void Hit3DPoly::Collide(const CollisionEvent& coll)
{
Ball * const pball = coll.m_ball;
const Vertex3Ds& hitnormal = coll.m_hitnormal;
if (m_ObjType != eTrigger)
{
const float dot = -(hitnormal.Dot(pball->m_vel));
pball->Collide3DWall(m_normal, m_elasticity, m_elasticityFalloff, m_friction, m_scatter);
if (m_obj && m_fe && dot >= m_threshold)
{
if (m_ObjType == ePrimitive)
{
m_obj->m_currentHitThreshold = dot;
FireHitEvent(pball);
}
else if (m_ObjType == eHitTarget && ((HitTarget*)m_obj)->m_d.m_isDropped == false)
{
((HitTarget*)m_obj)->m_hitEvent = true;
m_obj->m_currentHitThreshold = dot;
FireHitEvent(pball);
}
}
}
else // trigger:
{
if (!pball->m_vpVolObjs) return;
const int i = FindIndexOf(*(pball->m_vpVolObjs), m_obj); // if -1 then not in objects volume set (i.e not already hit)
if ((!coll.m_hitflag) == (i < 0)) // Hit == NotAlreadyHit
{
pball->m_pos += STATICTIME * pball->m_vel; //move ball slightly forward
if (i < 0)
{
pball->m_vpVolObjs->push_back(m_obj);
((Trigger*)m_obj)->FireGroupEvent(DISPID_HitEvents_Hit);
}
else
{
pball->m_vpVolObjs->erase(pball->m_vpVolObjs->begin() + i);
((Trigger*)m_obj)->FireGroupEvent(DISPID_HitEvents_Unhit);
}
}
}
}
void HitGate::Collide(CollisionEvent* coll)
{
Ball *pball = coll->ball;
const Vertex3Ds& hitnormal = coll->hitnormal;
const float dot = pball->m_vel.x * hitnormal.x + pball->m_vel.y * hitnormal.y;
if (dot > 0.0f && !m_twoWay) return; //hit from back doesn't count
const float h = m_pgate->m_d.m_height;
//linear speed = ball speed
//angular speed = linear/radius (height of hit)
// h is the height of the gate axis.
m_gateanim.m_anglespeed = fabsf(dot); // use this until a better value comes along
if (fabsf(h - pball->m_radius) > 1.0f) // avoid divide by zero
m_gateanim.m_anglespeed /= h - pball->m_radius;
// We encoded which side of the spinner the ball hit
if (coll->hitvelocity.x==0.0f && m_twoWay)
m_gateanim.m_anglespeed = -m_gateanim.m_anglespeed;
FireHitEvent(pball);
}
void HitGate::Collide(const CollisionEvent& coll)
{
Ball * const pball = coll.m_ball;
const Vertex3Ds& hitnormal = coll.m_hitnormal;
const float dot = coll.m_hitnormal.Dot(coll.m_ball->m_vel);
const float h = m_pgate->m_d.m_height*0.5f;
//linear speed = ball speed
//angular speed = linear/radius (height of hit)
float speed = fabsf(dot);
// h is the height of the gate axis.
if (fabsf(h) > 1.0f) // avoid divide by zero
speed /= h;
m_gateMover.m_anglespeed = speed;
if (!coll.m_hitflag && !m_twoWay)
{
m_gateMover.m_anglespeed *= (float)(1.0/8.0); // Give a little bounce-back.
return; // hit from back doesn't count if not two-way
}
// We encoded which side of the spinner the ball hit
if (coll.m_hitflag && m_twoWay)
m_gateMover.m_anglespeed = -m_gateMover.m_anglespeed;
FireHitEvent(pball);
}
void HitPoint::Collide(CollisionEvent *coll)
{
const float dot = coll->hitnormal.Dot(coll->ball->m_vel);
coll->ball->Collide3DWall(coll->hitnormal, m_elasticity, m_elasticityFalloff, m_friction, m_scatter);
if (dot <= -m_threshold)
FireHitEvent(coll->ball);
}
void LineSeg::Collide(CollisionEvent *coll)
{
const float dot = coll->hitnormal.x * coll->ball->m_vel.x + coll->hitnormal.y * coll->ball->m_vel.y;
coll->ball->Collide2DWall(coll->hitnormal, m_elasticity, m_elasticityFalloff, m_friction, m_scatter);
if (dot <= -m_threshold)
FireHitEvent(coll->ball);
}
void HitLine3D::Collide(CollisionEvent* coll)
{
Ball *pball = coll->ball;
const Vertex3Ds& hitnormal = coll->hitnormal;
const float dot = hitnormal.Dot(pball->m_vel);
pball->Collide3DWall(hitnormal, m_elasticity, m_elasticityFalloff, m_friction, m_scatter);
if (m_ObjType == ePrimitive && dot <= -m_threshold)
FireHitEvent(pball);
}
void HitLine3D::Collide(const CollisionEvent& coll)
{
Ball *const pball = coll.m_ball;
const Vertex3Ds& hitnormal = coll.m_hitnormal;
const float dot = -(hitnormal.Dot(pball->m_vel));
pball->Collide3DWall(hitnormal, m_elasticity, m_elasticityFalloff, m_friction, m_scatter);
if (m_obj && m_fe && dot >= m_threshold)
{
if (m_ObjType == ePrimitive)
{
m_obj->m_currentHitThreshold = dot;
FireHitEvent(pball);
}
else if (m_ObjType == eHitTarget && ((HitTarget*)m_obj)->m_d.m_isDropped == false)
{
((HitTarget*)m_obj)->m_hitEvent = true;
m_obj->m_currentHitThreshold = dot;
FireHitEvent(pball);
}
}
}
void Hit3DPoly::Collide(CollisionEvent *coll)
{
Ball *pball = coll->ball;
const Vertex3Ds& hitnormal = coll->hitnormal;
if (m_ObjType != eTrigger)
{
const float dot = hitnormal.x * pball->m_vel.x + hitnormal.y * pball->m_vel.y;
pball->Collide3DWall(normal, m_elasticity, m_elasticityFalloff, m_friction, m_scatter);
if (m_ObjType == ePrimitive && dot <= -m_threshold)
FireHitEvent(pball);
}
else
{
if (!pball->m_vpVolObjs) return;
const int i = pball->m_vpVolObjs->IndexOf(m_pObj); // if -1 then not in objects volume set (i.e not already hit)
if ((coll->hitvelocity.x != 1.0f) == (i < 0)) // Hit == NotAlreadyHit
{
pball->m_pos += STATICTIME * pball->m_vel; //move ball slightly forward
if (i < 0)
{
pball->m_vpVolObjs->AddElement(m_pObj);
((Trigger*)m_pObj)->FireGroupEvent(DISPID_HitEvents_Hit);
}
else
{
pball->m_vpVolObjs->RemoveElementAt(i);
((Trigger*)m_pObj)->FireGroupEvent(DISPID_HitEvents_Unhit);
}
}
}
}
