void SetupInputPlane(Vector2 mousePosition)
{
plane = EditorHandleUtility.FindBestPlane(mousePosition);
var planeNormal = plane.normal;
var planeCenter = plane.normal * -plane.distance;
// if hit point on plane is cardinal axis and on grid, snap to grid.
if (Math.IsCardinalAxis(planeNormal))
{
const float epsilon = .00001f;
bool offGrid = false;
Vector3 snapVal = EditorSnapping.activeMoveSnapValue;
Vector3 center = Vector3.Scale(ProBuilderSnapping.GetSnappingMaskBasedOnNormalVector(planeNormal), planeCenter);
for (int i = 0; i < 3; i++)
{
offGrid |= Mathf.Abs(snapVal[i] % center[i]) > epsilon;
}
polygon.isOnGrid = !offGrid;
}
else
{
polygon.isOnGrid = false;
}
}
/// <summary>
/// The Editing handles are used to manipulate and resize ProBuilderShapes
/// These handles are used in 2 tools : EditShapeTool and DrawShapeTool. In this second tool,
/// these handles allow to modified the last created shape.
/// </summary>
/// <param name="proBuilderShape">The Shape on which to attach the handles</param>
/// <param name="updatePrefs">Parameter used to update the DrawShapeTool when needed</param>
internal static void DoEditingHandles(ProBuilderShape proBuilderShape, bool updatePrefs = false)
{
if (proBuilderShape == null)
{
return;
}
var scale = proBuilderShape.transform.lossyScale;
var position = proBuilderShape.transform.position
+ Vector3.Scale(proBuilderShape.transform.TransformDirection(proBuilderShape.shapeBox.center), scale);
var matrix = Matrix4x4.TRS(position, proBuilderShape.transform.rotation, Vector3.one);
using (new Handles.DrawingScope(matrix))
{
EditorShapeUtility.UpdateFaces(proBuilderShape.editionBounds, scale, faces);
for (int i = 0; i < 4; ++i)
{
k_OrientationControlIDs[i] = GUIUtility.GetControlID(FocusType.Passive);
}
for (int i = 0; i < faces.Length; ++i)
{
s_FaceControlIDs[i] = GUIUtility.GetControlID(FocusType.Passive);
}
var absSize = Math.Abs(proBuilderShape.editionBounds.size);
if (absSize.x > Mathf.Epsilon && absSize.y > Mathf.Epsilon && absSize.z > Mathf.Epsilon)
{
DoOrientationHandles(proBuilderShape, updatePrefs);
}
DoSizeHandles(proBuilderShape, updatePrefs);
}
}
public override void OnGUI()
{
s_Radius.value = EditorGUILayout.FloatField("Radius", s_Radius);
s_Radius.value = Mathf.Clamp(s_Radius, k_MinShapeDimensions.x, k_MinShapeDimensions.x);
s_AxisSegments.value = EditorGUILayout.IntField("Number of Sides", s_AxisSegments);
s_AxisSegments.value = PMath.Clamp(s_AxisSegments, 4, 128);
s_Height.value = EditorGUILayout.FloatField("Height", s_Height);
s_Height.value = Mathf.Clamp(s_Height.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_HeightSegments.value = EditorGUILayout.IntField("Height Segments", s_HeightSegments);
s_HeightSegments.value = UnityEngine.ProBuilder.Math.Clamp(s_HeightSegments, 0, 48);
s_HeightSegments.value = Mathf.Clamp(s_HeightSegments.value, 0, 128);
s_Smooth.value = EditorGUILayout.Toggle("Smooth", s_Smooth);
if (s_AxisSegments % 2 != 0)
{
s_AxisSegments.value++;
}
if (s_HeightSegments < 0)
{
s_HeightSegments.value = 0;
}
}
/// <summary>
/// Create a shape with the last set <see cref="ShapeEditor"/> parameters.
/// </summary>
/// <returns>A reference to the <see cref="ProBuilderMesh"/> of the newly created GameObject.</returns>
public static ProBuilderMesh CreateActiveShape()
{
var res = s_ShapeBuilders[PMath.Clamp(s_CurrentIndex, 0, s_ShapeBuilders.Length - 1)].Build();
Undo.RegisterCreatedObjectUndo(res.gameObject, "Create Shape");
EditorUtility.InitObject(res);
return(res);
}
float GetDragDistance()
{
Ray constraint = m_DragState.constraint;
Ray mouse = m_SceneCamera.ScreenPointToRay(Input.mousePosition);
Vector3 nearestPoint = PMath.GetNearestPointRayRay(constraint, mouse);
float sign = System.Math.Sign(Vector3.Dot(nearestPoint - constraint.origin, constraint.direction));
return(Vector3.Distance(constraint.origin, nearestPoint) * sign);
}
public override void OnGUI()
{
s_Radius.value = EditorGUILayout.FloatField("Radius", s_Radius);
s_Height.value = EditorGUILayout.FloatField("Height", s_Height);
s_AxisSegments.value = EditorGUILayout.IntField("Number of Sides", s_AxisSegments);
s_Radius.value = Mathf.Clamp(s_Radius.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_Height.value = Mathf.Clamp(s_Height.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_AxisSegments.value = PMath.Clamp(s_AxisSegments, 3, 64);
}
void SetPolyEditMode(PolyShape.PolyEditMode mode)
{
if (polygon == null)
{
return;
}
PolyShape.PolyEditMode old = polygon.polyEditMode;
if (mode != old)
{
GUIUtility.hotControl = 0;
// Entering edit mode after the shape has been finalized once before, which means
// possibly reverting manual changes. Store undo state so that if this was
// not intentional user can revert.
