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authorOussama <o.boukhelf@gmail.com>2019-01-03 14:26:51 +0100
committerRĂ©mi Verschelde <rverschelde@gmail.com>2019-01-07 12:30:35 +0100
commit22b7c9dfa80d0f7abca40f061865c2ab3c136a74 (patch)
tree311cd3f22b012329160f9d43810aea429994af48 /thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h
parenta6722cf36251ddcb538e6ebed9fa4950342b68ba (diff)
Update Bullet to the latest commit 126b676
Diffstat (limited to 'thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h')
-rw-r--r--thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h274
1 files changed, 131 insertions, 143 deletions
diff --git a/thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h b/thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h
index 267f806e7e..e6d4bf5470 100644
--- a/thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h
+++ b/thirdparty/bullet/BulletCollision/Gimpact/gim_tri_collision.h
@@ -36,8 +36,6 @@ email: projectileman@yahoo.com
#include "gim_box_collision.h"
#include "gim_clip_polygon.h"
-
-
#ifndef MAX_TRI_CLIPPING
#define MAX_TRI_CLIPPING 16
#endif
@@ -45,18 +43,18 @@ email: projectileman@yahoo.com
//! Structure for collision
struct GIM_TRIANGLE_CONTACT_DATA
{
- GREAL m_penetration_depth;
- GUINT m_point_count;
- btVector4 m_separating_normal;
- btVector3 m_points[MAX_TRI_CLIPPING];
+ GREAL m_penetration_depth;
+ GUINT m_point_count;
+ btVector4 m_separating_normal;
+ btVector3 m_points[MAX_TRI_CLIPPING];
- SIMD_FORCE_INLINE void copy_from(const GIM_TRIANGLE_CONTACT_DATA& other)
+ SIMD_FORCE_INLINE void copy_from(const GIM_TRIANGLE_CONTACT_DATA &other)
{
m_penetration_depth = other.m_penetration_depth;
m_separating_normal = other.m_separating_normal;
m_point_count = other.m_point_count;
GUINT i = m_point_count;
- while(i--)
+ while (i--)
{
m_points[i] = other.m_points[i];
}
@@ -66,39 +64,36 @@ struct GIM_TRIANGLE_CONTACT_DATA
{
}
- GIM_TRIANGLE_CONTACT_DATA(const GIM_TRIANGLE_CONTACT_DATA& other)
+ GIM_TRIANGLE_CONTACT_DATA(const GIM_TRIANGLE_CONTACT_DATA &other)
{
copy_from(other);
}
-
-
-
- //! classify points that are closer
- template<typename DISTANCE_FUNC,typename CLASS_PLANE>
- SIMD_FORCE_INLINE void mergepoints_generic(const CLASS_PLANE & plane,
- GREAL margin, const btVector3 * points, GUINT point_count, DISTANCE_FUNC distance_func)
- {
- m_point_count = 0;
- m_penetration_depth= -1000.0f;
+ //! classify points that are closer
+ template <typename DISTANCE_FUNC, typename CLASS_PLANE>
+ SIMD_FORCE_INLINE void mergepoints_generic(const CLASS_PLANE &plane,
+ GREAL margin, const btVector3 *points, GUINT point_count, DISTANCE_FUNC distance_func)
+ {
+ m_point_count = 0;
+ m_penetration_depth = -1000.0f;
GUINT point_indices[MAX_TRI_CLIPPING];
GUINT _k;
- for(_k=0;_k<point_count;_k++)
+ for (_k = 0; _k < point_count; _k++)
{
- GREAL _dist = -distance_func(plane,points[_k]) + margin;
+ GREAL _dist = -distance_func(plane, points[_k]) + margin;
- if(_dist>=0.0f)
+ if (_dist >= 0.0f)
{
- if(_dist>m_penetration_depth)
