2 * Copyright 2007 David Adam
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #define NONAMELESSUNION
29 #include "d3dx8_private.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(d3dx8);
35 static const ID3DXMatrixStackVtbl ID3DXMatrixStack_Vtbl;
37 /*_________________D3DXColor____________________*/
39 D3DXCOLOR* WINAPI D3DXColorAdjustContrast(D3DXCOLOR *pout, CONST D3DXCOLOR *pc, FLOAT s)
41 pout->r = 0.5f + s * (pc->r - 0.5f);
42 pout->g = 0.5f + s * (pc->g - 0.5f);
43 pout->b = 0.5f + s * (pc->b - 0.5f);
48 D3DXCOLOR* WINAPI D3DXColorAdjustSaturation(D3DXCOLOR *pout, CONST D3DXCOLOR *pc, FLOAT s)
52 grey = pc->r * 0.2125f + pc->g * 0.7154f + pc->b * 0.0721f;
53 pout->r = grey + s * (pc->r - grey);
54 pout->g = grey + s * (pc->g - grey);
55 pout->b = grey + s * (pc->b - grey);
60 /*_________________D3DXMatrix____________________*/
62 D3DXMATRIX* WINAPI D3DXMatrixAffineTransformation(D3DXMATRIX *pout, FLOAT scaling, CONST D3DXVECTOR3 *rotationcenter, CONST D3DXQUATERNION *rotation, CONST D3DXVECTOR3 *translation)
64 D3DXMATRIX m1, m2, m3, m4, m5, p1, p2, p3;
66 D3DXMatrixScaling(&m1, scaling, scaling, scaling);
67 if ( !rotationcenter )
69 D3DXMatrixIdentity(&m2);
70 D3DXMatrixIdentity(&m4);
74 D3DXMatrixTranslation(&m2, -rotationcenter->x, -rotationcenter->y, -rotationcenter->z);
75 D3DXMatrixTranslation(&m4, rotationcenter->x, rotationcenter->y, rotationcenter->z);
79 D3DXMatrixIdentity(&m3);
83 D3DXMatrixRotationQuaternion(&m3, rotation);
87 D3DXMatrixIdentity(&m5);
91 D3DXMatrixTranslation(&m5, translation->x, translation->y, translation->z);
93 D3DXMatrixMultiply(&p1, &m1, &m2);
94 D3DXMatrixMultiply(&p2, &p1, &m3);
95 D3DXMatrixMultiply(&p3, &p2, &m4);
96 D3DXMatrixMultiply(pout, &p3, &m5);
100 FLOAT WINAPI D3DXMatrixfDeterminant(CONST D3DXMATRIX *pm)
102 D3DXVECTOR4 minor, v1, v2, v3;
105 v1.x = pm->u.m[0][0]; v1.y = pm->u.m[1][0]; v1.z = pm->u.m[2][0]; v1.w = pm->u.m[3][0];
106 v2.x = pm->u.m[0][1]; v2.y = pm->u.m[1][1]; v2.z = pm->u.m[2][1]; v2.w = pm->u.m[3][1];
107 v3.x = pm->u.m[0][2]; v3.y = pm->u.m[1][2]; v3.z = pm->u.m[2][2]; v3.w = pm->u.m[3][2];
108 D3DXVec4Cross(&minor,&v1,&v2,&v3);
109 det = - (pm->u.m[0][3] * minor.x + pm->u.m[1][3] * minor.y + pm->u.m[2][3] * minor.z + pm->u.m[3][3] * minor.w);
113 D3DXMATRIX* WINAPI D3DXMatrixInverse(D3DXMATRIX *pout, FLOAT *pdeterminant, CONST D3DXMATRIX *pm)
116 D3DXVECTOR4 v, vec[3];
119 det = D3DXMatrixfDeterminant(pm);
120 if ( !det ) return NULL;
121 if ( pdeterminant ) *pdeterminant = det;
129 if ( j > i ) a = a-1;
130 vec[a].x = pm->u.m[j][0];
131 vec[a].y = pm->u.m[j][1];
132 vec[a].z = pm->u.m[j][2];
133 vec[a].w = pm->u.m[j][3];
136 D3DXVec4Cross(&v, &vec[0], &vec[1], &vec[2]);
137 pout->u.m[0][i] = pow(-1.0f, i) * v.x / det;
138 pout->u.m[1][i] = pow(-1.0f, i) * v.y / det;
139 pout->u.m[2][i] = pow(-1.0f, i) * v.z / det;
140 pout->u.m[3][i] = pow(-1.0f, i) * v.w / det;
145 D3DXMATRIX* WINAPI D3DXMatrixLookAtLH(D3DXMATRIX *pout, CONST D3DXVECTOR3 *peye, CONST D3DXVECTOR3 *pat, CONST D3DXVECTOR3 *pup)
147 D3DXVECTOR3 right, rightn, up, upn, vec, vec2;
149 D3DXVec3Subtract(&vec2, pat, peye);
150 D3DXVec3Normalize(&vec, &vec2);
151 D3DXVec3Cross(&right, pup, &vec);
152 D3DXVec3Cross(&up, &vec, &right);
153 D3DXVec3Normalize(&rightn, &right);
154 D3DXVec3Normalize(&upn, &up);
155 pout->u.m[0][0] = rightn.x;
156 pout->u.m[1][0] = rightn.y;
157 pout->u.m[2][0] = rightn.z;
158 pout->u.m[3][0] = -D3DXVec3Dot(&rightn,peye);
159 pout->u.m[0][1] = upn.x;
160 pout->u.m[1][1] = upn.y;
161 pout->u.m[2][1] = upn.z;
162 pout->u.m[3][1] = -D3DXVec3Dot(&upn, peye);
163 pout->u.m[0][2] = vec.x;
164 pout->u.m[1][2] = vec.y;
165 pout->u.m[2][2] = vec.z;
166 pout->u.m[3][2] = -D3DXVec3Dot(&vec, peye);
167 pout->u.m[0][3] = 0.0f;
168 pout->u.m[1][3] = 0.0f;
169 pout->u.m[2][3] = 0.0f;
170 pout->u.m[3][3] = 1.0f;
174 D3DXMATRIX* WINAPI D3DXMatrixLookAtRH(D3DXMATRIX *pout, CONST D3DXVECTOR3 *peye, CONST D3DXVECTOR3 *pat, CONST D3DXVECTOR3 *pup)
176 D3DXVECTOR3 right, rightn, up, upn, vec, vec2;
178 D3DXVec3Subtract(&vec2, pat, peye);
179 D3DXVec3Normalize(&vec, &vec2);
180 D3DXVec3Cross(&right, pup, &vec);
181 D3DXVec3Cross(&up, &vec, &right);
182 D3DXVec3Normalize(&rightn, &right);
183 D3DXVec3Normalize(&upn, &up);
184 pout->u.m[0][0] = -rightn.x;
185 pout->u.m[1][0] = -rightn.y;
186 pout->u.m[2][0] = -rightn.z;
187 pout->u.m[3][0] = D3DXVec3Dot(&rightn,peye);
188 pout->u.m[0][1] = upn.x;
189 pout->u.m[1][1] = upn.y;
190 pout->u.m[2][1] = upn.z;
191 pout->u.m[3][1] = -D3DXVec3Dot(&upn, peye);
192 pout->u.m[0][2] = -vec.x;
193 pout->u.m[1][2] = -vec.y;
194 pout->u.m[2][2] = -vec.z;
195 pout->u.m[3][2] = D3DXVec3Dot(&vec, peye);
196 pout->u.m[0][3] = 0.0f;
197 pout->u.m[1][3] = 0.0f;
198 pout->u.m[2][3] = 0.0f;
199 pout->u.m[3][3] = 1.0f;
