public static void ShowPathLines(Path2D aPathRaw, Matrix4x4 aTransform, bool aShowControls, Path2D.Plane aPlane, PathEditorVisuals aVisuals)
{
if (aShowControls)
{
Handles.color = aVisuals.colorControlLine;
for (int i = 0; i < aPathRaw.Count; i++)
{
PointControl c = aPathRaw.GetControls(i);
Vector3 pt = aTransform.MultiplyPoint3x4(Plane(aPathRaw[i], aPlane));
if (c.type == PointType.Auto || c.type == PointType.AutoSymmetrical)
{
Handles.DrawDottedLines(new Vector3[] { pt + aTransform.MultiplyVector(Plane(c.controlPrev, aPlane)), pt, pt, pt + aTransform.MultiplyVector(Plane(c.controlNext, aPlane)) }, 4);
}
else if (c.type == PointType.Free)
{
Handles.DrawPolyLine(pt + aTransform.MultiplyVector(Plane(c.controlPrev, aPlane)), pt, pt + aTransform.MultiplyVector(Plane(c.controlNext, aPlane)));
}
else if (c.type == PointType.Locked)
{
Handles.DrawPolyLine(pt + aTransform.MultiplyVector(Plane(c.controlPrev, aPlane)), pt + aTransform.MultiplyVector(Plane(-c.controlPrev, aPlane)));
}
else if (c.type == PointType.CircleCorner)
{
Vector3 end1 = PathUtil.GetRoundedCornerEnd(i, aPathRaw.GetPathRaw(), aPathRaw.GetControls(), aPathRaw.Closed, c.radius, true);
Handles.DrawDottedLine(pt, aTransform.MultiplyPoint(Plane(end1, aPlane)), 4);
Vector3 end2 = PathUtil.GetRoundedCornerEnd(i, aPathRaw.GetPathRaw(), aPathRaw.GetControls(), aPathRaw.Closed, c.radius, false);
Handles.DrawDottedLine(pt, aTransform.MultiplyPoint(Plane(end2, aPlane)), 4);
Vector3 center = Vector2.Lerp(end1.xy() - aPathRaw[i], end2.xy() - aPathRaw[i], 0.5f).normalized *(c.radius + 0.2f);
Handles.DrawLine(pt, pt + aTransform.MultiplyVector(Plane(center, aPlane)));
}
}
}
Handles.color = aVisuals.colorLine;
Handles.matrix = aTransform;
EditorTools.DrawPolyLine(aPathRaw.GetFinalPath(), aPathRaw.Closed);
Handles.matrix = Matrix4x4.identity;
}
public static List <Vector3> GetAllHandleLocations(Matrix4x4 aTransform, Path2D aPathRaw, bool aShowShiftAdd = true, Path2D.Plane aPlane = Path2D.Plane.XY)
{
List <Vector3> result = new List <Vector3>();
List <Vector2> points = aPathRaw.GetPathRaw();
List <PointControl> controls = aPathRaw.GetControls();
bool showControls = !Event.current.shift && !Event.current.alt;
// add all points
List <Vector3> worldPoints = PathUtil.To3D(points, aTransform, aPlane == Path2D.Plane.XY ? PathUtil.ConvertOptions.XY : PathUtil.ConvertOptions.XZ);
result.AddRange(worldPoints);
// add the control points
if (showControls)
{
for (int i = 0; i < points.Count; i++)
{
PointControl ctrl = controls[i];
PointType t = ctrl.type;
Vector3 at = worldPoints[i];
if (t == PointType.CircleCorner)
{
Vector3 end1 = PathUtil.GetRoundedCornerEnd(i, points, controls, aPathRaw.Closed, ctrl.radius, true);
Vector3 end2 = PathUtil.GetRoundedCornerEnd(i, points, controls, aPathRaw.Closed, ctrl.radius, false);
Vector3 normal = Vector2.Lerp(end1.xy() - points[i], end2.xy() - points[i], 0.5f).normalized;
result.Add(at + aTransform.MultiplyVector(Plane(normal * (ctrl.radius + 0.2f), aPlane)));
}
else if (t == PointType.Free || t == PointType.Locked)
{
Vector3 v = aTransform.MultiplyVector(Plane(ctrl.controlPrev, aPlane)) + at;
