void Rocket::TestForImpact()
{
//if the projectile has reached the target position or it hits an entity
//or wall it should explode/inflict damage/whatever and then mark itself
//as dead
//test to see if the line segment connecting the rocket's current position
//and previous position intersects with any bots.
Raven_Bot* hit = GetClosestIntersectingBot(m_vPosition - m_vVelocity, m_vPosition);
//if hit
if (hit)
{
m_bImpacted = true;
//send a message to the bot to let it know it's been hit, and who the
//shot came from
Dispatcher->DispatchMsg(SEND_MSG_IMMEDIATELY,
m_iShooterID,
hit->ID(),
Msg_TakeThatMF,
(void*)&m_iDamageInflicted);
//test for bots within the blast radius and inflict damage
InflictDamageOnBotsWithinBlastRadius();
}
//test for impact with a wall
double dist;
if( FindClosestPointOfIntersectionWithWalls(m_vPosition - m_vVelocity,
m_vPosition,
dist,
m_vImpactPoint,
m_pWorld->GetMap()->GetWalls()))
{
m_bImpacted = true;
//test for bots within the blast radius and inflict damage
InflictDamageOnBotsWithinBlastRadius();
m_vPosition = m_vImpactPoint;
return;
}
//test to see if rocket has reached target position. If so, test for
//all bots in vicinity
const double tolerance = 5.0;
if (Vec2DDistanceSq(Pos(), m_vTarget) < tolerance*tolerance)
{
m_bImpacted = true;
InflictDamageOnBotsWithinBlastRadius();
}
}
//------------------------------ Update ---------------------------------------
//-----------------------------------------------------------------------------
void Bolt::Update()
{
if (!m_bImpacted)
{
m_vVelocity = MaxSpeed() * Heading();
//make sure vehicle does not exceed maximum velocity
m_vVelocity.Truncate(m_dMaxSpeed);
//update the position
m_vPosition += m_vVelocity;
//if the projectile has reached the target position or it hits an entity
//or wall it should explode/inflict damage/whatever and then mark itself
//as dead
//test to see if the line segment connecting the bolt's current position
//and previous position intersects with any bots.
Raven_Bot* hit = GetClosestIntersectingBot(m_vPosition - m_vVelocity,
m_vPosition);
//if hit
if (hit)
{
m_bImpacted = true;
m_bDead = true;
//send a message to the bot to let it know it's been hit, and who the
//shot came from
Dispatcher->DispatchMsg(SEND_MSG_IMMEDIATELY,
m_iShooterID,
hit->ID(),
Msg_TakeThatMF,
(void*)&m_iDamageInflicted);
}
//test for impact with a wall
double dist;
if( FindClosestPointOfIntersectionWithWalls(m_vPosition - m_vVelocity,
m_vPosition,
dist,
m_vImpactPoint,
m_pWorld->GetMap()->GetWalls()))
{
m_bDead = true;
m_bImpacted = true;
m_vPosition = m_vImpactPoint;
return;
}
}
}
//----------------------------------- TestForImpact ---------------------------
void Pellet::TestForImpact()
{
//a shot gun shell is an instantaneous projectile so it only gets the chance
//to update once
m_bImpacted = true;
//first find the closest wall that this ray intersects with. Then we
//can test against all entities within this range.
double DistToClosestImpact;
FindClosestPointOfIntersectionWithWalls(m_vOrigin,
m_vPosition,
DistToClosestImpact,
m_vImpactPoint,
m_pWorld->GetMap()->GetWalls());
//test to see if the ray between the current position of the shell and
//the start position intersects with any bots.
Raven_Bot* hit = GetClosestIntersectingBot(m_vOrigin, m_vPosition);
//if no bots hit just return;
if (!hit) return;
//determine the impact point with the bot's bounding circle so that the
//shell can be rendered properly
GetLineSegmentCircleClosestIntersectionPoint(m_vOrigin,
m_vImpactPoint,
hit->Pos(),
hit->BRadius(),
m_vImpactPoint);
//send a message to the bot to let it know it's been hit, and who the
//shot came from
Dispatcher->DispatchMsg(SEND_MSG_IMMEDIATELY,
m_iShooterID,
hit->ID(),
Msg_TakeThatMF,
(void*)&m_iDamageInflicted);
}