if (old == PolyShape.PolyEditMode.None && polygon.m_Points.Count > 2)
{
if (ProBuilderEditor.instance != null)
{
ProBuilderEditor.instance.ClearElementSelection();
}
UndoUtility.RecordComponents <ProBuilderMesh, PolyShape>(polygon.GetComponents(typeof(Component)), "Edit Polygon Shape");
}
polygon.polyEditMode = mode;
// If coming from Path -> Height set the mouse / origin offset
if (old == PolyShape.PolyEditMode.Path && mode == PolyShape.PolyEditMode.Height && Event.current != null)
{
Vector3 up = polygon.transform.up;
Vector3 origin = polygon.transform.TransformPoint(Math.Average(polygon.m_Points));
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
Vector3 p = Math.GetNearestPointRayRay(origin, up, r.origin, r.direction);
float extrude = Vector3.Distance(origin, p) * Mathf.Sign(Vector3.Dot(p - origin, up));
s_HeightMouseOffset = polygon.extrude - EditorSnapping.MoveSnap(extrude);
}
else if (old == PolyShape.PolyEditMode.Path && mode == PolyShape.PolyEditMode.None)
{
var go = polygon.gameObject;
EditorApplication.delayCall += () => DestroyImmediate(go);
return;
}
RebuildPolyShapeMesh(polygon);
//Dirty the polygon for serialization (fix for transition between prefab and scene mode)
if (polygon != null)
{
UnityEditor.EditorUtility.SetDirty(polygon);
}
}
}
public override void OnGUI()
{
s_Axis.value = (Axis)EditorGUILayout.EnumPopup("Axis", s_Axis);
s_Width.value = EditorGUILayout.FloatField("Width", s_Width);
s_Height.value = EditorGUILayout.FloatField("Length", s_Height);
s_Width.value = Mathf.Clamp(s_Width.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_Height.value = Mathf.Clamp(s_Height.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_WidthSegments.value = EditorGUILayout.IntField("Width Segments", s_WidthSegments);
s_HeightSegments.value = EditorGUILayout.IntField("Length Segments", s_HeightSegments);
s_WidthSegments.value = PMath.Clamp(s_WidthSegments.value, 0, 512);
s_HeightSegments.value = PMath.Clamp(s_HeightSegments.value, 0, 512);
}
public override void OnGUI()
{
s_Radius.value = EditorGUILayout.FloatField("Radius", s_Radius);
s_Height.value = EditorGUILayout.FloatField("Height", s_Height);
s_Thickness.value = EditorGUILayout.FloatField("Thickness", s_Thickness);
s_AxisSegments.value = EditorGUILayout.IntField("Number of Sides", s_AxisSegments);
s_HeightSegments.value = EditorGUILayout.IntField("Height Segments", s_HeightSegments);
s_Radius.value = Mathf.Clamp(s_Radius.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_Height.value = Mathf.Clamp(s_Height.value, k_MinShapeDimensions.x, k_MaxShapeDimensions.x);
s_HeightSegments.value = (int)Mathf.Clamp(s_HeightSegments, 0f, 32f);
s_Thickness.value = Mathf.Clamp(s_Thickness, .01f, s_Radius - .01f);
s_AxisSegments.value = PMath.Clamp(s_AxisSegments, 3, 64);
s_HeightSegments.value = PMath.Clamp(s_HeightSegments.value, 0, 128);
}
void BeginDrag()
{
if (m_DragState.active)
{
return;
}
m_DragState.active = true;
var trs = m_Selection.mesh.transform;
// The constraint ray is stored in world space
var origin = trs.TransformPoint(PMath.Average(m_Selection.mesh.positions, m_Selection.face.indexes));
var direction = trs.TransformDirection(PMath.Normal(m_Selection.mesh, m_Selection.face));
m_DragState.constraint = new Ray(origin, direction);
m_DragState.meshState = new MeshState(m_Selection.mesh, m_Selection.face.distinctIndexes);
m_DragState.offset = GetDragDistance();
}
public override void OnGUI()
{
s_Steps.value = (int)Mathf.Max(UI.EditorGUIUtility.FreeSlider("Steps", s_Steps, 2, 64), 2);
s_Steps.value = PMath.Clamp(s_Steps, 2, 512);
s_Sides.value = EditorGUILayout.Toggle("Build Sides", s_Sides);
s_Circumference.value = EditorGUILayout.Slider("Curvature", s_Circumference, 0f, 360f);
Vector3 size = s_Size.value;