203 D3DXMATRIX* WINAPI D3DXMatrixMultiply(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2)
211 pout->u.m[i][j] = pm1->u.m[i][0] * pm2->u.m[0][j] + pm1->u.m[i][1] * pm2->u.m[1][j] + pm1->u.m[i][2] * pm2->u.m[2][j] + pm1->u.m[i][3] * pm2->u.m[3][j];
217 D3DXMATRIX* WINAPI D3DXMatrixMultiplyTranspose(D3DXMATRIX *pout, CONST D3DXMATRIX *pm1, CONST D3DXMATRIX *pm2)
221 D3DXMatrixMultiply(&temp, pm1, pm2);
222 D3DXMatrixTranspose(pout, &temp);
226 D3DXMATRIX* WINAPI D3DXMatrixOrthoLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
228 D3DXMatrixIdentity(pout);
229 pout->u.m[0][0] = 2.0f / w;
230 pout->u.m[1][1] = 2.0f / h;
231 pout->u.m[2][2] = 1.0f / (zf - zn);
232 pout->u.m[3][2] = zn / (zn - zf);
236 D3DXMATRIX* WINAPI D3DXMatrixOrthoOffCenterLH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
238 D3DXMatrixIdentity(pout);
239 pout->u.m[0][0] = 2.0f / (r - l);
240 pout->u.m[1][1] = 2.0f / (t - b);
241 pout->u.m[2][2] = 1.0f / (zf -zn);
242 pout->u.m[3][0] = -1.0f -2.0f *l / (r - l);
243 pout->u.m[3][1] = 1.0f + 2.0f * t / (b - t);
244 pout->u.m[3][2] = zn / (zn -zf);
248 D3DXMATRIX* WINAPI D3DXMatrixOrthoOffCenterRH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
250 D3DXMatrixIdentity(pout);
251 pout->u.m[0][0] = 2.0f / (r - l);
252 pout->u.m[1][1] = 2.0f / (t - b);
253 pout->u.m[2][2] = 1.0f / (zn -zf);
254 pout->u.m[3][0] = -1.0f -2.0f *l / (r - l);
255 pout->u.m[3][1] = 1.0f + 2.0f * t / (b - t);
256 pout->u.m[3][2] = zn / (zn -zf);
260 D3DXMATRIX* WINAPI D3DXMatrixOrthoRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
262 D3DXMatrixIdentity(pout);
263 pout->u.m[0][0] = 2.0f / w;
264 pout->u.m[1][1] = 2.0f / h;
265 pout->u.m[2][2] = 1.0f / (zn - zf);
266 pout->u.m[3][2] = zn / (zn - zf);
270 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveFovLH(D3DXMATRIX *pout, FLOAT fovy, FLOAT aspect, FLOAT zn, FLOAT zf)
272 D3DXMatrixIdentity(pout);
273 pout->u.m[0][0] = 1.0f / (aspect * tan(fovy/2.0f));
274 pout->u.m[1][1] = 1.0f / tan(fovy/2.0f);
275 pout->u.m[2][2] = zf / (zf - zn);
276 pout->u.m[2][3] = 1.0f;
277 pout->u.m[3][2] = (zf * zn) / (zn - zf);
278 pout->u.m[3][3] = 0.0f;
282 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveFovRH(D3DXMATRIX *pout, FLOAT fovy, FLOAT aspect, FLOAT zn, FLOAT zf)
284 D3DXMatrixIdentity(pout);
285 pout->u.m[0][0] = 1.0f / (aspect * tan(fovy/2.0f));
286 pout->u.m[1][1] = 1.0f / tan(fovy/2.0f);
287 pout->u.m[2][2] = zf / (zn - zf);
288 pout->u.m[2][3] = -1.0f;
289 pout->u.m[3][2] = (zf * zn) / (zn - zf);
290 pout->u.m[3][3] = 0.0f;
294 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveLH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
296 D3DXMatrixIdentity(pout);
297 pout->u.m[0][0] = 2.0f * zn / w;
298 pout->u.m[1][1] = 2.0f * zn / h;
299 pout->u.m[2][2] = zf / (zf - zn);
300 pout->u.m[3][2] = (zn * zf) / (zn - zf);
301 pout->u.m[2][3] = 1.0f;
302 pout->u.m[3][3] = 0.0f;
306 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveOffCenterLH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
308 D3DXMatrixIdentity(pout);
309 pout->u.m[0][0] = 2.0f * zn / (r - l);
310 pout->u.m[1][1] = -2.0f * zn / (b - t);
311 pout->u.m[2][0] = -1.0f - 2.0f * l / (r - l);
312 pout->u.m[2][1] = 1.0f + 2.0f * t / (b - t);
313 pout->u.m[2][2] = - zf / (zn - zf);
314 pout->u.m[3][2] = (zn * zf) / (zn -zf);
315 pout->u.m[2][3] = 1.0f;
316 pout->u.m[3][3] = 0.0f;
320 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveOffCenterRH(D3DXMATRIX *pout, FLOAT l, FLOAT r, FLOAT b, FLOAT t, FLOAT zn, FLOAT zf)
322 D3DXMatrixIdentity(pout);
323 pout->u.m[0][0] = 2.0f * zn / (r - l);
324 pout->u.m[1][1] = -2.0f * zn / (b - t);
325 pout->u.m[2][0] = 1.0f + 2.0f * l / (r - l);
326 pout->u.m[2][1] = -1.0f -2.0f * t / (b - t);
327 pout->u.m[2][2] = zf / (zn - zf);
328 pout->u.m[3][2] = (zn * zf) / (zn -zf);
329 pout->u.m[2][3] = -1.0f;
330 pout->u.m[3][3] = 0.0f;
334 D3DXMATRIX* WINAPI D3DXMatrixPerspectiveRH(D3DXMATRIX *pout, FLOAT w, FLOAT h, FLOAT zn, FLOAT zf)
336 D3DXMatrixIdentity(pout);
337 pout->u.m[0][0] = 2.0f * zn / w;
338 pout->u.m[1][1] = 2.0f * zn / h;
339 pout->u.m[2][2] = zf / (zn - zf);
340 pout->u.m[3][2] = (zn * zf) / (zn - zf);
341 pout->u.m[2][3] = -1.0f;
342 pout->u.m[3][3] = 0.0f;
346 D3DXMATRIX* WINAPI D3DXMatrixReflect(D3DXMATRIX *pout, CONST D3DXPLANE *pplane)
350 D3DXPlaneNormalize(&Nplane, pplane);
351 D3DXMatrixIdentity(pout);
352 pout->u.m[0][0] = 1.0f - 2.0f * Nplane.a * Nplane.a;
353 pout->u.m[0][1] = -2.0f * Nplane.a * Nplane.b;
354 pout->u.m[0][2] = -2.0f * Nplane.a * Nplane.c;
355 pout->u.m[1][0] = -2.0f * Nplane.a * Nplane.b;
356 pout->u.m[1][1] = 1.0f - 2.0f * Nplane.b * Nplane.b;
357 pout->u.m[1][2] = -2.0f * Nplane.b * Nplane.c;
358 pout->u.m[2][0] = -2.0f * Nplane.c * Nplane.a;
359 pout->u.m[2][1] = -2.0f * Nplane.c * Nplane.b;
