private void AddCurvePoint()
{
linePoints = serializedObject.FindProperty("points");
linePoints.InsertArrayElementAtIndex(linePoints.arraySize);
CustomCurve.CurvePoint newCurvePoint = line.NewCurvePoint();
SerializedProperty curvePoint = linePoints.GetArrayElementAtIndex(linePoints.arraySize - 1);
curvePoint.FindPropertyRelative("curvePoint").vector3Value = newCurvePoint.curvePoint;
curvePoint.FindPropertyRelative("curveTangent").vector3Value = newCurvePoint.curveTangent;
selectedIndex = linePoints.arraySize - 1;
}
private void DrawAddButton(CustomCurve.CurvePoint curvePoint)
{
Handles.BeginGUI();
//float size = HandleUtility.GetHandleSize(curvePoint.curvePoint + curvePoint.curveTangent.normalized);
Vector3 screenPoint = Camera.current.WorldToScreenPoint(curvePoint.curvePoint + curvePoint.curveTangent * 0.5f);
if (GUI.Button(new Rect(screenPoint.x - 10, Screen.height - screenPoint.y - 50, 20, 20), "+"))
{
AddCurvePoint();
}
Handles.EndGUI();
}
private void OnSceneGUI()
{
// Disable selecting under mouse if we have a selected index.
if (Event.current.type == EventType.Layout)
{
if (selectedIndex != -1)
{
HandleUtility.AddDefaultControl(0);
}
}
// Drop the selected index if mouse up over no handle.
if (Event.current.type == EventType.MouseUp)
{
if (GUIUtility.hotControl == 0)
{
selectedIndex = -1;
}
}
serializedObject.Update();
handleTransform = line.transform;
Handles.color = Color.white;
Tools.hidden = selectedIndex != -1;
linePoints = serializedObject.FindProperty("points");
CustomCurve.CurvePoint p0 = ShowPoint(0);
for (int i = 1; i < line.points.Length; i += 1)
{
Handles.zTest = UnityEngine.Rendering.CompareFunction.Always;
CustomCurve.CurvePoint p1 = ShowPoint(i);
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.DrawBezier(p0.curvePoint, p1.curvePoint, p0.curvePoint + p0.curveTangent, p1.curvePoint - p1.curveTangent, Color.white, null, curveLineWidth);
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.DrawBezier(p0.curvePoint, p1.curvePoint, p0.curvePoint + p0.curveTangent, p1.curvePoint - p1.curveTangent, Color.grey, null, curveLineWidth);
Handles.zTest = UnityEngine.Rendering.CompareFunction.Always;
if (i == linePoints.arraySize - 1)
{
DrawAddButton(p1);
}
p0 = p1;
}
if (Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.Delete)
{
if (selectedIndex != -1)
{
Event.current.Use();
DeleteSelectedCurvePoint();
}
}
if (serializedObject.ApplyModifiedProperties() ||
line.transform.hasChanged ||
(Event.current.type == EventType.ValidateCommand && Event.current.commandName == "UndoRedoPerformed"))
{
line.CurveModified();
line.transform.hasChanged = false;
}
DrawRuler();
//ShowDirections();
}
