bool PreviewEdition()
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
int layerPlug = LayerMask.NameToLayer("Plug");
if (hit.collider.gameObject.layer == layerPlug)
{
if (previewedObject != null)
{
return(true);
}
Transform attachedElement = hit.collider.gameObject.transform.parent;
Transform plugPrefab = currentSelection.transform.GetChild(currentPlugIndex);
Transform plugged = hit.collider.transform;
Vector3 newElementPosition = plugged.position - plugPrefab.position;
Vector3 normalPlug = plugPrefab.forward;
Vector3 normalPlugged = plugged.forward;
Vector3 axisRotation = Vector3.Cross(normalPlug, normalPlugged);
if (Vector3.Cross(normalPlug, normalPlugged) == Vector3.zero)//if the forward vectors are in the same direction, any orthogonal axis is valid
{
/*if(normalPlug != Vector3.up && normalPlug != -Vector3.up)
* axisRotation = -Vector3.up;
* else
* axisRotation = -Vector3.left;*/
if (normalPlug.x != 0)
{
axisRotation = new Vector3(normalPlug.z / normalPlug.x, 0, 1);
}
else if (normalPlug.y != 0)
{
axisRotation = new Vector3(0, normalPlug.z / normalPlug.y, 1);
}
else//normalPlug.z has to be != 0
{
axisRotation = new Vector3(0, 1, normalPlug.y / normalPlug.z);
}
}
previewedObject = Instantiate(currentSelection, newElementPosition, Quaternion.identity);
SetObjectKinematic(previewedObject, true);
previewedObject.transform.RotateAround(plugged.position, axisRotation, -Vector3.Angle(-normalPlugged, normalPlug));
Transform plug = previewedObject.transform.GetChild(currentPlugIndex);
FixedJoint newJoint = plug.gameObject.AddComponent <FixedJoint>();
newJoint.connectedBody = hit.collider.attachedRigidbody;
return(true);
}
else
{
if (previewedObject != null)
{
if (!previewedObject.CanInstantiate())
{
return(false);
}
}
if (hit.collider.gameObject.name == "Terrain")
{
return(false);
}
return(true);
}
}
return(false);
}
