blender/source/gameengine/Ketsji/KX_ConvertPhysicsObject.h

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
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*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
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*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
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*/
/** \file KX_ConvertPhysicsObject.h
* \ingroup ketsji
*/
#ifndef __KX_CONVERTPHYSICSOBJECT_H__
#define __KX_CONVERTPHYSICSOBJECT_H__
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class RAS_MeshObject;
class KX_Scene;
struct DerivedMesh;
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typedef enum {
KX_BOUNDBOX,
KX_BOUNDSPHERE,
KX_BOUNDCYLINDER,
KX_BOUNDCONE,
KX_BOUNDMESH,
KX_BOUNDPOLYTOPE,
KX_BOUND_DYN_MESH,
KX_BOUNDCAPSULE
} KX_BoundBoxClass;
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struct KX_BoxBounds
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{
float m_center[3];
float m_extends[3];
};
/* Cone/Cylinder */
struct KX_CBounds
{
float m_radius;
float m_height;
};
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struct KX_ObjectProperties
{
bool m_dyna;
bool m_softbody;
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double m_radius;
bool m_angular_rigidbody;
bool m_in_active_layer;
bool m_ghost;
class KX_GameObject* m_dynamic_parent;
bool m_isactor;
bool m_sensor;
bool m_character;
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bool m_concave;
bool m_isdeformable;
bool m_disableSleeping;
bool m_hasCompoundChildren;
bool m_isCompoundChild;
/////////////////////////
int m_gamesoftFlag;
float m_soft_linStiff; /* linear stiffness 0..1 */
float m_soft_angStiff; /* angular stiffness 0..1 */
float m_soft_volume; /* volume preservation 0..1 */
int m_soft_viterations; /* Velocities solver iterations */
int m_soft_piterations; /* Positions solver iterations */
int m_soft_diterations; /* Drift solver iterations */
int m_soft_citerations; /* Cluster solver iterations */
float m_soft_kSRHR_CL; /* Soft vs rigid hardness [0,1] (cluster only) */
float m_soft_kSKHR_CL; /* Soft vs kinetic hardness [0,1] (cluster only) */
float m_soft_kSSHR_CL; /* Soft vs soft hardness [0,1] (cluster only) */
float m_soft_kSR_SPLT_CL; /* Soft vs rigid impulse split [0,1] (cluster only) */
float m_soft_kSK_SPLT_CL; /* Soft vs rigid impulse split [0,1] (cluster only) */
float m_soft_kSS_SPLT_CL; /* Soft vs rigid impulse split [0,1] (cluster only) */
float m_soft_kVCF; /* Velocities correction factor (Baumgarte) */
float m_soft_kDP; /* Damping coefficient [0,1] */
float m_soft_kDG; /* Drag coefficient [0,+inf] */
float m_soft_kLF; /* Lift coefficient [0,+inf] */
float m_soft_kPR; /* Pressure coefficient [-inf,+inf] */
float m_soft_kVC; /* Volume conversation coefficient [0,+inf] */
float m_soft_kDF; /* Dynamic friction coefficient [0,1] */
float m_soft_kMT; /* Pose matching coefficient [0,1] */
float m_soft_kCHR; /* Rigid contacts hardness [0,1] */
float m_soft_kKHR; /* Kinetic contacts hardness [0,1] */
float m_soft_kSHR; /* Soft contacts hardness [0,1] */
float m_soft_kAHR; /* Anchors hardness [0,1] */
int m_soft_collisionflags; /* Vertex/Face or Signed Distance Field(SDF) or Clusters, Soft versus Soft or Rigid */
int m_soft_numclusteriterations; /* number of iterations to refine collision clusters*/
float m_soft_welding; /* threshold to remove duplicate/nearby vertices */
/////////////////////////
bool m_lockXaxis;
bool m_lockYaxis;
bool m_lockZaxis;
bool m_lockXRotaxis;
bool m_lockYRotaxis;
bool m_lockZRotaxis;
/////////////////////////
BGE patch: new Physics button and margin parameter in Logic panel. Change subversion. The Physics button controls the creation of a physics representation of the object when starting the game. If the button is not selected, the object is a pure graphical object with no physics representation and all the other physics buttons are hidden. Selecting this button gives access to the usual physics buttons. The physics button is enabled by default to match previous Blender behavior. The margin parameter allows to control the collision margin from the UI. Previously, this parameter was only accessible through Python. By default, the collision margin is set to 0.0 on static objects and 0.06 on dynamic objects. To maintain compatibility with older games, the collision margin is set to 0.06 on all objects when loading older blend file. Note about the collision algorithms in Bullet 2.71 -------------------------------------------------- Bullet 2.71 handles the collision margin differently than Bullet 2.53 (the previous Bullet version in Blender). The collision margin is now kept "inside" the object for box, sphere and cylinder bound shapes. This means that two objects bound to any of these shape will come in close contact when colliding. The static mesh, convex hull and cone shapes still have their collision margin "outside" the object, which leaves a space of 1 or 2 times the collision margin between objects. The situation with Bullet 2.53 was more complicated, generally leading to more space between objects, except for box-box collisions. This means that running a old game under Bullet 2.71 may cause visual problems, especially if the objects are small. You can fix these problems by changing some visual aspect of the objects: center, shape, size, position of children, etc.
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double m_margin;
float m_contactProcessingThreshold;
KX_BoundBoxClass m_boundclass;
union {
KX_BoxBounds box;
KX_CBounds c;
} m_boundobject;
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};
void KX_ConvertDynamoObject(KX_GameObject* gameobj,
RAS_MeshObject* meshobj,
KX_Scene* kxscene,
struct PHY_ShapeProps* shapeprops,
struct PHY_MaterialProps* smmaterial,
struct KX_ObjectProperties* objprop);
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#ifdef USE_BULLET
void KX_ConvertBulletObject( class KX_GameObject* gameobj,
class RAS_MeshObject* meshobj,
struct DerivedMesh* dm,
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class KX_Scene* kxscene,
struct PHY_ShapeProps* shapeprops,
struct PHY_MaterialProps* smmaterial,
struct KX_ObjectProperties* objprop);
void KX_ClearBulletSharedShapes();
bool KX_ReInstanceBulletShapeFromMesh(KX_GameObject *gameobj, KX_GameObject *from_gameobj, RAS_MeshObject* from_meshobj);
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#endif
#endif //__KX_CONVERTPHYSICSOBJECT_H__