Float3 data) { |
| 32 | this.x = data.x; |
| 33 | this.y = data.y; |
| 34 | this.z = data.z; |
| 35 | } |
| 36 | |
| 37 | public Float3(float x, float y, float z) { |
| 38 | this.x = x; |
| 39 | this.y = y; |
| 40 | this.z = z; |
| 41 | } |
| 42 | |
| 43 | /** @hide |
| 44 | * Vector add |
| 45 | * |
| 46 | * @param a |
| 47 | * @param b |
| 48 | * @return |
| 49 | */ |
| 50 | public static Float3 add(Float3 a, Float3 b) { |
| 51 | Float3 res = new Float3(); |
| 52 | res.x = a.x + b.x; |
| 53 | res.y = a.y + b.y; |
| 54 | res.z = a.z + b.z; |
| 55 | |
| 56 | return res; |
| 57 | } |
| 58 | |
| 59 | /** @hide |
| 60 | * Vector add |
| 61 | * |
| 62 | * @param value |
| 63 | */ |
| 64 | public void add(Float3 value) { |
| 65 | x += value.x; |
| 66 | y += value.y; |
| 67 | z += value.z; |
| 68 | } |
| 69 | |
| 70 | /** @hide |
| 71 | * Vector add |
| 72 | * |
| 73 | * @param value |
| 74 | */ |
| 75 | public void add(float value) { |
| 76 | x += value; |
| 77 | y += value; |
| 78 | z += value; |
| 79 | } |
| 80 | |
| 81 | /** @hide |
| 82 | * Vector add |
| 83 | * |
| 84 | * @param a |
| 85 | * @param b |
| 86 | * @return |
| 87 | */ |
| 88 | public static Float3 add(Float3 a, float b) { |
| 89 | Float3 res = new Float3(); |
| 90 | res.x = a.x + b; |
| 91 | res.y = a.y + b; |
| 92 | res.z = a.z + b; |
| 93 | |
| 94 | return res; |
| 95 | } |
| 96 | |
| 97 | /** @hide |
| 98 | * Vector subtraction |
| 99 | * |
| 100 | * @param value |
| 101 | */ |
| 102 | public void sub(Float3 value) { |
| 103 | x -= value.x; |
| 104 | y -= value.y; |
| 105 | z -= value.z; |
| 106 | } |
| 107 | |
| 108 | /** @hide |
| 109 | * Vector subtraction |
| 110 | * |
| 111 | * @param a |
| 112 | * @param b |
| 113 | * @return |
| 114 | */ |
| 115 | public static Float3 sub(Float3 a, Float3 b) { |
| 116 | Float3 res = new Float3(); |
| 117 | res.x = a.x - b.x; |
| 118 | res.y = a.y - b.y; |
| 119 | res.z = a.z - b.z; |
| 120 | |
| 121 | return res; |
| 122 | } |
| 123 | |
| 124 | /** @hide |
| 125 | * Vector subtraction |
| 126 | * |
| 127 | * @param value |
| 128 | */ |
| 129 | public void sub(float value) { |
| 130 | x -= value; |
| 131 | y -= value; |
| 132 | z -= value; |
| 133 | } |
| 134 | |
| 135 | /** @hide |
| 136 | * Vector subtraction |
| 137 | * |
| 138 | * @param a |
| 139 | * @param b |
| 140 | * @return |
| 141 | */ |
| 142 | public static Float3 sub(Float3 a, float b) { |
| 143 | Float3 res = new Float3(); |
| 144 | res.x = a.x - b; |
| 145 | res.y = a.y - b; |
| 146 | res.z = a.z - b; |
| 147 | |
| 148 | return res; |
| 149 | } |
| 150 | |
| 151 | /** @hide |
| 152 | * Vector multiplication |
| 153 | * |
| 154 | * @param value |
| 155 | */ |
| 156 | public void mul(Float3 value) { |
| 157 | x *= value.x; |
| 158 | y *= value.y; |
| 159 | z *= value.z; |
| 160 | } |
| 161 | |
| 162 | /** @hide |
| 163 | * Vector multiplication |
| 164 | * |
| 165 | * @param a |
