Mercurial > hg > Game > Cerium
annotate Renderer/Engine/Camera.cc @ 898:302ebfc75a79 draft
merge
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 16 Jul 2010 19:00:49 +0900 |
| parents | fda7b71c3cc6 |
| children | e9a64c42e5d0 |
| rev | line source |
|---|---|
| 539 | 1 #include <math.h> |
| 2 #include "SceneGraphRoot.h" | |
| 3 #include "Camera.h" | |
| 4 #include "sys.h" | |
| 5 #include "Scheduler.h" | |
| 6 #include "TaskManager.h" | |
| 7 | |
|
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8 //static SceneGraphRoot *sgroot; |
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9 |
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10 #if 1 |
| 539 | 11 static void |
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12 camera_move(SceneGraphPtr _node, void *sgroot_, int screen_w, int screen_h) |
| 539 | 13 { |
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14 SceneGraphRoot *sgroot = (SceneGraphRoot *)sgroot_; |
| 539 | 15 Pad *pad = sgroot->getController(); |
| 16 CameraPtr node = (CameraPtr)_node; | |
| 17 | |
| 18 #if 0 | |
| 19 if (pad->right.isHold()) { | |
| 20 node->xyz[0] += 10.0f; | |
| 21 } else if (pad->left.isHold()) { | |
| 22 node->xyz[0] -= 10.0f; | |
| 23 } | |
| 24 | |
| 25 if (pad->up.isPush() || pad->up.isHold()) { | |
| 26 node->xyz[1] -= 2.0f; | |
| 27 } else if (pad->down.isPush() || pad->down.isHold()) { | |
| 28 node->xyz[1] += 2.0f; | |
| 29 } | |
| 30 #endif | |
| 31 | |
| 32 /* | |
| 33 * ここに show_dma_wait 表示をいれようか | |
| 34 */ | |
| 35 | |
| 36 /* | |
| 37 if (pad->r1.isPush()) { | |
| 38 show_time(manager); | |
| 39 } | |
| 40 */ | |
| 41 | |
| 42 if (pad->r1.isPush() || pad->r1.isHold()) { | |
| 43 node->xyz[2] += 10.0f; | |
| 44 } else if (pad->l1.isPush() || pad->l1.isHold()) { | |
| 45 node->xyz[2] -= 10.0f; | |
| 46 } | |
| 47 | |
| 48 if (pad->r2.isHold()) { | |
| 49 if (node->zd[0] <= 1.0f) { | |
| 50 node->zd[0] += 0.02f; | |
| 51 } | |
| 52 if (node->zd[2] >= 0.0f) { | |
| 53 node->zd[2] -= 0.02f; | |
| 54 } | |
| 55 } else if (pad->l2.isHold()) { | |
| 56 if (node->zd[0] > -1.0f) { | |
| 57 node->zd[0] -= -0.02f; | |
| 58 } | |
| 59 if (node->zd[2] >= 0.0f) { | |
| 60 node->zd[2] -= 0.02f; | |
| 61 } | |
| 62 } else { | |
| 63 node->zd[0] = 0.0f; | |
| 64 node->zd[2] = 1.0f; | |
| 65 } | |
| 66 | |
| 67 } | |
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68 #endif |
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69 |
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70 #if 0 |
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71 static void |
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72 Camera::camera_move(SceneGraphPtr _node, int screen_w, int screen_h) |
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73 { |
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74 Pad *pad = sgroot->getController(); |
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75 CameraPtr node = (CameraPtr)_node; |
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76 |
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77 if (pad->r1.isPush() || pad->r1.isHold()) { |
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78 node->xyz[2] += 10.0f; |
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79 } else if (pad->l1.isPush() || pad->l1.isHold()) { |
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80 node->xyz[2] -= 10.0f; |
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81 } |
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82 |
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83 if (pad->r2.isHold()) { |
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84 if (node->zd[0] <= 1.0f) { |
