CPhysicsObject *CreatePhysicsSphere( CPhysicsEnvironment *pEnvironment, float radius, int materialIndex, const Vector &position, const QAngle &angles, objectparams_t *pParams, bool isStatic ) { IVP_U_Quat rotation; IVP_U_Point pos; ConvertRotationToIVP( angles, rotation ); ConvertPositionToIVP( position, pos ); IVP_Template_Real_Object objectTemplate; InitObjectTemplate( objectTemplate, materialIndex, pParams, isStatic ); IVP_Template_Ball ballTemplate; ballTemplate.radius = ConvertDistanceToIVP( radius ); IVP_Ball *realObject = pEnvironment->GetIVPEnvironment()->create_ball( &ballTemplate, &objectTemplate, &rotation, &pos ); float volume = pParams->volume; if ( volume <= 0 ) { volume = 4.0f * radius * radius * radius * M_PI / 3.0f; } CPhysicsObject *pObject = new CPhysicsObject(); pObject->Init( realObject, materialIndex, volume, 0, 0, NULL ); //, pParams->dragCoefficient, pParams->dragCoefficient pObject->SetGameData( pParams->pGameData ); if ( pParams->enableCollisions ) { pObject->EnableCollisions( true ); } // drag is not supported on spheres //pObject->EnableDrag( false ); // no rolling drag by default pObject->SetRollingDrag( 0 ); return pObject; }
CPhysicsObject* CreatePhysicsSphere(CPhysicsEnvironment *pEnvironment, float radius, int materialIndex, const Vector &position, const QAngle &angles, objectparams_t *pParams, bool isStatic) { btSphereShape* shape = new btSphereShape(ConvertDistanceToBull(radius)); btVector3 vector; btMatrix3x3 matrix; ConvertPosToBull(position, vector); ConvertRotationToBull(angles, matrix); btTransform transform(matrix, vector); float mass = pParams->mass; if (isStatic) mass = 0; btMotionState* motionstate = new btMassCenterMotionState(transform); btRigidBody::btRigidBodyConstructionInfo info(mass,motionstate,shape); btRigidBody* body = new btRigidBody(info); if (mass > 0) pEnvironment->GetBulletEnvironment()->addRigidBody(body); else pEnvironment->GetBulletEnvironment()->addRigidBody(body, 2, ~2); float volume = pParams->volume; if (volume <= 0) { volume = 4.0f * radius * radius * radius * M_PI / 3.0f; } CPhysicsObject *pObject = new CPhysicsObject(); pObject->Init(pEnvironment, body, materialIndex, volume, 0, 0, NULL); pObject->SetGameData(pParams->pGameData); pObject->EnableCollisions(pParams->enableCollisions); return pObject; }
CPhysicsObject* CreatePhysicsObject(CPhysicsEnvironment *pEnvironment, const CPhysCollide *pCollisionModel, int materialIndex, const Vector &position, const QAngle& angles, objectparams_t *pParams, bool isStatic) { btCollisionShape* shape = (btCollisionShape*)pCollisionModel; btVector3 vector; btMatrix3x3 matrix; ConvertPosToBull(position, vector); ConvertRotationToBull(angles, matrix); btTransform transform(matrix, vector); PhysicsShapeInfo *shapeInfo = (PhysicsShapeInfo*)shape->getUserPointer(); btTransform masscenter(btMatrix3x3::getIdentity()); if (shapeInfo) masscenter.setOrigin(shapeInfo->massCenter); float mass = pParams->mass; if (isStatic) mass = 0; btVector3 inertia; shape->calculateLocalInertia(mass, inertia); btMotionState* motionstate = new btMassCenterMotionState(transform, masscenter); btRigidBody::btRigidBodyConstructionInfo info(mass,motionstate,shape,inertia); info.m_linearDamping = pParams->damping; info.m_angularDamping = pParams->rotdamping; //info.m_localInertia = btVector3(pParams->inertia, pParams->inertia, pParams->inertia); btRigidBody* body = new btRigidBody(info); if (mass > 0) pEnvironment->GetBulletEnvironment()->addRigidBody(body); else pEnvironment->GetBulletEnvironment()->addRigidBody(body, 2, ~2); CPhysicsObject *pObject = new CPhysicsObject(); pObject->Init(pEnvironment, body, materialIndex, pParams->volume, pParams->dragCoefficient, pParams->dragCoefficient, pParams->massCenterOverride); pObject->SetGameData(pParams->pGameData); pObject->EnableCollisions(pParams->enableCollisions); if (!isStatic && pParams->dragCoefficient != 0.0f) pObject->EnableDrag(true); /*if (mass > 0) { btVector3 mins, maxs; shape->getAabb(btTransform::getIdentity(), mins, maxs); float maxradius = min(min(abs(maxs.getX()), abs(maxs.getY())), abs(maxs.getZ())); float minradius = min(min(abs(mins.getX()), abs(mins.getY())), abs(mins.getZ())); float radius = min(maxradius,minradius)/2.0f; body->setCcdMotionThreshold(radius*0.5f); body->setCcdSweptSphereRadius(0.2f*radius); }*/ return pObject; }
CPhysicsObject *CreatePhysicsObject( CPhysicsEnvironment *pEnvironment, const CPhysCollide *pCollisionModel, int materialIndex, const Vector &position, const QAngle& angles, objectparams_t *pParams, bool isStatic ) { IVP_Template_Real_Object objectTemplate; IVP_U_Quat rotation; IVP_U_Point pos; ConvertRotationToIVP( angles, rotation ); ConvertPositionToIVP( position, pos ); InitObjectTemplate( objectTemplate, materialIndex, pParams, isStatic ); IVP_U_Matrix massCenterMatrix; massCenterMatrix.init(); if ( pParams->massCenterOverride ) { IVP_U_Point center; ConvertPositionToIVP( *pParams->massCenterOverride, center ); massCenterMatrix.shift_os( ¢er ); objectTemplate.mass_center_override = &massCenterMatrix; } CPhysicsObject *pObject = new CPhysicsObject(); IVP_SurfaceManager *pSurman = CreateSurfaceManager( pCollisionModel, pObject->m_collideType ); BEGIN_IVP_ALLOCATION(); IVP_Polygon *realObject = pEnvironment->GetIVPEnvironment()->create_polygon(pSurman, &objectTemplate, &rotation, &pos); pObject->Init( realObject, materialIndex, pParams->volume, pParams->dragCoefficient, pParams->dragCoefficient, pParams->massCenterOverride ); pObject->SetGameData( pParams->pGameData ); if ( pParams->enableCollisions ) { pObject->EnableCollisions( true ); } if ( !isStatic && pParams->dragCoefficient != 0.0f ) { pObject->EnableDrag( true ); } pObject->SetRollingDrag( pParams->rollingDrag ); END_IVP_ALLOCATION(); return pObject; }