UniversalViewer/Assets/Scripts/RuntimeGizmo/TransformGizmo.cs

1545 lines
64 KiB
C#

using System;
using UnityEngine;
using UnityEngine.Rendering;
using System.Collections.Generic;
using System.Collections;
using CommandUndoRedo;
using System.Linq;
using UnityEngine.EventSystems;
namespace RuntimeGizmos
{
//To be safe, if you are changing any transforms hierarchy, such as parenting an object to something,
//you should call ClearTargets before doing so just to be sure nothing unexpected happens... as well as call UndoRedoManager.Clear()
//For example, if you select an object that has children, move the children elsewhere, deselect the original object, then try to add those old children to the selection, I think it wont work.
[RequireComponent(typeof(Camera))]
public class TransformGizmo : MonoBehaviour
{
public TransformSpace space = TransformSpace.Global;
public TransformType transformType = TransformType.Move;
public TransformPivot pivot = TransformPivot.Pivot;
public CenterType centerType = CenterType.All;
public ScaleType scaleType = ScaleType.FromPoint;
public KeyCode changeModeHotkey = KeyCode.LeftAlt;
//These are the same as the unity editor hotkeys
public KeyCode SetMoveType = KeyCode.W;
public KeyCode SetRotateType = KeyCode.E;
public KeyCode SetScaleType = KeyCode.R;
//public KeyCode SetRectToolType = KeyCode.T;
public KeyCode SetAllTransformType = KeyCode.Y;
public KeyCode SetSpaceToggle = KeyCode.X;
public KeyCode SetPivotModeToggle = KeyCode.Z;
public KeyCode SetCenterTypeToggle = KeyCode.C;
public KeyCode SetScaleTypeToggle = KeyCode.S;
public KeyCode translationSnapping = KeyCode.LeftControl;
public KeyCode AddSelection = KeyCode.LeftShift;
public KeyCode RemoveSelection = KeyCode.LeftControl;
public string DevNote = "Action key is set to LeftControl at runtime! It's in Awake()";
public KeyCode ActionKey = KeyCode.LeftShift; //Its set to shift instead of control so that while in the editor we dont accidentally undo editor changes =/
public KeyCode UndoAction = KeyCode.Z;
public KeyCode RedoAction = KeyCode.Y;
public Color xColor = new Color(1, 0, 0, 0.8f);
public Color yColor = new Color(0, 1, 0, 0.8f);
public Color zColor = new Color(0, 0, 1, 0.8f);
public Color allColor = new Color(.7f, .7f, .7f, 0.8f);
public Color selectedColor = new Color(1, 1, 0, 0.8f);
public Color hoverColor = new Color(1, .75f, 0, 0.8f);
public float planesOpacity = .5f;
//public Color rectPivotColor = new Color(0, 0, 1, 0.8f);
//public Color rectCornerColor = new Color(0, 0, 1, 0.8f);
//public Color rectAnchorColor = new Color(.7f, .7f, .7f, 0.8f);
//public Color rectLineColor = new Color(.7f, .7f, .7f, 0.8f);
public float movementSnap = .25f;
public float rotationSnap = 15f;
public float scaleSnap = 1f;
public float handleLength = .25f;
public float handleWidth = .003f;
public float planeSize = .035f;
public float triangleSize = .03f;
public float boxSize = .03f;
public int circleDetail = 40;
public float allMoveHandleLengthMultiplier = 1f;
public float allRotateHandleLengthMultiplier = 1.4f;
public float allScaleHandleLengthMultiplier = 1.6f;
public float minSelectedDistanceCheck = .01f;
public float moveSpeedMultiplier = 1f;
public float scaleSpeedMultiplier = 1f;
public float rotateSpeedMultiplier = 1f;
public float allRotateSpeedMultiplier = 20f;
public bool useFirstSelectedAsMain = true;
//If circularRotationMethod is true, when rotating you will need to move your mouse around the object as if turning a wheel.
//If circularRotationMethod is false, when rotating you can just click and drag in a line to rotate.
public bool circularRotationMethod;
//Mainly for if you want the pivot point to update correctly if selected objects are moving outside the transformgizmo.
//Might be poor on performance if lots of objects are selected...
public bool forceUpdatePivotPointOnChange = true;
public int maxUndoStored = 100;
public bool manuallyHandleGizmo;
public LayerMask selectionMask = Physics.DefaultRaycastLayers;
public Action onCheckForSelectedAxis;
public Action onDrawCustomGizmo;
public Camera myCamera { get; private set; }
public bool isTransforming { get; private set; }
public float totalScaleAmount { get; private set; }
public Quaternion totalRotationAmount { get; private set; }
public Axis translatingAxis { get { return nearAxis; } }
public Axis translatingAxisPlane { get { return planeAxis; } }
public bool hasTranslatingAxisPlane { get { return translatingAxisPlane != Axis.None && translatingAxisPlane != Axis.Any; } }
public TransformType transformingType { get { return translatingType; } }
public Vector3 pivotPoint { get; private set; }
Vector3 totalCenterPivotPoint;
public Transform mainTargetRoot { get { return (targetRootsOrdered.Count > 0) ? (useFirstSelectedAsMain) ? targetRootsOrdered[0] : targetRootsOrdered[targetRootsOrdered.Count - 1] : null; } }
AxisInfo axisInfo;
Axis nearAxis = Axis.None;
Axis planeAxis = Axis.None;
TransformType translatingType;
AxisVectors handleLines = new AxisVectors();
AxisVectors handlePlanes = new AxisVectors();
AxisVectors handleTriangles = new AxisVectors();
AxisVectors handleSquares = new AxisVectors();
AxisVectors circlesLines = new AxisVectors();
//We use a HashSet and a List for targetRoots so that we get fast lookup with the hashset while also keeping track of the order with the list.
