/// <summary>
/// Simplify the drawn line and assign it to the road editor.
/// </summary>
private void finalizeLine()
{
MeshRoad road = (MeshRoad)target;
List <Vector3> simplifiedLine = LineSmoother.biasedMovingAverages(roadLinePoints, road.averageWindow);
road.setRoadLinePoints(simplifiedLine);
roadLinePoints.Clear(); // No need to keep this data twice
road.debugRoadLine();
}
/// <summary>
/// Create a new cross section.
/// </summary>
/// <param name="center">Center point of this cross section.</param>
/// <param name="direction">Direction this cross section is facing.</param>
/// <param name="parent">Road to which this cross section belongs.</param>
public MeshRoadCrossSection(Vector3 center, Vector3 direction, MeshRoad parent)
{
float halfWidth = parent.width / 2;
float halfHeight = parent.thickness / 2;
Vector3 perpendicular = Vector3.Cross(direction, parent.gameObject.transform.up).normalized;
Vector3 upwardsPerpendicular = Vector3.Cross(perpendicular, direction).normalized;
Vector3 left = center + (perpendicular * halfWidth);
topLeft = left + (upwardsPerpendicular * halfHeight);
bottomLeft = left - (upwardsPerpendicular * halfHeight);
Vector3 right = center - (perpendicular * halfWidth);
topRight = right + (upwardsPerpendicular * halfHeight);
bottomRight = right - (upwardsPerpendicular * halfHeight);
}
/// <summary>
/// Draw custom inspector.
/// </summary>
public override void OnInspectorGUI()
{
DrawDefaultInspector();
MeshRoad road = (MeshRoad)target;
// Target layer dropdown
targetLayer = EditorGUILayout.Popup("Target Layer", targetLayer, getLayerNames());
// Add features to draw road
drawingEnabled = EditorGUILayout.Toggle("Enable Drawing", drawingEnabled);
// Add button to generate road
if (GUILayout.Button("Generate Road"))
{
road.generate();
}
// Add button to fit associated terrains to this road
if (GUILayout.Button("Fit Terrains"))
{
road.fitTerrains();
}
// Add button to clear road
if (GUILayout.Button("Clear Road"))
{
road.clear();
}
// Add debug buttons
if (GUILayout.Button("Debug Road Line"))
{
road.debugRoadLine();
}
if (GUILayout.Button("Debug Cross Sections"))
{
road.debugCrossSections();
}
}
/// <summary>
/// Draw a road line in the editor, if drawing is enabled.
/// </summary>
private void OnSceneGUI()
{
MeshRoad road = (MeshRoad)target;
if (drawingEnabled)
{
// Maintain focus for this element while drawing is enabled
int controlID = GUIUtility.GetControlID(FocusType.Passive);
GUIUtility.hotControl = controlID;
Vector2 mousePosition = Event.current.mousePosition;
switch (Event.current.type)
{
case EventType.MouseDown:
roadLinePoints.Clear();
roadLinePoints.Add(editorToWorldPoint(mousePosition));
Event.current.Use();
break;
case EventType.MouseDrag:
roadLinePoints.Add(editorToWorldPoint(mousePosition));
// Useful debug - draw the last line segment
Debug.DrawLine(roadLinePoints[roadLinePoints.Count - 2], roadLinePoints[roadLinePoints.Count - 1], Color.cyan, 5, false);
Event.current.Use();
break;
case EventType.MouseUp:
// Finish drawing
drawingEnabled = false;
finalizeLine();
Event.current.Use();
break;
}
}
}
