static bool DoFaceSizeHandle(FaceData face)
{
float handleSize = HandleUtility.GetHandleSize(face.CenterPosition) * s_DefaultMidpointHandleSize;
var snap = Vector3.Scale(EditorSnapping.incrementalSnapMoveValue, face.Normal).magnitude;
EditorGUI.BeginChangeCheck();
Color color = k_BoundsHandleColor;
color.a *= face.IsVisible ? 1f : 0.25f;
using (new Handles.DrawingScope(color))
s_TargetSize = Handles.Slider(face.CenterPosition, face.Normal, handleSize, Handles.DotHandleCap, snap);
if (EditorGUI.EndChangeCheck())
{
return(true);
}
if (GUIUtility.hotControl == 0)
{
s_SizeManipulationInit = false;
}
return(false);
}
static bool DoFaceSizeHandle(FaceData face, int controlID)
{
if (k_OrientationControlIDs.Contains(HandleUtility.nearestControl) && !EditorShapeUtility.PointerIsInFace(face))
{
return(false);
}
Event evt = Event.current;
float handleSize = HandleUtility.GetHandleSize(face.CenterPosition) * s_DefaultMidpointHandleSize;
bool isSelected = (HandleUtility.nearestControl == controlID && s_CurrentId == -1) || s_CurrentId == controlID;
switch (evt.GetTypeForControl(controlID))
{
case EventType.MouseDown:
if (HandleUtility.nearestControl == controlID && evt.button == 0)
{
s_CurrentId = controlID;
GUIUtility.hotControl = controlID;
s_StartMousePosition = evt.mousePosition;
s_SizeManipulationInit = false;
evt.Use();
SceneView.RepaintAll();
}
break;
case EventType.MouseUp:
if (GUIUtility.hotControl == controlID && evt.button == 0)
{
GUIUtility.hotControl = 0;
evt.Use();
s_CurrentId = -1;
s_SizeManipulationInit = false;
}
break;
case EventType.Layout:
HandleUtility.AddControl(controlID, HandleUtility.DistanceToLine(face.CenterPosition, face.CenterPosition) / 2f);
break;
case EventType.Repaint:
Color color = isSelected ? EditorHandleDrawing.edgeSelectedColor : k_BoundsHandleColor;
color.a *= face.IsVisible ? 1f : 0.25f;
using (new Handles.DrawingScope(color))
Handles.DotHandleCap(controlID, face.CenterPosition, Quaternion.identity, handleSize, EventType.Repaint);
break;
case EventType.MouseDrag:
if (s_CurrentId == controlID)
{
s_SizeDelta = HandleUtility.CalcLineTranslation(s_StartMousePosition, evt.mousePosition, s_StartPositionLocal, face.Normal);
return(true);
}
break;
}
return(false);
}
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);
}