if (s_Circumference > 0f)
{
s_Mirror.value = EditorGUILayout.Toggle("Mirror", s_Mirror);
size.x =
Mathf.Max(
UI.EditorGUIUtility.FreeSlider(
new GUIContent("Stair Width", "The width of an individual stair step."), size.x,
.01f, 10f), .01f);
size.y =
Mathf.Max(
UI.EditorGUIUtility.FreeSlider(
new GUIContent("Stair Height",
"The total height of this staircase. You may enter any value in the float field."),
size.y, .01f, 10f), .01f);
size.z =
Mathf.Max(
UI.EditorGUIUtility.FreeSlider(
new GUIContent("Inner Radius", "The distance from the center that stairs begin."),
size.z, 0f, 10f), 0f);
s_Size.value = size;
}
else
{
size.x = UI.EditorGUIUtility.FreeSlider("Width", size.x, 0.01f, 10f);
size.y = UI.EditorGUIUtility.FreeSlider("Height", size.y, 0.01f, 10f);
size.z = UI.EditorGUIUtility.FreeSlider("Depth", size.z, 0.01f, 10f);
}
s_Size.value = PMath.Clamp(size, k_MinShapeDimensions, k_MaxShapeDimensions);
}
/// <summary>
/// Resize any collider components on this mesh to match the size of the mesh bounds.
/// </summary>
/// <param name="mesh">The mesh target to rebuild collider volumes for.</param>
public static void RebuildColliders(this ProBuilderMesh mesh)
{
mesh.mesh.RecalculateBounds();
var bounds = mesh.mesh.bounds;
foreach (var collider in mesh.GetComponents <Collider>())
{
Type t = collider.GetType();
if (t == typeof(BoxCollider))
{
((BoxCollider)collider).center = bounds.center;
((BoxCollider)collider).size = bounds.size;
}
else if (t == typeof(SphereCollider))
{
((SphereCollider)collider).center = bounds.center;
((SphereCollider)collider).radius = Math.LargestValue(bounds.extents);
}
else if (t == typeof(CapsuleCollider))
{
((CapsuleCollider)collider).center = bounds.center;
Vector2 xy = new Vector2(bounds.extents.x, bounds.extents.z);
((CapsuleCollider)collider).radius = Math.LargestValue(xy);
((CapsuleCollider)collider).height = bounds.size.y;
}
else if (t == typeof(WheelCollider))
{
((WheelCollider)collider).center = bounds.center;
((WheelCollider)collider).radius = Math.LargestValue(bounds.extents);
}
else if (t == typeof(MeshCollider))
{
((MeshCollider)collider).sharedMesh = null;
((MeshCollider)collider).sharedMesh = mesh.mesh;
}
}
}
bool CheckFaceVertexAttributes(ProBuilderMesh mesh, Face face, out InvalidFaceInfo info)
{
info = default;
var positions = mesh.positionsInternal;
var normals = mesh.normalsInternal;
var tangents = mesh.tangentsInternal;
var textures = mesh.texturesInternal;
var indices = face.indexesInternal;
var distinct = face.distinctIndexesInternal;
for (int i = 0, c = indices.Length; i < c; i += 3)
{
if (Math.TriangleArea(positions[indices[i]], positions[indices[i + 1]], positions[indices[i + 2]]) < float.Epsilon)
{
info.problems += $"Degenerate Triangle {indices[i]} {indices[i+1]} {indices[i+2]}";
}
}
for (int i = 0, c = distinct.Length; i < c; ++i)
{
if (normals != null && !Math.IsNumber(normals[i]))
{
info.problems += $"normals [{i}] is NaN";
}
if (textures != null && !Math.IsNumber(textures[i]))
{
info.problems += $"uv0 [{i}] is NaN";
}
if (tangents != null && !Math.IsNumber(tangents[i]))
{
info.problems += $"tangents [{i}] is NaN";
}
}
info.position = Math.Average(positions, distinct);
return(!string.IsNullOrEmpty(info.problems));
}
static void DoSizeHandles(ProBuilderShape proBuilderShape, bool updatePrefs)
{
int faceCount = s_Faces.Length;
var evt = Event.current;
var is2D = proBuilderShape.shape is Plane || proBuilderShape.shape is Sprite;
for (int i = 0; i < faceCount; i++)
{
var face = faces[i];
if (is2D && !face.IsValid)
{
continue;
}
if (Event.current.type == EventType.Repaint)
{
Color color = k_BoundsHandleColor;
color.a *= face.IsVisible ? 1f : 0.5f;
using (new Handles.DrawingScope(color))
{
int pointsCount = face.Points.Length;