360 pout->u.m[2][2] = 1.0f - 2.0f * Nplane.c * Nplane.c;
361 pout->u.m[3][0] = -2.0f * Nplane.d * Nplane.a;
362 pout->u.m[3][1] = -2.0f * Nplane.d * Nplane.b;
363 pout->u.m[3][2] = -2.0f * Nplane.d * Nplane.c;
367 D3DXMATRIX* WINAPI D3DXMatrixRotationAxis(D3DXMATRIX *pout, CONST D3DXVECTOR3 *pv, FLOAT angle)
371 D3DXVec3Normalize(&v,pv);
372 D3DXMatrixIdentity(pout);
373 pout->u.m[0][0] = (1.0f - cos(angle)) * v.x * v.x + cos(angle);
374 pout->u.m[1][0] = (1.0f - cos(angle)) * v.x * v.y - sin(angle) * v.z;
375 pout->u.m[2][0] = (1.0f - cos(angle)) * v.x * v.z + sin(angle) * v.y;
376 pout->u.m[0][1] = (1.0f - cos(angle)) * v.y * v.x + sin(angle) * v.z;
377 pout->u.m[1][1] = (1.0f - cos(angle)) * v.y * v.y + cos(angle);
378 pout->u.m[2][1] = (1.0f - cos(angle)) * v.y * v.z - sin(angle) * v.x;
379 pout->u.m[0][2] = (1.0f - cos(angle)) * v.z * v.x - sin(angle) * v.y;
380 pout->u.m[1][2] = (1.0f - cos(angle)) * v.z * v.y + sin(angle) * v.x;
381 pout->u.m[2][2] = (1.0f - cos(angle)) * v.z * v.z + cos(angle);
385 D3DXMATRIX* WINAPI D3DXMatrixRotationQuaternion(D3DXMATRIX *pout, CONST D3DXQUATERNION *pq)
387 D3DXMatrixIdentity(pout);
388 pout->u.m[0][0] = 1.0f - 2.0f * (pq->y * pq->y + pq->z * pq->z);
389 pout->u.m[0][1] = 2.0f * (pq->x *pq->y + pq->z * pq->w);
390 pout->u.m[0][2] = 2.0f * (pq->x * pq->z - pq->y * pq->w);
391 pout->u.m[1][0] = 2.0f * (pq->x * pq->y - pq->z * pq->w);
392 pout->u.m[1][1] = 1.0f - 2.0f * (pq->x * pq->x + pq->z * pq->z);
393 pout->u.m[1][2] = 2.0f * (pq->y *pq->z + pq->x *pq->w);
394 pout->u.m[2][0] = 2.0f * (pq->x * pq->z + pq->y * pq->w);
395 pout->u.m[2][1] = 2.0f * (pq->y *pq->z - pq->x *pq->w);
396 pout->u.m[2][2] = 1.0f - 2.0f * (pq->x * pq->x + pq->y * pq->y);
400 D3DXMATRIX* WINAPI D3DXMatrixRotationX(D3DXMATRIX *pout, FLOAT angle)
402 D3DXMatrixIdentity(pout);
403 pout->u.m[1][1] = cos(angle);
404 pout->u.m[2][2] = cos(angle);
405 pout->u.m[1][2] = sin(angle);
406 pout->u.m[2][1] = -sin(angle);
410 D3DXMATRIX* WINAPI D3DXMatrixRotationY(D3DXMATRIX *pout, FLOAT angle)
412 D3DXMatrixIdentity(pout);
413 pout->u.m[0][0] = cos(angle);
414 pout->u.m[2][2] = cos(angle);
415 pout->u.m[0][2] = -sin(angle);
416 pout->u.m[2][0] = sin(angle);
420 D3DXMATRIX* WINAPI D3DXMatrixRotationYawPitchRoll(D3DXMATRIX *pout, FLOAT yaw, FLOAT pitch, FLOAT roll)
422 D3DXMATRIX m, pout1, pout2, pout3;
424 D3DXMatrixIdentity(&pout3);
425 D3DXMatrixRotationZ(&m,roll);
426 D3DXMatrixMultiply(&pout2,&pout3,&m);
427 D3DXMatrixRotationX(&m,pitch);
428 D3DXMatrixMultiply(&pout1,&pout2,&m);
429 D3DXMatrixRotationY(&m,yaw);
430 D3DXMatrixMultiply(pout,&pout1,&m);
433 D3DXMATRIX* WINAPI D3DXMatrixRotationZ(D3DXMATRIX *pout, FLOAT angle)
435 D3DXMatrixIdentity(pout);
436 pout->u.m[0][0] = cos(angle);
437 pout->u.m[1][1] = cos(angle);
438 pout->u.m[0][1] = sin(angle);
439 pout->u.m[1][0] = -sin(angle);
443 D3DXMATRIX* WINAPI D3DXMatrixScaling(D3DXMATRIX *pout, FLOAT sx, FLOAT sy, FLOAT sz)
445 D3DXMatrixIdentity(pout);
446 pout->u.m[0][0] = sx;
447 pout->u.m[1][1] = sy;
448 pout->u.m[2][2] = sz;
452 D3DXMATRIX* WINAPI D3DXMatrixShadow(D3DXMATRIX *pout, CONST D3DXVECTOR4 *plight, CONST D3DXPLANE *pplane)
457 D3DXPlaneNormalize(&Nplane, pplane);
458 dot = D3DXPlaneDot(&Nplane, plight);
459 pout->u.m[0][0] = dot - Nplane.a * plight->x;
460 pout->u.m[0][1] = -Nplane.a * plight->y;
461 pout->u.m[0][2] = -Nplane.a * plight->z;
462 pout->u.m[0][3] = -Nplane.a * plight->w;
463 pout->u.m[1][0] = -Nplane.b * plight->x;
464 pout->u.m[1][1] = dot - Nplane.b * plight->y;
465 pout->u.m[1][2] = -Nplane.b * plight->z;
466 pout->u.m[1][3] = -Nplane.b * plight->w;
467 pout->u.m[2][0] = -Nplane.c * plight->x;
468 pout->u.m[2][1] = -Nplane.c * plight->y;
469 pout->u.m[2][2] = dot - Nplane.c * plight->z;
470 pout->u.m[2][3] = -Nplane.c * plight->w;
471 pout->u.m[3][0] = -Nplane.d * plight->x;
472 pout->u.m[3][1] = -Nplane.d * plight->y;
473 pout->u.m[3][2] = -Nplane.d * plight->z;
474 pout->u.m[3][3] = dot - Nplane.d * plight->w;
478 D3DXMATRIX* WINAPI D3DXMatrixTransformation(D3DXMATRIX *pout, CONST D3DXVECTOR3 *pscalingcenter, CONST D3DXQUATERNION *pscalingrotation, CONST D3DXVECTOR3 *pscaling, CONST D3DXVECTOR3 *protationcenter, CONST D3DXQUATERNION *protation, CONST D3DXVECTOR3 *ptranslation)
480 D3DXMATRIX m1, m2, m3, m4, m5, m6, m7, p1, p2, p3, p4, p5;
484 if ( !pscalingcenter )
492 psc.x = pscalingcenter->x;
493 psc.y = pscalingcenter->y;
494 psc.z = pscalingcenter->z;
496 if ( !protationcenter )
504 prc.x = protationcenter->x;
505 prc.y = protationcenter->y;
506 prc.z = protationcenter->z;
516 pt.x = ptranslation->x;
517 pt.y = ptranslation->y;
518 pt.z = ptranslation->z;
520 D3DXMatrixTranslation(&m1, -psc.x, -psc.y, -psc.z);
521 if ( !pscalingrotation )
523 D3DXMatrixIdentity(&m2);
524 D3DXMatrixIdentity(&m4);
528 D3DXMatrixRotationQuaternion(&m4, pscalingrotation);
