// Detects input from the developer within the scene view
void SceneInput()
{
Event currentEvent = Event.current;
// Create a new road section
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0 && currentEvent.shift)
{
Undo.RecordObject(selectedRoad, "Create Road Section");
selectedRoad.CreateRoadSection(HandleUtility.GUIPointToWorldRay(currentEvent.mousePosition), selectedNode, selectedRoad.RoadWidth * .5f);
GenerateMesh();
}
// Create a new road section
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0 && currentEvent.control)
{
selectedRoad = network.CreateNewRoad(defaultMaterial);
Undo.RecordObject(network, "Create new road");
GenerateMesh();
}
// Delete an anchor, removing a road section
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 1)
{
Undo.RecordObject(network, "Remove Road Section");
selectedRoad.RemoveRoadSection(HandleUtility.GUIPointToWorldRay(currentEvent.mousePosition), anchorNodeSize * .5f, controlNodeSize * .5f);
GenerateMesh();
}
// Select/deselect an anchor node
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0)
{
// Attempt to select a node and assign it to newSelectedNode
int newSelectedNode = selectedRoad.SelectNode(HandleUtility.GUIPointToWorldRay(currentEvent.mousePosition), anchorNodeSize * .5f, controlNodeSize * .5f);
// If there was a node selected and now there isn't, deselect the node
if (selectedNode != -1 && newSelectedNode == -1)
{
Undo.RecordObject(selectedRoad, "Deselect Anchor Node");
selectedNode = -1;
}
// If a node has been selected other than itself, select the node
if (selectedNode != newSelectedNode && newSelectedNode != -1)
{
GUIUtility.hotControl = GUIUtility.GetControlID(FocusType.Passive); // Stops the road network object losing focus when the mouse is left-clicked
Undo.RecordObject(selectedRoad, "Select Anchor Node");
selectedNode = newSelectedNode;
currentEvent.Use();
}
}
// Delete the selected road when pressing DEL
if (currentEvent.type == EventType.KeyDown && currentEvent.keyCode == KeyCode.Delete)
{
DeleteRoad();
currentEvent.Use();
}
}