for (int k = 0; k < pointsCount; k++)
{
Handles.DrawLine(face.Points[k], face.Points[(k + 1) % pointsCount]);
}
}
}
if (DoFaceSizeHandle(face, s_FaceControlIDs[i]))
{
if (!s_SizeManipulationInit)
{
s_StartCenter = proBuilderShape.transform.position + proBuilderShape.transform.TransformVector(proBuilderShape.shapeBox.center);
s_StartScale = proBuilderShape.transform.lossyScale;
s_StartScaleInverse = new Vector3(1f / Mathf.Abs(s_StartScale.x), 1f / Mathf.Abs(s_StartScale.y), 1f / Mathf.Abs(s_StartScale.z));
s_StartPositionLocal = face.CenterPosition;
s_StartPositionGlobal = proBuilderShape.transform.TransformPoint(Vector3.Scale(face.CenterPosition, s_StartScale));
s_StartSize = proBuilderShape.size;
s_SizeManipulationInit = true;
s_Scaling = Vector3.Scale(face.Normal, Math.Sign(s_StartSize));
}
var targetSize = s_StartSize;
if (Math.IsCardinalAxis(proBuilderShape.transform.up) &&
EditorSnapSettings.gridSnapEnabled &&
!EditorSnapSettings.incrementalSnapActive &&
!evt.alt)
{
var faceDelta = (s_SizeDelta * s_Faces[i].Normal);
var facePosition = s_StartPositionGlobal + faceDelta;
facePosition = ProBuilderSnapping.Snap(facePosition, EditorSnapping.activeMoveSnapValue);
targetSize += Vector3.Scale((facePosition - s_StartPositionGlobal), s_Scaling);
}
else
{
//Should we expand on the 2 sides?
var modifier = evt.alt ? 2f : 1f;
var delta = modifier * (s_SizeDelta * s_Faces[i].Normal);
delta.Scale(s_Scaling);
delta.Scale(s_StartScaleInverse);
targetSize += delta;
var snap = EditorSnapSettings.incrementalSnapActive
? Vector3.Scale(EditorSnapping.activeMoveSnapValue, Math.Abs(face.Normal))
: Vector3.zero;
targetSize = ProBuilderSnapping.Snap(targetSize, snap);
}
var center = Vector3.zero;
if (!evt.alt)
{
center = Vector3.Scale((targetSize - s_StartSize) / 2f, s_Scaling);
center = Vector3.Scale(center, Math.Sign(s_StartScale));
center = proBuilderShape.transform.TransformVector(center);
}
ApplyProperties(proBuilderShape, s_StartCenter + center, targetSize);
if (updatePrefs)
{
DrawShapeTool.SaveShapeParams(proBuilderShape);
}
}
}
}
void DoExistingPointsGUI()
{
Transform trs = polygon.transform;
int len = polygon.m_Points.Count;
Vector3 up = trs.up;
Vector3 right = trs.right;
Vector3 forward = trs.forward;
Vector3 center = Vector3.zero;
Event evt = Event.current;
bool used = evt.type == EventType.Used;
if (!used &&
(evt.type == EventType.MouseDown &&
evt.button == 0 &&
!EditorHandleUtility.IsAppendModifier(evt.modifiers)))
{
m_SelectedIndex = -1;
}
if (evt.type == EventType.Repaint && polygon.polyEditMode == PolyShape.PolyEditMode.Path)
{
Vector3 currentPos = polygon.transform.TransformPoint(m_CurrentPosition);
Handles.color = k_HandleColor;
Handles.DotHandleCap(-1, currentPos, Quaternion.identity, HandleUtility.GetHandleSize(currentPos) * k_HandleSize, evt.type);
Handles.color = Color.white;
}
if (polygon.polyEditMode == PolyShape.PolyEditMode.Height)
{
if (!used && evt.type == EventType.MouseUp && evt.button == 0 && !EditorHandleUtility.IsAppendModifier(evt.modifiers))
{
evt.Use();
SetPolyEditMode(PolyShape.PolyEditMode.Edit);
}
bool sceneInUse = EditorHandleUtility.SceneViewInUse(evt);
Ray r = HandleUtility.GUIPointToWorldRay(evt.mousePosition);
Vector3 origin = polygon.transform.TransformPoint(Math.Average(polygon.m_Points));
float extrude = polygon.extrude;
if (evt.type == EventType.MouseMove && !sceneInUse)
{
Vector3 p = Math.GetNearestPointRayRay(origin, up, r.origin, r.direction);
extrude = EditorSnapping.MoveSnap(s_HeightMouseOffset + Vector3.Distance(origin, p) * Mathf.Sign(Vector3.Dot(p - origin, up)));
}
Vector3 extrudePoint = origin + (extrude * up);
if (m_DrawHeightHandles)
{
Handles.color = k_HandleColor;