529 D3DXMatrixInverse(&m2, NULL, &m4);
533 D3DXMatrixIdentity(&m3);
537 D3DXMatrixScaling(&m3, pscaling->x, pscaling->y, pscaling->z);
541 D3DXMatrixIdentity(&m6);
545 D3DXMatrixRotationQuaternion(&m6, protation);
547 D3DXMatrixTranslation(&m5, psc.x - prc.x, psc.y - prc.y, psc.z - prc.z);
548 D3DXMatrixTranslation(&m7, prc.x + pt.x, prc.y + pt.y, prc.z + pt.z);
549 D3DXMatrixMultiply(&p1, &m1, &m2);
550 D3DXMatrixMultiply(&p2, &p1, &m3);
551 D3DXMatrixMultiply(&p3, &p2, &m4);
552 D3DXMatrixMultiply(&p4, &p3, &m5);
553 D3DXMatrixMultiply(&p5, &p4, &m6);
554 D3DXMatrixMultiply(pout, &p5, &m7);
558 D3DXMATRIX* WINAPI D3DXMatrixTranslation(D3DXMATRIX *pout, FLOAT x, FLOAT y, FLOAT z)
560 D3DXMatrixIdentity(pout);
567 D3DXMATRIX* WINAPI D3DXMatrixTranspose(D3DXMATRIX *pout, CONST D3DXMATRIX *pm)
575 pout->u.m[i][j] = pm->u.m[j][i];
581 /*_________________D3DXMatrixStack____________________*/
583 HRESULT WINAPI D3DXCreateMatrixStack(DWORD flags, LPD3DXMATRIXSTACK* ppstack)
585 ID3DXMatrixStackImpl* object;
587 object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ID3DXMatrixStackImpl));
588 if ( object == NULL )
591 return E_OUTOFMEMORY;
593 object->lpVtbl = &ID3DXMatrixStack_Vtbl;
596 *ppstack = (LPD3DXMATRIXSTACK)object;
600 static HRESULT WINAPI ID3DXMatrixStackImpl_QueryInterface(ID3DXMatrixStack *iface, REFIID riid, void **ppobj)
602 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
603 if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_ID3DXMatrixStack))
605 ID3DXMatrixStack_AddRef(iface);
610 ERR("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
611 return E_NOINTERFACE;
614 static ULONG WINAPI ID3DXMatrixStackImpl_AddRef(ID3DXMatrixStack *iface)
616 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
617 ULONG ref = InterlockedIncrement(&This->ref);
618 TRACE("(%p) : AddRef from %d\n", This, ref - 1);
622 static ULONG WINAPI ID3DXMatrixStackImpl_Release(ID3DXMatrixStack* iface)
624 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
625 ULONG ref = InterlockedDecrement(&This->ref);
626 if ( !ref ) HeapFree(GetProcessHeap(), 0, This);
627 TRACE("(%p) : ReleaseRef to %d\n", This, ref);
631 static D3DXMATRIX* WINAPI ID3DXMatrixStackImpl_GetTop(ID3DXMatrixStack *iface)
633 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
634 FIXME("(%p) : stub\n",This);
638 static HRESULT WINAPI ID3DXMatrixStackImpl_LoadIdentity(ID3DXMatrixStack *iface)
640 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
641 FIXME("(%p) : stub\n",This);
645 static HRESULT WINAPI ID3DXMatrixStackImpl_LoadMatrix(ID3DXMatrixStack *iface, LPD3DXMATRIX pm)
647 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
648 FIXME("(%p) : stub\n",This);
652 static HRESULT WINAPI ID3DXMatrixStackImpl_MultMatrix(ID3DXMatrixStack *iface, LPD3DXMATRIX pm)
654 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
655 FIXME("(%p) : stub\n",This);
659 static HRESULT WINAPI ID3DXMatrixStackImpl_MultMatrixLocal(ID3DXMatrixStack *iface, LPD3DXMATRIX pm)
661 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
662 FIXME("(%p) : stub\n",This);
666 static HRESULT WINAPI ID3DXMatrixStackImpl_Pop(ID3DXMatrixStack *iface)
668 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
669 FIXME("(%p) : stub\n",This);
673 static HRESULT WINAPI ID3DXMatrixStackImpl_Push(ID3DXMatrixStack *iface)
675 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
676 FIXME("(%p) : stub\n",This);
680 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateAxis(ID3DXMatrixStack *iface, LPD3DXVECTOR3 pv, FLOAT angle)
682 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
683 FIXME("(%p) : stub\n",This);
687 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateAxisLocal(ID3DXMatrixStack *iface, LPD3DXVECTOR3 pv, FLOAT angle)
689 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
690 FIXME("(%p) : stub\n",This);
694 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateYawPitchRoll(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
696 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
697 FIXME("(%p) : stub\n",This);
701 static HRESULT WINAPI ID3DXMatrixStackImpl_RotateYawPitchRollLocal(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
703 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
704 FIXME("(%p) : stub\n",This);
708 static HRESULT WINAPI ID3DXMatrixStackImpl_Scale(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
710 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
711 FIXME("(%p) : stub\n",This);
715 static HRESULT WINAPI ID3DXMatrixStackImpl_ScaleLocal(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
717 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
718 FIXME("(%p) : stub\n",This);
722 static HRESULT WINAPI ID3DXMatrixStackImpl_Translate(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