List<Transform> targetRootsOrdered = new List<Transform>();
Dictionary<Transform, TargetInfo> targetRoots = new Dictionary<Transform, TargetInfo>();
HashSet<Renderer> highlightedRenderers = new HashSet<Renderer>();
HashSet<Transform> children = new HashSet<Transform>();
List<Transform> childrenBuffer = new List<Transform>();
List<Renderer> renderersBuffer = new List<Renderer>();
List<Material> materialsBuffer = new List<Material>();
WaitForEndOfFrame waitForEndOFFrame = new WaitForEndOfFrame();
Coroutine forceUpdatePivotCoroutine;
static Material lineMaterial;
static Material outlineMaterial;
void Awake()
{
myCamera = GetComponent<Camera>();
SetMaterial();
#if !UNITY_EDITOR
ActionKey = KeyCode.LeftControl;
#endif
}
private void Start()
{
HandleManager.RegisterRuntimeGizmoUndoAction = (data) =>
{
var transformCommand = new HandleTransformCommand(this, data);
UndoRedoManager.Insert(transformCommand);
};
HandleManager.RegisterRuntimeGizmoUndoActions = (data) =>
{
CommandGroup commandGroup = new CommandGroup();
commandGroup.Set(data.Select(d=> new HandleTransformCommand(this, d)).ToList<ICommand>());
UndoRedoManager.Insert(commandGroup);
};
ModelViewerInterface.SetTooltip(0, $"H - show/hide this\r\n\r\nUndo:\t\t{ActionKey} + {UndoAction}\r\nRedo:\t\t{ActionKey} + {RedoAction}\r\n\r\nMove only: \t{changeModeHotkey} + {SetMoveType}\r\nRotate only: {changeModeHotkey} + {SetRotateType}\r\nScale only: \t{changeModeHotkey} + {SetScaleType}\r\nAll:\t \t{changeModeHotkey} + {SetAllTransformType}");
ModelViewerInterface.SetTooltip(1, $"\r\n\r\nSpace Toggle:\t{changeModeHotkey} + {SetSpaceToggle}\r\nPivot Toggle:\t{changeModeHotkey} + {SetPivotModeToggle}\r\nScale type toggle: \t{changeModeHotkey} + {SetScaleTypeToggle}\r\nCenter type toggle:{changeModeHotkey} + {SetCenterTypeToggle}");
ModelViewerMain.OnObjectDeleteEvent.AddListener((_) => ClearTargets());
}
private void RenderPipelineManager_endFrameRendering(ScriptableRenderContext context, Camera[] camera)
{
OnPostRender();
}
void OnEnable()
{
RenderPipelineManager.endFrameRendering += RenderPipelineManager_endFrameRendering;
forceUpdatePivotCoroutine = StartCoroutine(ForceUpdatePivotPointAtEndOfFrame());
}
void OnDisable()
{
ClearTargets();
RenderPipelineManager.endFrameRendering -= RenderPipelineManager_endFrameRendering;
StopCoroutine(forceUpdatePivotCoroutine);
}
void OnDestroy()
{
ClearAllHighlightedRenderers();
}
void Update()
{
HandleUndoRedo();
SetSpaceAndType();
if (manuallyHandleGizmo)
{
if (onCheckForSelectedAxis != null) onCheckForSelectedAxis();
}
else
{
SetNearAxis();
}
GetTarget();
ModelViewerInterface.SetTooltip(2, $"<b>Space:</b> {space} <b>| Pivot:</b> {pivot} <b>| Scale:</b> {scaleType} <b>| Center:</b> {centerType}");
if (mainTargetRoot == null) return;
TransformSelected();
}
void LateUpdate()
{
if (mainTargetRoot == null) return;
//We run this in lateupdate since coroutines run after update and we want our gizmos to have the updated target transform position after TransformSelected()
SetAxisInfo();
if (manuallyHandleGizmo)
{
if (onDrawCustomGizmo != null) onDrawCustomGizmo();
}
else
{
SetLines();
}
}
void OnPostRender()
{
if (mainTargetRoot == null || manuallyHandleGizmo) return;
lineMaterial.SetPass(0);
Color xColor = (nearAxis == Axis.X) ? (isTransforming) ? selectedColor : hoverColor : this.xColor;
Color yColor = (nearAxis == Axis.Y) ? (isTransforming) ? selectedColor : hoverColor : this.yColor;
Color zColor = (nearAxis == Axis.Z) ? (isTransforming) ? selectedColor : hoverColor : this.zColor;
Color allColor = (nearAxis == Axis.Any) ? (isTransforming) ? selectedColor : hoverColor : this.allColor;
//Note: The order of drawing the axis decides what gets drawn over what.
