static private RaycastGUIPointToWorldHit ( Vector2 guiPoint, |
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guiPoint | Vector2 | |
plane | ||
hit | Vector3 | |
return | bool |
private static Vector3 MoveHandlesGUI(Rect rect, Vector3 pivot, Quaternion rotation) { int controlID = GUIUtility.GetControlID(RectTool.s_MoveHandleHash, FocusType.Passive); Vector3 vector = pivot; float num = HandleUtility.GetHandleSize(pivot) * 0.2f; float num2 = 1f - GUI.color.a; Vector3[] array = new Vector3[] { rotation *new Vector2(rect.x, rect.y) + pivot, rotation *new Vector2(rect.xMax, rect.y) + pivot, rotation *new Vector2(rect.xMax, rect.yMax) + pivot, rotation *new Vector2(rect.x, rect.yMax) + pivot }; VertexSnapping.HandleKeyAndMouseMove(controlID); bool flag = Selection.transforms.Length == 1 && InternalEditorUtility.SupportsRectLayout(Selection.activeTransform) && Selection.activeTransform.parent.rotation == rotation; Event current = Event.current; EventType typeForControl = current.GetTypeForControl(controlID); Plane plane = new Plane(array[0], array[1], array[2]); switch (typeForControl) { case EventType.MouseDown: { bool flag2 = Tools.vertexDragging || (current.button == 0 && current.modifiers == EventModifiers.None && RectHandles.RaycastGUIPointToWorldHit(current.mousePosition, plane, out RectTool.s_StartMouseWorldPos) && (RectTool.SceneViewDistanceToRectangle(array, current.mousePosition) == 0f || (num2 > 0f && RectTool.SceneViewDistanceToDisc(pivot, rotation * Vector3.forward, num, current.mousePosition) == 0f))); if (flag2) { RectTool.s_StartPosition = pivot; RectTool.s_StartMousePos = (RectTool.s_CurrentMousePos = current.mousePosition); RectTool.s_Moving = false; RectTool.s_LockAxis = -1; int num3 = controlID; GUIUtility.keyboardControl = num3; GUIUtility.hotControl = num3; EditorGUIUtility.SetWantsMouseJumping(1); HandleUtility.ignoreRaySnapObjects = null; current.Use(); if (flag) { Transform activeTransform = Selection.activeTransform; RectTransform component = activeTransform.GetComponent <RectTransform>(); Transform parent = activeTransform.parent; RectTransform component2 = parent.GetComponent <RectTransform>(); RectTool.s_StartRectPosition = component.anchoredPosition; RectTransformSnapping.CalculatePositionSnapValues(parent, activeTransform, component2, component); } } break; } case EventType.MouseUp: if (GUIUtility.hotControl == controlID) { if (!RectTool.s_Moving) { Selection.activeGameObject = SceneViewPicking.PickGameObject(current.mousePosition); } GUIUtility.hotControl = 0; EditorGUIUtility.SetWantsMouseJumping(0); HandleUtility.ignoreRaySnapObjects = null; current.Use(); } break; case EventType.MouseDrag: if (GUIUtility.hotControl == controlID) { RectTool.s_CurrentMousePos += current.delta; if (!RectTool.s_Moving && (RectTool.s_CurrentMousePos - RectTool.s_StartMousePos).magnitude > 3f) { RectTool.s_Moving = true; RectHandles.RaycastGUIPointToWorldHit(RectTool.s_CurrentMousePos, plane, out RectTool.s_StartMouseWorldPos); } if (RectTool.s_Moving) { if (Tools.vertexDragging) { if (HandleUtility.ignoreRaySnapObjects == null) { Handles.SetupIgnoreRaySnapObjects(); } Vector3 vector2; if (HandleUtility.FindNearestVertex(RectTool.s_CurrentMousePos, null, out vector2)) { vector = vector2; GUI.changed = true; } ManipulationToolUtility.minDragDifference = Vector2.zero; } else { ManipulationToolUtility.SetMinDragDifferenceForPos(pivot); Vector3 a; if (RectHandles.RaycastGUIPointToWorldHit(RectTool.s_CurrentMousePos, plane, out a)) { Vector3 vector3 = a - RectTool.s_StartMouseWorldPos; if (current.shift) { vector3 = Quaternion.Inverse(rotation) * vector3; if (RectTool.s_LockAxis == -1) { RectTool.s_LockAxis = ((Mathf.Abs(vector3.x) <= Mathf.Abs(vector3.y)) ? 