Bullet Collision Detection & Physics Library
Functions
btClipPolygon.h File Reference
#include "LinearMath/btTransform.h"
#include "LinearMath/btGeometryUtil.h"
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Functions

btScalar bt_distance_point_plane (const btVector4 &plane, const btVector3 &point)
 
void bt_vec_blend (btVector3 &vr, const btVector3 &va, const btVector3 &vb, btScalar blend_factor)
 
void bt_plane_clip_polygon_collect (const btVector3 &point0, const btVector3 &point1, btScalar dist0, btScalar dist1, btVector3 *clipped, int &clipped_count)
 This function calcs the distance from a 3D plane. More...
 
int bt_plane_clip_polygon (const btVector4 &plane, const btVector3 *polygon_points, int polygon_point_count, btVector3 *clipped)
 Clips a polygon by a plane. More...
 
int bt_plane_clip_triangle (const btVector4 &plane, const btVector3 &point0, const btVector3 &point1, const btVector3 &point2, btVector3 *clipped)
 Clips a polygon by a plane. More...
 

Detailed Description

Author
Francisco Leon Najera

Definition in file btClipPolygon.h.

Function Documentation

btScalar bt_distance_point_plane ( const btVector4 plane,
const btVector3 point 
)
inline

Definition at line 31 of file btClipPolygon.h.

int bt_plane_clip_polygon ( const btVector4 plane,
const btVector3 polygon_points,
int  polygon_point_count,
btVector3 clipped 
)
inline

Clips a polygon by a plane.

Returns
The count of the clipped counts

Definition at line 72 of file btClipPolygon.h.

void bt_plane_clip_polygon_collect ( const btVector3 point0,
const btVector3 point1,
btScalar  dist0,
btScalar  dist1,
btVector3 clipped,
int &  clipped_count 
)
inline

This function calcs the distance from a 3D plane.

Definition at line 44 of file btClipPolygon.h.

int bt_plane_clip_triangle ( const btVector4 plane,
const btVector3 point0,
const btVector3 point1,
const btVector3 point2,
btVector3 clipped 
)
inline

Clips a polygon by a plane.

Parameters
clippedmust be an array of 16 points.
Returns
The count of the clipped counts

Definition at line 122 of file btClipPolygon.h.

void bt_vec_blend ( btVector3 vr,
const btVector3 va,
const btVector3 vb,
btScalar  blend_factor 
)
inline

Vector blending Takes two vectors a, b, blends them together

Definition at line 38 of file btClipPolygon.h.