void OnSceneGUI()
{
MotionPath path = (MotionPath)target;
Handles.matrix = path.transform.localToWorldMatrix;
Undo.RecordObject(path, "MovePathPoints");
GUIStyle controlPointText = new GUIStyle();
controlPointText.normal.textColor = Color.green;
controlPointText.fontSize = 20;
GUIStyle lengthText = new GUIStyle();
lengthText.normal.textColor = Color.cyan;
lengthText.fontSize = 15;
// Draw the length of the path in the center
Handles.Label(path.centerPoint + Vector3.up, path.length.ToString(), lengthText);
// Draw the number of the control point and the handle to translate it
for (int i = 0; i < path.controlPoints.Length; i++)
{
if (i == path.controlPoints.Length - 1)
{
if (!path.looping)
{
Handles.Label(path.controlPoints[i] + textOffset, i.ToString(), controlPointText);
}
}
else
{
Handles.Label(path.controlPoints[i] + textOffset, i.ToString(), controlPointText);
}
Vector3 newPos = Handles.FreeMoveHandle(path.controlPoints[i], Quaternion.identity, 0.2f, Vector3.one, Handles.DotHandleCap);
// Automatically rebuild the path luts if a point moves
if (path.controlPoints[i] != newPos)
{
path.controlPoints[i] = newPos;
path.Rebuild();
}
}
}
public override void OnInspectorGUI()
{
path.Update();
MotionPath pathObject = (MotionPath)target;
GUILayout.Space(10);
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(line, new GUIContent("Line Texture Prefab", string.Format("The texture used to render the line (line wont be rendered if not set)")));
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(width, new GUIContent("Line Width", string.Format("The width of the rendered line (not needed if no line)")));
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(rounding, new GUIContent("Line Rounding", string.Format("How rounded/polygonal the rendered line is (not needed if no line)")));
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(samples, new GUIContent("Samples Per Span", string.Format("Total Samples = {0}", (pathObject.controlPoints.Length - 1) * samples.intValue)));
EditorGUILayout.EndHorizontal();
GUILayout.Space(20);
GUILayout.Label("Path Points");
// First row add button to for begining of path
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("", indexWidth);
if (GUILayout.Button("+", buttonWidth))
{
Vector3 start = controlPoints.GetArrayElementAtIndex(0).vector3Value;
Vector3 end = controlPoints.GetArrayElementAtIndex(1).vector3Value;
Vector3 norm = (start - end).normalized;
controlPoints.InsertArrayElementAtIndex(0);
controlPoints.GetArrayElementAtIndex(0).vector3Value = start + norm;
}
EditorGUILayout.EndHorizontal();
int stopIndex = controlPoints.arraySize - 1;
for (int i = 0; i < controlPoints.arraySize; i++)
{
SerializedProperty
point = controlPoints.GetArrayElementAtIndex(i);
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(i.ToString(), indexWidth);
if (GUILayout.Button("X", buttonWidth))
{
if (controlPoints.arraySize < 3)
{
break;
}
controlPoints.DeleteArrayElementAtIndex(i);
if (i == stopIndex)
{
break;
}
}
EditorGUILayout.PropertyField(point, GUIContent.none);
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("", indexWidth);
if (GUILayout.Button("+", buttonWidth))
{
Vector3 start = controlPoints.GetArrayElementAtIndex(i).vector3Value;
if (i == controlPoints.arraySize - 1)
{
Vector3 pre = controlPoints.GetArrayElementAtIndex(i - 1).vector3Value;
Vector3 norm = (start - pre).normalized;
controlPoints.InsertArrayElementAtIndex(i + 1);
controlPoints.GetArrayElementAtIndex(i + 1).vector3Value = start + norm;
}
else
{
Vector3 end = controlPoints.GetArrayElementAtIndex(i + 1).vector3Value;
Vector3 newPoint = Vector3.Lerp(start, end, 0.5f);
controlPoints.InsertArrayElementAtIndex(i + 1);
controlPoints.GetArrayElementAtIndex(i + 1).vector3Value = newPoint;
}
}
EditorGUILayout.EndHorizontal();
}
if (!pathObject.looping)
{
GUILayout.Space(5);
if (GUILayout.Button("Make Loop"))
{
int i = controlPoints.arraySize - 1;
controlPoints.InsertArrayElementAtIndex(i);
controlPoints.GetArrayElementAtIndex(i + 1).vector3Value = controlPoints.GetArrayElementAtIndex(0).vector3Value;
}
}
if (path.ApplyModifiedProperties())
{
pathObject.Rebuild();
}
}
