void World::DoCollisionResponse()
{
if(!contacts_.empty()) // m_iNumContacts > 0 )
{
vector<float> preRelVel;
preRelVel.resize(contacts_.size());
vector<float> impulseMag;
impulseMag.resize(contacts_.size());
ComputePreimpulseVelocity(preRelVel);
ComputeImpulseMagnitude(preRelVel, impulseMag);
DoImpulse(impulseMag);
}
}
//----------------------------------------------------------------------------
void BouncingTetrahedra::DoCollisionResponse ()
{
if (mNumContacts > 0)
{
float* preRelVelocities = new1<float>(mNumContacts);
float* impulseMagnitudes = new1<float>(mNumContacts);
ComputePreimpulseVelocity(preRelVelocities);
ComputeImpulseMagnitude(preRelVelocities, impulseMagnitudes);
DoImpulse(impulseMagnitudes);
delete1(preRelVelocities);
delete1(impulseMagnitudes);
}
for (int i = 0; i < NUM_TETRA; ++i)
{
mTetras[i]->Update(mSimTime, mSimDeltaTime);
}
}
void ProjectileHandler::HandleProjectiles()
{
for (int i = 0; i < projectileVector->size(); i++)
{
if (!projectileVector->at(i)->UpdateLife())
{
if (projectileVector->at(i)->explosionData[0] == 1)
{
//create explosion object with stats from projectile
CExplosion* explosion = new CExplosion(projectileVector->at(i)->explosionData[1], projectileVector->at(i)->explosionData[2], projectileVector->at(i)->explosionData[3],
projectileVector->at(i)->pos[0] + (projectileVector->at(i)->GetWidth() / 2) - (projectileVector->at(i)->explosionData[1] / 2)
, projectileVector->at(i)->pos[1] + (projectileVector->at(i)->GetHeight() / 2) - (projectileVector->at(i)->explosionData[1] / 2), 501);
vm->GetSoundPlayer()->PlaySound(explosion_small, 0);
//check if any solids (aka damagables) are within range
for (int x = 0; x < vm->GetSolidVector()->size(); x++)
{
CBaseObject * obj = vm->GetSolidVector()->at(x);
//calculate distance between proj and obj
int distance;
distance = sqrt((projectileVector->at(i)->GetX() - (obj->GetX() + obj->GetWidth() / 2))*(projectileVector->at(i)->GetX() - (obj->GetX() + obj->GetWidth() / 2)) + (projectileVector->at(i)->GetY() - (obj->GetY() + obj->GetHeight() / 2)) * (projectileVector->at(i)->GetY() - (obj->GetY() + obj->GetHeight() / 2)));
//if proj is almost right on the obj
if (distance <= sqrt(obj->GetWidth() / 2 * obj->GetWidth() / 2 + obj->GetHeight() / 2 + obj->GetHeight() / 2) + 8) // 8 + size/2 is the magic distance within which a projectile deals full damage
{
//take full damage
int damage = projectileVector->at(i)->explosionData[3];
obj->TakeDamage(damage);
//if the player fired the proj then show dmg numbers and play hit sound
if (projectileVector->at(i)->firedByPlayer)
{
if (vm->GetPlayer() == obj) //if player damages himself
{
damage /= 3; //lessen the damage
}
else
{
vm->GetSoundPlayer()->PlayDamageSound(damage);
}
CDamageNumber * dmgNumber = new CDamageNumber(damage, obj->GetX() + obj->GetWidth() / 2, obj->GetY());
vm->AddObject(dmgNumber);
}
}
//else if distance is lower than range
else if (distance < projectileVector->at(i)->explosionData[1])
{
//damage = damage - damage * (distance / range); (linear fall off)
int damage = projectileVector->at(i)->explosionData[3] - (projectileVector->at(i)->explosionData[3] * (distance / projectileVector->at(i)->explosionData[1]));
obj->TakeDamage(damage);
//if the player fired the proj then show dmg numbers and play hit sound
if (projectileVector->at(i)->firedByPlayer)
{
if (vm->GetPlayer() == obj) //if player damages himself
{
damage /= 3; //lessen the damage
//play hurt sound
}
else
{
vm->GetSoundPlayer()->PlayDamageSound(damage);
}
CDamageNumber * dmgNumber = new CDamageNumber(damage, obj->GetX() + obj->GetWidth() / 2, obj->GetY());
vm->AddObject(dmgNumber);
}
}
}
vm->AddObject(explosion);
vm->DeleteObject(projectileVector->at(i));
DoImpulse(explosion);
i--;
}
}
}
HandleExplosions();
}