1 : 0); } vector3[1 - RectTool.s_LockAxis] = 0f; vector3 = rotation * vector3; } else { RectTool.s_LockAxis = -1; } if (flag) { Transform parent2 = Selection.activeTransform.parent; Vector3 vector4 = RectTool.s_StartRectPosition + parent2.InverseTransformVector(vector3); vector4.z = 0f; Quaternion rotation2 = Quaternion.Inverse(rotation); Vector2 snapDistance = Vector2.one * HandleUtility.GetHandleSize(vector) * 0.05f; snapDistance.x /= (rotation2 * parent2.TransformVector(Vector3.right)).x; snapDistance.y /= (rotation2 * parent2.TransformVector(Vector3.up)).y; Vector3 vector5 = RectTransformSnapping.SnapToGuides(vector4, snapDistance); ManipulationToolUtility.DisableMinDragDifferenceBasedOnSnapping(vector4, vector5); vector3 = parent2.TransformVector(vector5 - RectTool.s_StartRectPosition); } vector = RectTool.s_StartPosition + vector3; GUI.changed = true; } } } current.Use(); } break; case EventType.Repaint: if (Tools.vertexDragging) { RectHandles.RectScalingHandleCap(controlID, pivot, rotation, 1f, EventType.Repaint); } else { Handles.color = Handles.secondaryColor * new Color(1f, 1f, 1f, 1.5f * num2); Handles.CircleCap(controlID, pivot, rotation, num); Handles.color = Handles.secondaryColor * new Color(1f, 1f, 1f, 0.3f * num2); Handles.DrawSolidDisc(pivot, rotation * Vector3.forward, num); } break; } ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingPosX", typeForControl); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingLeft", typeForControl); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingRight", typeForControl); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingPosY", typeForControl); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingTop", typeForControl); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingBottom", typeForControl); return(vector); }
static Vector3 MoveHandlesGUI(Rect rect, Vector3 pivot, Quaternion rotation) { int id = GUIUtility.GetControlID(s_MoveHandleHash, FocusType.Passive); Vector3 newPos = pivot; float discSize = HandleUtility.GetHandleSize(pivot) * 0.2f; float discOpacity = (1 - GUI.color.a); Vector3[] corners = new Vector3[4]; corners[0] = rotation * new Vector2(rect.x, rect.y) + pivot; corners[1] = rotation * new Vector2(rect.xMax, rect.y) + pivot; corners[2] = rotation * new Vector2(rect.xMax, rect.yMax) + pivot; corners[3] = rotation * new Vector2(rect.x, rect.yMax) + pivot; VertexSnapping.HandleMouseMove(id); bool supportsRectSnapping = Selection.transforms.Length == 1 && UnityEditorInternal.InternalEditorUtility.SupportsRectLayout(Selection.activeTransform) && Selection.activeTransform.parent.rotation == rotation; Event evt = Event.current; EventType eventType = evt.GetTypeForControl(id); Plane guiPlane = new Plane(corners[0], corners[1], corners[2]); switch (eventType) { case EventType.MouseDown: { bool acceptClick = false; if (Tools.vertexDragging) { acceptClick = true; } else { acceptClick = evt.button == 0 && evt.modifiers == 0 && RectHandles.RaycastGUIPointToWorldHit(evt.mousePosition, guiPlane, out s_StartMouseWorldPos) && ( SceneViewDistanceToRectangle(corners, evt.mousePosition) == 0f || (discOpacity > 0 && SceneViewDistanceToDisc(pivot, rotation * Vector3.forward, discSize, evt.mousePosition) == 0f) ); } if (acceptClick) { s_StartPosition = pivot; s_StartMousePos = s_CurrentMousePos = evt.mousePosition; s_Moving = false; s_LockAxis = -1; GUIUtility.hotControl = GUIUtility.keyboardControl = id; EditorGUIUtility.SetWantsMouseJumping(1); HandleUtility.ignoreRaySnapObjects = null; evt.Use(); // Calculate snapping values if applicable if (supportsRectSnapping) { Transform transform = Selection.activeTransform; RectTransform rectTransform = transform.GetComponent <RectTransform>(); Transform transformParent = transform.parent; RectTransform rectTransformParent = transformParent.GetComponent <RectTransform>(); s_StartRectPosition = rectTransform.anchoredPosition; RectTransformSnapping.CalculatePositionSnapValues(transformParent, transform, rectTransformParent, rectTransform); } } break; } case EventType.MouseDrag: { if (GUIUtility.hotControl == id) { s_CurrentMousePos += evt.delta; if (!s_Moving && (s_CurrentMousePos - s_StartMousePos).magnitude > 3f) { s_Moving = true; // Re-raycast to get start mouse pos when effective dragging starts. // This prevents a sudden unsnap when the dragging is enabled. RectHandles.RaycastGUIPointToWorldHit(s_CurrentMousePos, guiPlane, out s_StartMouseWorldPos); } if (s_Moving) { if (Tools.vertexDragging) { if (HandleUtility.ignoreRaySnapObjects == null) { Handles.SetupIgnoreRaySnapObjects(); } Vector3 near; if (HandleUtility.FindNearestVertex(s_CurrentMousePos, null, out near)) { // Snap position based on found near vertex newPos = near; GUI.changed = true; } ManipulationToolUtility.minDragDifference = Vector2.zero; } else { ManipulationToolUtility.SetMinDragDifferenceForPos(pivot); Vector3 pos; if (RectHandles.RaycastGUIPointToWorldHit(s_CurrentMousePos, guiPlane, out pos)) { Vector3 offset = pos - s_StartMouseWorldPos; // Snap to axis if (evt.shift) { // Get offset in rect handles space offset = Quaternion.Inverse(rotation) * offset; // Determine lock axis if not already set if (s_LockAxis == -1) { s_LockAxis = Mathf.Abs(offset.x) > Mathf.Abs(offset.y) ? 0 : 1; } // Cancel mocement on other axis offset[1 - s_LockAxis] = 0; // Put offset back in world space offset = rotation * offset; } else { s_LockAxis = -1; } if (supportsRectSnapping) { Transform transformParent = Selection.activeTransform.parent; Vector3 rectPosition = s_StartRectPosition + transformParent.InverseTransformVector(offset); rectPosition.z = 0; Quaternion inverseRotation = Quaternion.Inverse(rotation); Vector2 snapSize = Vector2.one * HandleUtility.GetHandleSize(newPos) * RectTransformSnapping.kSnapThreshold; snapSize.x /= (inverseRotation * transformParent.TransformVector(Vector3.right)).x; snapSize.y /= (inverseRotation * transformParent.TransformVector(Vector3.up)).y; Vector3 newRectPosition = RectTransformSnapping.SnapToGuides(rectPosition, snapSize); ManipulationToolUtility.DisableMinDragDifferenceBasedOnSnapping(rectPosition, newRectPosition); offset = transformParent.TransformVector(newRectPosition - s_StartRectPosition); } newPos = s_StartPosition + offset; GUI.changed = true; } } } evt.Use(); } break; } case EventType.MouseUp: { if (GUIUtility.hotControl == id) { if (!s_Moving) { Selection.activeGameObject = SceneViewPicking.PickGameObject(evt.mousePosition); } GUIUtility.hotControl = 0; EditorGUIUtility.SetWantsMouseJumping(0); HandleUtility.ignoreRaySnapObjects = null; evt.Use(); } break; } case EventType.Repaint: { if (Tools.vertexDragging) { RectHandles.RectScalingHandleCap(id, pivot, rotation, 1, EventType.Repaint); } else { Handles.color = Handles.secondaryColor * new Color(1, 1, 1, 1.5f * discOpacity); Handles.CircleHandleCap(id, pivot, rotation, discSize, EventType.Repaint); Handles.color = Handles.secondaryColor * new Color(1, 1, 1, 0.3f * discOpacity); Handles.DrawSolidDisc(pivot, rotation * Vector3.forward, discSize); } break; } } ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp(kChangingPosX, eventType); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp(kChangingLeft, eventType); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp(kChangingRight, eventType); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp(kChangingPosY, eventType); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp(kChangingTop, eventType); ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp(kChangingBottom, eventType); return(newPos); }