Bullet Collision Detection & Physics Library
Classes | Macros | Functions
gim_box_collision.h File Reference
#include "gim_basic_geometry_operations.h"
#include "LinearMath/btTransform.h"
Include dependency graph for gim_box_collision.h:
This graph shows which files directly or indirectly include this file:

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...
 

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

#define BOX_PLANE_EPSILON   0.000001f

Definition at line 197 of file gim_box_collision.h.

#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;\
}\
#define GIM_SWAP_NUMBERS(a, b)
Swap numbers.
Definition: gim_math.h:113
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
Definition: btScalar.h:292

Definition at line 102 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);\
}\
#define TEST_CROSS_EDGE_BOX_MCR(edge, absolute_edge, pointa, pointb, _extend, i_dir_0, i_dir_1, i_comp_0, i_comp_1)

Definition at line 120 of file gim_box_collision.h.

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

Definition at line 125 of file gim_box_collision.h.

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

Definition at line 130 of file gim_box_collision.h.

Function Documentation

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

Compairison of transformation objects.

Definition at line 580 of file gim_box_collision.h.