Ejemplo n.º 1
0
// DragTo
void
OffsetCenterState::DragTo(BPoint current, uint32 modifiers)
{
	// apply the pivot offset on a temporary copy,
	// calculate the effect on the translation and compensate it

	fParent->InverseTransform(&current);

	AdvancedTransform t(*fParent);

	BPoint originA(B_ORIGIN);
	t.Transform(&originA);

	t.SetPivot(t.Pivot() + (current - fOrigin));

	BPoint originB(B_ORIGIN);
	t.Transform(&originB);

	originA = originA - originB;

	fParent->SetTransformation(t.Pivot(),
							   t.Translation() + originA,
							   t.LocalRotation(),
							   t.LocalXScale(),
							   t.LocalYScale());

	fOrigin = current;
}
Ejemplo n.º 2
0
double capsuleBoxDistance(const Vector3d& a_start, const Vector3d& a_end, const double a_radius, const Vector3d& b_center, const Vector3d& b_half_length, Vector3d& direction)
{
	btTransform tr[2];

	Matrix3d rotationA;
	rotation_from_tangent((a_start - a_end).normalized(), rotationA);
	btMatrix3x3 basisA;
	basisA.setValue(rotationA(0,1), rotationA(0,0), rotationA(0,2),
									rotationA(1,1), rotationA(1,0), rotationA(1,2),
									rotationA(2,1), rotationA(2,0), rotationA(2,2));
	btMatrix3x3 basisB;
	basisB.setIdentity();
	tr[0].setBasis(basisA);
	tr[1].setBasis(basisB);
	
	Vector3d mid_point = (a_start + a_end)/2.0;
	btVector3 originA(mid_point(0), mid_point(1), mid_point(2));
	btVector3 originB(b_center(0), b_center(1), b_center(2));
	tr[0].setOrigin(originA);
	tr[1].setOrigin(originB);	
	
	btCollisionShape*	shapePtr[2];
	
	btCapsuleShape capsule(btScalar(a_radius), btScalar((a_start-a_end).norm()));
	btBoxShape box(btVector3(b_half_length(0), b_half_length(1), b_half_length(2)));
	shapePtr[0] = &capsule;
	shapePtr[1] = &box;

	btDefaultCollisionConfiguration collisionConfiguration;
	btCollisionDispatcher				dispatcher(&collisionConfiguration);
	btDbvtBroadphase pairCache;
	btCollisionWorld world (&dispatcher,&pairCache,&collisionConfiguration);
	world.getDispatchInfo().m_convexMaxDistanceUseCPT = true;
	MyContactResultCallback result;
	btCollisionObject obA;
	obA.setCollisionShape(shapePtr[0]);
	obA.setWorldTransform(tr[0]);
	btCollisionObject obB;
	obB.setCollisionShape(shapePtr[1]);
	obB.setWorldTransform(tr[1]);
	world.contactPairTest(&obA,&obB,result);

	direction = result.positionWorldOnB - result.positionWorldOnA;
	return result.distance;
}
Ejemplo n.º 3
0
//Returns the minimun distance between a sphere and a box. If the distance is positive, the sphere is not colliding. If the distance is negative, the absolute value of it is the minimun intersecting distance.
//direction is a vector describing the minimun movement the sphere needs to take in order to fix the interesection.
double sphereBoxDistance(const Vector3d& a_center, const double a_radius, const Vector3d& b_center, const Vector3d& b_half_length, Vector3d& direction)
{
	btTransform tr[2];

	btMatrix3x3 basisA;
	basisA.setIdentity();
	btMatrix3x3 basisB;
	basisB.setIdentity();
	tr[0].setBasis(basisA);
	tr[1].setBasis(basisB);
	
	btVector3 originA(a_center(0), a_center(1), a_center(2));
	btVector3 originB(b_center(0), b_center(1), b_center(2));
	tr[0].setOrigin(originA);
	tr[1].setOrigin(originB);	
	
	btConvexShape*	shapePtr[2];
	
	btCapsuleShape sphere(btScalar(a_radius), btScalar(0));
	btBoxShape box(btVector3(b_half_length(0), b_half_length(1), b_half_length(2)));
	shapePtr[0] = &sphere;
	shapePtr[1] = &box;

	btDefaultCollisionConfiguration collisionConfiguration;
	btCollisionDispatcher				dispatcher(&collisionConfiguration);
	btDbvtBroadphase pairCache;
	btCollisionWorld world (&dispatcher,&pairCache,&collisionConfiguration);
	world.getDispatchInfo().m_convexMaxDistanceUseCPT = true;
	MyContactResultCallback result;
	btCollisionObject obA;
	obA.setCollisionShape(shapePtr[0]);
	obA.setWorldTransform(tr[0]);
	btCollisionObject obB;
	obB.setCollisionShape(shapePtr[1]);
	obB.setWorldTransform(tr[1]);
	world.contactPairTest(&obA,&obB,result);
	
	direction = result.positionWorldOnB - result.positionWorldOnA;
	return result.distance;
}
Ejemplo n.º 4
0
EDA_RECT EDA_RECT::Common( const EDA_RECT& aRect ) const
{
    EDA_RECT r;

    if( Intersects( aRect ) )
    {
        wxPoint originA( std::min( GetOrigin().x, GetEnd().x ),
                         std::min( GetOrigin().y, GetEnd().y ) );
        wxPoint originB( std::min( aRect.GetOrigin().x, aRect.GetEnd().x ),
                         std::min( aRect.GetOrigin().y, aRect.GetEnd().y ) );
        wxPoint endA( std::max( GetOrigin().x, GetEnd().x ),
                      std::max( GetOrigin().y, GetEnd().y ) );
        wxPoint endB( std::max( aRect.GetOrigin().x, aRect.GetEnd().x ),
                      std::max( aRect.GetOrigin().y, aRect.GetEnd().y ) );


        r.SetOrigin( wxPoint( std::max( originA.x, originB.x ), std::max( originA.y, originB.y ) ) );
        r.SetEnd   ( wxPoint( std::min( endA.x, endB.x ),       std::min( endA.y, endB.y ) ) );
    }

    return r;
}