gim_box_collision.h File Reference

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

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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...

Macros
#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
bool	btCompareTransformsEqual (const btTransform &t1, const btTransform &t2)
	Compairison of transformation objects. More...

Detailed Description

Author

Francisco Leon Najera

Definition in file gim_box_collision.h.

Macro Definition Documentation

BOX_PLANE_EPSILON

#define BOX_PLANE_EPSILON   0.000001f

Definition at line 191 of file gim_box_collision.h.

TEST_CROSS_EDGE_BOX_MCR

#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.

TEST_CROSS_EDGE_BOX_X_AXIS_MCR

#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 118 of file gim_box_collision.h.

TEST_CROSS_EDGE_BOX_Y_AXIS_MCR

#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 123 of file gim_box_collision.h.

TEST_CROSS_EDGE_BOX_Z_AXIS_MCR

#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 128 of file gim_box_collision.h.

Function Documentation

btCompareTransformsEqual()

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

inline

Compairison of transformation objects.

Definition at line 567 of file gim_box_collision.h.