void Update()
{
// Update the first contact point.
if (_contact1.IsValid)
{
_contact1 = TouchInput.GetContact(_contact1.ID);
}
else
{
_contact1 = TouchInput.GetContactExclude(_contact2.ID);
}
// Update the second contact point.
if (_contact2.IsValid)
{
_contact2 = TouchInput.GetContact(_contact2.ID);
}
else
{
_contact2 = TouchInput.GetContactExclude(_contact1.ID);
}
// Dual touch mode?
var dual = _contact1.IsValid && _contact2.IsValid;
// Calculate the centroid of the input points.
var input = Vector2.Lerp(
new Vector2(_contact1.X, _contact1.Y),
new Vector2(_contact2.X, _contact2.Y),
dual ? 0.5f : (_contact1.IsValid ? 0 : 1)
);
// Calculate the angle of the input points.
var angle = dual ? Mathf.Atan2(_contact2.Y - _contact1.Y, _contact2.X - _contact1.X) : 0;
// The total sum of the input force.
var force = (_contact1.Force + _contact2.Force) * (dual ? 1 : 2);
// Apply the input as Euler angles.
transform.rotation = Quaternion.Euler(new Vector3(
90 - input.y * 180, input.x * 180 - 90, angle * Mathf.Rad2Deg
));
// Apply the input to the renderer properties.
_renderer.LineCount = (int)(_originalCount * Mathf.Clamp01(force * 10));
_renderer.Length = _originalLength * (1 + 1 * Mathf.Clamp01(force * 10 - 2));
}
void Update()
{
if (_contact1.IsValid)
{
_contact1 = TouchInput.GetContact(_contact1.ID);
}
else
{
_contact1 = TouchInput.GetContactExclude(_contact2.ID);
}
if (_contact2.IsValid)
{
_contact2 = TouchInput.GetContact(_contact2.ID);
}
else
{
_contact2 = TouchInput.GetContactExclude(_contact1.ID);
}
var input = Vector2.Lerp(
new Vector2(_contact1.X, _contact1.Y),
new Vector2(_contact2.X, _contact2.Y),
_contact2.Force / (_contact1.Force + _contact2.Force + 0.00001f)
);
var tan = Mathf.Atan2(
_contact2.Y - _contact1.Y, _contact2.X - _contact1.X
);
transform.rotation = Quaternion.Euler(new Vector3(
90 - input.y * 180, input.x * 180 - 90, tan * Mathf.Rad2Deg
));
var force = _contact1.Force + _contact2.Force;
_renderer.Throttle = Mathf.Clamp01(force * 10);
_renderer.LengthAmplitude = 1 + 2 * Mathf.Clamp01(force * 10 - 2);
}