TransformType moveOrScaleType = (transformType == TransformType.Scale || (isTransforming && translatingType == TransformType.Scale)) ? TransformType.Scale : TransformType.Move;
DrawQuads(handleLines.z, GetColor(moveOrScaleType, this.zColor, zColor, hasTranslatingAxisPlane));
DrawQuads(handleLines.x, GetColor(moveOrScaleType, this.xColor, xColor, hasTranslatingAxisPlane));
DrawQuads(handleLines.y, GetColor(moveOrScaleType, this.yColor, yColor, hasTranslatingAxisPlane));
DrawTriangles(handleTriangles.x, GetColor(TransformType.Move, this.xColor, xColor, hasTranslatingAxisPlane));
DrawTriangles(handleTriangles.y, GetColor(TransformType.Move, this.yColor, yColor, hasTranslatingAxisPlane));
DrawTriangles(handleTriangles.z, GetColor(TransformType.Move, this.zColor, zColor, hasTranslatingAxisPlane));
DrawQuads(handlePlanes.z, GetColor(TransformType.Move, this.zColor, zColor, planesOpacity, !hasTranslatingAxisPlane));
DrawQuads(handlePlanes.x, GetColor(TransformType.Move, this.xColor, xColor, planesOpacity, !hasTranslatingAxisPlane));
DrawQuads(handlePlanes.y, GetColor(TransformType.Move, this.yColor, yColor, planesOpacity, !hasTranslatingAxisPlane));
DrawQuads(handleSquares.x, GetColor(TransformType.Scale, this.xColor, xColor));
DrawQuads(handleSquares.y, GetColor(TransformType.Scale, this.yColor, yColor));
DrawQuads(handleSquares.z, GetColor(TransformType.Scale, this.zColor, zColor));
DrawQuads(handleSquares.all, GetColor(TransformType.Scale, this.allColor, allColor));
DrawQuads(circlesLines.all, GetColor(TransformType.Rotate, this.allColor, allColor));
DrawQuads(circlesLines.x, GetColor(TransformType.Rotate, this.xColor, xColor));
DrawQuads(circlesLines.y, GetColor(TransformType.Rotate, this.yColor, yColor));
DrawQuads(circlesLines.z, GetColor(TransformType.Rotate, this.zColor, zColor));
}
Color GetColor(TransformType type, Color normalColor, Color nearColor, bool forceUseNormal = false)
{
return GetColor(type, normalColor, nearColor, false, 1, forceUseNormal);
}
Color GetColor(TransformType type, Color normalColor, Color nearColor, float alpha, bool forceUseNormal = false)
{
return GetColor(type, normalColor, nearColor, true, alpha, forceUseNormal);
}
Color GetColor(TransformType type, Color normalColor, Color nearColor, bool setAlpha, float alpha, bool forceUseNormal = false)
{
Color color;
if (!forceUseNormal && TranslatingTypeContains(type, false))
{
color = nearColor;
}
else
{
color = normalColor;
}
if (setAlpha)
{
color.a = alpha;
}
return color;
}
void HandleUndoRedo()
{
if (maxUndoStored != UndoRedoManager.maxUndoStored) { UndoRedoManager.maxUndoStored = maxUndoStored; }
if (Input.GetKey(ActionKey))
{
if (Input.GetKeyDown(UndoAction))
{
UndoRedoManager.Undo();
}
else if (Input.GetKeyDown(RedoAction))
{
UndoRedoManager.Redo();
}
}
}
public List<Transform> GetTargetRoots()
{
return targetRootsOrdered.Where(r=>r != null).ToList();
}
//We only support scaling in local space.
public TransformSpace GetProperTransformSpace()
{
return transformType == TransformType.Scale ? TransformSpace.Local : space;
}
public bool TransformTypeContains(TransformType type)
{
return TransformTypeContains(transformType, type);
}
public bool TranslatingTypeContains(TransformType type, bool checkIsTransforming = true)
{
TransformType transType = !checkIsTransforming || isTransforming ? translatingType : transformType;
return TransformTypeContains(transType, type);
}
public bool TransformTypeContains(TransformType mainType, TransformType type)
{
return ExtTransformType.TransformTypeContains(mainType, type, GetProperTransformSpace());
}
public float GetHandleLength(TransformType type, Axis axis = Axis.None, bool multiplyDistanceMultiplier = true)
{
float length = handleLength;
if (transformType == TransformType.All)
{
if (type == TransformType.Move) length *= allMoveHandleLengthMultiplier;
if (type == TransformType.Rotate) length *= allRotateHandleLengthMultiplier;
if (type == TransformType.Scale) length *= allScaleHandleLengthMultiplier;
}
if (multiplyDistanceMultiplier) length *= GetDistanceMultiplier();
if (type == TransformType.Scale && isTransforming && (translatingAxis == axis || translatingAxis == Axis.Any)) length += totalScaleAmount;
return length;
}
void SetSpaceAndType()
{
if (Input.GetKey(ActionKey)) return;
if (Input.GetKey(changeModeHotkey))
{
if (Input.GetKeyDown(SetMoveType)) transformType = TransformType.Move;
else if (Input.GetKeyDown(SetRotateType)) transformType = TransformType.Rotate;
else if (Input.GetKeyDown(SetScaleType)) transformType = TransformType.Scale;
//else if(Input.GetKeyDown(SetRectToolType)) type = TransformType.RectTool;
else if (Input.GetKeyDown(SetAllTransformType)) transformType = TransformType.All;
}
if (!isTransforming) translatingType = transformType;
if (Input.GetKey(changeModeHotkey))
{
if (Input.GetKeyDown(SetPivotModeToggle))
{
if (pivot == TransformPivot.Pivot) pivot = TransformPivot.Center;
else if (pivot == TransformPivot.Center) pivot = TransformPivot.Pivot;
SetPivotPoint();
}
if (Input.GetKeyDown(SetCenterTypeToggle))
{
if (centerType == CenterType.All) centerType = CenterType.Solo;
else if (centerType == CenterType.Solo) centerType = CenterType.All;
SetPivotPoint();
}
if (Input.GetKeyDown(SetSpaceToggle))
{
if (space == TransformSpace.Global) space = TransformSpace.Local;
else if (space == TransformSpace.Local) space = TransformSpace.Global;
}
if (Input.GetKeyDown(SetScaleTypeToggle))
{
if (scaleType == ScaleType.FromPoint) scaleType = ScaleType.FromPointOffset;
else if (scaleType == ScaleType.FromPointOffset) scaleType = ScaleType.FromPoint;
}
}
if (transformType == TransformType.Scale)
{
if (pivot == TransformPivot.Pivot) scaleType = ScaleType.FromPoint; //FromPointOffset can be inaccurate and should only really be used in Center mode if desired.
