gim_box_collision.h File Reference

#include "gim_basic_geometry_operations.h"
#include "LinearMath/btTransform.h"

Go to the source code of this file.

Classes
class	GIM_BOX_BOX_TRANSFORM_CACHE
	Class for transforming a model1 to the space of model0. More...
class	GIM_AABB
	Axis aligned box. More...
Defines
#define	TEST_CROSS_EDGE_BOX_MCR(edge, absolute_edge, pointa, pointb, _extend, i_dir_0, i_dir_1, i_comp_0, i_comp_1)
#define	TEST_CROSS_EDGE_BOX_X_AXIS_MCR(edge, absolute_edge, pointa, pointb, _extend)
#define	TEST_CROSS_EDGE_BOX_Y_AXIS_MCR(edge, absolute_edge, pointa, pointb, _extend)
#define	TEST_CROSS_EDGE_BOX_Z_AXIS_MCR(edge, absolute_edge, pointa, pointb, _extend)
#define	BOX_PLANE_EPSILON   0.000001f
Functions
SIMD_FORCE_INLINE bool	btCompareTransformsEqual (const btTransform &t1, const btTransform &t2)
	Compairison of transformation objects.

---

Detailed Description

Author:

Francisco Leon Najera

Definition in file gim_box_collision.h.

---

Define Documentation

#define BOX_PLANE_EPSILON   0.000001f

Definition at line 196 of file gim_box_collision.h.

Referenced by GIM_AABB::plane_classify().

#define TEST_CROSS_EDGE_BOX_MCR	(		edge,
			absolute_edge,
			pointa,
			pointb,
			_extend,
			i_dir_0,
			i_dir_1,
			i_comp_0,
			i_comp_1
	)

Value:

{\
    const btScalar dir0 = -edge[i_dir_0];\
    const btScalar dir1 = edge[i_dir_1];\
    btScalar pmin = pointa[i_comp_0]*dir0 + pointa[i_comp_1]*dir1;\
    btScalar pmax = pointb[i_comp_0]*dir0 + pointb[i_comp_1]*dir1;\
    if(pmin>pmax)\
    {\
        GIM_SWAP_NUMBERS(pmin,pmax); \
    }\
    const btScalar abs_dir0 = absolute_edge[i_dir_0];\
    const btScalar abs_dir1 = absolute_edge[i_dir_1];\
    const btScalar rad = _extend[i_comp_0] * abs_dir0 + _extend[i_comp_1] * abs_dir1;\
    if(pmin>rad || -rad>pmax) return false;\
}\

Definition at line 100 of file gim_box_collision.h.

#define TEST_CROSS_EDGE_BOX_X_AXIS_MCR	(		edge,
			absolute_edge,
			pointa,
			pointb,
			_extend
	)

Value:

{\
    TEST_CROSS_EDGE_BOX_MCR(edge,absolute_edge,pointa,pointb,_extend,2,1,1,2);\
}\

Definition at line 117 of file gim_box_collision.h.

Referenced by GIM_AABB::collide_triangle_exact().

#define TEST_CROSS_EDGE_BOX_Y_AXIS_MCR	(		edge,
			absolute_edge,
			pointa,
			pointb,
			_extend
	)

Value:

{\
    TEST_CROSS_EDGE_BOX_MCR(edge,absolute_edge,pointa,pointb,_extend,0,2,2,0);\
}\

Definition at line 122 of file gim_box_collision.h.

Referenced by GIM_AABB::collide_triangle_exact().

#define TEST_CROSS_EDGE_BOX_Z_AXIS_MCR	(		edge,
			absolute_edge,
			pointa,
			pointb,
			_extend
	)

Value:

{\
    TEST_CROSS_EDGE_BOX_MCR(edge,absolute_edge,pointa,pointb,_extend,1,0,0,1);\
}\

Definition at line 127 of file gim_box_collision.h.

Referenced by GIM_AABB::collide_triangle_exact().

---

Function Documentation

SIMD_FORCE_INLINE bool btCompareTransformsEqual	(	const btTransform &	t1,
		const btTransform &	t2
	)

Compairison of transformation objects.

Definition at line 578 of file gim_box_collision.h.

References btTransform::getBasis(), btTransform::getOrigin(), and btMatrix3x3::getRow().