result.Add(v);
if (t == PointType.Locked)
{
v = -aTransform.MultiplyVector(Plane(ctrl.controlPrev, aPlane)) + at;
}
else
{
v = aTransform.MultiplyVector(Plane(ctrl.controlNext, aPlane)) + at;
}
result.Add(v);
}
}
}
// create the plane on which all edits occur
Plane editPlane;
if (aPlane == Path2D.Plane.XY)
{
editPlane = new Plane(aTransform.MultiplyPoint3x4(Vector3.zero), aTransform.MultiplyPoint3x4(Vector3.right), aTransform.MultiplyPoint3x4(Vector3.up));
}
else
{
editPlane = new Plane(aTransform.MultiplyPoint3x4(Vector3.zero), aTransform.MultiplyPoint3x4(Vector3.right), aTransform.MultiplyPoint3x4(Vector3.forward));
}
// add shift-add handle
if (Event.current.shift && aShowShiftAdd)
{
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
float dist = 0;
if (editPlane.Raycast(r, out dist))
{
result.Add(r.GetPoint(dist));
}
}
return(result);
}
private static void ShowHandles(Path2D aPathRaw, int aIndex, Matrix4x4 aTransform, Matrix4x4 aInvTransform, SerializedProperty aPath, bool aShowMeta, bool aUnlock, Path2D.Plane aPlane, Plane aEditPlane, PathEditorVisuals aVisuals)
{
PointControl ctrl = aPathRaw.GetControls(aIndex);
bool locked = ctrl.type == PointType.Locked;
Vector3 at = aTransform.MultiplyPoint3x4(Plane(aPathRaw[aIndex], aPlane));
if (ctrl.type == PointType.Auto || ctrl.type == PointType.AutoSymmetrical || ctrl.type == PointType.Sharp)
{
}
else if (ctrl.type == PointType.CircleCorner)
{
if (aPathRaw.Closed || (aIndex != 0 && aIndex != aPathRaw.Count - 1))
{
float size = HandleUtility.GetHandleSize(at);
float radiusOffset = .2f;
Vector3 end1 = PathUtil.GetRoundedCornerEnd(aIndex, aPathRaw.GetPathRaw(), aPathRaw.GetControls(), aPathRaw.Closed, ctrl.radius, true);
Vector3 end2 = PathUtil.GetRoundedCornerEnd(aIndex, aPathRaw.GetPathRaw(), aPathRaw.GetControls(), aPathRaw.Closed, ctrl.radius, false);
Vector3 normal = Vector2.Lerp(end1.xy() - aPathRaw[aIndex], end2.xy() - aPathRaw[aIndex], 0.5f).normalized;
Vector3 v = aTransform.MultiplyVector(Plane(normal * (ctrl.radius + radiusOffset), aPlane)) + at;
Vector3 nV = Handles.FreeMoveHandle(v,
SceneView.lastActiveSceneView.camera.transform.rotation,
size * aVisuals.sizeControlHandle,
Vector3.zero,
aVisuals.capControlHandle);
if (nV != v)
{
SerializedProperty radius = aPath.FindPropertyRelative("_pointControls").GetArrayElementAtIndex(aIndex).FindPropertyRelative("radius");
nV = EditorTools.ProjectPoint(nV, aEditPlane);
nV -= at;
nV = aInvTransform.MultiplyVector(nV);
Vector2 newPos = Deplane(nV, aPlane);
radius.floatValue = SnapScale(radius.floatValue, Mathf.Max(0, newPos.magnitude - radiusOffset), PathSnap.World);
_recentInteract = aIndex;
GUI.changed = true;
}
if (aShowMeta)
{
string txt = Math.Round(ctrl.radius, 2).ToString();
Handles.Label(v, txt, ShadowStyle);
Handles.Label(v, txt, LabelStyle);
}
}
}
else
{
Vector2 newPos;
Vector3 v = aTransform.MultiplyVector(Plane(ctrl.controlPrev, aPlane)) + at;
Vector3 nV = Handles.FreeMoveHandle(v,
SceneView.lastActiveSceneView.camera.transform.rotation,
HandleUtility.GetHandleSize(v) * aVisuals.sizeControlHandle,