}
}
void TransformSelected()
{
if (mainTargetRoot != null)
{
bool isModifyingSelection = Input.GetKey(AddSelection) || Input.GetKey(RemoveSelection);
if (nearAxis != Axis.None && !isModifyingSelection && Input.GetMouseButtonDown(0) && !EventSystem.current.IsPointerOverGameObject())
{
StartCoroutine(TransformSelected(translatingType));
}
}
}
IEnumerator TransformSelected(TransformType transType)
{
SetTransforming(true);
totalScaleAmount = 0;
totalRotationAmount = Quaternion.identity;
Vector3 originalPivot = pivotPoint;
Vector3 otherAxis1, otherAxis2;
Vector3 axis = GetNearAxisDirection(out otherAxis1, out otherAxis2);
Vector3 planeNormal = hasTranslatingAxisPlane ? axis : (transform.position - originalPivot).normalized;
Vector3 projectedAxis = Vector3.ProjectOnPlane(axis, planeNormal).normalized;
Vector3 previousMousePosition = Vector3.zero;
Vector3 currentSnapMovementAmount = Vector3.zero;
float currentSnapRotationAmount = 0;
float currentSnapScaleAmount = 0;
List<ICommand> transformCommands = new List<ICommand>();
for (int i = 0; i < targetRootsOrdered.Count; i++)
{
transformCommands.Add(new HandleTransformCommand(this, targetRootsOrdered[i]));
}
while (!Input.GetMouseButtonUp(0))
{
Ray mouseRay = myCamera.ScreenPointToRay(Input.mousePosition);
Vector3 mousePosition = Geometry.LinePlaneIntersect(mouseRay.origin, mouseRay.direction, originalPivot, planeNormal);
bool isSnapping = Input.GetKey(translationSnapping);
if (previousMousePosition != Vector3.zero && mousePosition != Vector3.zero)
{
if (transType == TransformType.Move)
{
Vector3 movement = Vector3.zero;
if (hasTranslatingAxisPlane)
{
movement = mousePosition - previousMousePosition;
}
else
{
float moveAmount = ExtVector3.MagnitudeInDirection(mousePosition - previousMousePosition, projectedAxis) * moveSpeedMultiplier;
movement = axis * moveAmount;
}
if (isSnapping && movementSnap > 0)
{
currentSnapMovementAmount += movement;
movement = Vector3.zero;
if (hasTranslatingAxisPlane)
{
float amountInAxis1 = ExtVector3.MagnitudeInDirection(currentSnapMovementAmount, otherAxis1);
float amountInAxis2 = ExtVector3.MagnitudeInDirection(currentSnapMovementAmount, otherAxis2);
float remainder1;
float snapAmount1 = CalculateSnapAmount(movementSnap, amountInAxis1, out remainder1);
float remainder2;
float snapAmount2 = CalculateSnapAmount(movementSnap, amountInAxis2, out remainder2);
if (snapAmount1 != 0)
{
Vector3 snapMove = (otherAxis1 * snapAmount1);
movement += snapMove;
currentSnapMovementAmount -= snapMove;
}
if (snapAmount2 != 0)
{
Vector3 snapMove = (otherAxis2 * snapAmount2);
movement += snapMove;
currentSnapMovementAmount -= snapMove;
}
}
else
{
float remainder;
float snapAmount = CalculateSnapAmount(movementSnap, currentSnapMovementAmount.magnitude, out remainder);
if (snapAmount != 0)
{
movement = currentSnapMovementAmount.normalized * snapAmount;
currentSnapMovementAmount = currentSnapMovementAmount.normalized * remainder;
}
}
}
for (int i = 0; i < targetRootsOrdered.Count; i++)
{
Transform target = targetRootsOrdered[i].GetComponent<UIHandle>().Target;
target.Translate(movement, Space.World);
}
SetPivotPointOffset(movement);
}
else if (transType == TransformType.Scale)
{
Vector3 projected = (nearAxis == Axis.Any) ? transform.right : projectedAxis;
float scaleAmount = ExtVector3.MagnitudeInDirection(mousePosition - previousMousePosition, projected) * scaleSpeedMultiplier;
if (isSnapping && scaleSnap > 0)
{
currentSnapScaleAmount += scaleAmount;
scaleAmount = 0;
float remainder;
float snapAmount = CalculateSnapAmount(scaleSnap, currentSnapScaleAmount, out remainder);
if (snapAmount != 0)
{
scaleAmount = snapAmount;
currentSnapScaleAmount = remainder;
}
}
//WARNING - There is a bug in unity 5.4 and 5.5 that causes InverseTransformDirection to be affected by scale which will break negative scaling. Not tested, but updating to 5.4.2 should fix it - https://issuetracker.unity3d.com/issues/transformdirection-and-inversetransformdirection-operations-are-affected-by-scale
Vector3 localAxis = (GetProperTransformSpace() == TransformSpace.Local && nearAxis != Axis.Any) ? mainTargetRoot.InverseTransformDirection(axis) : axis;
Vector3 targetScaleAmount = Vector3.one;
if (nearAxis == Axis.Any) targetScaleAmount = (ExtVector3.Abs(mainTargetRoot.localScale.normalized) * scaleAmount);