| 166 | * @param b |
| 167 | * @return |
| 168 | */ |
| 169 | public static Float3 mul(Float3 a, Float3 b) { |
| 170 | Float3 res = new Float3(); |
| 171 | res.x = a.x * b.x; |
| 172 | res.y = a.y * b.y; |
| 173 | res.z = a.z * b.z; |
| 174 | |
| 175 | return res; |
| 176 | } |
| 177 | |
| 178 | /** @hide |
| 179 | * Vector multiplication |
| 180 | * |
| 181 | * @param value |
| 182 | */ |
| 183 | public void mul(float value) { |
| 184 | x *= value; |
| 185 | y *= value; |
| 186 | z *= value; |
| 187 | } |
| 188 | |
| 189 | /** @hide |
| 190 | * Vector multiplication |
| 191 | * |
| 192 | * @param a |
| 193 | * @param b |
| 194 | * @return |
| 195 | */ |
| 196 | public static Float3 mul(Float3 a, float b) { |
| 197 | Float3 res = new Float3(); |
| 198 | res.x = a.x * b; |
| 199 | res.y = a.y * b; |
| 200 | res.z = a.z * b; |
| 201 | |
| 202 | return res; |
| 203 | } |
| 204 | |
| 205 | /** @hide |
| 206 | * Vector division |
| 207 | * |
| 208 | * @param value |
| 209 | */ |
| 210 | public void div(Float3 value) { |
| 211 | x /= value.x; |
| 212 | y /= value.y; |
| 213 | z /= value.z; |
| 214 | } |
| 215 | |
| 216 | /** @hide |
| 217 | * Vector division |
| 218 | * |
| 219 | * @param a |
| 220 | * @param b |
| 221 | * @return |
| 222 | */ |
| 223 | public static Float3 div(Float3 a, Float3 b) { |
| 224 | Float3 res = new Float3(); |
| 225 | res.x = a.x / b.x; |
| 226 | res.y = a.y / b.y; |
| 227 | res.z = a.z / b.z; |
| 228 | |
| 229 | return res; |
| 230 | } |
| 231 | |
| 232 | /** @hide |
| 233 | * Vector division |
| 234 | * |
| 235 | * @param value |
| 236 | */ |
| 237 | public void div(float value) { |
| 238 | x /= value; |
| 239 | y /= value; |
| 240 | z /= value; |
| 241 | } |
| 242 | |
| 243 | /** @hide |
| 244 | * Vector division |
| 245 | * |
| 246 | * @param a |
| 247 | * @param b |
| 248 | * @return |
| 249 | */ |
| 250 | public static Float3 div(Float3 a, float b) { |
| 251 | Float3 res = new Float3(); |
| 252 | res.x = a.x / b; |
| 253 | res.y = a.y / b; |
| 254 | res.z = a.z / b; |
| 255 | |
| 256 | return res; |
| 257 | } |
| 258 | |
| 259 | /** @hide |
| 260 | * Vector dot Product |
| 261 | * |
| 262 | * @param a |
| 263 | * @return |
| 264 | */ |
| 265 | public Float dotProduct(Float3 a) { |
| 266 | return new Float((x * a.x) + (y * a.y) + (z * a.z)); |
| 267 | } |
| 268 | |
| 269 | /** @hide |
| 270 | * Vector dot Product |
| 271 | * |
| 272 | * @param a |
| 273 | * @param b |
| 274 | * @return |
| 275 | */ |
| 276 | public static Float dotProduct(Float3 a, Float3 b) { |
| 277 | return new Float((b.x * a.x) + (b.y * a.y) + (b.z * a.z)); |
| 278 | } |
| 279 | |
| 280 | /** @hide |
| 281 | * Vector add Multiple |
| 282 | * |
| 283 | * @param a |
| 284 | * @param factor |
| 285 | */ |
| 286 | public void addMultiple(Float3 a, float factor) { |
| 287 | x += a.x * factor; |
| 288 | y += a.y * factor; |
| 289 | z += a.z * factor; |
| 290 | } |
