public void ShootLaser(SimpleRay2D ray, PlayerPawn owner)
{
List <PlayerPawn> playersHit = CastRay(ray);
Network.Log("Laser hits " + playersHit.Count + " players.");
float laserPower = owner.GetLaserDamage();
float powerAccumulator = 0.0f;
for (int i = 0; i < playersHit.Count; ++i)
{
if (playersHit[i] == owner)
{
continue;
}
powerAccumulator += playersHit[i].ReceiveDamage(laserPower);
}
owner.AddPower(powerAccumulator);
ShotEvent se = new ShotEvent();
se.m_direction = ray.direction;
se.m_point = owner.Position;
se.m_who = owner.Id;
se.m_reliableEventId = Network.Server.GetNewReliableEventId();
foreach (int id in m_players.Keys)
{
Network.Server.Send(se, id, true);
}
}
public void ShootAtDirection(Vector2 direction)
{
Network.Log("Player " + Id + " shot at direction " + direction);
SimpleRay2D ray = new SimpleRay2D();
ray.origin = m_position;
ray.direction = direction;
ray.length = m_laserLength;
world.ShootLaser(ray, this);
}
List <PlayerPawn> CastRay(SimpleRay2D ray)
{
List <PlayerPawn> result = new List <PlayerPawn>();
foreach (var kvp in m_players)
{
if (kvp.Value != null)
{
if (kvp.Value.Intersects(ray))
{
result.Add(kvp.Value);
}
}
}
return(result);
}
public bool Intersects(SimpleRay2D ray)
{
Vector2 L = m_position - ray.origin;
float tca = Vector2.Dot(L, ray.direction);
if (tca < 0)
{
return(false);
}
float d2 = Vector2.Dot(L, L) - tca * tca;
if (d2 > Radius * Radius)
{
return(false);
}
float thc = Radius - Mathf.Sqrt(d2);
float t0 = tca - thc;
float t1 = tca + thc;
if (t0 > t1)
{
if (t0 > ray.length)
{
return(false);
}
}
else
{
if (t1 > ray.length)
{
return(false);
}
}
return(true);
}