else targetScaleAmount = localAxis * scaleAmount;
for (int i = 0; i < targetRootsOrdered.Count; i++)
{
Transform target = targetRootsOrdered[i].GetComponent<UIHandle>().Target;
Vector3 targetScale = target.localScale + targetScaleAmount;
if (pivot == TransformPivot.Pivot)
{
target.localScale = targetScale;
}
else if (pivot == TransformPivot.Center)
{
if (scaleType == ScaleType.FromPoint)
{
target.SetScaleFrom(originalPivot, targetScale);
}
else if (scaleType == ScaleType.FromPointOffset)
{
target.SetScaleFromOffset(originalPivot, targetScale);
}
}
}
totalScaleAmount += scaleAmount;
}
else if (transType == TransformType.Rotate)
{
float rotateAmount = 0;
Vector3 rotationAxis = axis;
if (nearAxis == Axis.Any)
{
Vector3 rotation = transform.TransformDirection(new Vector3(Input.GetAxis("Mouse Y"), -Input.GetAxis("Mouse X"), 0));
Quaternion.Euler(rotation).ToAngleAxis(out rotateAmount, out rotationAxis);
rotateAmount *= allRotateSpeedMultiplier;
}
else
{
if (circularRotationMethod)
{
float angle = Vector3.SignedAngle(previousMousePosition - originalPivot, mousePosition - originalPivot, axis);
rotateAmount = angle * rotateSpeedMultiplier;
}
else
{
Vector3 projected = (nearAxis == Axis.Any || ExtVector3.IsParallel(axis, planeNormal)) ? planeNormal : Vector3.Cross(axis, planeNormal);
rotateAmount = (ExtVector3.MagnitudeInDirection(mousePosition - previousMousePosition, projected) * (rotateSpeedMultiplier * 100f)) / GetDistanceMultiplier();
}
}
if (isSnapping && rotationSnap > 0)
{
currentSnapRotationAmount += rotateAmount;
rotateAmount = 0;
float remainder;
float snapAmount = CalculateSnapAmount(rotationSnap, currentSnapRotationAmount, out remainder);
if (snapAmount != 0)
{
rotateAmount = snapAmount;
currentSnapRotationAmount = remainder;
}
}
for (int i = 0; i < targetRootsOrdered.Count; i++)
{
Transform target = targetRootsOrdered[i].GetComponent<UIHandle>().Target;
if (pivot == TransformPivot.Pivot)
{
target.Rotate(rotationAxis, rotateAmount, Space.World);
}
else if (pivot == TransformPivot.Center)
{
target.RotateAround(originalPivot, rotationAxis, rotateAmount);
}
}
totalRotationAmount *= Quaternion.Euler(rotationAxis * rotateAmount);
}
}
previousMousePosition = mousePosition;
yield return null;
}
var objects = GetTargetRoots().Select(t=>t.GetComponent<UIHandle>().Owner).Distinct();
foreach(var obj in objects)
{
obj.SetKeyframe();
}
for (int i = 0; i < transformCommands.Count; i++)
{
((HandleTransformCommand)transformCommands[i]).StoreNewTransformValues();
}
CommandGroup commandGroup = new CommandGroup();
commandGroup.Set(transformCommands);
UndoRedoManager.Insert(commandGroup);
totalRotationAmount = Quaternion.identity;
totalScaleAmount = 0;
SetTransforming(false);
SetTranslatingAxis(transformType, Axis.None);
SetPivotPoint();
}
float CalculateSnapAmount(float snapValue, float currentAmount, out float remainder)
{
remainder = 0;
if (snapValue <= 0) return currentAmount;
float currentAmountAbs = Mathf.Abs(currentAmount);
if (currentAmountAbs > snapValue)
{
remainder = currentAmountAbs % snapValue;
return snapValue * (Mathf.Sign(currentAmount) * Mathf.Floor(currentAmountAbs / snapValue));
}
return 0;
}
Vector3 GetNearAxisDirection(out Vector3 otherAxis1, out Vector3 otherAxis2)
{
otherAxis1 = otherAxis2 = Vector3.zero;
if (nearAxis != Axis.None)
{
if (nearAxis == Axis.X)
{
otherAxis1 = axisInfo.yDirection;
otherAxis2 = axisInfo.zDirection;
return axisInfo.xDirection;
}
if (nearAxis == Axis.Y)
{
otherAxis1 = axisInfo.xDirection;
otherAxis2 = axisInfo.zDirection;
return axisInfo.yDirection;
}
if (nearAxis == Axis.Z)
{
otherAxis1 = axisInfo.xDirection;
otherAxis2 = axisInfo.yDirection;
return axisInfo.zDirection;
}
if (nearAxis == Axis.Any)
{
return Vector3.one;
}
}
return Vector3.zero;
}
void GetTarget()
{
bool isAdding = Input.GetKey(AddSelection);
bool isRemoving = Input.GetKey(RemoveSelection);
if ((nearAxis == Axis.None || isAdding || isRemoving) && !EventSystem.current.IsPointerOverGameObject())
{
bool leftClick = Input.GetMouseButtonDown(0);
bool rightClick = Input.GetMouseButtonDown(1);
if (!leftClick && !rightClick) return;
RaycastHit[] hits = Physics.RaycastAll(myCamera.ScreenPointToRay(Input.mousePosition), Mathf.Infinity, selectionMask);
if (hits.Length > 0)
{
if (rightClick)
{
HandleManager.CloseAllPopups();
