btBoxCollision.h File Reference
#include "LinearMath/btTransform.h"
Go to the source code of this file.
Defines | |
| #define | BT_SWAP_NUMBERS(a, b) |
| Swap numbers. | |
| #define | BT_MAX(a, b) (a<b?b:a) |
| #define | BT_MIN(a, b) (a>b?b:a) |
| #define | BT_GREATER(x, y) btFabs(x) > (y) |
| #define | BT_MAX3(a, b, c) BT_MAX(a,BT_MAX(b,c)) |
| #define | BT_MIN3(a, b, c) BT_MIN(a,BT_MIN(b,c)) |
| #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 |
Enumerations | |
| enum | eBT_PLANE_INTERSECTION_TYPE { BT_CONST_BACK_PLANE = 0, BT_CONST_COLLIDE_PLANE, BT_CONST_FRONT_PLANE } |
Functions | |
| SIMD_FORCE_INLINE btScalar | bt_mat3_dot_col (const btMatrix3x3 &mat, const btVector3 &vec3, int colindex) |
| Returns the dot product between a vec3f and the col of a matrix. | |
| SIMD_FORCE_INLINE void | calc_absolute_matrix () |
| BT_BOX_BOX_TRANSFORM_CACHE () | |
| SIMD_FORCE_INLINE void | calc_from_homogenic (const btTransform &trans0, const btTransform &trans1) |
| Calc the transformation relative 1 to 0. Inverts matrics by transposing. | |
| SIMD_FORCE_INLINE void | calc_from_full_invert (const btTransform &trans0, const btTransform &trans1) |
| Calcs the full invertion of the matrices. Useful for scaling matrices. | |
| SIMD_FORCE_INLINE btVector3 | transform (const btVector3 &point) const |
| SIMD_FORCE_INLINE bool | btCompareTransformsEqual (const btTransform &t1, const btTransform &t2) |
| Axis aligned box. | |
Variables | |
| btVector3 | m_T1to0 |
| Class for transforming a model1 to the space of model0. | |
| btMatrix3x3 | m_R1to0 |
| Transforms Rotation of model1 to model 0, equal to R0' * R1. | |
| btMatrix3x3 | m_AR |
| Absolute value of m_R1to0. | |
Define Documentation
| #define BOX_PLANE_EPSILON 0.000001f |
Definition at line 228 of file btBoxCollision.h.
| #define BT_GREATER | ( | x, | |||
| y | ) | btFabs(x) > (y) |
Definition at line 41 of file btBoxCollision.h.
| #define BT_MAX | ( | a, | |||
| b | ) | (a<b?b:a) |
Definition at line 38 of file btBoxCollision.h.
| #define BT_MAX3 | ( | a, | |||
| b, | |||||
| c | ) | BT_MAX(a,BT_MAX(b,c)) |
Definition at line 43 of file btBoxCollision.h.
| #define BT_MIN | ( | a, | |||
| b | ) | (a>b?b:a) |
Definition at line 39 of file btBoxCollision.h.
| #define BT_MIN3 | ( | a, | |||
| b, | |||||
| c | ) | BT_MIN(a,BT_MIN(b,c)) |
Definition at line 44 of file btBoxCollision.h.
| #define BT_SWAP_NUMBERS | ( | a, | |||
| b | ) |
{ \
a = a+b; \
b = a-b; \
a = a-b; \
}\
Swap numbers.
Definition at line 31 of file btBoxCollision.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 | ) |
{\
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)\
{\
BT_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 119 of file btBoxCollision.h.
| #define TEST_CROSS_EDGE_BOX_X_AXIS_MCR | ( | edge, | |||
| absolute_edge, | |||||
| pointa, | |||||
| pointb, | |||||
| _extend | ) |
{\
TEST_CROSS_EDGE_BOX_MCR(edge,absolute_edge,pointa,pointb,_extend,2,1,1,2);\
}\
Definition at line 136 of file btBoxCollision.h.
| #define TEST_CROSS_EDGE_BOX_Y_AXIS_MCR | ( | edge, | |||
| absolute_edge, | |||||
| pointa, | |||||
| pointb, | |||||
| _extend | ) |
{\
TEST_CROSS_EDGE_BOX_MCR(edge,absolute_edge,pointa,pointb,_extend,0,2,2,0);\
}\
Definition at line 141 of file btBoxCollision.h.
| #define TEST_CROSS_EDGE_BOX_Z_AXIS_MCR | ( | edge, | |||
| absolute_edge, | |||||
| pointa, | |||||
| pointb, | |||||
| _extend | ) |
{\
TEST_CROSS_EDGE_BOX_MCR(edge,absolute_edge,pointa,pointb,_extend,1,0,0,1);\
}\
Definition at line 146 of file btBoxCollision.h.
Enumeration Type Documentation
Definition at line 51 of file btBoxCollision.h.
Function Documentation
| BT_BOX_BOX_TRANSFORM_CACHE | ( | ) |
Definition at line 187 of file btBoxCollision.h.
| SIMD_FORCE_INLINE btScalar bt_mat3_dot_col | ( | const btMatrix3x3 & | mat, | |
| const btVector3 & | vec3, | |||
| int | colindex | |||
| ) |
Returns the dot product between a vec3f and the col of a matrix.
Definition at line 153 of file btBoxCollision.h.
| SIMD_FORCE_INLINE bool btCompareTransformsEqual | ( | const btTransform & | t1, | |
| const btTransform & | t2 | |||
| ) |
Axis aligned box.
Compairison of transformation objects
Definition at line 635 of file btBoxCollision.h.
| SIMD_FORCE_INLINE void calc_absolute_matrix | ( | ) |
Definition at line 168 of file btBoxCollision.h.
| SIMD_FORCE_INLINE void calc_from_full_invert | ( | const btTransform & | trans0, | |
| const btTransform & | trans1 | |||
| ) |
Calcs the full invertion of the matrices. Useful for scaling matrices.
Definition at line 208 of file btBoxCollision.h.
| SIMD_FORCE_INLINE void calc_from_homogenic | ( | const btTransform & | trans0, | |
| const btTransform & | trans1 | |||
| ) |
Calc the transformation relative 1 to 0. Inverts matrics by transposing.
Definition at line 194 of file btBoxCollision.h.
Definition at line 219 of file btBoxCollision.h.
Variable Documentation
Absolute value of m_R1to0.
Definition at line 166 of file btBoxCollision.h.
Transforms Rotation of model1 to model 0, equal to R0' * R1.
Definition at line 165 of file btBoxCollision.h.
Class for transforming a model1 to the space of model0.
Transforms translation of model1 to model 0
Definition at line 164 of file btBoxCollision.h.