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85 node->zd[0] += 0.02f; |
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86 } |
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87 if (node->zd[2] >= 0.0f) { |
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88 node->zd[2] -= 0.02f; |
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89 } |
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90 } else if (pad->l2.isHold()) { |
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91 if (node->zd[0] > -1.0f) { |
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92 node->zd[0] -= -0.02f; |
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93 } |
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94 if (node->zd[2] >= 0.0f) { |
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95 node->zd[2] -= 0.02f; |
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96 } |
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97 } else { |
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98 node->zd[0] = 0.0f; |
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99 node->zd[2] = 1.0f; |
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100 } |
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101 |
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102 } |
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103 #endif |
| 539 | 104 |
| 105 static void | |
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106 camera_collision(SceneGraphPtr node, void *sgroot_,int screen_w, int screen_h, |
| 539 | 107 SceneGraphPtr tree) |
| 108 { | |
| 109 } | |
| 110 | |
| 111 /** | |
| 112 * @param w Width of screen | |
| 113 * @param h Height of screen | |
| 114 */ | |
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115 Camera::Camera(float w, float h, SceneGraphRoot *sgroot_) |
| 539 | 116 { |
| 117 name = (char*)"Camera"; | |
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118 sgroot = sgroot_; |
| 539 | 119 |
| 120 fov = 60.0f; | |
| 121 near = 0.0f; | |
| 122 far = 1000.0f; | |
| 123 | |
| 124 zd[0] = 0.0f; | |
| 125 zd[1] = 0.0f; | |
| 126 zd[2] = 1.0f; | |
| 127 zd[3] = 1.0f; | |
| 128 | |
| 129 yd[0] = 0.0f; | |
| 130 yd[1] = 1.0f; | |
| 131 yd[2] = 0.0f; | |
| 132 yd[3] = 1.0f; | |
| 133 | |
| 134 // Screen の真ん中を初期値とする | |
| 135 xyz[0] = w/2.0f; | |
| 136 xyz[1] = h/2.0f; | |
| 137 | |
| 138 // min(w, h) がちょうど一杯見えるような z の位置の計算 | |
| 139 xyz[2] = -(((xyz[1] < xyz[0]) ? xyz[1] : xyz[0])/tanf((fov/2.0f)*M_PI/180.0f)); | |
| 140 //xyz[2] = -200.0f; | |
| 141 xyz[3] = 1.0f; | |
| 142 | |
| 143 m_view = new float[16]; | |
| 144 m_pers = new float[16]; | |
| 145 m_screen = new float[16]; | |
| 146 | |
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147 this->set_move_collision(camera_move, camera_collision, (void *)sgroot); |
| 747 | 148 |
| 861 | 149 #if SPE_CREATE_POLYGON |
| 150 | |
| 151 sg_matrix = (float*)malloc(sizeof(float)*32); | |
| 152 matrix = sg_matrix; | |
| 153 real_matrix = sg_matrix + 16; | |
| 154 | |
| 155 #endif | |
| 156 | |
| 747 | 157 for(int i = 0; i < 16; i++) { |
| 158 real_matrix[i] = 0; | |
| 159 if (i % 5 == 0) { | |
| 160 real_matrix[i] = 1; | |
| 161 } | |
| 162 } | |
| 163 | |
| 539 | 164 } |
| 165 | |
| 166 Camera::~Camera(void) | |
| 167 { | |
| 168 delete [] m_view; | |
| 169 delete [] m_pers; | |
| 170 delete [] m_screen; | |
| 171 } | |
| 172 | |
| 173 void | |
| 174 Camera::updateView(void) | |
| 175 { | |
| 176 float radx,rady,radz; | |
| 177 float cx[4], cy[4], cz[4], p[4]; | |
| 178 float tm[16]; | |
| 179 | |
| 180 radx = angle[0]*3.14/180; | |
| 181 rady = angle[1]*3.14/180; | |
| 182 radz = angle[2]*3.14/180; | |