}
if (!isAdding && !isRemoving)
{
ClearTargets();
}
for (int i = 0; i < hits.Length; i++)
{
var hitInfo = hits[i];
Transform target = hitInfo.transform;
UIHandle handle = target.GetComponent<UIHandle>();
if (rightClick)
{
handle.TogglePopup(i);
}
else if (leftClick)
{
if (isRemoving)
{
RemoveTarget(target);
}
else
{
AddTarget(target);
}
}
}
}
else if (rightClick)
{
HandleManager.CloseAllPopups();
ClearTargets();
}
}
}
public void AddTarget(Transform target, bool addCommand = true)
{
if (target != null)
{
var container = target.GetComponentInParent<ObjectContainer>();
if (container != null)
{
ModelViewerMain.GetInstance().SelectionAdd(container);
}
if (targetRoots.ContainsKey(target)) return;
if (children.Contains(target)) return;
if (addCommand) UndoRedoManager.Insert(new AddTargetCommand(this, target, targetRootsOrdered));
AddTargetRoot(target);
AddTargetHighlightedRenderers(target);
SetPivotPoint();
}
}
public void RemoveTarget(Transform target, bool addCommand = true)
{
if (target != null)
{
var container = target.GetComponentInParent<ObjectContainer>();
if (container != null)
{
ModelViewerMain.GetInstance().SelectionRemove(container);
}
if (!targetRoots.ContainsKey(target)) return;
if (addCommand) UndoRedoManager.Insert(new RemoveTargetCommand(this, target));
RemoveTargetHighlightedRenderers(target);
RemoveTargetRoot(target);
SetPivotPoint();
}
}
public void ClearTargets(bool addCommand = true)
{
if (addCommand) UndoRedoManager.Insert(new ClearTargetsCommand(this, targetRootsOrdered));
ClearAllHighlightedRenderers();
targetRoots.Clear();
targetRootsOrdered.Clear();
children.Clear();
ModelViewerMain.GetInstance().SelectionClear();
UpdateModelViewerHandleSelection();
}
void ClearAndAddTarget(Transform target)
{
UndoRedoManager.Insert(new ClearAndAddTargetCommand(this, target, targetRootsOrdered));
ClearTargets(false);
AddTarget(target, false);
}
void AddTargetHighlightedRenderers(Transform target)
{
if (target != null)
{
GetTargetRenderers(target, renderersBuffer);
for (int i = 0; i < renderersBuffer.Count; i++)
{
Renderer render = renderersBuffer[i];
if (!highlightedRenderers.Contains(render))
{
materialsBuffer.Clear();
materialsBuffer.AddRange(render.sharedMaterials);
if (!materialsBuffer.Contains(outlineMaterial))
{
materialsBuffer.Add(outlineMaterial);
render.materials = materialsBuffer.ToArray();
}
highlightedRenderers.Add(render);
}
}
materialsBuffer.Clear();
}
}
void GetTargetRenderers(Transform target, List<Renderer> renderers)
{
renderers.Clear();
if (target != null)
{
target.GetComponentsInChildren<Renderer>(true, renderers);
}
}
void ClearAllHighlightedRenderers()
{
foreach (var target in targetRoots)
{
RemoveTargetHighlightedRenderers(target.Key);
}
//In case any are still left, such as if they changed parents or what not when they were highlighted.
renderersBuffer.Clear();
renderersBuffer.AddRange(highlightedRenderers);
RemoveHighlightedRenderers(renderersBuffer);
}
void RemoveTargetHighlightedRenderers(Transform target)
{
GetTargetRenderers(target, renderersBuffer);
RemoveHighlightedRenderers(renderersBuffer);
}
void RemoveHighlightedRenderers(List<Renderer> renderers)
{
for (int i = 0; i < renderersBuffer.Count; i++)
{
Renderer render = renderersBuffer[i];
if (render != null)
{
materialsBuffer.Clear();
materialsBuffer.AddRange(render.sharedMaterials);
if (materialsBuffer.Contains(outlineMaterial))
{
materialsBuffer.Remove(outlineMaterial);
render.materials = materialsBuffer.ToArray();
}
}
highlightedRenderers.Remove(render);
}
renderersBuffer.Clear();
}
void AddTargetRoot(Transform targetRoot)
{
targetRoots.Add(targetRoot, new TargetInfo());
targetRootsOrdered.Add(targetRoot);
AddAllChildren(targetRoot);
UpdateModelViewerHandleSelection();
}
void RemoveTargetRoot(Transform targetRoot)
{
if (targetRoots.Remove(targetRoot))
{
targetRootsOrdered.Remove(targetRoot);
RemoveAllChildren(targetRoot);
UpdateModelViewerHandleSelection();
}
}
void AddAllChildren(Transform target)
{
childrenBuffer.Clear();
target.GetComponentsInChildren<Transform>(true, childrenBuffer);
childrenBuffer.Remove(target);
for (int i = 0; i < childrenBuffer.Count; i++)
{
Transform child = childrenBuffer[i];
children.Add(child);
RemoveTargetRoot(child); //We do this in case we selected child first and then the parent.
