// Update the slider's position based on the mouse.
void UpdateDrag(PointerEventData eventData, Camera cam)
{
RectTransform clickRect = m_HandleContainerRect;
if (clickRect != null && clickRect.rect.size[0] > 0)
{
Vector2 localCursor;
if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(clickRect, eventData.position, cam, out localCursor))
{
return;
}
//localCursor -= clickRect.rect.position;
float val = Mathf.Clamp01(Mathf.Rad2Deg * (Mathf.Atan2(localCursor.x, localCursor.y) - m_Offset + (Mathf.PI)) / 360f);
val = (reverseValue ? 1f - val : val);
prevNormalizedValue = normalizedValue;
//Loop Around
if (prevNormalizedValue > 0.8f && val < 0.2f)
{
wholeRotationValue += valuePerRotation;
}
if (prevNormalizedValue < 0.2f && val > 0.8f)
{
wholeRotationValue -= valuePerRotation;
}
//Apply Max/Min Constraint
float testval = (wholeRotationValue + (val * valuePerRotation));
if (testval > maxValue)
{
normalizedValue = ((maxValue - wholeRotationValue) / valuePerRotation);
if (!endHit)
{
m_EndHit.Invoke(m_Value);
endHit = true;
}
}
else if (testval < minValue)
{
normalizedValue = ((minValue - wholeRotationValue) / valuePerRotation);
if (!endHit)
{
m_EndHit.Invoke(m_Value);
endHit = true;
}
}
else
{
endHit = false;
normalizedValue = val;
}
//Set the main Value
Set((wholeRotationValue + (normalizedValue * valuePerRotation)));
//Show the world
UpdateVisuals();
}
}
public override void FocusUpdate(Selector cursor)
{
if (isSelected)
{
Quaternion currentRotation = transform.localRotation;
float dialValue = 0;
Vector3 currentPoint = transform.InverseTransformPoint(cursor.Cursor.localPosition);
currentPoint.z = 0;
Quaternion deltaRotation = Quaternion.FromToRotation(interactPoint, currentPoint);
currentRotation *= deltaRotation;
transform.localRotation = currentRotation;
// get dialValue
Vector3 controlNorm = transform.localRotation * Vector3.up;
controlNorm.Normalize();
float angle = Vector3.Dot(controlNorm, Vector3.up);
angle = Mathf.Acos(angle);
angle *= Mathf.Rad2Deg;
if (Vector3.Dot(controlNorm, Vector3.right) > 0f)
{
angle = 360f - angle;
}
dialValue = angle;
print(angle);
degrees.Invoke(dialValue);
}
}
protected virtual void Set(float input, bool sendCallback)
{
// Clamp the input
float newValue = ClampValue(input);
// If the stepped value doesn't match the last one, it's time to update
if (m_Value == newValue)
{
return;
}
m_Value = newValue;
UpdateVisuals();
if (sendCallback)
{
m_OnValueChanged.Invoke(newValue);
}
}
// The selector calls FocusUpdate every Update that a vodget has its focus.
public override void FocusUpdate(Selector selector)
{
if (!isGrabbing)
{
return;
}
Vector3 currCursor = transform.InverseTransformPoint(selector.Cursor.localPosition);
currCursor.z = 0;
// degrees = radians * 180 / pi; // for later if I need it.
Quaternion deltaRot = Quaternion.FromToRotation(StoredVector, currCursor); // sin() of theta over 2
transform.localRotation = transform.localRotation * deltaRot;
// Vector3 tempVec3ParentSpace = transform.localRotation * gameObject.GetComponentInParent<Transform>().up;
float Radians = Mathf.Acos(Vector3.Dot(ParentVector, transform.up));
float degrees = Radians * 180 / Mathf.PI;
if (Vector3.Dot(this.transform.parent.transform.right, transform.up) > 0)
{
degrees = 360 - degrees;
}
float ratio = degrees / 360.0f;
dial_changed.Invoke(degrees);
// Convert the controllers current position into the local frame, calculate the change in rotation
// about the knobs spin axis and apply the offset to transform.localRotatoin to rotate the dial.
// Compute the dial "notch" value visible at the top of the knob from 0f to 360f as it rotates
// away from the zero mark visible at the top of the backplate.
// Invoke the dial changed event with the dial value that you created as a class variable.
// Note: If you don't see your value printed in the console you need to make certain that you have
// Added and properly configured an EventValuePrinter component as demonstrated with the Slider homework.
}
private void Start()
{
spin_dir.Normalize();
notch_dir.Normalize();
dial_changed.Invoke(ComputeAngle());
}