private void CounterSlopes(Vector3 groundNormal)
{
Vector3 carForward = transform.right;
Vector3 gravity = Physics.gravity;
Vector3 directionOfFlat = Vector3.Cross(-gravity, groundNormal).normalized; //the direction that if you head in you wouldnt change altitude
Vector3 directionOfSlope = Vector3.Cross(directionOfFlat, groundNormal); //the direction down the slope
float affectOfGravity = Vector3.Dot(gravity, directionOfSlope); // returns 1 on a cliff face, 0 on a plane
float affectOfWheelAlignment = Mathf.Abs(Vector3.Dot(carForward, directionOfSlope)); // returns 1 if facing down or up the slope, 0 if 90 degrees to slope
PhysicsSphere.AddForce(-directionOfSlope * affectOfWheelAlignment * affectOfGravity, ForceMode.Acceleration);
}
private void FixedUpdate()
{
RaycastHit hitOn;
RaycastHit hitNear;
OnGround = Physics.Raycast(transform.position, Vector3.down, out hitOn, rayMaxDistance);
NearGround = Physics.Raycast(transform.position, Vector3.down, out hitNear, rayMaxDistance + 0.8f);
VehicleModel.up = Vector3.Lerp(VehicleModel.up, hitNear.normal, Time.deltaTime * 8.0f);
VehicleModel.Rotate(0, transform.eulerAngles.y, 0);
if (NearGround)
{
PhysicsSphere.AddForce(transform.forward * speedTarget, ForceMode.Acceleration);
PhysicsSphere.AddForce(transform.right * strafeTarget, ForceMode.Acceleration);
}
else
{
PhysicsSphere.AddForce(transform.forward * (speedTarget / 10), ForceMode.Acceleration);
PhysicsSphere.AddForce(Vector3.down * Gravity, ForceMode.Acceleration);
}
Vector3 localVelocity = transform.InverseTransformVector(physicsSphere.velocity);
localVelocity.x *= 0.9f + (Drift / 10);
if (NearGround)
{
PhysicsSphere.velocity = transform.TransformVector(localVelocity);
}
if (StopSlopeSlide)
{
CounterSlopes(hitNear.normal);
}
}