public void Update(GameTime gameTime)
{
//determine max vel according to environment.
float maxVelToUse = maxVelocitySpace;
if (InOrbit)
{
maxVelToUse = maxVelocityOrbit;
}
if (InAtmosphere)
{
maxVelToUse = maxVelocityAtmoshpere;
Vector3 realWorldPos = SolarSystem.GetRenderPosition(HighPrecisionPositionComponent.Position, CurrentPlanet.Position.Position);
realWorldPos.Normalize();
float downAngle = Vector3.Dot(Transform.AbsoluteTransform.Forward, realWorldPos);
//increase max velocity as the nose points down, and vice versa.
float velAdjustForGravity = MonoMathHelper.MapFloatRange(0, 2, 0.5f, 2f, downAngle + 1);
maxVelToUse *= velAdjustForGravity;
}
if (desiredMainThrust > currentMainThrust)
{
currentMainThrust = MathHelper.Lerp(currentMainThrust, desiredMainThrust, mainThrustUpSpeed);
}
else
{
currentMainThrust = MathHelper.Lerp(currentMainThrust, desiredMainThrust, mainThrustDownSpeed);
}
if (desiredSuperThrust > currentSuperThrust)
{
currentSuperThrust = MathHelper.Lerp(currentSuperThrust, desiredSuperThrust, mainThrustUpSpeed);
}
else
{
currentSuperThrust = MathHelper.Lerp(currentSuperThrust, desiredSuperThrust, mainThrustDownSpeed);
}
rollThrust = MathHelper.Lerp(rollThrust, desiredRollThrust, otherThrustAlterationSpeed * 2);
pitchThrust = MathHelper.Lerp(pitchThrust, desiredPitchThrust, otherThrustAlterationSpeed);
yawThrust = MathHelper.Lerp(yawThrust, desiredYawThrust, otherThrustAlterationSpeed);
if (currentMainThrust > 0)
{
Vector3 velChange = (maxVelToUse * currentMainThrust * Transform.AbsoluteTransform.Forward) / mass;
velChange *= (100 - (mainThrustBleed * 100));
velocity += velChange;
}
velocity += lateralThrust;
if (velocity.Length() > maxVelToUse)
{
float overShootVel = velocity.Length() - maxVelToUse;
Vector3 adjustment = -Vector3.Normalize(velocity) * (overShootVel / 20f);
velocity += adjustment;
}
if (currentSuperThrust > 0)
{
velocity += (currentSuperThrust) * superThrustVelocity * Transform.AbsoluteTransform.Forward;
}
movementAppliedLastFrame = velocity * (float)gameTime.ElapsedGameTime.TotalSeconds;
Transform.HighPrecisionTranslate(movementAppliedLastFrame);
if (rollThrust != 0)
{
Transform.Rotate(Transform.AbsoluteTransform.Forward,
rollThrust * (float)gameTime.ElapsedGameTime.TotalSeconds * 100);
}
if (pitchThrust != 0)
{
Transform.Rotate(Transform.AbsoluteTransform.Left,
pitchThrust * (float)gameTime.ElapsedGameTime.TotalSeconds * 100);
}
if (yawThrust != 0)
{
Transform.Rotate(Transform.AbsoluteTransform.Up,
yawThrust * (float)gameTime.ElapsedGameTime.TotalSeconds * 100);
}
HandleCollision();
SolarSystem.AdjustObjectsForRendering(HighPrecisionPositionComponent.Position);
velocity *= mainThrustBleed;
lateralThrust *= lateralThrustBleed;
desiredRollThrust *= orientationThrustBleed;
desiredPitchThrust *= orientationThrustBleed;
desiredYawThrust *= orientationThrustBleed;
pitchThrust *= orientationThrustBleed;
yawThrust *= orientationThrustBleed;
rollThrust *= orientationThrustBleed;
if (!LookMode)
{
shipCameraObject.Transform.AbsoluteTransform = Transform.AbsoluteTransform;
}
}