}
childrenBuffer.Clear();
}
void RemoveAllChildren(Transform target)
{
childrenBuffer.Clear();
target.GetComponentsInChildren<Transform>(true, childrenBuffer);
childrenBuffer.Remove(target);
for (int i = 0; i < childrenBuffer.Count; i++)
{
children.Remove(childrenBuffer[i]);
}
childrenBuffer.Clear();
}
public void SetPivotPoint()
{
if (mainTargetRoot != null)
{
if (pivot == TransformPivot.Pivot)
{
pivotPoint = mainTargetRoot.position;
}
else if (pivot == TransformPivot.Center)
{
totalCenterPivotPoint = Vector3.zero;
Dictionary<Transform, TargetInfo>.Enumerator targetsEnumerator = targetRoots.GetEnumerator(); //We avoid foreach to avoid garbage.
while (targetsEnumerator.MoveNext())
{
Transform target = targetsEnumerator.Current.Key;
TargetInfo info = targetsEnumerator.Current.Value;
info.centerPivotPoint = target.GetCenter(centerType);
totalCenterPivotPoint += info.centerPivotPoint;
}
totalCenterPivotPoint /= targetRoots.Count;
if (centerType == CenterType.Solo)
{
pivotPoint = targetRoots[mainTargetRoot].centerPivotPoint;
}
else if (centerType == CenterType.All)
{
pivotPoint = totalCenterPivotPoint;
}
}
}
}
void SetPivotPointOffset(Vector3 offset)
{
pivotPoint += offset;
totalCenterPivotPoint += offset;
}
IEnumerator ForceUpdatePivotPointAtEndOfFrame()
{
while (this.enabled)
{
ForceUpdatePivotPointOnChange();
yield return waitForEndOFFrame;
}
}
void ForceUpdatePivotPointOnChange()
{
if (forceUpdatePivotPointOnChange)
{
if (mainTargetRoot != null && !isTransforming)
{
bool hasSet = false;
Dictionary<Transform, TargetInfo>.Enumerator targets = targetRoots.GetEnumerator();
while (targets.MoveNext())
{
if (!hasSet)
{
if (targets.Current.Value.previousPosition != Vector3.zero && targets.Current.Key.position != targets.Current.Value.previousPosition)
{
SetPivotPoint();
hasSet = true;
}
}
targets.Current.Value.previousPosition = targets.Current.Key.position;
}
}
}
}
public void SetTranslatingAxis(TransformType type, Axis axis, Axis planeAxis = Axis.None)
{
this.translatingType = type;
this.nearAxis = axis;
this.planeAxis = planeAxis;
}
public AxisInfo GetAxisInfo()
{
AxisInfo currentAxisInfo = axisInfo;
if (isTransforming && GetProperTransformSpace() == TransformSpace.Global && translatingType == TransformType.Rotate)
{
currentAxisInfo.xDirection = totalRotationAmount * Vector3.right;
currentAxisInfo.yDirection = totalRotationAmount * Vector3.up;
currentAxisInfo.zDirection = totalRotationAmount * Vector3.forward;
}
return currentAxisInfo;
}
void SetNearAxis()
{
if (isTransforming) return;
SetTranslatingAxis(transformType, Axis.None);
if (mainTargetRoot == null) return;
float distanceMultiplier = GetDistanceMultiplier();
float handleMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + handleWidth) * distanceMultiplier;
if (nearAxis == Axis.None && (TransformTypeContains(TransformType.Move) || TransformTypeContains(TransformType.Scale)))
{
//Important to check scale lines before move lines since in TransformType.All the move planes would block the scales center scale all gizmo.
if (nearAxis == Axis.None && TransformTypeContains(TransformType.Scale))
{
float tipMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + boxSize) * distanceMultiplier;
HandleNearestPlanes(TransformType.Scale, handleSquares, tipMinSelectedDistanceCheck);
}
if (nearAxis == Axis.None && TransformTypeContains(TransformType.Move))
{
//Important to check the planes first before the handle tip since it makes selecting the planes easier.
float planeMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + planeSize) * distanceMultiplier;
HandleNearestPlanes(TransformType.Move, handlePlanes, planeMinSelectedDistanceCheck);
if (nearAxis != Axis.None)
{
planeAxis = nearAxis;
}
else
{
float tipMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + triangleSize) * distanceMultiplier;
HandleNearestLines(TransformType.Move, handleTriangles, tipMinSelectedDistanceCheck);
}
}
if (nearAxis == Axis.None)
{
//Since Move and Scale share the same handle line, we give Move the priority.