724 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
725 FIXME("(%p) : stub\n",This);
729 static HRESULT WINAPI ID3DXMatrixStackImpl_TranslateLocal(ID3DXMatrixStack *iface, FLOAT x, FLOAT y, FLOAT z)
731 ID3DXMatrixStackImpl *This = (ID3DXMatrixStackImpl *)iface;
732 FIXME("(%p) : stub\n",This);
736 static const ID3DXMatrixStackVtbl ID3DXMatrixStack_Vtbl =
738 ID3DXMatrixStackImpl_QueryInterface,
739 ID3DXMatrixStackImpl_AddRef,
740 ID3DXMatrixStackImpl_Release,
741 ID3DXMatrixStackImpl_Pop,
742 ID3DXMatrixStackImpl_Push,
743 ID3DXMatrixStackImpl_LoadIdentity,
744 ID3DXMatrixStackImpl_LoadMatrix,
745 ID3DXMatrixStackImpl_MultMatrix,
746 ID3DXMatrixStackImpl_MultMatrixLocal,
747 ID3DXMatrixStackImpl_RotateAxis,
748 ID3DXMatrixStackImpl_RotateAxisLocal,
749 ID3DXMatrixStackImpl_RotateYawPitchRoll,
750 ID3DXMatrixStackImpl_RotateYawPitchRollLocal,
751 ID3DXMatrixStackImpl_Scale,
752 ID3DXMatrixStackImpl_ScaleLocal,
753 ID3DXMatrixStackImpl_Translate,
754 ID3DXMatrixStackImpl_TranslateLocal,
755 ID3DXMatrixStackImpl_GetTop
758 /*_________________D3DXPLANE________________*/
760 D3DXPLANE* WINAPI D3DXPlaneFromPointNormal(D3DXPLANE *pout, CONST D3DXVECTOR3 *pvpoint, CONST D3DXVECTOR3 *pvnormal)
762 pout->a = pvnormal->x;
763 pout->b = pvnormal->y;
764 pout->c = pvnormal->z;
765 pout->d = -D3DXVec3Dot(pvpoint, pvnormal);
769 D3DXPLANE* WINAPI D3DXPlaneFromPoints(D3DXPLANE *pout, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pv3)
771 D3DXVECTOR3 edge1, edge2, normal, Nnormal;
773 edge1.x = 0.0f; edge1.y = 0.0f; edge1.z = 0.0f;
774 edge2.x = 0.0f; edge2.y = 0.0f; edge2.z = 0.0f;
775 D3DXVec3Subtract(&edge1, pv2, pv1);
776 D3DXVec3Subtract(&edge2, pv3, pv1);
777 D3DXVec3Cross(&normal, &edge1, &edge2);
778 D3DXVec3Normalize(&Nnormal, &normal);
779 D3DXPlaneFromPointNormal(pout, pv1, &Nnormal);
783 D3DXVECTOR3* WINAPI D3DXPlaneIntersectLine(D3DXVECTOR3 *pout, CONST D3DXPLANE *pp, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2)
785 D3DXVECTOR3 direction, normal;
791 direction.x = pv2->x - pv1->x;
792 direction.y = pv2->y - pv1->y;
793 direction.z = pv2->z - pv1->z;
794 dot = D3DXVec3Dot(&normal, &direction);
795 if ( !dot ) return NULL;
796 temp = ( pp->d + D3DXVec3Dot(&normal, pv1) ) / dot;
797 pout->x = pv1->x - temp * direction.x;
798 pout->y = pv1->y - temp * direction.y;
799 pout->z = pv1->z - temp * direction.z;
803 D3DXPLANE* WINAPI D3DXPlaneNormalize(D3DXPLANE *pout, CONST D3DXPLANE *pp)
807 norm = sqrt(pp->a * pp->a + pp->b * pp->b + pp->c * pp->c);
810 pout->a = pp->a / norm;
811 pout->b = pp->b / norm;
812 pout->c = pp->c / norm;
813 pout->d = pp->d / norm;
825 D3DXPLANE* WINAPI D3DXPlaneTransform(D3DXPLANE *pout, CONST D3DXPLANE *pplane, CONST D3DXMATRIX *pm)
827 pout->a = pm->u.m[0][0] * pplane->a + pm->u.m[1][0] * pplane->b + pm->u.m[2][0] * pplane->c + pm->u.m[3][0] * pplane->d;
828 pout->b = pm->u.m[0][1] * pplane->a + pm->u.m[1][1] * pplane->b + pm->u.m[2][1] * pplane->c + pm->u.m[3][1] * pplane->d;
829 pout->c = pm->u.m[0][2] * pplane->a + pm->u.m[1][2] * pplane->b + pm->u.m[2][2] * pplane->c + pm->u.m[3][2] * pplane->d;
830 pout->d = pm->u.m[0][3] * pplane->a + pm->u.m[1][3] * pplane->b + pm->u.m[2][3] * pplane->c + pm->u.m[3][3] * pplane->d;
834 /*_________________D3DXQUATERNION________________*/
836 D3DXQUATERNION* WINAPI D3DXQuaternionBaryCentric(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, CONST D3DXQUATERNION *pq3, FLOAT f, FLOAT g)
838 D3DXQUATERNION temp1, temp2;
839 D3DXQuaternionSlerp(pout, D3DXQuaternionSlerp(&temp1, pq1, pq2, f + g), D3DXQuaternionSlerp(&temp2, pq1, pq3, f+g), g / (f + g));
843 D3DXQUATERNION* WINAPI D3DXQuaternionExp(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
847 norm = sqrt(pq->x * pq->x + pq->y * pq->y + pq->z * pq->z);
850 pout->x = sin(norm) * pq->x / norm;
851 pout->y = sin(norm) * pq->y / norm;
852 pout->z = sin(norm) * pq->z / norm;
865 D3DXQUATERNION* WINAPI D3DXQuaternionInverse(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
875 norm = D3DXQuaternionLengthSq(pq);
885 D3DXQuaternionConjugate(&temp, pq);
886 pout->x = temp.x / norm;
887 pout->y = temp.y / norm;
888 pout->z = temp.z / norm;
889 pout->w = temp.w / norm;
894 D3DXQUATERNION* WINAPI D3DXQuaternionLn(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
896 FLOAT norm, normvec, theta;
898 norm = D3DXQuaternionLengthSq(pq);
899 if ( norm > 1.0001f )
906 else if( norm > 0.99999f)
908 normvec = sqrt( pq->x * pq->x + pq->y * pq->y + pq->z * pq->z );
909 theta = atan2(normvec, pq->w) / normvec;
910 pout->x = theta * pq->x;
911 pout->y = theta * pq->y;
912 pout->z = theta * pq->z;
917 FIXME("The quaternion (%f, %f, %f, %f) has a norm <1. This should not happen. Windows returns a result anyway. This case is not implemented yet.\n", pq->x, pq->y, pq->z, pq->w);