+ if (_dist > m_penetration_depth)
{
m_penetration_depth = _dist;
point_indices[0] = _k;
- m_point_count=1;
+ m_point_count = 1;
}
- else if((_dist+G_EPSILON)>=m_penetration_depth)
+ else if ((_dist + G_EPSILON) >= m_penetration_depth)
{
point_indices[m_point_count] = _k;
m_point_count++;
@@ -106,88 +101,87 @@ struct GIM_TRIANGLE_CONTACT_DATA
}
}
- for( _k=0;_k<m_point_count;_k++)
+ for (_k = 0; _k < m_point_count; _k++)
{
m_points[_k] = points[point_indices[_k]];
}
}
//! classify points that are closer
- SIMD_FORCE_INLINE void merge_points(const btVector4 & plane, GREAL margin,
- const btVector3 * points, GUINT point_count)
+ SIMD_FORCE_INLINE void merge_points(const btVector4 &plane, GREAL margin,
+ const btVector3 *points, GUINT point_count)
{
m_separating_normal = plane;
mergepoints_generic(plane, margin, points, point_count, DISTANCE_PLANE_3D_FUNC());
}
};
-
//! Class for colliding triangles
class GIM_TRIANGLE
{
public:
btScalar m_margin;
- btVector3 m_vertices[3];
-
- GIM_TRIANGLE():m_margin(0.1f)
- {
- }
-
- SIMD_FORCE_INLINE GIM_AABB get_box() const
- {
- return GIM_AABB(m_vertices[0],m_vertices[1],m_vertices[2],m_margin);
- }
-
- SIMD_FORCE_INLINE void get_normal(btVector3 &normal) const
- {
- TRIANGLE_NORMAL(m_vertices[0],m_vertices[1],m_vertices[2],normal);
- }
-
- SIMD_FORCE_INLINE void get_plane(btVector4 &plane) const
- {
- TRIANGLE_PLANE(m_vertices[0],m_vertices[1],m_vertices[2],plane);;
- }
-
- SIMD_FORCE_INLINE void apply_transform(const btTransform & trans)
- {
- m_vertices[0] = trans(m_vertices[0]);
- m_vertices[1] = trans(m_vertices[1]);
- m_vertices[2] = trans(m_vertices[2]);
- }
-
- SIMD_FORCE_INLINE void get_edge_plane(GUINT edge_index,const btVector3 &triangle_normal,btVector4 &plane) const
- {
- const btVector3 & e0 = m_vertices[edge_index];
- const btVector3 & e1 = m_vertices[(edge_index+1)%3];
- EDGE_PLANE(e0,e1,triangle_normal,plane);
- }
-
- //! Gets the relative transformation of this triangle
- /*!
+ btVector3 m_vertices[3];
+
+ GIM_TRIANGLE() : m_margin(0.1f)
+ {
+ }
+
+ SIMD_FORCE_INLINE GIM_AABB get_box() const
+ {
+ return GIM_AABB(m_vertices[0], m_vertices[1], m_vertices[2], m_margin);
+ }
+
+ SIMD_FORCE_INLINE void get_normal(btVector3 &normal) const
+ {
+ TRIANGLE_NORMAL(m_vertices[0], m_vertices[1], m_vertices[2], normal);
+ }
+
+ SIMD_FORCE_INLINE void get_plane(btVector4 &plane) const
+ {
+ TRIANGLE_PLANE(m_vertices[0], m_vertices[1], m_vertices[2], plane);
+ ;
+ }
+
+ SIMD_FORCE_INLINE void apply_transform(const btTransform &trans)
+ {
+ m_vertices[0] = trans(m_vertices[0]);
+ m_vertices[1] = trans(m_vertices[1]);
+ m_vertices[2] = trans(m_vertices[2]);
+ }
+
+ SIMD_FORCE_INLINE void get_edge_plane(GUINT edge_index, const btVector3 &triangle_normal, btVector4 &plane) const
+ {
+ const btVector3 &e0 = m_vertices[edge_index];
+ const btVector3 &e1 = m_vertices[(edge_index + 1) % 3];
+ EDGE_PLANE(e0, e1, triangle_normal, plane);
+ }
+
+ //! Gets the relative transformation of this triangle
+ /*!