| 183 | |
| 184 float sinx = sin(radx); | |
| 185 float cosx = cos(radx); | |
| 186 float siny = sin(rady); | |
| 187 float cosy = cos(rady); | |
| 188 float sinz = sin(radz); | |
| 189 float cosz = cos(radz); | |
| 190 | |
| 191 /* View Transform */ | |
| 192 tm[0] = cosz*cosy+sinz*sinx*siny; | |
| 193 tm[1] = sinz*cosx; | |
| 194 tm[2] = -cosz*siny+sinz*sinx*cosy; | |
| 195 tm[3] = 0.0f; | |
| 196 tm[4] = -sinz*cosy+cosz*sinx*siny; | |
| 197 tm[5] = cosz*cosx; | |
| 198 tm[6] = sinz*siny+cosz*sinx*cosy; | |
| 199 tm[7] = 0.0f; | |
| 200 tm[8] = cosx*siny; | |
| 201 tm[9] = -sinx; | |
| 202 tm[10] = cosx*cosy; | |
| 203 tm[11] = 0.0f; | |
| 204 tm[12] = 0.0f; | |
| 205 tm[13] = 0.0f; | |
| 206 tm[14] = 0.0f; | |
| 207 tm[15] = 1.0f; | |
| 208 | |
| 209 applyMatrix(cz, tm, zd); | |
| 210 applyMatrix(cy, tm, yd); | |
| 211 applyMatrix(p, tm, xyz); | |
| 212 | |
| 213 outerProduct(cx, cy, cz); | |
| 214 normalize(cx, cx); | |
| 215 normalize(cz, cz); | |
| 216 outerProduct(cy, cz, cx); | |
| 217 | |
| 218 m_view[ 0] = cx[0]; | |
| 219 m_view[ 1] = cy[0]; | |
| 220 m_view[ 2] = cz[0]; | |
| 221 m_view[ 3] = 0.0f; | |
| 222 | |
| 223 m_view[ 4] = cx[1]; | |
| 224 m_view[ 5] = cy[1]; | |
| 225 m_view[ 6] = cz[1]; | |
| 226 m_view[ 7] = 0.0f; | |
| 227 m_view[ 8] = cx[2]; | |
| 228 m_view[ 9] = cy[2]; | |
| 229 m_view[10] = cz[2]; | |
| 230 m_view[11] = 0.0f; | |
| 231 | |
| 232 m_view[12] = innerProduct(xyz, cx)*(-1); | |
| 233 m_view[13] = innerProduct(xyz, cy)*(-1); | |
| 234 m_view[14] = innerProduct(xyz, cz)*(-1); | |
| 235 m_view[15] = 1.0f; | |
| 236 } | |
| 237 | |
| 238 void | |
| 239 Camera::updatePerspective(float w, float h) | |
| 240 { | |
| 241 float sx, sy, sz; | |
| 242 float aspect = w/h; | |
| 243 | |
| 244 sy = (1.0f/tanf((fov/2.0f)*M_PI/180.0f)); | |
| 245 sx = sy/aspect; | |
| 246 //sz = far/(far+near); | |
| 247 sz = far/(far-near); | |
| 248 | |
| 249 m_pers[ 0] = sx; | |
| 250 m_pers[ 1] = 0.0f; | |
| 251 m_pers[ 2] = 0.0f; | |
| 252 m_pers[ 3] = 0.0f; | |
| 253 | |
| 254 m_pers[ 4] = 0.0f; | |
| 255 m_pers[ 5] = sy; | |
| 256 m_pers[ 6] = 0.0f; | |
| 257 m_pers[ 7] = 0.0f; | |
| 258 | |
| 259 m_pers[ 8] = 0.0f; | |
| 260 m_pers[ 9] = 0.0f; | |
| 261 m_pers[10] = sz; | |
| 262 m_pers[11] = 1.0f; | |
| 263 | |
| 264 m_pers[12] = 0.0f; | |
| 265 m_pers[13] = 0.0f; | |
| 266 m_pers[14] = -near*sz; | |
| 267 m_pers[15] = 0.0f; | |
| 268 } | |
| 269 | |
| 270 void | |
| 271 Camera::updateScreen(float _w, float _h) | |
| 272 { | |
| 273 float w = _w/2.0f; | |
| 274 float h = _h/2.0f; | |
| 275 | |
| 276 m_screen[ 0] = w; | |
| 277 m_screen[ 1] = 0.0f; | |
| 278 m_screen[ 2] = 0.0f; | |
| 279 m_screen[ 3] = 0.0f; | |
| 280 | |
| 281 m_screen[ 4] = 0.0f; | |
| 282 m_screen[ 5] = h; | |
| 283 m_screen[ 6] = 0.0f; | |
| 284 m_screen[ 7] = 0.0f; | |
| 285 | |
| 286 m_screen[ 8] = 0.0f; | |
| 287 m_screen[ 9] = 0.0f; | |
| 288 m_screen[10] = 1.0f; | |
| 289 m_screen[11] = 0.0f; | |
| 290 | |
| 291 m_screen[12] = w; | |
| 292 m_screen[13] = h; | |
| 293 m_screen[14] = 0.0f; | |
| 294 m_screen[15] = 1.0f; | |
| 295 } | |
| 296 | |
| 297 void | |
| 298 Camera::setCamera(float *pose) | |
| 299 { | |
| 300 //memcpy(xyz, &pose[12], sizeof(float)*4); | |
| 301 } | |
| 302 | |
| 303 void | |
| 304 Camera::update(float w, float h) | |
| 305 { | |
| 306 #if 1 | |
| 307 float tmp[16]; | |
| 308 | |
| 309 updateView(); | |
| 310 updatePerspective(w, h); | |
| 311 updateScreen(w, h); | |
| 312 | |
| 313 matrix4x4(tmp, this->m_pers, this->m_screen); | |
| 314 matrix4x4(this->matrix, this->m_view, tmp); | |
| 315 #else | |
| 316 get_matrix(matrix, angle, xyz, NULL); | |
| 317 #endif | |
| 318 } |