public static Vector3 Edge2DHandleOffset(int id, Vector3 from, Vector3 to, Vector3 position, Vector3 handleDir, Vector3 slideDir1, Vector3 slideDir2, float handleSize, CapFunction capFunction, Axes axes = Axes.None, Vector3?snappingSteps = null)
{
var evt = Event.current;
switch (evt.GetTypeForControl(id))
{
case EventType.Layout:
{
if (Tools.current == Tool.View ||
Tools.current == Tool.None ||
evt.alt)
{
break;
}
UnityEditor.HandleUtility.AddControl(id, UnityEditor.HandleUtility.DistanceToLine(from, to) * 0.5f);
break;
}
case EventType.Repaint:
{
var sceneView = SceneView.currentDrawingSceneView;
if (sceneView &&
Tools.current != Tool.View &&
Tools.current != Tool.None &&
!evt.alt)
{
if (UnityEditor.HandleUtility.nearestControl == id || EditorGUIUtility.hotControl == id)
{
var rect = sceneView.position;
rect.min = Vector2.zero;
EditorGUIUtility.AddCursorRect(rect, SceneHandleUtility.GetCursorForEdge(from, to));
}
}
if (EditorGUIUtility.keyboardControl == id)
{
SceneHandles.DrawAAPolyLine(3.0f, from, to);
}
else
{
SceneHandles.DrawAAPolyLine(2.5f, from, to);
}
break;
}
}
var points = new Vector3[] { from, to };
var result = Slider2D.Do(id, points, position, Vector3.zero, handleDir, slideDir1, slideDir2, handleSize, capFunction, axes, snappingSteps: snappingSteps);
return(result[0] - from);
}
public static void DrawEdgeHandle(int id, Vector3 from, Vector3 to, bool setCursor, bool renderEdge = true, bool setControl = true, MouseCursor?cursor = null)
{
var evt = Event.current;
switch (evt.GetTypeForControl(id))
{
case EventType.Layout:
{
if (setCursor && setControl)
{
if (InCameraOrbitMode)
{
break;
}
UnityEditor.HandleUtility.AddControl(id, UnityEditor.HandleUtility.DistanceToLine(from, to) * 0.5f);
}
break;
}
case EventType.Repaint:
{
if (setCursor &&
!InCameraOrbitMode)
{
if (!cursor.HasValue)
{
SetCursor(id, from, to);
}
else
{
SetCursor(id, cursor.Value);
}
}
if (renderEdge)
{
linePoints[0] = from;
linePoints[1] = to;
if (EditorGUIUtility.keyboardControl == id)
{
SceneHandles.DrawAAPolyLine(3.5f, linePoints);
}
else
{
SceneHandles.DrawAAPolyLine(2.5f, linePoints);
}
}
break;
}
}
}
public static Vector3 Edge1DHandleOffset(int id, Axis axis, Vector3 from, Vector3 to, Vector3 position, Vector3 direction, float snappingStep, float handleSize, CapFunction capFunction)
{
var evt = Event.current;
switch (evt.GetTypeForControl(id))
{
case EventType.Layout:
{
if (Tools.current == Tool.View ||
Tools.current == Tool.None ||
evt.alt)
{
break;
}
UnityEditor.HandleUtility.AddControl(id, UnityEditor.HandleUtility.DistanceToLine(from, to));
break;
}
case EventType.Repaint:
{
var sceneView = SceneView.currentDrawingSceneView;
if (sceneView &&
Tools.current != Tool.View &&
Tools.current != Tool.None &&
!evt.alt)
{
var rect = sceneView.position;
rect.min = Vector2.zero;
var hovering = UnityEditor.HandleUtility.nearestControl == id &&
UnityEditor.HandleUtility.DistanceToLine(from, to) < 10; // in case multiple edges share the same id, we want to ignore those that aren't even close
if (EditorGUIUtility.hotControl == id || hovering)
{
EditorGUIUtility.AddCursorRect(rect, SceneHandleUtility.GetCursorForEdge(from, to));
