annotate libs/vmath/geom.h @ 35:23e5d274b2a2
added options panel, also added the xib files to the repository as they're needed
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Fri, 09 Sep 2011 10:03:42 +0300 |
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| children |
ff055bff6a15 |
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line source |
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1 #ifndef GEOM_H_
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2 #define GEOM_H_
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3
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4 #include "vector.h"
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5 #include "ray.h"
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6
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7 typedef struct {
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8 vec3_t norm;
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9 scalar_t d;
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10 } plane_t;
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11
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12 typedef struct {
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13 vec3_t pos;
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14 scalar_t rad;
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15 } sphere_t;
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16
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17 typedef struct {
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18 vec3_t min, max;
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19 } aabox_t;
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20
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21 #ifdef __cplusplus
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22 extern "C" {
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23 #endif
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24
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25 /* planes are good... you need planes, yes you do */
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26 plane_t plane_cons(scalar_t nx, scalar_t ny, scalar_t nz, scalar_t d);
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27 plane_t plane_poly(vec3_t v0, vec3_t v1, vec3_t v2);
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28 plane_t plane_ptnorm(vec3_t pt, vec3_t normal);
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29
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30 plane_t plane_invert(plane_t p);
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31
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32 scalar_t plane_signed_dist(plane_t plane, vec3_t pt);
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33 scalar_t plane_dist(plane_t plane, vec3_t pt);
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34 vec3_t plane_point(plane_t plane);
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35
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36 int plane_ray_intersect(ray_t ray, plane_t plane, scalar_t *pos);
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37
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38 /* spheres always come in handy */
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39 sphere_t sphere_cons(scalar_t x, scalar_t y, scalar_t z, scalar_t rad);
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40
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41 int sphere_ray_intersect(ray_t ray, sphere_t sph, scalar_t *pos);
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42 int sphere_sphere_intersect(sphere_t sph1, sphere_t sph2, scalar_t *pos, scalar_t *rad);
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43
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44 #ifdef __cplusplus
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45 }
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46
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47 /* TODO
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48 class Plane : public plane_t {
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49 public:
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50 };
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51 */
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52
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53 #endif
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54
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55 #endif /* GEOM_H_ */
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