private void ResetBounds()
{
// Reset the bounds to a 2,2,2 cube
Undo.RecordObjects(targets, "Reset Bounds");
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
foreach (PrimitiveBrush brush in brushes)
{
BrushUtility.Resize(brush, new Vector3(2, 2, 2));
}
}
/// <summary>
/// Rotates the selected brushes so that their transform.up matches the specified axis
/// </summary>
/// <param name="newUpAxis">Axis to match transform.up to</param>
/// <param name="counterAlignment">If specified, when the brush is rotated the vertices will be counter rotated so they remain in their old positions and orientations</param>
void AlignUpToAxis(Vector3 newUpAxis, bool counterAlignment)
{
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
foreach (PrimitiveBrush brush in brushes)
{
Vector3 perpendicularDirection = Vector3.up;
if (Mathf.Abs(Vector3.Dot(perpendicularDirection, newUpAxis)) > 0.9f)
{
perpendicularDirection = Vector3.back;
}
// Calculate the new rotation for the brush so that it's new transform.up is at the axis. Note the parameter order
Quaternion rotation = Quaternion.LookRotation(-perpendicularDirection, newUpAxis);
Quaternion inverseRotation = Quaternion.Inverse(rotation * Quaternion.Inverse(brush.transform.localRotation));
//Debug.Log("Rotating from " + brush.transform.up + " to " + axis + ". Produces " + rotation.eulerAngles);
// Apply the rotation
brush.transform.localRotation = rotation;
// If they want to realign the brush but keep original world positions
if (counterAlignment)
{
Polygon[] polygons = brush.GetPolygons();
for (int polygonIndex = 0; polygonIndex < polygons.Length; polygonIndex++)
{
Vertex[] vertices = polygons[polygonIndex].Vertices;
// Rotate positions and vertices so they remain in their original place
for (int vertexIndex = 0; vertexIndex < vertices.Length; vertexIndex++)
{
vertices[vertexIndex].Position = inverseRotation * vertices[vertexIndex].Position;
vertices[vertexIndex].Normal = inverseRotation * vertices[vertexIndex].Normal;
}
}
// Polygon vertices have changed, so recalculate the planes
for (int polygonIndex = 0; polygonIndex < polygons.Length; polygonIndex++)
{
polygons[polygonIndex].CalculatePlane();
}
}
}
}
private void ResetPolygonsKeepScale()
{
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
foreach (PrimitiveBrush brush in brushes)
{
Bounds localBounds = brush.GetBounds();
brush.ResetPolygons();
if (localBounds.size != new Vector3(2, 2, 2))
{
BrushUtility.Resize(brush, localBounds.size);
}
else
{
brush.Invalidate(true);
}
}
}
private void ChangeBrushesToType(PrimitiveBrushType newType)
{
Undo.RecordObjects(targets, "Change Brush Type");
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
foreach (PrimitiveBrush brush in brushes)
{
Bounds localBounds = brush.GetBounds();
brush.BrushType = newType;
brush.ResetPolygons();
if (localBounds.size != new Vector3(2, 2, 2))
{
BrushUtility.Resize(brush, localBounds.size);
}
else
{
brush.Invalidate(true);
}
}
}
public override void OnInspectorGUI()
{
float drawableWidth = EditorGUIUtility.currentViewWidth;
drawableWidth -= 42; // Take some off for scroll bars and padding
PrimitiveBrushType[] selectedTypes = BrushTargets.Select(item => ((PrimitiveBrush)item).BrushType).ToArray();
PrimitiveBrushType?activeType = (selectedTypes.Length == 1) ? (PrimitiveBrushType?)selectedTypes[0] : null;
using (new NamedVerticalScope("Type"))
{
GUILayout.BeginHorizontal();
float areaWidth = drawableWidth - 18;
int buttonWidth = Mathf.RoundToInt(areaWidth / 5f);
int stretchButtonWidth = Mathf.RoundToInt(areaWidth - buttonWidth * 4); // To ensure a justified alignment one button must be stretched slightly
int buttonHeight = 50;
GUIStyle brushButtonStyle = new GUIStyle(GUI.skin.button);
brushButtonStyle.imagePosition = ImagePosition.ImageAbove;
