private void ProcessRotation(PBaseCharacter tank)
{
var positionDelta = tank.transform.position - st.Unit.transform.position;
int rotationDirection = PMathUtil.CalcRotationRadDirection(
st.Unit.Rotation2DRad(),
Mathf.Atan2(positionDelta.y, positionDelta.x),
1f.AngleToRad()
);
st.Unit.Rigidbody2D.angularVelocity = rotationDirection * st.Unit.RotationSpeed;
}
private void ProcessForward(PBaseCharacter tank)
{
var movementDeltaPerSec = PMathUtil.PolarToDecart(st.Unit.MovementSpeed, st.Unit.Rotation2DRad());
Vector3 movementDelta = movementDeltaPerSec * Time.fixedDeltaTime;
var positionDelta = st.Unit.transform.position - tank.transform.position;
float dist = positionDelta.sqrMagnitude;
float distIfForward = (positionDelta + movementDelta).sqrMagnitude;
float distIfBackward = (positionDelta - movementDelta).sqrMagnitude;
if (dist < distIfForward && dist < distIfBackward)
{
st.Unit.Rigidbody2D.velocity = Vector2.zero;
}
else
{
st.Unit.Rigidbody2D.velocity = distIfForward < distIfBackward ? movementDeltaPerSec : -movementDeltaPerSec;
}
}
