public override void ExclusiveUpdate()
{
if (Human.HasChute())
{
entity.ModifyLinearDamping(0.8f);
}
if (Human.HasJetpack())
{
if (Human.JPBoost)
{
if (!Human.ConsumeFuel(Delta * 3.5)) // TODO: Custom fuel consumption per-item!
{
return;
}
double max;
double boost = Human.JetpackBoostRate(out max);
double glen;
Vector3 move = GetMoveVector(out glen);
Vector3 vec = -(move * (double)boost) * Delta;
Human.CBody.Jump();
Entity.ApplyLinearImpulse(ref vec);
if (Entity.LinearVelocity.LengthSquared() > max * max)
{
Vector3 vel = entity.LinearVelocity;
vel.Normalize();
Entity.LinearVelocity = vel * max;
}
}
else if (Human.JPHover)
{
if (!Human.ConsumeFuel(Delta)) // TODO: Custom fuel consumption per-item!
{
return;
}
double hover = Human.JetpackHoverStrength();
double glen;
Vector3 move = GetMoveVector(out glen);
Vector3 vec = -(move * (double)glen * (double)hover) * Delta;
Entity.ApplyLinearImpulse(ref vec);
entity.ModifyLinearDamping(0.6f);
}
}
}
public override void ExclusiveUpdate()
{
if (Helicopter.DriverSeat.Sitter == null)
{
return; // Don't fly when there's nobody driving this!
}
// Collect the helicopter's relative "up" vector
Vector3 up = Quaternion.Transform(Vector3.UnitZ, Entity.Orientation);
// Apply the amount of force necessary to counteract downward force, within a limit.
// POTENTIAL: Adjust according to orientation?
double uspeed = Math.Min(Helicopter.LiftStrength, -(Entity.LinearVelocity.Z + Entity.Space.ForceUpdater.Gravity.Z) * Entity.Mass);
if (uspeed < 0f)
{
uspeed += (uspeed - Helicopter.FallStrength) * Helicopter.SprintOrWalk;
}
else
{
uspeed += (Helicopter.LiftStrength - uspeed) * Helicopter.SprintOrWalk;
}
Vector3 upvel = up * uspeed * Delta;
Entity.ApplyLinearImpulse(ref upvel);
// Rotate slightly to move in a direction.
// At the same time, fight against existing rotation.
Vector3 VecUp = new Vector3(Helicopter.RightLeft * 0.2f * Helicopter.TiltMod, Helicopter.ForwBack * -0.2f * Helicopter.TiltMod, 1);
// TODO: Simplify yawrel calculation.
double tyaw = (double)(Utilities.MatrixToAngles(Matrix.CreateFromQuaternion(Entity.Orientation)).Z *Utilities.PI180);
Quaternion yawrel = Quaternion.CreateFromAxisAngle(Vector3.UnitZ, tyaw);
VecUp = Quaternion.Transform(VecUp, yawrel);
VecUp.Y = -VecUp.Y;
VecUp.Normalize();
Vector3 axis = Vector3.Cross(VecUp, up);
double len = axis.Length();
if (len > 0)
{
axis /= len;
double angle = (double)Math.Asin(len);
if (!double.IsNaN(angle))
{
double avel = Vector3.Dot(Entity.AngularVelocity, axis);
Vector3 torque = axis * ((-angle) - 0.3f * avel);
torque *= Entity.Mass * Delta * 30;
Entity.ApplyAngularImpulse(ref torque);
}
}
// Spin in place
double rotation = (Helicopter.IRight ? -1f : 0f) + (Helicopter.ILeft ? 1f : 0f);
if (rotation * rotation > 0f)
{
Vector3 rot = new Vector3(0, 0, rotation * 15f * Delta * Entity.Mass);
Entity.ApplyAngularImpulse(ref rot);
}
// Apply air drag
Entity.ModifyLinearDamping(0.3f); // TODO: arbitrary constant
Entity.ModifyAngularDamping(0.6f); // TODO: arbitrary constant
// Ensure we're active if flying!
Entity.ActivityInformation.Activate();
}