Handles.DotHandleCap(-1, origin, Quaternion.identity, HandleUtility.GetHandleSize(origin) * k_HandleSize, evt.type);
Handles.color = k_HandleColorGreen;
Handles.DrawLine(origin, extrudePoint);
Handles.DotHandleCap(-1, extrudePoint, Quaternion.identity, HandleUtility.GetHandleSize(extrudePoint) * k_HandleSize, evt.type);
Handles.color = Color.white;
}
if (!sceneInUse && polygon.extrude != extrude)
{
OnBeginVertexMovement();
polygon.extrude = extrude;
RebuildPolyShapeMesh(false);
}
}
else
{
// vertex dots
for (int ii = 0; ii < len; ii++)
{
Vector3 point = trs.TransformPoint(polygon.m_Points[ii]);
center.x += point.x;
center.y += point.y;
center.z += point.z;
float size = HandleUtility.GetHandleSize(point) * k_HandleSize;
Handles.color = ii == m_SelectedIndex ? k_HandleSelectedColor : k_HandleColor;
EditorGUI.BeginChangeCheck();
point = Handles.Slider2D(point, up, right, forward, size, Handles.DotHandleCap, Vector2.zero, true);
if (EditorGUI.EndChangeCheck())
{
UndoUtility.RecordObject(polygon, "Move Polygon Shape Point");
polygon.m_Points[ii] = GetPointInLocalSpace(point);
OnBeginVertexMovement();
RebuildPolyShapeMesh(false);
}
// "clicked" a button
if (!used && evt.type == EventType.Used)
{
if (ii == 0 && polygon.m_Points.Count > 2 && polygon.polyEditMode == PolyShape.PolyEditMode.Path)
{
m_NextMouseUpAdvancesMode = true;
return;
}
else
{
used = true;
m_SelectedIndex = ii;
}
}
}
Handles.color = Color.white;
// height setting
if (polygon.polyEditMode != PolyShape.PolyEditMode.Path && polygon.m_Points.Count > 2)
{
center.x /= (float)len;
center.y /= (float)len;
center.z /= (float)len;
Vector3 extrude = center + (up * polygon.extrude);
m_DistanceFromHeightHandle = Vector2.Distance(HandleUtility.WorldToGUIPoint(extrude), evt.mousePosition);
EditorGUI.BeginChangeCheck();
if (m_DrawHeightHandles)
{
Handles.color = k_HandleColor;
Handles.DotHandleCap(-1, center, Quaternion.identity, HandleUtility.GetHandleSize(center) * k_HandleSize, evt.type);
Handles.DrawLine(center, extrude);
Handles.color = k_HandleColorGreen;
extrude = Handles.Slider(extrude, up, HandleUtility.GetHandleSize(extrude) * k_HandleSize, Handles.DotHandleCap, 0f);
Handles.color = Color.white;
}
if (EditorGUI.EndChangeCheck())
{
UndoUtility.RecordObject(polygon, "Set Polygon Shape Height");
polygon.extrude = EditorSnapping.MoveSnap(Vector3.Distance(extrude, center) * Mathf.Sign(Vector3.Dot(up, extrude - center)));
OnBeginVertexMovement();
RebuildPolyShapeMesh(false);
}
}
}
}
void DoPointPlacement()
{
Event evt = Event.current;
EventType eventType = evt.type;
if (m_PlacingPoint)
{
Ray ray = HandleUtility.GUIPointToWorldRay(evt.mousePosition);
if (eventType == EventType.MouseDrag)
{
float hitDistance = Mathf.Infinity;
if (plane.Raycast(ray, out hitDistance))
{
evt.Use();
polygon.m_Points[m_SelectedIndex] = GetPointInLocalSpace(ray.GetPoint(hitDistance));
RebuildPolyShapeMesh(false);
SceneView.RepaintAll();
}
}
if (eventType == EventType.MouseUp ||
eventType == EventType.Ignore ||
eventType == EventType.KeyDown ||
eventType == EventType.KeyUp)
{
evt.Use();
m_PlacingPoint = false;
m_SelectedIndex = -1;
SceneView.RepaintAll();
}
}
else if (polygon.polyEditMode == PolyShape.PolyEditMode.Path)
{
if (eventType == EventType.MouseDown && HandleUtility.nearestControl == m_ControlId)
{
if (polygon.m_Points.Count < 1)
{
SetupInputPlane(evt.mousePosition);
}
float hitDistance = Mathf.Infinity;
Ray ray = HandleUtility.GUIPointToWorldRay(evt.mousePosition);
if (plane.Raycast(ray, out hitDistance))
{
UndoUtility.RecordObject(polygon, "Add Polygon Shape Point");
Vector3 hit = ray.GetPoint(hitDistance);
if (polygon.m_Points.Count < 1)
{
// this monstrosity exists so that grid and incremental snap work when possible, and
// incremental is enabled when grid is not available.
