mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
42 lines
1.8 KiB
C++
42 lines
1.8 KiB
C++
|
|
#ifndef BT_INTERNAL_EDGE_UTILITY_H
|
|
#define BT_INTERNAL_EDGE_UTILITY_H
|
|
|
|
#include "LinearMath/btHashMap.h"
|
|
#include "LinearMath/btVector3.h"
|
|
|
|
#include "BulletCollision/CollisionShapes/btTriangleInfoMap.h"
|
|
|
|
///The btInternalEdgeUtility helps to avoid or reduce artifacts due to wrong collision normals caused by internal edges.
|
|
///See also http://code.google.com/p/bullet/issues/detail?id=27
|
|
|
|
class btBvhTriangleMeshShape;
|
|
class btCollisionObject;
|
|
struct btCollisionObjectWrapper;
|
|
class btManifoldPoint;
|
|
class btIDebugDraw;
|
|
|
|
enum btInternalEdgeAdjustFlags
|
|
{
|
|
BT_TRIANGLE_CONVEX_BACKFACE_MODE = 1,
|
|
BT_TRIANGLE_CONCAVE_DOUBLE_SIDED = 2, //double sided options are experimental, single sided is recommended
|
|
BT_TRIANGLE_CONVEX_DOUBLE_SIDED = 4
|
|
};
|
|
|
|
///Call btGenerateInternalEdgeInfo to create triangle info, store in the shape 'userInfo'
|
|
void btGenerateInternalEdgeInfo(btBvhTriangleMeshShape* trimeshShape, btTriangleInfoMap* triangleInfoMap);
|
|
|
|
///Call the btFixMeshNormal to adjust the collision normal, using the triangle info map (generated using btGenerateInternalEdgeInfo)
|
|
///If this info map is missing, or the triangle is not store in this map, nothing will be done
|
|
void btAdjustInternalEdgeContacts(btManifoldPoint& cp, const btCollisionObjectWrapper* trimeshColObj0Wrap, const btCollisionObjectWrapper* otherColObj1Wrap, int partId0, int index0, int normalAdjustFlags = 0);
|
|
|
|
///Enable the BT_INTERNAL_EDGE_DEBUG_DRAW define and call btSetDebugDrawer, to get visual info to see if the internal edge utility works properly.
|
|
///If the utility doesn't work properly, you might have to adjust the threshold values in btTriangleInfoMap
|
|
//#define BT_INTERNAL_EDGE_DEBUG_DRAW
|
|
|
|
#ifdef BT_INTERNAL_EDGE_DEBUG_DRAW
|
|
void btSetDebugDrawer(btIDebugDraw* debugDrawer);
|
|
#endif //BT_INTERNAL_EDGE_DEBUG_DRAW
|
|
|
|
#endif //BT_INTERNAL_EDGE_UTILITY_H
|