The transformation is oriented to the triangle normal , and aligned to the 1st edge of this triangle. The position corresponds to vertice 0:
- triangle normal corresponds to Z axis.
- 1st normalized edge corresponds to X axis,
*/
- SIMD_FORCE_INLINE void get_triangle_transform(btTransform & triangle_transform) const
- {
- btMatrix3x3 & matrix = triangle_transform.getBasis();
-
- btVector3 zaxis;
- get_normal(zaxis);
- MAT_SET_Z(matrix,zaxis);
+ SIMD_FORCE_INLINE void get_triangle_transform(btTransform &triangle_transform) const
+ {
+ btMatrix3x3 &matrix = triangle_transform.getBasis();
- btVector3 xaxis = m_vertices[1] - m_vertices[0];
- VEC_NORMALIZE(xaxis);
- MAT_SET_X(matrix,xaxis);
+ btVector3 zaxis;
+ get_normal(zaxis);
+ MAT_SET_Z(matrix, zaxis);
- //y axis
- xaxis = zaxis.cross(xaxis);
- MAT_SET_Y(matrix,xaxis);
+ btVector3 xaxis = m_vertices[1] - m_vertices[0];
+ VEC_NORMALIZE(xaxis);
+ MAT_SET_X(matrix, xaxis);
- triangle_transform.setOrigin(m_vertices[0]);
- }
+ //y axis
+ xaxis = zaxis.cross(xaxis);
+ MAT_SET_Y(matrix, xaxis);
+ triangle_transform.setOrigin(m_vertices[0]);
+ }
//! Test triangles by finding separating axis
/*!
@@ -195,8 +189,8 @@ public:
\param contact_data Structure for holding contact points, normal and penetration depth; The normal is pointing toward this triangle from the other triangle
*/
bool collide_triangle_hard_test(
- const GIM_TRIANGLE & other,
- GIM_TRIANGLE_CONTACT_DATA & contact_data) const;
+ const GIM_TRIANGLE &other,
+ GIM_TRIANGLE_CONTACT_DATA &contact_data) const;
//! Test boxes before doing hard test
/*!
@@ -205,16 +199,16 @@ public:
\
*/
SIMD_FORCE_INLINE bool collide_triangle(
- const GIM_TRIANGLE & other,
- GIM_TRIANGLE_CONTACT_DATA & contact_data) const
+ const GIM_TRIANGLE &other,
+ GIM_TRIANGLE_CONTACT_DATA &contact_data) const
{
//test box collisioin
- GIM_AABB boxu(m_vertices[0],m_vertices[1],m_vertices[2],m_margin);
- GIM_AABB boxv(other.m_vertices[0],other.m_vertices[1],other.m_vertices[2],other.m_margin);
- if(!boxu.has_collision(boxv)) return false;
+ GIM_AABB boxu(m_vertices[0], m_vertices[1], m_vertices[2], m_margin);
+ GIM_AABB boxv(other.m_vertices[0], other.m_vertices[1], other.m_vertices[2], other.m_margin);
+ if (!boxu.has_collision(boxv)) return false;
//do hard test
- return collide_triangle_hard_test(other,contact_data);
+ return collide_triangle_hard_test(other, contact_data);
}
/*!
@@ -246,43 +240,43 @@ if 0.0<= u+v <=1.0 then they are inside of triangle
\return false if the point is outside of triangle.This function doesn't take the margin
*/
SIMD_FORCE_INLINE bool get_uv_parameters(
- const btVector3 & point,
- const btVector3 & tri_plane,
- GREAL & u, GREAL & v) const
+ const btVector3 &point,
+ const btVector3 &tri_plane,
+ GREAL &u, GREAL &v) const
{
- btVector3 _axe1 = m_vertices[1]-m_vertices[0];
- btVector3 _axe2 = m_vertices[2]-m_vertices[0];
+ btVector3 _axe1 = m_vertices[1] - m_vertices[0];
+ btVector3 _axe2 = m_vertices[2] - m_vertices[0];
btVector3 _vecproj = point - m_vertices[0];
- GUINT _i1 = (tri_plane.closestAxis()+1)%3;
- GUINT _i2 = (_i1+1)%3;
- if(btFabs(_axe2[_i2])<G_EPSILON)
+ GUINT _i1 = (tri_plane.closestAxis() + 1) % 3;
+ GUINT _i2 = (_i1 + 1) % 3;
+ if (btFabs(_axe2[_i2]) < G_EPSILON)
{
- u = (_vecproj[_i2]*_axe2[_i1] - _vecproj[_i1]*_axe2[_i2]) /(_axe1[_i2]*_axe2[_i1] - _axe1[_i1]*_axe2[_i2]);
- v = (_vecproj[_i1] - u*_axe1[_i1])/_axe2[_i1];
+ u = (_vecproj[_i2] * _axe2[_i1] - _vecproj[_i1] * _axe2[_i2]) / (_axe1[_i2] * _axe2[_i1] - _axe1[_i1] * _axe2[_i2]);
+ v = (_vecproj[_i1] - u * _axe1[_i1]) / _axe2[_i1];
}
else
{
- u = (_vecproj[_i1]*_axe2[_i2] - _vecproj[_i2]*_axe2[_i1]) /(_axe1[_i1]*_axe2[_i2] - _axe1[_i2]*_axe2[_i1]);
- v = (_vecproj[_i2] - u*_axe1[_i2])/_axe2[_i2];
+ u = (_vecproj[_i1] * _axe2[_i2] - _vecproj[_i2] * _axe2[_i1]) / (_axe1[_i1] * _axe2[_i2] - _axe1[_i2] * _axe2[_i1]);
+ v = (_vecproj[_i2] - u * _axe1[_i2]) / _axe2[_i2];
}
- if(u<-G_EPSILON)
+ if (u < -G_EPSILON)
{
return false;
}
- else if(v<-G_EPSILON)
+ else if (v < -G_EPSILON)
{
return false;
}
else
{
btScalar sumuv;
- sumuv = u+v;
- if(sumuv<-G_EPSILON)
+ sumuv = u + v;
+ if (sumuv < -G_EPSILON)
{
return false;
}
- else if(sumuv-1.0f>G_EPSILON)
+ else if (sumuv - 1.0f > G_EPSILON)
{
return false;
}
@@ -294,50 +288,49 @@ if 0.0<= u+v <=1.0 then they are inside of triangle
/*!
Test if point is in triangle, with m_margin tolerance
*/
- SIMD_FORCE_INLINE bool is_point_inside(const btVector3 & point, const btVector3 & tri_normal) const
+ SIMD_FORCE_INLINE bool is_point_inside(const btVector3 &point, const btVector3 &tri_normal) const
{
//Test with edge 0
btVector4 edge_plane;
- this->get_edge_plane(0,tri_normal,edge_plane);
- GREAL dist = DISTANCE_PLANE_POINT(edge_plane,point);
- if(dist-m_margin>0.0f) return false; // outside plane
+ this->get_edge_plane(0, tri_normal, edge_plane);
+ GREAL dist = DISTANCE_PLANE_POINT(edge_plane, point);
+ if (dist - m_margin > 0.0f) return false; // outside plane
- this->get_edge_plane(1,tri_normal,edge_plane);
- dist = DISTANCE_PLANE_POINT(edge_plane,point);
- if(dist-m_margin>0.0f) return false; // outside plane
+ this->get_edge_plane(1, tri_normal, edge_plane);
+ dist = DISTANCE_PLANE_POINT(edge_plane, point);
+ if (dist - m_margin > 0.0f) return false; // outside plane
- this->get_edge_plane(2,tri_normal,edge_plane);
- dist = DISTANCE_PLANE_POINT(edge_plane,point);