polygon.transform.position = m_Polygon.isOnGrid
? EditorSnapping.MoveSnap(hit)
: EditorSnapping.snapMode == SnapMode.Relative
? ProBuilderSnapping.Snap(hit, EditorSnapping.incrementalSnapMoveValue)
: hit;
Vector3 cameraFacingPlaneNormal = plane.normal;
if (Vector3.Dot(cameraFacingPlaneNormal, SceneView.lastActiveSceneView.camera.transform.forward) > 0f)
{
cameraFacingPlaneNormal *= -1;
}
polygon.transform.rotation = Quaternion.LookRotation(cameraFacingPlaneNormal) * Quaternion.Euler(new Vector3(90f, 0f, 0f));
}
Vector3 point = GetPointInLocalSpace(hit);
if (polygon.m_Points.Count > 2 && Math.Approx3(polygon.m_Points[0], point))
{
m_NextMouseUpAdvancesMode = true;
return;
}
polygon.m_Points.Add(point);
m_PlacingPoint = true;
m_SelectedIndex = polygon.m_Points.Count - 1;
RebuildPolyShapeMesh(polygon);
evt.Use();
}
}
else
{
float hitDistance = Mathf.Infinity;
Ray ray = HandleUtility.GUIPointToWorldRay(evt.mousePosition);
if (plane.Raycast(ray, out hitDistance))
{
Vector3 hit = ray.GetPoint(hitDistance);
m_CurrentPosition = GetPointInLocalSpace(hit);
}
}
}
else if (polygon.polyEditMode == PolyShape.PolyEditMode.Edit)
{
if (polygon.m_Points.Count < 3)
{
SetPolyEditMode(PolyShape.PolyEditMode.Path);
return;
}
if (m_DistanceFromHeightHandle > PreferenceKeys.k_MaxPointDistanceFromControl)
{
// point insertion
Vector2 mouse = evt.mousePosition;
Ray ray = HandleUtility.GUIPointToWorldRay(mouse);
float hitDistance = Mathf.Infinity;
if (plane.Raycast(ray, out hitDistance))
{
Vector3 hit = ray.GetPoint(hitDistance);
Vector3 point = GetPointInLocalSpace(hit);
int polyCount = polygon.m_Points.Count;
float distToLineInGUI;
int index;
Vector3 pInGUI = EditorHandleUtility.ClosestPointToPolyLine(polygon.m_Points, out index, out distToLineInGUI, true, polygon.transform);
Vector3 aToPoint = point - polygon.m_Points[index - 1];
Vector3 aToB = polygon.m_Points[index % polyCount] - polygon.m_Points[index - 1];
float ratio = Vector3.Dot(aToPoint, aToB.normalized) / aToB.magnitude;
Vector3 wp = Vector3.Lerp(polygon.m_Points[index - 1], polygon.m_Points[index % polyCount], ratio);
wp = polygon.transform.TransformPoint(wp);
Vector2 aInGUI = HandleUtility.WorldToGUIPoint(polygon.transform.TransformPoint(polygon.m_Points[index - 1]));
Vector2 bInGUI = HandleUtility.WorldToGUIPoint(polygon.transform.TransformPoint(polygon.m_Points[index % polyCount]));
float distanceToVertex = Mathf.Min(Vector2.Distance(mouse, aInGUI), Vector2.Distance(mouse, bInGUI));
if (distanceToVertex > PreferenceKeys.k_MaxPointDistanceFromControl && distToLineInGUI < PreferenceKeys.k_MaxPointDistanceFromControl)
{
m_MouseCursor = MouseCursor.ArrowPlus;
if (evt.type == EventType.Repaint)
{
Handles.color = Color.green;
Handles.DotHandleCap(-1, wp, Quaternion.identity,
HandleUtility.GetHandleSize(wp) * k_HandleSize, evt.type);
}
if (evt.type == EventType.MouseDown && HandleUtility.nearestControl == m_ControlId)
{
evt.Use();
UndoUtility.RecordObject(polygon, "Insert Point");
polygon.m_Points.Insert(index, point);
m_SelectedIndex = index;
m_PlacingPoint = true;
RebuildPolyShapeMesh(true);
OnBeginVertexMovement();
}
Handles.color = Color.white;
}
if (evt.type != EventType.Repaint)
{
SceneView.RepaintAll();
}
}
}
}
}
static bool DoOrientationHandle(FaceData face, ProBuilderShape proBuilderShape)
{
Event evt = Event.current;
bool hasRotated = false;
switch (evt.type)
{
case EventType.MouseDown:
if (k_OrientationControlIDs.Contains(HandleUtility.nearestControl) && evt.button == 0)
{
s_CurrentId = HandleUtility.nearestControl;
GUIUtility.hotControl = s_CurrentId;
evt.Use();
}
break;
case EventType.MouseUp:
if (k_OrientationControlIDs.Contains(HandleUtility.nearestControl) && evt.button == 0)
{
GUIUtility.hotControl = 0;
evt.Use();