Vector3.zero,
aVisuals.capControlHandle);
if (nV != v)
{
SerializedProperty controlProp = aPath.FindPropertyRelative("_pointControls").GetArrayElementAtIndex(aIndex);
SerializedProperty type = controlProp.FindPropertyRelative("type");
SerializedProperty prev = controlProp.FindPropertyRelative("controlPrev");
nV = EditorTools.ProjectPoint(nV, aEditPlane);
nV -= at;
nV = aInvTransform.MultiplyVector(nV);
newPos = Deplane(nV, aPlane);
prev.vector2Value = SnapRadial(v, prev.vector2Value, newPos, aTransform, aInvTransform, PathSnap.World);
if (aUnlock)
{
ctrl.type = PointType.Free;
type.enumValueIndex = (int)ctrl.type;
}
_recentInteract = aIndex;
GUI.changed = true;
}
if (ctrl.type == PointType.Locked)
{
v = -aTransform.MultiplyVector(Plane(ctrl.controlPrev, aPlane)) + at;
}
else
{
v = aTransform.MultiplyVector(Plane(ctrl.controlNext, aPlane)) + at;
}
nV = Handles.FreeMoveHandle(v,
SceneView.lastActiveSceneView.camera.transform.rotation,
HandleUtility.GetHandleSize(v) * aVisuals.sizeControlHandle,
Vector3.zero,
aVisuals.capControlHandle);
if (nV != v)
{
SerializedProperty controlProp = aPath.FindPropertyRelative("_pointControls").GetArrayElementAtIndex(aIndex);
SerializedProperty type = controlProp.FindPropertyRelative("type");
SerializedProperty prev = controlProp.FindPropertyRelative("controlPrev");
SerializedProperty next = controlProp.FindPropertyRelative("controlNext");
nV = EditorTools.ProjectPoint(nV, aEditPlane);
nV -= at;
nV = aInvTransform.MultiplyVector(nV);
if (aUnlock)
{
ctrl.type = PointType.Free;
type.enumValueIndex = (int)ctrl.type;
}
if (ctrl.type == PointType.Locked)
{
newPos = Deplane(-nV, aPlane);
prev.vector2Value = SnapRadial(v, prev.vector2Value, newPos, aTransform, aInvTransform, PathSnap.World);
}
else
{
newPos = Deplane(nV, aPlane);
next.vector2Value = SnapRadial(v, next.vector2Value, newPos, aTransform, aInvTransform, PathSnap.World);
}
_recentInteract = aIndex;
GUI.changed = true;
}
if (aShowMeta)
{
bool xz = aPlane == Path2D.Plane.XZ;
Vector2 prop2 = (locked?ctrl.controlPrev:ctrl.controlNext);
Vector3 handle1 = aTransform.MultiplyVector(Plane(ctrl.controlPrev, aPlane)) + at;
Vector3 handle2 = (locked?-1:1) * aTransform.MultiplyVector(Plane((locked?ctrl.controlPrev:ctrl.controlNext), aPlane)) + at;
float ang1 = PathUtil.ClockwiseAngle(ctrl.controlPrev, Vector2.right); //Vector2.Angle(prev.vector2Value, Vector2.right);
float ang2 = PathUtil.ClockwiseAngle((locked?-1:1) * prop2, Vector2.right); //Vector2.Angle(prop2.vector2Value, Vector2.right);
float mag1 = ctrl.controlPrev.magnitude;
float mag2 = prop2.magnitude;
Vector3 pos = Vector3.Lerp(handle1, at, 0.5f);
string txt = Math.Round(mag1, 2).ToString();
Handles.Label(pos, txt, ShadowStyle); Handles.Label(pos, txt, LabelStyle);
pos = Vector3.Lerp(handle2, at, 0.5f);
txt = Math.Round(mag2, 2).ToString();
Handles.Label(pos, txt, ShadowStyle); Handles.Label(pos, txt, LabelStyle);
pos = handle1;
txt = "\u00B0" + Mathf.Round(ang1);
Handles.Label(pos, txt, ShadowStyle); Handles.Label(pos, txt, LabelStyle);
pos = handle2;
txt = "\u00B0" + Mathf.Round(ang2);