brushButtonStyle.fontSize = 10;
GUIStyle labelStyle = new GUIStyle(GUI.skin.label);
labelStyle.alignment = TextAnchor.LowerCenter;
labelStyle.fontSize = brushButtonStyle.fontSize;
bool shortMode = (areaWidth < 260); // Whether certain words need to be abbreviated to fit in the box
DrawBrushButton(PrimitiveBrushType.Cube, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.Prism, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.Cylinder, activeType, brushButtonStyle, labelStyle, stretchButtonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.Sphere, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.IcoSphere, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
DrawBrushButton(PrimitiveBrushType.Cone, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
GUI.enabled = true; // Reset GUI enabled so that the next items aren't disabled
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
if (activeType.HasValue)
{
GUILayout.Label("Active: " + selectedTypes[0]);
}
else
{
GUILayout.Label("Active: Mixed");
}
if (activeType.HasValue)
{
EditorGUIUtility.labelWidth = 60;
EditorGUIUtility.fieldWidth = 50;
EditorGUI.BeginChangeCheck();
if (activeType.Value == PrimitiveBrushType.Prism)
{
EditorGUILayout.PropertyField(prismSideCountProp, new GUIContent("Sides"));
}
else if (activeType.Value == PrimitiveBrushType.Cylinder)
{
EditorGUILayout.PropertyField(cylinderSideCountProp, new GUIContent("Sides"));
}
else if (activeType.Value == PrimitiveBrushType.Sphere)
{
EditorGUILayout.PropertyField(sphereSideCountProp, new GUIContent("Sides"));
}
else if (activeType.Value == PrimitiveBrushType.IcoSphere)
{
EditorGUILayout.PropertyField(icoSphereIterationCountProp, new GUIContent("Iterations"));
}
else if (activeType.Value == PrimitiveBrushType.Cone)
{
EditorGUILayout.PropertyField(coneSideCountProp, new GUIContent("Sides"));
}
if (EditorGUI.EndChangeCheck())
{
// One of the properties has changed
serializedObject.ApplyModifiedProperties();
ResetPolygonsKeepScale();
}
}
GUILayout.EndHorizontal();
}
using (new NamedVerticalScope("Size"))
{
if (GUILayout.Button(new GUIContent("Reset Bounds", "Resets the bounds of the brush to [2,2,2]")))
{
ResetBounds();
}
GUILayout.BeginHorizontal();
GUI.SetNextControlName("rescaleTextbox");
scaleString = EditorGUILayout.TextField(scaleString);
bool keyboardEnter = Event.current.isKey &&
Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
GUI.GetNameOfFocusedControl() == "rescaleTextbox";
if (GUILayout.Button("Scale", GUILayout.MaxWidth(drawableWidth / 3f)) || keyboardEnter)
{
// Try to parse a Vector3 scale from the input string
Vector3 scaleVector3;
if (StringHelper.TryParseScale(scaleString, out scaleVector3))
{
// None of the scale components can be zero
if (scaleVector3.x != 0 && scaleVector3.y != 0 && scaleVector3.z != 0)
{
// Rescale all the brushes
Undo.RecordObjects(targets, "Scale Polygons");
foreach (var thisBrush in targets)
{
BrushUtility.Scale((PrimitiveBrush)thisBrush, scaleVector3);
}
}
}
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUI.SetNextControlName("resizeTextbox");
resizeString = EditorGUILayout.TextField(resizeString);
keyboardEnter = Event.current.isKey &&
Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
GUI.GetNameOfFocusedControl() == "resizeTextbox";
if (GUILayout.Button("Resize", GUILayout.MaxWidth(drawableWidth / 3f)) || keyboardEnter)
{
// Try to parse a Vector3 scale from the input string
Vector3 resizeVector3;
if (StringHelper.TryParseScale(resizeString, out resizeVector3))
{
// None of the size components can be zero
if (resizeVector3.x != 0 && resizeVector3.y != 0 && resizeVector3.z != 0)
{
// Rescale all the brushes so that the local bounds is the same size as the resize vector
Undo.RecordObjects(targets, "Resize Polygons");
