void OnSceneGUI()
{
Quad2D quad = (Quad2D)target;
Undo.RecordObject(quad, "Move Quad Point");
// Handle manual vertex movement by user.
for (int i = 0; i < 4; ++i)
{
Vector3 oldPoint = quad.transform.TransformPoint(quad.GetVertex(i));
Vector3 newPoint = Handles.FreeMoveHandle(oldPoint, Quaternion.identity, VertexSnapper.VERTEX_HANDLE_SIZE, Vector3.one * 0.1f, Handles.DotCap);
if (quad.snapVertexPositions)
{
VertexSnapper.SnapTo(quad.snapValue, ref newPoint);
}
if (oldPoint != newPoint)
{
quad.UpdateVertex(i, quad.transform.InverseTransformPoint(newPoint));
quad.UpdateMesh();
}
}
}
public override void OnInspectorGUI()
{
Quad2D quadTarget = (Quad2D)target;
primitive.Update();
// This undo action seems to leak the material due to the object being passed to RecordObject being copied
//Undo.RecordObject((target as Quad2D), "Modify Quad");
// Material.
if (!quadTarget.useCustomMaterial)
{
if (GUILayout.Button("Use Custom Material"))
{
quadTarget.RemoveDefaultMaterial();
}
EditorGUILayout.PropertyField(color);
}
else
{
if (GUILayout.Button("Use Default Material"))
{
quadTarget.AddDefaultMaterial();
}
}
EditorGUILayout.Space();
// Handle vertex snapping option.
// New snap values must be applied in order to avoid erratic movement of the mesh vertices.
// Thus, changes to the snap value are not directly made to the primitive's value, but instead go through a temporary
// variable (editorSnapValue) local to the editor script.
EditorGUILayout.PropertyField(snapVertexPositions);
if (quadTarget.snapVertexPositions)
{
EditorGUILayout.BeginHorizontal();
editorSnapValue = EditorGUILayout.FloatField("Snap Value", editorSnapValue);
if (editorSnapValue == quadTarget.snapValue)
{
snapValuesSame = true;
}
else
{
snapValuesSame = false;
}
// Only enable the Apply button if the snap value in the inspector is different from the primitive's value.
GUI.enabled = !snapValuesSame;
if (GUILayout.Button("Apply"))
{
snapValueInRange = VertexSnapper.Clamp(ref editorSnapValue, ref quadTarget.snapValue);
}
GUI.enabled = true;
EditorGUILayout.EndHorizontal();
}
if (!snapValueInRange)
{
EditorGUILayout.HelpBox("Snap value must be between 0.1 and 1.0", MessageType.Error, true);
}
EditorGUILayout.Space();
// Collider.
if (GUILayout.Button("Add Collider"))
{
quadTarget.AddCollider(4);
}
// Handle updating of the primitive's mesh when changes are made.
if (primitive.ApplyModifiedProperties() ||
(Event.current.type == EventType.ValidateCommand && Event.current.commandName == "UndoRedoPerformed"))
{
if (PrefabUtility.GetPrefabType(target) != PrefabType.Prefab)
{
quadTarget.UpdateMesh();
}
}
}