922 D3DXQUATERNION* WINAPI D3DXQuaternionMultiply(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2)
924 pout->x = pq2->w * pq1->x + pq2->x * pq1->w + pq2->y * pq1->z - pq2->z * pq1->y;
925 pout->y = pq2->w * pq1->y - pq2->x * pq1->z + pq2->y * pq1->w + pq2->z * pq1->x;
926 pout->z = pq2->w * pq1->z + pq2->x * pq1->y - pq2->y * pq1->x + pq2->z * pq1->w;
927 pout->w = pq2->w * pq1->w - pq2->x * pq1->x - pq2->y * pq1->y - pq2->z * pq1->z;
931 D3DXQUATERNION* WINAPI D3DXQuaternionNormalize(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq)
935 norm = D3DXQuaternionLength(pq);
945 pout->x = pq->x / norm;
946 pout->y = pq->y / norm;
947 pout->z = pq->z / norm;
948 pout->w = pq->w / norm;
953 D3DXQUATERNION* WINAPI D3DXQuaternionRotationAxis(D3DXQUATERNION *pout, CONST D3DXVECTOR3 *pv, FLOAT angle)
957 D3DXVec3Normalize(&temp, pv);
958 pout->x = sin( angle / 2.0f ) * temp.x;
959 pout->y = sin( angle / 2.0f ) * temp.y;
960 pout->z = sin( angle / 2.0f ) * temp.z;
961 pout->w = cos( angle / 2.0f );
965 D3DXQUATERNION* WINAPI D3DXQuaternionRotationMatrix(D3DXQUATERNION *pout, CONST D3DXMATRIX *pm)
968 FLOAT maxdiag, S, trace;
970 trace = pm->u.m[0][0] + pm->u.m[1][1] + pm->u.m[2][2] + 1.0f;
973 pout->x = ( pm->u.m[1][2] - pm->u.m[2][1] ) / ( 2.0f * sqrt(trace) );
974 pout->y = ( pm->u.m[2][0] - pm->u.m[0][2] ) / ( 2.0f * sqrt(trace) );
975 pout->z = ( pm->u.m[0][1] - pm->u.m[1][0] ) / ( 2.0f * sqrt(trace) );
976 pout->w = sqrt(trace) / 2.0f;
980 maxdiag = pm->u.m[0][0];
983 if ( pm->u.m[i][i] > maxdiag )
986 maxdiag = pm->u.m[i][i];
992 S = 2.0f * sqrt(1.0f + pm->u.m[0][0] - pm->u.m[1][1] - pm->u.m[2][2]);
994 pout->y = ( pm->u.m[0][1] + pm->u.m[1][0] ) / S;
995 pout->z = ( pm->u.m[0][2] + pm->u.m[2][0] ) / S;
996 pout->w = ( pm->u.m[1][2] - pm->u.m[2][1] ) / S;
999 S = 2.0f * sqrt(1.0f + pm->u.m[1][1] - pm->u.m[0][0] - pm->u.m[2][2]);
1000 pout->x = ( pm->u.m[0][1] + pm->u.m[1][0] ) / S;
1001 pout->y = 0.25f * S;
1002 pout->z = ( pm->u.m[1][2] + pm->u.m[2][1] ) / S;
1003 pout->w = ( pm->u.m[2][0] - pm->u.m[0][2] ) / S;
1006 S = 2.0f * sqrt(1.0f + pm->u.m[2][2] - pm->u.m[0][0] - pm->u.m[1][1]);
1007 pout->x = ( pm->u.m[0][2] + pm->u.m[2][0] ) / S;
1008 pout->y = ( pm->u.m[1][2] + pm->u.m[2][1] ) / S;
1009 pout->z = 0.25f * S;
1010 pout->w = ( pm->u.m[0][1] - pm->u.m[1][0] ) / S;
1016 D3DXQUATERNION* WINAPI D3DXQuaternionRotationYawPitchRoll(D3DXQUATERNION *pout, FLOAT yaw, FLOAT pitch, FLOAT roll)
1018 pout->x = sin( yaw / 2.0f) * cos(pitch / 2.0f) * sin(roll / 2.0f) + cos(yaw / 2.0f) * sin(pitch / 2.0f) * cos(roll / 2.0f);
1019 pout->y = sin( yaw / 2.0f) * cos(pitch / 2.0f) * cos(roll / 2.0f) - cos(yaw / 2.0f) * sin(pitch / 2.0f) * sin(roll / 2.0f);
1020 pout->z = cos(yaw / 2.0f) * cos(pitch / 2.0f) * sin(roll / 2.0f) - sin( yaw / 2.0f) * sin(pitch / 2.0f) * cos(roll / 2.0f);
1021 pout->w = cos( yaw / 2.0f) * cos(pitch / 2.0f) * cos(roll / 2.0f) + sin(yaw / 2.0f) * sin(pitch / 2.0f) * sin(roll / 2.0f);
1025 D3DXQUATERNION* WINAPI D3DXQuaternionSlerp(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, FLOAT t)
1030 dot = D3DXQuaternionDot(pq1, pq2);
1031 if ( dot < 0.0f) epsilon = -1.0f;
1032 pout->x = (1.0f - t) * pq1->x + epsilon * t * pq2->x;
1033 pout->y = (1.0f - t) * pq1->y + epsilon * t * pq2->y;
1034 pout->z = (1.0f - t) * pq1->z + epsilon * t * pq2->z;
1035 pout->w = (1.0f - t) * pq1->w + epsilon * t * pq2->w;
1039 D3DXQUATERNION* WINAPI D3DXQuaternionSquad(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2, CONST D3DXQUATERNION *pq3, CONST D3DXQUATERNION *pq4, FLOAT t)
1041 D3DXQUATERNION temp1, temp2;
1043 D3DXQuaternionSlerp(pout, D3DXQuaternionSlerp(&temp1, pq1, pq4, t), D3DXQuaternionSlerp(&temp2, pq2, pq3, t), 2.0f * t * (1.0f - t));
1047 void WINAPI D3DXQuaternionToAxisAngle(CONST D3DXQUATERNION *pq, D3DXVECTOR3 *paxis, FLOAT *pangle)
1052 norm = D3DXQuaternionLength(pq);
1055 paxis->x = pq->x / norm;
1056 paxis->y = pq->y / norm;
1057 paxis->z = pq->z / norm;
1058 if ( fabs( pq->w ) <= 1.0f ) *pangle = 2.0f * acos(pq->w);
1068 /*_________________D3DXVec2_____________________*/
1070 D3DXVECTOR2* WINAPI D3DXVec2BaryCentric(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pv3, FLOAT f, FLOAT g)
1072 pout->x = (1.0f-f-g) * (pv1->x) + f * (pv2->x) + g * (pv3->x);
1073 pout->y = (1.0f-f-g) * (pv1->y) + f * (pv2->y) + g * (pv3->y);
1077 D3DXVECTOR2* WINAPI D3DXVec2CatmullRom(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv0, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pv3, FLOAT s)
1079 pout->x = 0.5f * (2.0f * pv1->x + (pv2->x - pv0->x) *s + (2.0f *pv0->x - 5.0f * pv1->x + 4.0f * pv2->x - pv3->x) * s * s + (pv3->x -3.0f * pv2->x + 3.0f * pv1->x - pv0->x) * s * s * s);
1080 pout->y = 0.5f * (2.0f * pv1->y + (pv2->y - pv0->y) *s + (2.0f *pv0->y - 5.0f * pv1->y + 4.0f * pv2->y - pv3->y) * s * s + (pv3->y -3.0f * pv2->y + 3.0f * pv1->y - pv0->y) * s * s * s);
