void CGolfer::Throw()
{
CPlayer* p=(CPlayer*)parent;
D3DMATRIX m;
D3DVECTOR v=D3DVECTOR(0,0,2);
D3DUtil_SetRotateYMatrix(m,-p->ang.y);
D3DMath_VectorMatrixMultiply(v,v,m);
pos=p->pos+v;
if (!world->IsInside(pos))world->MakeInside(pos);
pos.y=world->HeightAtPoint(pos.x,pos.z);
box->SetPos(pos);
CObject* akt=chain->GetFirst();
while (akt)
{
if (GetType(akt->id)==IDStall)
{
Rebound(((CStall*)akt)->box);
Rebound(((CStall*)akt)->eingang);
}
if (GetType(akt->id)==IDTree)
Rebound(((CTree*)akt)->box);
if (GetType(akt->id)==IDDrescher)
Rebound(((CDrescher*)akt)->box2);
akt=akt->next;
}
schlag.phase=0.0f;
parent=NULL;
ejecttime=3.0f;
}
void PhysicalObj::Collide(collision_t collision, PhysicalObj* collided_obj, const Point2d& position)
{
Point2d contactPos;
Double contactAngle;
switch (collision) {
case NO_COLLISION:
// Nothing more to do!
return;
case COLLISION_ON_GROUND:
ContactPointAngleOnGround(position, contactPos, contactAngle);
ASSERT(!collided_obj);
break;
case COLLISION_ON_OBJECT:
contactPos = position;
contactAngle = - GetSpeedAngle();
// Compute the new speed norm of this and collided_obj, new speed angle will be set
// thanks to Rebound()
// Get the current speed
Double v1, v2, mass1, angle1, angle2, mass2;
collided_obj->GetSpeed(v1, angle1);
GetSpeed(v2, angle2);
mass1 = GetMass();
mass2 = collided_obj->GetMass();
// Give speed to the other object
// thanks to physic and calculations about chocs, we know that :
//
// v'1 = ((m1 - m2) * v1 + 2m1 *v2) / (m1 + m2)
// v'2 = ((m2 - m1) * v2 + 2m1 *v1) / (m1 + m2)
collided_obj->SetSpeed(abs(((mass1 - mass2) * v1 + 2 * mass1 *v2 * m_cfg.m_rebound_factor) / (mass1 + mass2)),
angle1);
SetSpeed(abs(((mass2 - mass1) * v2 + 2 * mass1 *v1 * m_cfg.m_rebound_factor) / (mass1 + mass2)), angle2);
break;
}
// Mark it as last collided object
m_last_collided_object = collided_obj;
// Make it rebound!!
MSG_DEBUG("physic.state", "%s rebounds at %.3f,%.3f", GetName().c_str(),
contactPos.x.tofloat(), contactPos.y.tofloat());
Rebound(contactPos, contactAngle);
CheckRebound();
}
