void InteractivityChanged()
{
if (interactivityEnabled)
{
explodeSymmetrical = false;
}
for (int i = 0; i < slices.Count; i++)
{
WMG_Pie_Graph_Slice pieSlice = slices[i].GetComponent <WMG_Pie_Graph_Slice>();
WMG_Raycatcher pieSliceRaycatcher = pieSlice.objectToColor.GetComponent <WMG_Raycatcher>();
if (pieSliceRaycatcher != null && !interactivityEnabled)
{
Destroy(pieSliceRaycatcher);
}
if (pieSliceRaycatcher == null && interactivityEnabled)
{
pieSlice.objectToColor.AddComponent <WMG_Raycatcher>();
}
if (interactivityEnabled)
{
setAsNotInteractible(pieSlice.objectToLabel);
}
}
Canvas canvas = null;
getFirstCanvasOnSelfOrParent(this.transform, ref canvas);
if (!canvas)
{
Debug.LogError("No Canvas found for Pie Graph");
return;
}
WMG_Raycaster canvasRaycaster = canvas.GetComponent <WMG_Raycaster>();
if (canvasRaycaster == null)
{
if (interactivityEnabled)
{
canvas.gameObject.AddComponent <WMG_Raycaster>();
}
}
else
{
if (!interactivityEnabled)
{
DestroyImmediate(canvasRaycaster);
addRaycaster(canvas.gameObject);
}
}
}
public override void Raycast(PointerEventData eventData, List <RaycastResult> resultAppendList)
{
base.Raycast(eventData, resultAppendList);
exclusions.Clear();
foreach (RaycastResult result in resultAppendList)
{
Image objImage = result.gameObject.GetComponent <Image>();
if (objImage == null)
{
continue;
}
WMG_Raycatcher objAlphaCheck = result.gameObject.GetComponent <WMG_Raycatcher>();
if (objAlphaCheck == null)
{
continue;
}
try
{
RectTransform objTrans = result.gameObject.transform as RectTransform;
// evaluating pointer position relative to object local space
Vector3 pointerGPos;
if (eventCamera)
{
var objPlane = new Plane(objTrans.forward, objTrans.position);
float distance;
var cameraRay = eventCamera.ScreenPointToRay(eventData.position);
objPlane.Raycast(cameraRay, out distance);
pointerGPos = cameraRay.GetPoint(distance);
}
else
{
pointerGPos = eventData.position;
float rotationCorrection = (-objTrans.forward.x * (pointerGPos.x - objTrans.position.x) - objTrans.forward.y * (pointerGPos.y - objTrans.position.y)) / objTrans.forward.z;
pointerGPos += new Vector3(0, 0, objTrans.position.z + rotationCorrection);
}
Vector3 pointerLPos = objTrans.InverseTransformPoint(pointerGPos);
var objTex = objImage.mainTexture as Texture2D;
var texRect = objImage.sprite.textureRect;
float texCorX = pointerLPos.x * (texRect.width / objTrans.sizeDelta.x) + texRect.width * objTrans.pivot.x;
float texCorY = pointerLPos.y * (texRect.height / objTrans.sizeDelta.y) + texRect.height * objTrans.pivot.y;
float alpha = objTex.GetPixel((int)(texCorX + texRect.x), (int)(texCorY + texRect.y)).a;
if (objImage.type == Image.Type.Filled)
{
float angle = Mathf.Atan2(texCorY / texRect.height - 0.5f, texCorX / texRect.width - 0.5f) * Mathf.Rad2Deg;
if (angle < 0)
{
angle += 360;
}
bool masked = true;
if (objImage.fillMethod == Image.FillMethod.Radial360)
{
float angleFill = objImage.fillAmount * 360;
if (objImage.fillOrigin == (int)Image.Origin360.Top)
{
angle -= 90;
}
else if (objImage.fillOrigin == (int)Image.Origin360.Left)
{
angle -= 180;
}
else if (objImage.fillOrigin == (int)Image.Origin360.Bottom)
{
angle -= 270;
}
if (angle < 0)
{
angle += 360;
}
if (objImage.fillClockwise)
{
if (angle > -angleFill + 360)
{
masked = false;
}
}
else
{
if (angle < angleFill)
{
masked = false;
}
}
}
if (masked)
{
alpha = 0;
}
}
// exclude based on alpha
if (objAlphaCheck.IncludeMaterialAlpha)
{
alpha *= objImage.color.a;
}
if (alpha < AlphaThreshold)
{
exclusions.Add(result);
}
}
catch (UnityException e)
{
if (Application.isEditor)
{
Debug.LogWarning(string.Format("Alpha check failed: {0}", e.Message));
}
};
}
resultAppendList.RemoveAll(res => exclusions.Contains(res));
}