void CalculateHover()
{
//Holds the normal of the ground
Vector3 groundNormal;
Ray ray = new Ray(transform.position, -transform.up);
RaycastHit hitInfo;
isOnGround = Physics.Raycast(ray, out hitInfo, groundDist, groundCheck);
if (isOnGround)
{
//determine how high off the ground is
float height = hitInfo.distance;
//saves the normal of the ground
groundNormal = hitInfo.normal.normalized;
//use the PID settings to determine the required hover force
float forcePercent = hoverPID.Seek(hoverHeight, height);
//Calculates the total amount of hoverForce needed based on the grounds normal
Vector3 force = groundNormal * hoverForce * forcePercent;
//Calculate the force and direction of gravity.
Vector3 gravity = -groundNormal * hoverForce * height;
//Applies the hover and gravity forces
rigidbody.AddForce(force, ForceMode.Acceleration);
rigidbody.AddForce(gravity, ForceMode.Acceleration);
}
else
{
//If the player is not on the ground. Set normal to up. This prevents the player
//from tipping over.
groundNormal = Vector3.up;
//Change the gravity applied to falling gravity.
Vector3 gravity = -groundNormal * inAirGrav;
rigidbody.AddForce(gravity, ForceMode.Acceleration);
}
//Calculate the pitch and roll of the player to match the orientetion of the ground.
//This method uses projection.
Vector3 projection = Vector3.ProjectOnPlane(transform.forward, groundNormal);
Quaternion rotation = Quaternion.LookRotation(projection, groundNormal);
//Move the ship to match the rotation of the ground. Uses lerp for smoothness.
rigidbody.MoveRotation(Quaternion.Lerp(rigidbody.rotation, rotation, Time.deltaTime * 10f));
//Cosmetic rotation. Makes the player mesh to bank based on the rotation it is allready in.
float angle = rollAngle * -input.rudder;
Quaternion bodyRotation = transform.rotation * Quaternion.Euler(0f, 0f, angle);
shipBody.rotation = Quaternion.Lerp(shipBody.rotation, bodyRotation, Time.deltaTime * 10f);
}
