Blender: btPrimitiveTriangle Class Reference

Blender V2.61 - r43446

#include <btTriangleShapeEx.h>

List of all members.

Public Member Functions
	btPrimitiveTriangle ()
SIMD_FORCE_INLINE void	buildTriPlane ()
bool	overlap_test_conservative (const btPrimitiveTriangle &other)
	Test if triangles could collide.
SIMD_FORCE_INLINE void	get_edge_plane (int edge_index, btVector4 &plane) const
	Calcs the plane which is paralele to the edge and perpendicular to the triangle plane.
void	applyTransform (const btTransform &t)
int	clip_triangle (btPrimitiveTriangle &other, btVector3 *clipped_points)
	Clips the triangle against this.
bool	find_triangle_collision_clip_method (btPrimitiveTriangle &other, GIM_TRIANGLE_CONTACT &contacts)
	Find collision using the clipping method.
Public Attributes
btVector3	m_vertices [3]
btVector4	m_plane
btScalar	m_margin
btScalar	m_dummy

Detailed Description

Definition at line 74 of file btTriangleShapeEx.h.

Constructor & Destructor Documentation

btPrimitiveTriangle::btPrimitiveTriangle ( ) [inline]

Definition at line 81 of file btTriangleShapeEx.h.

Member Function Documentation

void btPrimitiveTriangle::applyTransform ( const btTransform & t ) [inline]

Definition at line 108 of file btTriangleShapeEx.h.

References m_vertices.

Referenced by btGImpactCollisionAlgorithm::collide_sat_triangles().

SIMD_FORCE_INLINE void btPrimitiveTriangle::buildTriPlane ( ) [inline]

Definition at line 87 of file btTriangleShapeEx.h.

References cross(), dot(), m_plane, m_vertices, and btVector4::setValue().

Referenced by btGImpactCollisionAlgorithm::collide_sat_triangles().

int btPrimitiveTriangle::clip_triangle	(	btPrimitiveTriangle &	other,
		btVector3 *	clipped_points
	)

Clips the triangle against this.

Precondition:: clipped_points must have MAX_TRI_CLIPPING size, and this triangle must have its plane calculated.

Returns:: the number of clipped points

Definition at line 89 of file btTriangleShapeEx.cpp.

References bt_plane_clip_polygon(), bt_plane_clip_triangle(), get_edge_plane(), m_vertices, and MAX_TRI_CLIPPING.

Referenced by find_triangle_collision_clip_method().

bool btPrimitiveTriangle::find_triangle_collision_clip_method	(	btPrimitiveTriangle &	other,
		GIM_TRIANGLE_CONTACT &	contacts
	)

Find collision using the clipping method.

Precondition:: this triangle and other must have their triangles calculated

Definition at line 126 of file btTriangleShapeEx.cpp.

References clip_triangle(), GIM_TRIANGLE_CONTACT::copy_from(), m_margin, GIM_TRIANGLE_CONTACT::m_penetration_depth, m_plane, GIM_TRIANGLE_CONTACT::m_point_count, GIM_TRIANGLE_CONTACT::m_separating_normal, MAX_TRI_CLIPPING, and GIM_TRIANGLE_CONTACT::merge_points().

Referenced by btGImpactCollisionAlgorithm::collide_sat_triangles().

SIMD_FORCE_INLINE void btPrimitiveTriangle::get_edge_plane	(	int	edge_index,
		btVector4 &	plane
	)		const `[inline]`

Calcs the plane which is paralele to the edge and perpendicular to the triangle plane.

Precondition:: this triangle must have its plane calculated.

Definition at line 101 of file btTriangleShapeEx.h.

References bt_edge_plane(), m_plane, and m_vertices.

Referenced by clip_triangle().

bool btPrimitiveTriangle::overlap_test_conservative ( const btPrimitiveTriangle & other )

Test if triangles could collide.

class btPrimitiveTriangle

Definition at line 65 of file btTriangleShapeEx.cpp.

References bt_distance_point_plane(), m_margin, m_plane, and m_vertices.

Referenced by btGImpactCollisionAlgorithm::collide_sat_triangles().

Member Data Documentation

btScalar btPrimitiveTriangle::m_dummy

Definition at line 80 of file btTriangleShapeEx.h.

btScalar btPrimitiveTriangle::m_margin

Definition at line 79 of file btTriangleShapeEx.h.

Referenced by find_triangle_collision_clip_method(), btGImpactMeshShapePart::TrimeshPrimitiveManager::get_primitive_box(), btGImpactMeshShapePart::TrimeshPrimitiveManager::get_primitive_triangle(), and overlap_test_conservative().

btVector4 btPrimitiveTriangle::m_plane

Definition at line 78 of file btTriangleShapeEx.h.

Referenced by buildTriPlane(), find_triangle_collision_clip_method(), get_edge_plane(), and overlap_test_conservative().

btVector3 btPrimitiveTriangle::m_vertices[3]

Definition at line 77 of file btTriangleShapeEx.h.

Referenced by applyTransform(), buildTriPlane(), clip_triangle(), get_edge_plane(), btGImpactMeshShapePart::TrimeshPrimitiveManager::get_primitive_box(), btGImpactMeshShapePart::TrimeshPrimitiveManager::get_primitive_triangle(), overlap_test_conservative(), and btGImpactMeshShapePart::processAllTriangles().

The documentation for this class was generated from the following files: