// Update is called once per frame
void Update()
{
if (Input.GetMouseButtonDown(0) || _has_just_fake_clicked)
{
Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
if (_has_just_fake_clicked)
{
mousePos = Camera.main.ScreenToWorldPoint(_fake_click_point);
}
mousePos.z = 0;
_numHits = Physics2D.RaycastNonAlloc(transform.position, mousePos - transform.position, _tongueHits, float.PositiveInfinity, 1 << LayerMask.NameToLayer("Geometry"));
if (_numHits > 0)
{
_swingPoints.Clear();
_swingPoints.Add(_tongueHits[0].point);
gameObject.GetComponent <Logger>().registerMouseCoordinates(_tongueHits[0].point); // log mouse coords
_updateTongue = true;
if (RopeInsteadOfSpring)
{
// Cancel most velocity in direction away from swing point
Vector2 forceDir = (_tongueHits[0].point - (Vector2)transform.position).normalized;
Rigidbody2D rb = GetComponent <Rigidbody2D>();
float forceMag = Vector2.Dot(rb.velocity, -forceDir);
rb.velocity += forceDir * forceMag;
}
}
}
else if ((Input.GetMouseButtonUp(0) || _has_just_fake_released) && _swingPoints.Count > 0)
{
_swingPoints.Clear();
_updateTongue = true;
}
// Check for collisions along tongue length
if (_swingPoints.Count > 0)
{
_numHits = Physics2D.LinecastNonAlloc(transform.position, _swingPoints.Last(), _tongueHits,
1 << LayerMask.NameToLayer("Geometry"));
if (_numHits > 0 && Vector2.Distance(_tongueHits[0].point, _swingPoints.Last()) > 0.1)
{
_swingPoints.Add(_tongueHits[0].point);
_updateTongue = true;
}
}
// Check if any (last) connections are now unnecessary.
if (_swingPoints.Count > 1)
{
_numHits = Physics2D.LinecastNonAlloc(transform.position, _swingPoints[_swingPoints.Count - 2], _tongueHits,
1 << LayerMask.NameToLayer("Geometry"));
if (_numHits == 0 || Vector2.Distance(_tongueHits[0].point, _swingPoints[_swingPoints.Count - 2]) < 0.1)
{
_swingPoints.Remove(_swingPoints.Last());
_updateTongue = true;
}
}
// Recalculate lines and joints if necessary.
if (_updateTongue)
{
tongue = null;
if (_swingPoints.Count > 0)
{
tongue = new Rope(transform.position, _swingPoints.Last(), TongueStrength);
}
}
// Decrease tongue length if the button is held down
if (tongue != null && (Input.GetMouseButton(0) || _is_fake_clicking) && _swingPoints.Count > 0)
{
if (tongue.length > MinTongueLength)
{
tongue.length -= TongueRetractSpeed * Time.deltaTime;
}
}
// Add force
if (tongue != null)
{
GetComponent <Rigidbody2D>().AddForce(tongue.Force(transform.position, _swingPoints.Last()));
}
// Draw lines
_lineRenderer.enabled = _swingPoints.Count > 0;
if (_updateTongue)
{
_lineRenderer.positionCount = _swingPoints.Count;
_lineRenderer.SetPositions(_swingPoints.ToArray());
_lineRenderer.positionCount += 1;
}
_lineRenderer.SetPosition(_lineRenderer.positionCount - 1, transform.position);
if (_updateTongue)
{
_updateTongue = false;
}
if (_received_input_last_frame)
{
_has_just_fake_clicked = false;
_has_just_fake_released = false;
_received_input_last_frame = false;
}
else if (_has_just_fake_clicked || _has_just_fake_released)
{
_received_input_last_frame = true;
}
}