| 291 | |
| 292 | /** @hide |
| 293 | * set vector value by float3 |
| 294 | * |
| 295 | * @param a |
| 296 | */ |
| 297 | public void set(Float3 a) { |
| 298 | this.x = a.x; |
| 299 | this.y = a.y; |
| 300 | this.z = a.z; |
| 301 | } |
| 302 | |
| 303 | /** @hide |
| 304 | * set vector negate |
| 305 | */ |
| 306 | public void negate() { |
| 307 | x = -x; |
| 308 | y = -y; |
| 309 | z = -z; |
| 310 | } |
| 311 | |
| 312 | /** @hide |
| 313 | * get vector length |
| 314 | * |
| 315 | * @return |
| 316 | */ |
| 317 | public int length() { |
| 318 | return 3; |
| 319 | } |
| 320 | |
| 321 | /** @hide |
| 322 | * return the element sum of vector |
| 323 | * |
| 324 | * @return |
| 325 | */ |
| 326 | public Float elementSum() { |
| 327 | return new Float(x + y + z); |
| 328 | } |
| 329 | |
| 330 | /** @hide |
| 331 | * get the vector field value by index |
| 332 | * |
| 333 | * @param i |
| 334 | * @return |
| 335 | */ |
| 336 | public float get(int i) { |
| 337 | switch (i) { |
| 338 | case 0: |
| 339 | return x; |
| 340 | case 1: |
| 341 | return y; |
| 342 | case 2: |
| 343 | return z; |
| 344 | default: |
| 345 | throw new IndexOutOfBoundsException("Index: i"); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | /** @hide |
| 350 | * set the vector field value by index |
| 351 | * |
| 352 | * @param i |
| 353 | * @param value |
| 354 | */ |
| 355 | public void setAt(int i, float value) { |
| 356 | switch (i) { |
| 357 | case 0: |
| 358 | x = value; |
| 359 | return; |
| 360 | case 1: |
| 361 | y = value; |
| 362 | return; |
| 363 | case 2: |
| 364 | z = value; |
| 365 | return; |
| 366 | default: |
| 367 | throw new IndexOutOfBoundsException("Index: i"); |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | /** @hide |
| 372 | * add the vector field value by index |
| 373 | * |
| 374 | * @param i |
| 375 | * @param value |
| 376 | */ |
| 377 | public void addAt(int i, float value) { |
| 378 | switch (i) { |
| 379 | case 0: |
| 380 | x += value; |
| 381 | return; |
| 382 | case 1: |
| 383 | y += value; |
| 384 | return; |
| 385 | case 2: |
| 386 | z += value; |
| 387 | return; |
| 388 | default: |
| 389 | throw new IndexOutOfBoundsException("Index: i"); |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | /** @hide |
| 394 | * set the vector field value |
| 395 | * |
| 396 | * @param x |
| 397 | * @param y |
| 398 | * @param z |
| 399 | */ |
| 400 | public void setValues(float x, float y, float z) { |
| 401 | this.x = x; |
| 402 | this.y = y; |
| 403 | this.z = z; |
| 404 | } |
| 405 | |
| 406 | /** @hide |
| 407 | * copy the vector to float array |
| 408 | * |
| 409 | * @param data |
| 410 | * @param offset |
| 411 | */ |
| 412 | public void copyTo(float[] data, int offset) { |
| 413 | data[offset] = x; |
| 414 | data[offset + 1] = y; |
| 415 | data[offset + 2] = z; |
| 416 | } |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 417 | } |