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
foreach (PrimitiveBrush brush in brushes)
{
BrushUtility.Resize(brush, resizeVector3);
}
}
}
}
GUILayout.EndHorizontal();
}
using (new NamedVerticalScope("Rotation"))
{
GUILayout.Label("Align up direction", EditorStyles.boldLabel);
GUILayout.BeginHorizontal();
if (GUILayout.Button("X"))
{
AlignUpToAxis(new Vector3(1, 0, 0), false);
}
if (GUILayout.Button("Y"))
{
AlignUpToAxis(new Vector3(0, 1, 0), false);
}
if (GUILayout.Button("Z"))
{
AlignUpToAxis(new Vector3(0, 0, 1), false);
}
GUILayout.EndHorizontal();
GUILayout.Label("Align up direction (keep positions)", EditorStyles.boldLabel);
GUILayout.BeginHorizontal();
if (GUILayout.Button("X"))
{
AlignUpToAxis(new Vector3(1, 0, 0), true);
}
if (GUILayout.Button("Y"))
{
AlignUpToAxis(new Vector3(0, 1, 0), true);
}
if (GUILayout.Button("Z"))
{
AlignUpToAxis(new Vector3(0, 0, 1), true);
}
GUILayout.EndHorizontal();
}
using (new NamedVerticalScope("Misc"))
{
// Import Row
GUILayout.BeginHorizontal();
sourceMesh = EditorGUILayout.ObjectField(sourceMesh, typeof(Mesh), false) as Mesh;
if (GUILayout.Button("Import", GUILayout.MaxWidth(drawableWidth / 3f)))
{
if (sourceMesh != null)
{
Undo.RecordObjects(targets, "Import Polygons From Mesh");
Polygon[] polygons = BrushFactory.GeneratePolygonsFromMesh(sourceMesh).ToArray();
bool convex = GeometryHelper.IsBrushConvex(polygons);
if (!convex)
{
Debug.LogError("Concavities detected in imported mesh. This may result in issues during CSG, please change the source geometry so that it is convex");
}
foreach (var thisBrush in targets)
{
((PrimitiveBrush)thisBrush).SetPolygons(polygons, true);
}
}
}
GUILayout.EndHorizontal();
// Shell Row
GUILayout.BeginHorizontal();
if (shellDistance == 0)
{
shellDistance = CurrentSettings.PositionSnapDistance;
}
shellDistance = EditorGUILayout.FloatField("Distance", shellDistance);
if (GUILayout.Button("Shell", GUILayout.MaxWidth(drawableWidth / 3f)))
{
List <GameObject> newSelection = new List <GameObject>();
foreach (var thisBrush in targets)
{
GameObject newObject = ((PrimitiveBrush)thisBrush).Duplicate();
Polygon[] polygons = newObject.GetComponent <PrimitiveBrush>().GetPolygons();
VertexUtility.DisplacePolygons(polygons, -shellDistance);
Bounds newBounds = newObject.GetComponent <PrimitiveBrush>().GetBounds();
// Verify the new geometry
if (GeometryHelper.IsBrushConvex(polygons) &&
newBounds.GetSmallestExtent() > 0)
{
Undo.RegisterCreatedObjectUndo(newObject, "Shell");
newSelection.Add(newObject);
}
else
{
// Produced a concave brush, delete it and pretend nothing happened
GameObject.DestroyImmediate(newObject);
Debug.LogWarning("Could not shell " + thisBrush.name + " as shelled geometry would not be valid. Try lowering the shell distance and attempt Shell again.");
}
}
if (newSelection.Count > 0)
{
Selection.objects = newSelection.ToArray();
}
}
GUILayout.EndHorizontal();
// Split Intersecting Row
if (GUILayout.Button("Split Intersecting Brushes"))
{
// Chop up the intersecting brushes by the brush planes, ideally into as few new brushes as possible
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
BrushUtility.SplitIntersecting(brushes);
}
// BrushOrder brushOrder = BrushTarget.GetBrushOrder();
// string positionString = string.Join(",", brushOrder.Position.Select(item => item.ToString()).ToArray());
// GUILayout.Label(positionString, EditorStyles.boldLabel);
//List<BrushCache> intersections = ((PrimitiveBrush)BrushTarget).BrushCache.IntersectingVisualBrushCaches;
//GUILayout.Label("Intersecting brushes " + intersections.Count, EditorStyles.boldLabel);
//for (int i = 0; i < intersections.Count; i++)
//{
// GUILayout.Label(intersections[i].Mode.ToString(), EditorStyles.boldLabel);
//}
}
base.OnInspectorGUI();
}