//-----------------------------------------------------------------------------
// Name: Bound::Collide
// Desc: collides this bound with a sphere
//-----------------------------------------------------------------------------
BOOL Bound::Collide( const Sphere& Sphere ) const
{
switch( m_Type )
{
case Bound::Sphere_Bound:
return IntersectSphereSphere( &GetSphere(), &Sphere );
case Bound::Frustum_Bound:
return ( BOOL )IntersectSphereFrustum( &Sphere, &GetFrustum() );
case Bound::OBB_Bound:
return IntersectSphereOrientedBox( &Sphere, &GetObb() );
case Bound::AABB_Bound:
return IntersectSphereAxisAlignedBox( &Sphere, &GetAabb() );
case Bound::No_Bound:
return TRUE;
}
return FALSE;
}
BOOL cCollision::CollisionSphereSphere( cSphere& SphereA,D3DXVECTOR3& vecA,cSphere& SphereB,D3DXVECTOR3& vecB )
{
//둘다 멈춰있는 구라면
float LengthSqA=D3DXVec3LengthSq(&vecA);
float LengthSqB=D3DXVec3LengthSq(&vecB);
if ((LengthSqA==0)&&(LengthSqB==0))
{ // 그냥 겹침검사
return IntersectSphereSphere(SphereA,SphereB);
}
cLine LineA,LineB;
// float CrossTA,CrossTB;
if ((LengthSqA!=0.0f)&&(LengthSqB!=0.0f))
{
LineA.Make(SphereA.GetCenterPos(),SphereA.GetCenterPos()+vecA);
LineB.Make(SphereB.GetCenterPos(),SphereB.GetCenterPos()+vecB);
LineA.GetDirection();
}
else if (LengthSqA==0.0f)
{
LineB.Make(SphereB.GetCenterPos(),SphereB.GetCenterPos()+vecB);
}
else
{
LineA.Make(SphereA.GetCenterPos(),SphereA.GetCenterPos()+vecA);
}
// IntersectLineSphere()
return TRUE;
}