if (s_CurrentId == HandleUtility.nearestControl)
{
//Execute rotation
Vector3 targetedNormal = Vector3.zero;
for (int i = 0; i < k_OrientationControlIDs.Length; i++)
{
if (k_OrientationControlIDs[i] == s_CurrentId)
{
targetedNormal = (s_ArrowsLines[i][1] - face.CenterPosition).normalized;
break;
}
}
var currentNormal = face.Normal;
currentNormal.Scale(Math.Sign(proBuilderShape.size));
targetedNormal.Scale(Math.Sign(proBuilderShape.size));
Vector3 rotationAxis = Vector3.Cross(currentNormal, targetedNormal);
var angle = Vector3.SignedAngle(currentNormal, targetedNormal, rotationAxis);
s_ShapeRotation = Quaternion.AngleAxis(angle, rotationAxis);
s_CurrentAngle = (s_CurrentAngle + angle) % 360;
hasRotated = true;
}
s_CurrentId = -1;
}
break;
case EventType.Layout:
for (int i = 0; i < 4; i++)
{
var rectPos = 0.8f * s_ArrowsLines[i][1] + 0.2f * face.CenterPosition;
float dist = HandleUtility.DistanceToRectangle(rectPos,
Quaternion.LookRotation(face.Normal),
HandleUtility.GetHandleSize(face.CenterPosition) * s_DefaultMidpointSquareSize / 2f);
HandleUtility.AddControl(k_OrientationControlIDs[i], dist);
}
break;
case EventType.Repaint:
if (s_CurrentArrowHovered != HandleUtility.nearestControl)
{
s_CurrentAngle = 0f;
}
int pointsCount = face.Points.Length;
s_CurrentArrowHovered = -1;
for (int i = 0; i < pointsCount; i++)
{
var rectHandleSize = HandleUtility.GetHandleSize(face.CenterPosition) * s_DefaultMidpointSquareSize;
var sideDirection = (face.Points[(i + 1) % pointsCount] - face.Points[i]).normalized;
var arrowDirection = Vector3.Cross(face.Normal.normalized, sideDirection).normalized;
var topDirection = 2.5f * rectHandleSize * arrowDirection;
var top = face.CenterPosition + topDirection;
var A = topDirection.magnitude;
var a = 0.33f * Mathf.Sqrt(2f * A * A);
var h = 0.5f * Mathf.Sqrt(2f * a * a);
s_ArrowsLines[i][0] = top - (h * arrowDirection + h * sideDirection);
s_ArrowsLines[i][1] = top;
s_ArrowsLines[i][2] = top - (h * arrowDirection - h * sideDirection);
bool selected = HandleUtility.nearestControl == k_OrientationControlIDs[i];
Color color = selected
? EditorHandleDrawing.edgeSelectedColor
: k_BoundsHandleColor;
color.a = 1.0f;
using (new Handles.DrawingScope(color))
{
Handles.DrawAAPolyLine(5f, s_ArrowsLines[i]);
if (selected)
{
EditorGUIUtility.AddCursorRect(new Rect(0, 0, Screen.width, Screen.height), MouseCursor.RotateArrow);
s_CurrentArrowHovered = HandleUtility.nearestControl;
Handles.DrawAAPolyLine(3f,
new Vector3[]
{
Vector3.Scale(proBuilderShape.rotation * Vector3.up, proBuilderShape.size / 2f),
Vector3.zero,
Vector3.Scale(proBuilderShape.rotation * Vector3.forward, proBuilderShape.size / 2f)
});
}
}
}
break;
case EventType.MouseDrag:
if (k_OrientationControlIDs.Contains(s_CurrentId) && HandleUtility.nearestControl != s_CurrentId)
{
GUIUtility.hotControl = 0;
s_CurrentId = -1;
}
break;
}
return(hasRotated);
}
public override ShapeState DoState(Event evt)
{
if (evt.type == EventType.KeyDown)
{
switch (evt.keyCode)
{
case KeyCode.Escape:
ToolManager.RestorePreviousTool();
break;
}
}
if (tool.m_LastShapeCreated != null)
{
EditShapeTool.DoEditingHandles(tool.m_LastShapeCreated, true);
}
if (evt.isMouse && HandleUtility.nearestControl == tool.controlID)
{
var res = EditorHandleUtility.FindBestPlaneAndBitangent(evt.mousePosition);
Ray ray = HandleUtility.GUIPointToWorldRay(evt.mousePosition);
float hit;
if (res.item1.Raycast(ray, out hit))
{
//Plane init
tool.m_Plane = res.item1;
tool.m_PlaneForward = res.item2;
tool.m_PlaneRight = Vector3.Cross(tool.m_Plane.normal, tool.m_PlaneForward);
var planeNormal = tool.m_Plane.normal;
var planeCenter = tool.m_Plane.normal * -tool.m_Plane.distance;
// if hit point on plane is cardinal axis and on grid, snap to grid.