- if(dist-m_margin>0.0f) return false; // outside plane
+ this->get_edge_plane(2, tri_normal, edge_plane);
+ dist = DISTANCE_PLANE_POINT(edge_plane, point);
+ if (dist - m_margin > 0.0f) return false; // outside plane
return true;
}
-
//! Bidireccional ray collision
SIMD_FORCE_INLINE bool ray_collision(
- const btVector3 & vPoint,
- const btVector3 & vDir, btVector3 & pout, btVector3 & triangle_normal,
- GREAL & tparam, GREAL tmax = G_REAL_INFINITY)
+ const btVector3 &vPoint,
+ const btVector3 &vDir, btVector3 &pout, btVector3 &triangle_normal,
+ GREAL &tparam, GREAL tmax = G_REAL_INFINITY)
{
btVector4 faceplane;
{
btVector3 dif1 = m_vertices[1] - m_vertices[0];
btVector3 dif2 = m_vertices[2] - m_vertices[0];
- VEC_CROSS(faceplane,dif1,dif2);
- faceplane[3] = m_vertices[0].dot(faceplane);
+ VEC_CROSS(faceplane, dif1, dif2);
+ faceplane[3] = m_vertices[0].dot(faceplane);
}
- GUINT res = LINE_PLANE_COLLISION(faceplane,vDir,vPoint,pout,tparam, btScalar(0), tmax);
- if(res == 0) return false;
- if(! is_point_inside(pout,faceplane)) return false;
+ GUINT res = LINE_PLANE_COLLISION(faceplane, vDir, vPoint, pout, tparam, btScalar(0), tmax);
+ if (res == 0) return false;
+ if (!is_point_inside(pout, faceplane)) return false;
- if(res==2) //invert normal
+ if (res == 2) //invert normal
{
- triangle_normal.setValue(-faceplane[0],-faceplane[1],-faceplane[2]);
+ triangle_normal.setValue(-faceplane[0], -faceplane[1], -faceplane[2]);
}
else
{
- triangle_normal.setValue(faceplane[0],faceplane[1],faceplane[2]);
+ triangle_normal.setValue(faceplane[0], faceplane[1], faceplane[2]);
}
VEC_NORMALIZE(triangle_normal);
@@ -345,36 +338,31 @@ if 0.0<= u+v <=1.0 then they are inside of triangle
return true;
}
-
//! one direccion ray collision
SIMD_FORCE_INLINE bool ray_collision_front_side(
- const btVector3 & vPoint,
- const btVector3 & vDir, btVector3 & pout, btVector3 & triangle_normal,
- GREAL & tparam, GREAL tmax = G_REAL_INFINITY)
+ const btVector3 &vPoint,
+ const btVector3 &vDir, btVector3 &pout, btVector3 &triangle_normal,
+ GREAL &tparam, GREAL tmax = G_REAL_INFINITY)
{
btVector4 faceplane;
{
btVector3 dif1 = m_vertices[1] - m_vertices[0];
btVector3 dif2 = m_vertices[2] - m_vertices[0];
- VEC_CROSS(faceplane,dif1,dif2);
- faceplane[3] = m_vertices[0].dot(faceplane);
+ VEC_CROSS(faceplane, dif1, dif2);
+ faceplane[3] = m_vertices[0].dot(faceplane);
}
- GUINT res = LINE_PLANE_COLLISION(faceplane,vDir,vPoint,pout,tparam, btScalar(0), tmax);
- if(res != 1) return false;
+ GUINT res = LINE_PLANE_COLLISION(faceplane, vDir, vPoint, pout, tparam, btScalar(0), tmax);
+ if (res != 1) return false;
- if(!is_point_inside(pout,faceplane)) return false;
+ if (!is_point_inside(pout, faceplane)) return false;
- triangle_normal.setValue(faceplane[0],faceplane[1],faceplane[2]);
+ triangle_normal.setValue(faceplane[0], faceplane[1], faceplane[2]);
VEC_NORMALIZE(triangle_normal);
return true;
}
-
};
-
-
-
-#endif // GIM_TRI_COLLISION_H_INCLUDED
+#endif // GIM_TRI_COLLISION_H_INCLUDED