}
}
SceneHandles.DrawAAPolyLine(3.0f, from, to);
break;
}
}
var points = new Vector3[] { from, to };
var result = Slider1DHandle(id, axis, points, position, direction, snappingStep, handleSize, capFunction);
return(result[0] - from);
}
public static Vector3 Edge1DHandleOffset(int id, Axis axis, Vector3 from, Vector3 to, Vector3 position, Vector3 direction, float snappingStep, float handleSize, CapFunction capFunction)
{
if (snappingStep == 0)
{
snappingStep = Snapping.MoveSnappingSteps[(int)axis];
}
if (handleSize == 0)
{
handleSize = UnityEditor.HandleUtility.GetHandleSize(position) * 0.05f;
}
var evt = Event.current;
switch (evt.GetTypeForControl(id))
{
case EventType.Layout:
{
if (SceneHandles.InCameraOrbitMode)
{
break;
}
UnityEditor.HandleUtility.AddControl(id, UnityEditor.HandleUtility.DistanceToLine(from, to));
break;
}
case EventType.Repaint:
{
SetCursor(id, from, to);
linePoints[0] = from;
linePoints[1] = to;
SceneHandles.DrawAAPolyLine(3.0f, linePoints);
break;
}
}
var points = new Vector3[] { from, to };
var result = Slider1DHandle(id, axis, points, position, direction, snappingStep, handleSize, capFunction);
return(result[0] - from);
}
public static void DrawAngle(UnityEngine.Vector3 center, UnityEngine.Vector3 direction, UnityEngine.Vector3 axis, float angle)
{
var rotation = UnityEngine.Quaternion.AngleAxis(angle, axis);
var centerSize = UnityEditor.HandleUtility.GetHandleSize(center);
var maxSize = direction.magnitude;
var xdir = direction / maxSize;
//var ydir = UnityEngine.Vector3.Cross(xdir, axis);
var handleSize = Mathf.Min(centerSize, maxSize);
var drawAngle = UnityEngine.Mathf.Clamp(angle, -360, 360);
var realLength = Mathf.Max(1, Mathf.CeilToInt((anglePoints.Length / 360.0f) * Mathf.Abs(drawAngle)));
var pointSize = centerSize * 0.04f;
SceneHandles.color = SceneHandles.StateColor(SceneHandles.measureColor);
SceneHandles.DrawAAPolyLine(center + (xdir * pointSize), center + direction);
SceneHandles.DrawAAPolyLine(center + (rotation * (xdir * pointSize)), center + (rotation * direction));
SceneHandles.DrawWireDisc(center, Vector3.forward, pointSize);
direction = xdir * handleSize;
if (UnityEngine.Mathf.Abs(angle) > 0.0f)
{
var angleStep = drawAngle / realLength;
var curAngle = 0.0f;
for (int i = 0; i < realLength; i++)
{
anglePoints[i] = center + (UnityEngine.Quaternion.AngleAxis(curAngle, axis) * direction);
curAngle += angleStep;
}
SceneHandles.DrawDottedLines(anglePoints.Take(realLength).ToArray(), 4.0f);
rotation = UnityEngine.Quaternion.AngleAxis(angle, axis);
var right = rotation * Vector3.right;
var endPoint = center + (rotation * direction);
var arrowSize = handleSize * 0.2f; // UnityEditor.HandleUtility.GetHandleSize(endPoint) * 0.2f;
if (angle < 0.0f)
{
DrawFlatArrow(endPoint, -right, arrowSize);
}
else
{
DrawFlatArrow(endPoint, right, arrowSize);
}
}
Vector3 facing;
Vector3 position;
if (handleSize == maxSize)
{
facing = rotation * xdir;
position = center + (facing * handleSize);
}
else
{
var halfRotation = UnityEngine.Quaternion.AngleAxis(drawAngle / 2.0f, axis);
facing = halfRotation * xdir;
position = center;
}
DrawLabel(position, facing, 5, angle + "°");
}