/// <summary>
/// Record a reference to the Culling Group Behaviour so this Culling Group can have proper callbacks to the User-Defined script
/// </summary>
/// <param name="index">Index of Bounding Sphere in this Culling Group's Bounding Sphere Array</param>
/// <param name="comp">Culling Group Behaviour linked to this Bounding Sphere</param>
public void AddComponentRef(int index, CullingGroupBehavior comp)
{
cullGroupBehaveDict.Add(index, comp);
}
void OnSceneGUI()
{
CullingGroupBehavior selfScript = (CullingGroupBehavior)target;
//don't allow editing of radius while in Play mode
if (Application.isPlaying)
{
return;
}
//for resetting Handle color to what it was originally
Color originalColor = Handles.color;
Handles.color = drawColor;
//switch case handles drawing Handles at all
//intersections of the disks that are drawn by the Gizmo
//in the Monobehavior
Vector3 posFromCenter = Vector3.zero;
Vector3 vecDirec = Vector3.zero;
for (int i = 0; i < 6; ++i)
{
switch (i)
{
case 0:
vecDirec = Vector3.up;
break;
case 1:
vecDirec = Vector3.down;
break;
case 2:
vecDirec = Vector3.right;
break;
case 3:
vecDirec = Vector3.left;
break;
case 4:
vecDirec = Vector3.forward;
break;
case 5:
vecDirec = Vector3.back;
break;
}
//DRAW HANDLE
posFromCenter = Handles.Slider(selfScript.transform.position + (vecDirec * selfScript.boundingSphereRad), //position
vecDirec, //direction
HandleUtility.GetHandleSize(selfScript.transform.position) * 0.1f, //handle size
Handles.CubeCap, //handle shape
0.0f //snap amount
);
float calcDist = Vector3.Distance(selfScript.transform.position, posFromCenter);
//if radius was changed via Handle, record this frame in the Undo Stack
//then apply the change
if (calcDist != selfScript.boundingSphereRad)
{
Undo.RecordObject(selfScript, "CullingGroupBehavior_ModifyRadius");
selfScript.boundingSphereRad = calcDist;
EditorUtility.SetDirty(target);//needs to be called so Undo Stack knows something was changed
}
}
Handles.color = originalColor;
}