1084 D3DXVECTOR2* WINAPI D3DXVec2Hermite(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pt1, CONST D3DXVECTOR2 *pv2, CONST D3DXVECTOR2 *pt2, FLOAT s)
1086 FLOAT h1, h2, h3, h4;
1088 h1 = 2.0f * s * s * s - 3.0f * s * s + 1.0f;
1089 h2 = s * s * s - 2.0f * s * s + s;
1090 h3 = -2.0f * s * s * s + 3.0f * s * s;
1091 h4 = s * s * s - s * s;
1093 pout->x = h1 * (pv1->x) + h2 * (pt1->x) + h3 * (pv2->x) + h4 * (pt2->x);
1094 pout->y = h1 * (pv1->y) + h2 * (pt1->y) + h3 * (pv2->y) + h4 * (pt2->y);
1098 D3DXVECTOR2* WINAPI D3DXVec2Normalize(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv)
1102 norm = D3DXVec2Length(pv);
1110 pout->x = pv->x / norm;
1111 pout->y = pv->y / norm;
1116 D3DXVECTOR4* WINAPI D3DXVec2Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR2 *pv, CONST D3DXMATRIX *pm)
1118 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[3][0];
1119 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[3][1];
1120 pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[3][2];
1121 pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[3][3];
1125 D3DXVECTOR2* WINAPI D3DXVec2TransformCoord(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv, CONST D3DXMATRIX *pm)
1129 norm = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[3][3];
1132 pout->x = (pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[3][0]) / norm;
1133 pout->y = (pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[3][1]) / norm;
1143 D3DXVECTOR2* WINAPI D3DXVec2TransformNormal(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv, CONST D3DXMATRIX *pm)
1145 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y;
1146 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y;
1150 /*_________________D3DXVec3_____________________*/
1152 D3DXVECTOR3* WINAPI D3DXVec3BaryCentric(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pv3, FLOAT f, FLOAT g)
1154 pout->x = (1.0f-f-g) * (pv1->x) + f * (pv2->x) + g * (pv3->x);
1155 pout->y = (1.0f-f-g) * (pv1->y) + f * (pv2->y) + g * (pv3->y);
1156 pout->z = (1.0f-f-g) * (pv1->z) + f * (pv2->z) + g * (pv3->z);
1160 D3DXVECTOR3* WINAPI D3DXVec3CatmullRom( D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv0, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pv3, FLOAT s)
1162 pout->x = 0.5f * (2.0f * pv1->x + (pv2->x - pv0->x) *s + (2.0f *pv0->x - 5.0f * pv1->x + 4.0f * pv2->x - pv3->x) * s * s + (pv3->x -3.0f * pv2->x + 3.0f * pv1->x - pv0->x) * s * s * s);
1163 pout->y = 0.5f * (2.0f * pv1->y + (pv2->y - pv0->y) *s + (2.0f *pv0->y - 5.0f * pv1->y + 4.0f * pv2->y - pv3->y) * s * s + (pv3->y -3.0f * pv2->y + 3.0f * pv1->y - pv0->y) * s * s * s);
1164 pout->z = 0.5f * (2.0f * pv1->z + (pv2->z - pv0->z) *s + (2.0f *pv0->z - 5.0f * pv1->z + 4.0f * pv2->z - pv3->z) * s * s + (pv3->z -3.0f * pv2->z + 3.0f * pv1->z - pv0->z) * s * s * s);
1168 D3DXVECTOR3* WINAPI D3DXVec3Hermite(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv1, CONST D3DXVECTOR3 *pt1, CONST D3DXVECTOR3 *pv2, CONST D3DXVECTOR3 *pt2, FLOAT s)
1170 FLOAT h1, h2, h3, h4;
1172 h1 = 2.0f * s * s * s - 3.0f * s * s + 1.0f;
1173 h2 = s * s * s - 2.0f * s * s + s;
1174 h3 = -2.0f * s * s * s + 3.0f * s * s;
1175 h4 = s * s * s - s * s;
1177 pout->x = h1 * (pv1->x) + h2 * (pt1->x) + h3 * (pv2->x) + h4 * (pt2->x);
1178 pout->y = h1 * (pv1->y) + h2 * (pt1->y) + h3 * (pv2->y) + h4 * (pt2->y);
1179 pout->z = h1 * (pv1->z) + h2 * (pt1->z) + h3 * (pv2->z) + h4 * (pt2->z);
1183 D3DXVECTOR3* WINAPI D3DXVec3Normalize(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv)
1187 norm = D3DXVec3Length(pv);
1196 pout->x = pv->x / norm;
1197 pout->y = pv->y / norm;
1198 pout->z = pv->z / norm;
1203 D3DXVECTOR3* WINAPI D3DXVec3Project(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DVIEWPORT8 *pviewport, CONST D3DXMATRIX *pprojection, CONST D3DXMATRIX *pview, CONST D3DXMATRIX *pworld)
1208 D3DXMatrixMultiply(&m1, pworld, pview);
1209 D3DXMatrixMultiply(&m2, &m1, pprojection);
1210 D3DXVec3TransformCoord(&vec, pv, &m2);
1211 pout->x = pviewport->X + ( 1.0f + vec.x ) * pviewport->Width / 2.0f;
1212 pout->y = pviewport->Y + ( 1.0f - vec.y ) * pviewport->Height / 2.0f;
1213 pout->z = pviewport->MinZ + vec.z * ( pviewport->MaxZ - pviewport->MinZ );
1217 D3DXVECTOR4* WINAPI D3DXVec3Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm)
1219 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0];
1220 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1];
1221 pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2];
1222 pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] * pv->z + pm->u.m[3][3];
1226 D3DXVECTOR3* WINAPI D3DXVec3TransformCoord(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm)
