protected override void OnInspector()
{
base.OnInspector();
CustomPathGenerator gen = (CustomPathGenerator)target;
Undo.RecordObject(gen, gen.name + " - Edit Properties");
Panel("Custom Path", ref pointsPanel, PointsGUI);
if (GUI.changed)
{
EditorUtility.SetDirty(gen);
}
}
void PointsGUI()
{
CustomPathGenerator generator = (CustomPathGenerator)target;
generator.customPathType = (Spline.Type)EditorGUILayout.EnumPopup("Custom Path Type", generator.customPathType);
if (generator.points.Length >= 4)
{
generator.loop = EditorGUILayout.Toggle("Loop", generator.loop);
}
else
{
generator.loop = false;
}
string[] options = new string[(generator.loop ? generator.points.Length - 1 : generator.points.Length) + 1];
for (int i = 0; i < options.Length - 1; i++)
{
options[i + 1] = "Point " + (i + 1);
}
options[0] = "- None -";
EditorGUILayout.BeginHorizontal();
selectedPoint = EditorGUILayout.Popup("Select Point", selectedPoint + 1, options) - 1;
if ((!generator.loop && generator.points.Length >= 1) || (generator.loop && generator.points.Length > 4))
{
if (GUILayout.Button("X", GUILayout.Width(20)))
{
ArrayUtility.RemoveAt(ref generator.points, selectedPoint);
selectedPoint--;
}
}
EditorGUILayout.EndHorizontal();
if (selectedPoint >= 0 && selectedPoint < generator.points.Length)
{
SplinePoint avgPoint = generator.points[selectedPoint];
avgPoint.SetPosition(EditorGUILayout.Vector3Field("Position", avgPoint.position));
if (generator.customPathType == Splines.Spline.Type.Bezier)
{
EditorGUILayout.Space();
avgPoint.type = (SplinePoint.Type)EditorGUILayout.EnumPopup("Tangents Type", avgPoint.type);
avgPoint.SetTangent2Position(EditorGUILayout.Vector3Field("Front Tangent", avgPoint.tangent2));
avgPoint.SetTangentPosition(EditorGUILayout.Vector3Field("Back Tangent", avgPoint.tangent));
EditorGUILayout.Space();
}
else
{
avgPoint.tangent = avgPoint.position;
avgPoint.tangent2 = avgPoint.position;
}
avgPoint.normal = EditorGUILayout.Vector3Field("Normal", avgPoint.normal);
avgPoint.normal.Normalize();
EditorGUIUtility.labelWidth = 0f;
avgPoint.size = EditorGUILayout.FloatField("Size", avgPoint.size);
avgPoint.color = EditorGUILayout.ColorField("Color", avgPoint.color);
if (generator.loop)
{
generator.points[generator.points.Length - 1] = generator.points[0];
}
generator.points[selectedPoint] = avgPoint;
}
if (GUILayout.Button("Create Point"))
{
SplinePoint newPoint = new SplinePoint();
newPoint.color = Color.white;
newPoint.size = 1f;
newPoint.normal = Vector3.up;
ArrayUtility.Add(ref generator.points, newPoint);
selectedPoint = generator.points.Length - 1;
}
}
public override void DrawScene(SceneView current)
{
CustomPathGenerator generator = (CustomPathGenerator)target;
if (visualization == null)
{
visualization = new Spline(generator.customPathType, generator.customPathSampleRate);
}
visualization.sampleRate = generator.customPathSampleRate;
visualization.type = generator.customPathType;
visualization.points = generator.points;
if (generator.loop && generator.points.Length > 3)
{
visualization.Close();
}
else if (visualization.isClosed)
{
visualization.Break();
}
DrawSpline(visualization);
Vector3 cameraPos = SceneView.currentDrawingSceneView.camera.transform.position;
for (int i = 0; i < generator.points.Length; i++)
{
if (visualization.isClosed && i == generator.points.Length - 1)
{
continue;
}
Color col = generator.points[i].color;
col.a = 0.7f;
Handles.color = col;
if (i == selectedPoint)
{
generator.points[i].SetPosition(Handles.PositionHandle(generator.points[i].position, Quaternion.identity));
if (visualization.type == Spline.Type.Bezier)
{
generator.points[i].SetTangent2Position(Handles.PositionHandle(generator.points[i].tangent2, Quaternion.identity));
generator.points[i].SetTangentPosition(Handles.PositionHandle(generator.points[i].tangent, Quaternion.identity));
Handles.DrawLine(generator.points[i].position, generator.points[i].tangent);
Handles.DrawLine(generator.points[i].position, generator.points[i].tangent2);
}
}
else
{
Vector3 pos = generator.points[i].position;
float handleSize = HandleUtility.GetHandleSize(generator.points[i].position);
float pointSize = handleSize * 0.1f * Mathf.Max(generator.points[i].size, 0.2f);
Handles.DrawSolidDisc(pos, cameraPos - pos, pointSize);
Handles.DrawLine(pos, pos + generator.points[i].normal * 5f * handleSize * 0.2f);
if (generator.customPathType == Spline.Type.Bezier)
{
Handles.DrawDottedLine(generator.points[i].position, generator.points[i].tangent, 10f);
Handles.DrawDottedLine(generator.points[i].position, generator.points[i].tangent2, 10f);
Handles.DrawWireDisc(generator.points[i].tangent, cameraPos - generator.points[i].tangent, handleSize * 0.075f);
Handles.DrawWireDisc(generator.points[i].tangent2, cameraPos - generator.points[i].tangent2, handleSize * 0.075f);
}
Handles.color = Color.clear;
if (Handles.Button(pos, Quaternion.LookRotation(cameraPos - pos), pointSize, pointSize, Handles.CircleHandleCap))
{
selectedPoint = i;
pointsPanel = true;
Repaint();
}
}
}
if (generator.loop)
{
generator.points[generator.points.Length - 1] = generator.points[0];
}
Handles.color = Color.white;
}