aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/ode-0.9/GIMPACT/src/gim_trimesh_ray_collision.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/ode-0.9/GIMPACT/src/gim_trimesh_ray_collision.cpp')
-rw-r--r--libraries/ode-0.9/GIMPACT/src/gim_trimesh_ray_collision.cpp140
1 files changed, 0 insertions, 140 deletions
diff --git a/libraries/ode-0.9/GIMPACT/src/gim_trimesh_ray_collision.cpp b/libraries/ode-0.9/GIMPACT/src/gim_trimesh_ray_collision.cpp
deleted file mode 100644
index 0c10fe1..0000000
--- a/libraries/ode-0.9/GIMPACT/src/gim_trimesh_ray_collision.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
1
2/*
3-----------------------------------------------------------------------------
4This source file is part of GIMPACT Library.
5
6For the latest info, see http://gimpact.sourceforge.net/
7
8Copyright (c) 2006 Francisco Leon. C.C. 80087371.
9email: projectileman@yahoo.com
10
11 This library is free software; you can redistribute it and/or
12 modify it under the terms of EITHER:
13 (1) The GNU Lesser General Public License as published by the Free
14 Software Foundation; either version 2.1 of the License, or (at
15 your option) any later version. The text of the GNU Lesser
16 General Public License is included with this library in the
17 file GIMPACT-LICENSE-LGPL.TXT.
18 (2) The BSD-style license that is included with this library in
19 the file GIMPACT-LICENSE-BSD.TXT.
20
21 This library is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files
24 GIMPACT-LICENSE-LGPL.TXT and GIMPACT-LICENSE-BSD.TXT for more details.
25
26-----------------------------------------------------------------------------
27*/
28
29#include "GIMPACT/gim_trimesh.h"
30
31
32//! Trimesh Ray Collisions
33/*!
34
35\param trimesh
36\param contact
37\return 1 if the ray collides, else 0
38*/
39int gim_trimesh_ray_collision(GIM_TRIMESH * trimesh,vec3f origin,vec3f dir, GREAL tmax, GIM_TRIANGLE_RAY_CONTACT_DATA * contact)
40{
41 GDYNAMIC_ARRAY collision_result;
42 GIM_CREATE_BOXQUERY_LIST(collision_result);
43
44 gim_aabbset_ray_collision(origin,dir,tmax,&trimesh->m_aabbset,&collision_result);
45
46 if(collision_result.m_size==0)
47 {
48 GIM_DYNARRAY_DESTROY(collision_result);
49 return 0;
50 }
51
52 //collide triangles
53
54 GUINT * boxesresult = GIM_DYNARRAY_POINTER(GUINT,collision_result);
55 GIM_TRIANGLE_DATA tridata;
56 vec3f pout;
57 GREAL tparam,u,v;
58 char does_intersect;
59
60 gim_trimesh_locks_work_data(trimesh);
61
62 for(unsigned int i=0;i<collision_result.m_size;i++)
63 {
64 gim_trimesh_get_triangle_data(trimesh,boxesresult[i],&tridata);
65
66 RAY_TRIANGLE_INTERSECTION(origin,dir,tridata.m_vertices[0],tridata.m_vertices[1],tridata.m_vertices[2],tridata.m_planes.m_planes[0],pout,u,v,tparam,tmax,does_intersect);
67 if(does_intersect)
68 {
69 contact->tparam = tparam;
70 contact->u = u;
71 contact->v = v;
72 contact->m_face_id = boxesresult[i];
73 VEC_COPY(contact->m_point,pout);
74 VEC_COPY(contact->m_normal,tridata.m_planes.m_planes[0]);
75
76 gim_trimesh_unlocks_work_data(trimesh);
77 GIM_DYNARRAY_DESTROY(collision_result);
78 return 1;
79 }
80 }
81
82 gim_trimesh_unlocks_work_data(trimesh);
83 GIM_DYNARRAY_DESTROY(collision_result);
84 return 0;//no collisiion
85}
86
87
88//! Trimesh Ray Collisions closest
89/*!
90Find the closest primitive collided by the ray
91\param trimesh
92\param contact
93\return 1 if the ray collides, else 0
94*/
95int gim_trimesh_ray_closest_collision(GIM_TRIMESH * trimesh,vec3f origin,vec3f dir, GREAL tmax, GIM_TRIANGLE_RAY_CONTACT_DATA * contact)
96{
97 GDYNAMIC_ARRAY collision_result;
98 GIM_CREATE_BOXQUERY_LIST(collision_result);
99
100 gim_aabbset_ray_collision(origin,dir,tmax,&trimesh->m_aabbset,&collision_result);
101
102 if(collision_result.m_size==0)
103 {
104 GIM_DYNARRAY_DESTROY(collision_result);
105 return 0;
106 }
107
108 //collide triangles
109
110 GUINT * boxesresult = GIM_DYNARRAY_POINTER(GUINT,collision_result);
111 GIM_TRIANGLE_DATA tridata;
112 vec3f pout;
113 GREAL tparam,u,v;
114 char does_intersect;
115 contact->tparam = tmax + 0.1f;
116
117
118 gim_trimesh_locks_work_data(trimesh);
119
120 for(unsigned int i=0;i<collision_result.m_size;i++)
121 {
122 gim_trimesh_get_triangle_data(trimesh,boxesresult[i],&tridata);
123
124 RAY_TRIANGLE_INTERSECTION(origin,dir,tridata.m_vertices[0],tridata.m_vertices[1],tridata.m_vertices[2],tridata.m_planes.m_planes[0],pout,u,v,tparam,tmax,does_intersect);
125 if(does_intersect && (tparam < contact->tparam))
126 {
127 contact->tparam = tparam;
128 contact->u = u;
129 contact->v = v;
130 contact->m_face_id = boxesresult[i];
131 VEC_COPY(contact->m_point,pout);
132 VEC_COPY(contact->m_normal,tridata.m_planes.m_planes[0]);
133 }
134 }
135
136 gim_trimesh_unlocks_work_data(trimesh);
137 GIM_DYNARRAY_DESTROY(collision_result);
138 if(contact->tparam > tmax) return 0;
139 return 1;
140}
generated by cgit v1.1 at 2024-11-10 06:42:59 +0000