static bool GetPlaneFromProGridsAxis(Vector2 mousePosition, out Plane plane)
{
if (!ProGridsInterface.ProGridsActive() || !ProGridsInterface.GridVisible())
{
plane = default(Plane);
return(false);
}
Vector3 point = SceneView.lastActiveSceneView.pivot;
Vector3 progridsPivot;
if (ProGridsInterface.GetPivot(out progridsPivot))
{
point = progridsPivot;
}
Vector3 normal = Vector3.up;
if (ProGridsInterface.IsFullGridEnabled())
{
var ray = HandleUtility.GUIPointToWorldRay(mousePosition);
Plane[] planes = new Plane[3]
{
new Plane(Vector3.right, point),
new Plane(Vector3.up, point),
new Plane(Vector3.forward, point)
};
float closestDistance = Mathf.Infinity;
Plane closestPlane = default(Plane);
for (int i = 0; i < planes.Length; ++i)
{
float distance;
if (planes[i].Raycast(ray, out distance))
{
if (distance < closestDistance)
{
closestDistance = distance;
closestPlane = planes[i];
}
}
}
plane = new Plane(closestPlane.normal, point);
}
else
{
var axis = ProGridsInterface.GetActiveGridAxis();
float offset = ProGridsInterface.GetActiveGridOffset();
switch (axis)
{
case HandleAxis.X:
point.x += offset;
normal = Vector3.right;
break;
case HandleAxis.Y:
point.y += offset;
normal = Vector3.up;
break;
case HandleAxis.Z:
point.z += offset;
normal = Vector3.forward;
break;
}
plane = new Plane(normal, point);
}
return(true);
}