if (Math.IsCardinalAxis(planeNormal))
{
const float epsilon = .00001f;
bool offGrid = false;
Vector3 snapVal = EditorSnapping.activeMoveSnapValue;
Vector3 center =
Vector3.Scale(ProBuilderSnapping.GetSnappingMaskBasedOnNormalVector(planeNormal),
planeCenter);
for (int i = 0; i < 3; i++)
{
offGrid |= Mathf.Abs(snapVal[i] % center[i]) > epsilon;
}
tool.m_IsOnGrid = !offGrid;
}
else
{
tool.m_IsOnGrid = false;
}
m_HitPosition = tool.GetPoint(ray.GetPoint(hit));
//Click has been done => Define a plane for the tool
if (evt.type == EventType.MouseDown)
{
//BB init
tool.m_BB_Origin = m_HitPosition;
tool.m_BB_HeightCorner = tool.m_BB_Origin;
tool.m_BB_OppositeCorner = tool.m_BB_Origin;
return(NextState());
}
}
else
{
m_HitPosition = Vector3.negativeInfinity;
}
}
if (GUIUtility.hotControl == 0 && evt.shift && !(evt.control || evt.command))
{
tool.DuplicatePreview(m_HitPosition);
}
else if (tool.m_DuplicateGO != null)
{
Object.DestroyImmediate(tool.m_DuplicateGO);
}
// Repaint to visualize the placement preview dot
if (evt.type == EventType.MouseMove && HandleUtility.nearestControl == tool.controlID)
{
HandleUtility.Repaint();
}
if (evt.type == EventType.Repaint)
{
if (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == tool.controlID)
{
using (new Handles.DrawingScope(EditorHandleDrawing.vertexSelectedColor))
{
Handles.DotHandleCap(-1, m_HitPosition, Quaternion.identity,
HandleUtility.GetHandleSize(m_HitPosition) * 0.05f, EventType.Repaint);
}
}
if (GUIUtility.hotControl == 0 && evt.shift && !(evt.control || evt.command))
{
tool.DrawBoundingBox(false);
}
}
return(this);
}
static ShapeBuilder GetActiveShapeBuilder()
{
return(s_ShapeBuilders[PMath.Clamp(s_CurrentIndex, 0, s_ShapeBuilders.Length - 1)]);
}
static void DoSizeHandles(ProBuilderShape proBuilderShape, bool updatePrefs)
{
int faceCount = s_Faces.Length;
var evt = Event.current;
var is2D = proBuilderShape.shape is Plane || proBuilderShape.shape is Sprite;
for (int i = 0; i < faceCount; i++)
{
var face = faces[i];
if (is2D && !face.IsValid)
{
continue;
}
if (Event.current.type == EventType.Repaint)
{
Color color = k_BoundsHandleColor;
color.a *= face.IsVisible ? 1f : 0.5f;
using (new Handles.DrawingScope(color))
{
int pointsCount = face.Points.Length;
for (int k = 0; k < pointsCount; k++)
{
Handles.DrawLine(face.Points[k], face.Points[(k + 1) % pointsCount]);
}
}
}
if (DoFaceSizeHandle(face))
{
float modifier = 1f;
if (evt.alt)
{
modifier = 2f;
}
if (!s_SizeManipulationInit)
{
s_StartCenter = proBuilderShape.transform.position + proBuilderShape.transform.TransformVector(proBuilderShape.shapeBox.center);
s_StartPosition = face.CenterPosition;
s_StartSize = proBuilderShape.size;
s_SizeManipulationInit = true;
s_Scaling = Vector3.Scale(face.Normal, Math.Sign(s_StartSize));
}
var targetDelta = modifier * (s_TargetSize - s_StartPosition);
targetDelta.Scale(s_Scaling);
var targetSize = s_StartSize + targetDelta;
var snap = Math.IsCardinalAxis(proBuilderShape.transform.up) && EditorSnapSettings.gridSnapEnabled ?
EditorSnapping.activeMoveSnapValue :
Vector3.zero;
targetSize = ProBuilderSnapping.Snap(targetSize, snap);
var center = Vector3.zero;
if (!evt.alt)
{
center = Vector3.Scale((targetSize - s_StartSize) / 2f, s_Scaling);
center = Vector3.Scale(center, Math.Sign(proBuilderShape.transform.lossyScale));
center = proBuilderShape.transform.TransformVector(center);
}
ApplyProperties(proBuilderShape, s_StartCenter + center, targetSize);
if (updatePrefs)
{
DrawShapeTool.SaveShapeParams(proBuilderShape);
}
}
}
}
