private void OnCollect(Garbage garbage)
{
SceneSystem.SceneInstance.RootScene.Entities.Remove(garbage.Entity);
Team.OnGarbageCollected(garbage);
CollectEffect.ParticleSystem.Play();
CollectEffect.ParticleSystem.ResetSimulation();
}
internal void OnGarbageCollected(Garbage garbage)
{
Points++;
}
public void UpdateGrab()
{
float closestDistanceSquared = float.MaxValue;
Vector3 closestDelta = Vector3.Zero;
Garbage closest = null;
foreach (var collision in Rigidbody.Collisions)
{
var a = collision.ColliderA;
var b = collision.ColliderB;
if (b == Rigidbody)
{
Utilities.Swap(ref a, ref b);
}
var garbage = b.Entity.Get <Garbage>();
if (garbage == null)
{
continue;
}
if (!SelectTarget(garbage))
{
continue;
}
Vector3 d = b.Entity.Transform.WorldMatrix.TranslationVector -
Entity.Transform.WorldMatrix.TranslationVector;
float l = d.LengthSquared();
if (l < closestDistanceSquared)
{
closestDistanceSquared = l;
closestDelta = d;
closest = garbage;
}
}
if (closest != null)
{
float l = closestDelta.Length();
float r = l / PullFarFalloffRadius;
r = MathUtil.Clamp(r, 0, 1);
closestDelta.Z = 0.0f;
Vector3 direction = -Vector3.Normalize(closestDelta);
Vector3 newVelocity = closest.Rigidbody.LinearVelocity;
float currentSpeed = Vector3.Dot(direction, newVelocity);
float pullStrength = 1 - r;
float addSpeed = pullStrength * PullStrengthMultiplier *
(float)Game.UpdateTime.Elapsed.TotalSeconds;
if (currentSpeed < MaxSpeed)
{
newVelocity += direction * addSpeed;
}
float length = newVelocity.Length();
if (length > 0)
{
float brakeStrength = r / BrakeRatio;
brakeStrength = MathUtil.Clamp(brakeStrength, 0, 1);
brakeStrength = 1 - brakeStrength;
if (brakeStrength > 0)
{
length -= brakeStrength * BrakeStrengthMultiplier * (float)Game.UpdateTime.Elapsed.TotalSeconds;
if (length < 0)
{
length = 0;
}
newVelocity.Normalize();
newVelocity *= length;
}
}
closest.Rigidbody.LinearVelocity = newVelocity;
}
LastPullTarget = closest;
}
protected virtual bool SelectTarget(Garbage garbage)
{
return(true);
}