1230 norm = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] *pv->z + pm->u.m[3][3];
1234 pout->x = (pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0]) / norm;
1235 pout->y = (pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1]) / norm;
1236 pout->z = (pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2]) / norm;
1247 D3DXVECTOR3* WINAPI D3DXVec3TransformNormal(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DXMATRIX *pm)
1249 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z;
1250 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z;
1251 pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z;
1256 D3DXVECTOR3* WINAPI D3DXVec3Unproject(D3DXVECTOR3 *pout, CONST D3DXVECTOR3 *pv, CONST D3DVIEWPORT8 *pviewport, CONST D3DXMATRIX *pprojection, CONST D3DXMATRIX *pview, CONST D3DXMATRIX *pworld)
1258 D3DXMATRIX m1, m2, m3;
1261 D3DXMatrixMultiply(&m1, pworld, pview);
1262 D3DXMatrixMultiply(&m2, &m1, pprojection);
1263 D3DXMatrixInverse(&m3, NULL, &m2);
1264 vec.x = 2.0f * ( pv->x - pviewport->X ) / pviewport->Width - 1.0f;
1265 vec.y = 1.0f - 2.0f * ( pv->y - pviewport->Y ) / pviewport->Height;
1266 vec.z = ( pv->z - pviewport->MinZ) / ( pviewport->MaxZ - pviewport->MinZ );
1267 D3DXVec3TransformCoord(pout, &vec, &m3);
1271 /*_________________D3DXVec4_____________________*/
1273 D3DXVECTOR4* WINAPI D3DXVec4BaryCentric(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pv3, FLOAT f, FLOAT g)
1275 pout->x = (1.0f-f-g) * (pv1->x) + f * (pv2->x) + g * (pv3->x);
1276 pout->y = (1.0f-f-g) * (pv1->y) + f * (pv2->y) + g * (pv3->y);
1277 pout->z = (1.0f-f-g) * (pv1->z) + f * (pv2->z) + g * (pv3->z);
1278 pout->w = (1.0f-f-g) * (pv1->w) + f * (pv2->w) + g * (pv3->w);
1282 D3DXVECTOR4* WINAPI D3DXVec4CatmullRom(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv0, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pv3, FLOAT s)
1284 pout->x = 0.5f * (2.0f * pv1->x + (pv2->x - pv0->x) *s + (2.0f *pv0->x - 5.0f * pv1->x + 4.0f * pv2->x - pv3->x) * s * s + (pv3->x -3.0f * pv2->x + 3.0f * pv1->x - pv0->x) * s * s * s);
1285 pout->y = 0.5f * (2.0f * pv1->y + (pv2->y - pv0->y) *s + (2.0f *pv0->y - 5.0f * pv1->y + 4.0f * pv2->y - pv3->y) * s * s + (pv3->y -3.0f * pv2->y + 3.0f * pv1->y - pv0->y) * s * s * s);
1286 pout->z = 0.5f * (2.0f * pv1->z + (pv2->z - pv0->z) *s + (2.0f *pv0->z - 5.0f * pv1->z + 4.0f * pv2->z - pv3->z) * s * s + (pv3->z -3.0f * pv2->z + 3.0f * pv1->z - pv0->z) * s * s * s);
1287 pout->w = 0.5f * (2.0f * pv1->w + (pv2->w - pv0->w) *s + (2.0f *pv0->w - 5.0f * pv1->w + 4.0f * pv2->w - pv3->w) * s * s + (pv3->w -3.0f * pv2->w + 3.0f * pv1->w - pv0->w) * s * s * s);
1291 D3DXVECTOR4* WINAPI D3DXVec4Cross(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pv3)
1293 pout->x = pv1->y * (pv2->z * pv3->w - pv3->z * pv2->w) - pv1->z * (pv2->y * pv3->w - pv3->y * pv2->w) + pv1->w * (pv2->y * pv3->z - pv2->z *pv3->y);
1294 pout->y = -(pv1->x * (pv2->z * pv3->w - pv3->z * pv2->w) - pv1->z * (pv2->x * pv3->w - pv3->x * pv2->w) + pv1->w * (pv2->x * pv3->z - pv3->x * pv2->z));
1295 pout->z = pv1->x * (pv2->y * pv3->w - pv3->y * pv2->w) - pv1->y * (pv2->x *pv3->w - pv3->x * pv2->w) + pv1->w * (pv2->x * pv3->y - pv3->x * pv2->y);
1296 pout->w = -(pv1->x * (pv2->y * pv3->z - pv3->y * pv2->z) - pv1->y * (pv2->x * pv3->z - pv3->x *pv2->z) + pv1->z * (pv2->x * pv3->y - pv3->x * pv2->y));
1300 D3DXVECTOR4* WINAPI D3DXVec4Hermite(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv1, CONST D3DXVECTOR4 *pt1, CONST D3DXVECTOR4 *pv2, CONST D3DXVECTOR4 *pt2, FLOAT s)
1302 FLOAT h1, h2, h3, h4;
1304 h1 = 2.0f * s * s * s - 3.0f * s * s + 1.0f;
1305 h2 = s * s * s - 2.0f * s * s + s;
1306 h3 = -2.0f * s * s * s + 3.0f * s * s;
1307 h4 = s * s * s - s * s;
1309 pout->x = h1 * (pv1->x) + h2 * (pt1->x) + h3 * (pv2->x) + h4 * (pt2->x);
1310 pout->y = h1 * (pv1->y) + h2 * (pt1->y) + h3 * (pv2->y) + h4 * (pt2->y);
1311 pout->z = h1 * (pv1->z) + h2 * (pt1->z) + h3 * (pv2->z) + h4 * (pt2->z);
1312 pout->w = h1 * (pv1->w) + h2 * (pt1->w) + h3 * (pv2->w) + h4 * (pt2->w);
1316 D3DXVECTOR4* WINAPI D3DXVec4Normalize(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv)
1320 norm = D3DXVec4Length(pv);
1330 pout->x = pv->x / norm;
1331 pout->y = pv->y / norm;
1332 pout->z = pv->z / norm;
1333 pout->w = pv->w / norm;
1338 D3DXVECTOR4* WINAPI D3DXVec4Transform(D3DXVECTOR4 *pout, CONST D3DXVECTOR4 *pv, CONST D3DXMATRIX *pm)
1340 pout->x = pm->u.m[0][0] * pv->x + pm->u.m[1][0] * pv->y + pm->u.m[2][0] * pv->z + pm->u.m[3][0] * pv->w;
1341 pout->y = pm->u.m[0][1] * pv->x + pm->u.m[1][1] * pv->y + pm->u.m[2][1] * pv->z + pm->u.m[3][1] * pv->w;
1342 pout->z = pm->u.m[0][2] * pv->x + pm->u.m[1][2] * pv->y + pm->u.m[2][2] * pv->z + pm->u.m[3][2] * pv->w;
1343 pout->w = pm->u.m[0][3] * pv->x + pm->u.m[1][3] * pv->y + pm->u.m[2][3] * pv->z + pm->u.m[3][3] * pv->w;