Handles.Label(pos, txt, ShadowStyle); Handles.Label(pos, txt, LabelStyle);
if (ctrl.type == PointType.Free)
{
if (ang2 < ang1)
{
ang2 += 360;
}
float ang = ang2 - ang1;
float halfAng = ang1 + ang / 2;
float arcRadius = HandleUtility.GetHandleSize(at) * aVisuals.sizeVertex * 1.75f;
Vector3 centerArc = new Vector3(Mathf.Cos(halfAng * Mathf.Deg2Rad), Mathf.Sin(halfAng * Mathf.Deg2Rad), 0);
if (xz)
{
centerArc = new Vector3(centerArc.x, 0, centerArc.y);
}
centerArc = aTransform.MultiplyVector(centerArc);
var centeredStyle = new GUIStyle(GUI.skin.label);
centeredStyle.contentOffset = new Vector2(-9, -9);
centeredStyle.normal.textColor = new Color(0, 0, 0, 0.5f);
Handles.Label(at + centerArc * arcRadius * 2f, "\u00B0" + Mathf.Round(ang), centeredStyle);
centeredStyle.contentOffset = new Vector2(-10, -10);
centeredStyle.normal.textColor = Color.white;
Handles.Label(at + centerArc * arcRadius * 2f, "\u00B0" + Mathf.Round(ang), centeredStyle);
Handles.DrawWireArc(at, aPlane == Path2D.Plane.XY?Vector3.forward:Vector3.up, ((xz?handle2:handle1) - at).normalized, ang, arcRadius);
}
}
}
}
private static void ShowShiftAdd(Path2D aPathRaw, Matrix4x4 aTransform, Matrix4x4 aInvTransform, SerializedProperty aPath, Action <SerializedProperty, int> aOnAddPoint, Path2D.Plane aPlane, Plane aEditPlane, PathEditorVisuals aVisuals)
{
if (Event.current.type == EventType.MouseMove)
{
SceneView.RepaintAll();
}
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
float dist = 0;
if (aEditPlane.Raycast(r, out dist))
{
Vector3 worldPt = r.GetPoint(dist);
Vector3 localPt = aInvTransform.MultiplyPoint3x4(worldPt);
List <Vector2> points = aPathRaw.GetPathRaw();
int segment = PathUtil.GetClosestSegment(points, Deplane(localPt, aPlane), aPathRaw.Closed);
Vector3 p1 = points.Count == 0 ? worldPt : aTransform.MultiplyPoint3x4(Plane(points[segment], aPlane));
Vector3 p2 = points.Count == 0 ? worldPt : aTransform.MultiplyPoint3x4(Plane(points[PathUtil.WrapIndex(segment + 1, points.Count, aPathRaw.Closed)], aPlane));
float d1 = Vector3.Distance(p1, worldPt);
float d2 = Vector3.Distance(p2, worldPt);
int insertIndex = 0;
EditorGUIUtility.AddCursorRect(new Rect(0, 0, Screen.width, Screen.height), MouseCursor.ArrowPlus);
// draw dotted lines, and figure out what index we'll be adding to
if (!aPathRaw.Closed && segment == 0 && d1 < d2)
{
Handles.DrawDottedLine(p1, worldPt, 4);
insertIndex = 0;
}
else if (!aPathRaw.Closed && segment == points.Count - 2 && d2 < d1)
{
Handles.DrawDottedLine(p2, worldPt, 4);
insertIndex = points.Count;
}
else
{
Handles.DrawDottedLine(p1, worldPt, 4);
Handles.DrawDottedLine(p2, worldPt, 4);
insertIndex = segment + 1;
}
// do the add point button
if (Handles.Button(worldPt,
SceneView.lastActiveSceneView.camera.transform.rotation,
HandleUtility.GetHandleSize(worldPt) * aVisuals.sizeVertexAdd,
HandleUtility.GetHandleSize(worldPt) * aVisuals.sizeVertexAdd,
aVisuals.capVertexAdd))
{
AddPoint(aPath, Deplane(localPt, aPlane), insertIndex);
if (aOnAddPoint != null)
{
aOnAddPoint(aPath, insertIndex);
}
_recentInteract = insertIndex;
GUI.changed = true;
}
}
}