TransformType transType = transformType == TransformType.All ? TransformType.Move : transformType;
HandleNearestLines(transType, handleLines, handleMinSelectedDistanceCheck);
}
}
if (nearAxis == Axis.None && TransformTypeContains(TransformType.Rotate))
{
HandleNearestLines(TransformType.Rotate, circlesLines, handleMinSelectedDistanceCheck);
}
}
void HandleNearestLines(TransformType type, AxisVectors axisVectors, float minSelectedDistanceCheck)
{
float xClosestDistance = ClosestDistanceFromMouseToLines(axisVectors.x);
float yClosestDistance = ClosestDistanceFromMouseToLines(axisVectors.y);
float zClosestDistance = ClosestDistanceFromMouseToLines(axisVectors.z);
float allClosestDistance = ClosestDistanceFromMouseToLines(axisVectors.all);
HandleNearest(type, xClosestDistance, yClosestDistance, zClosestDistance, allClosestDistance, minSelectedDistanceCheck);
}
void HandleNearestPlanes(TransformType type, AxisVectors axisVectors, float minSelectedDistanceCheck)
{
float xClosestDistance = ClosestDistanceFromMouseToPlanes(axisVectors.x);
float yClosestDistance = ClosestDistanceFromMouseToPlanes(axisVectors.y);
float zClosestDistance = ClosestDistanceFromMouseToPlanes(axisVectors.z);
float allClosestDistance = ClosestDistanceFromMouseToPlanes(axisVectors.all);
HandleNearest(type, xClosestDistance, yClosestDistance, zClosestDistance, allClosestDistance, minSelectedDistanceCheck);
}
void HandleNearest(TransformType type, float xClosestDistance, float yClosestDistance, float zClosestDistance, float allClosestDistance, float minSelectedDistanceCheck)
{
if (type == TransformType.Scale && allClosestDistance <= minSelectedDistanceCheck) SetTranslatingAxis(type, Axis.Any);
else if (xClosestDistance <= minSelectedDistanceCheck && xClosestDistance <= yClosestDistance && xClosestDistance <= zClosestDistance) SetTranslatingAxis(type, Axis.X);
else if (yClosestDistance <= minSelectedDistanceCheck && yClosestDistance <= xClosestDistance && yClosestDistance <= zClosestDistance) SetTranslatingAxis(type, Axis.Y);
else if (zClosestDistance <= minSelectedDistanceCheck && zClosestDistance <= xClosestDistance && zClosestDistance <= yClosestDistance) SetTranslatingAxis(type, Axis.Z);
else if (type == TransformType.Rotate && mainTargetRoot != null)
{
Ray mouseRay = myCamera.ScreenPointToRay(Input.mousePosition);
Vector3 mousePlaneHit = Geometry.LinePlaneIntersect(mouseRay.origin, mouseRay.direction, pivotPoint, (transform.position - pivotPoint).normalized);
if ((pivotPoint - mousePlaneHit).sqrMagnitude <= (GetHandleLength(TransformType.Rotate)).Squared()) SetTranslatingAxis(type, Axis.Any);
}
}
float ClosestDistanceFromMouseToLines(List<Vector3> lines)
{
Ray mouseRay = myCamera.ScreenPointToRay(Input.mousePosition);
float closestDistance = float.MaxValue;
for (int i = 0; i + 1 < lines.Count; i++)
{
IntersectPoints points = Geometry.ClosestPointsOnSegmentToLine(lines[i], lines[i + 1], mouseRay.origin, mouseRay.direction);
float distance = Vector3.Distance(points.first, points.second);
if (distance < closestDistance)
{
closestDistance = distance;
}
}
return closestDistance;
}
float ClosestDistanceFromMouseToPlanes(List<Vector3> planePoints)
{
float closestDistance = float.MaxValue;
if (planePoints.Count >= 4)
{
Ray mouseRay = myCamera.ScreenPointToRay(Input.mousePosition);
for (int i = 0; i < planePoints.Count; i += 4)
{
Plane plane = new Plane(planePoints[i], planePoints[i + 1], planePoints[i + 2]);
float distanceToPlane;
if (plane.Raycast(mouseRay, out distanceToPlane))
{
Vector3 pointOnPlane = mouseRay.origin + (mouseRay.direction * distanceToPlane);
Vector3 planeCenter = (planePoints[0] + planePoints[1] + planePoints[2] + planePoints[3]) / 4f;
float distance = Vector3.Distance(planeCenter, pointOnPlane);
if (distance < closestDistance)
{
closestDistance = distance;
}
}
}
}
return closestDistance;
}
void SetAxisInfo()
{
if (mainTargetRoot != null)
{
axisInfo.Set(mainTargetRoot, pivotPoint, GetProperTransformSpace());
}
}
//This helps keep the size consistent no matter how far we are from it.
public float GetDistanceMultiplier()
{
if (mainTargetRoot == null) return 0f;
if (myCamera.orthographic) return Mathf.Max(.01f, myCamera.orthographicSize * 2f);
return Mathf.Max(.01f, Mathf.Abs(ExtVector3.MagnitudeInDirection(pivotPoint - transform.position, myCamera.transform.forward)));
}
void SetLines()
{
SetHandleLines();
SetHandlePlanes();
SetHandleTriangles();
SetHandleSquares();
SetCircles(GetAxisInfo(), circlesLines);
}
void SetHandleLines()
{
handleLines.Clear();
if (TranslatingTypeContains(TransformType.Move) || TranslatingTypeContains(TransformType.Scale))
{
float lineWidth = handleWidth * GetDistanceMultiplier();
float xLineLength = 0;
float yLineLength = 0;
float zLineLength = 0;
if (TranslatingTypeContains(TransformType.Move))
{
xLineLength = yLineLength = zLineLength = GetHandleLength(TransformType.Move);
}
else if (TranslatingTypeContains(TransformType.Scale))
{
xLineLength = GetHandleLength(TransformType.Scale, Axis.X);
yLineLength = GetHandleLength(TransformType.Scale, Axis.Y);
zLineLength = GetHandleLength(TransformType.Scale, Axis.Z);
}
AddQuads(pivotPoint, axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, xLineLength, lineWidth, handleLines.x);
AddQuads(pivotPoint, axisInfo.yDirection, axisInfo.xDirection, axisInfo.zDirection, yLineLength, lineWidth, handleLines.y);
AddQuads(pivotPoint, axisInfo.zDirection, axisInfo.xDirection, axisInfo.yDirection, zLineLength, lineWidth, handleLines.z);
}
}
int AxisDirectionMultiplier(Vector3 direction, Vector3 otherDirection)
{
return ExtVector3.IsInDirection(direction, otherDirection) ? 1 : -1;
}
void SetHandlePlanes()
{
handlePlanes.Clear();
if (TranslatingTypeContains(TransformType.Move))
{
Vector3 pivotToCamera = myCamera.transform.position - pivotPoint;
float cameraXSign = Mathf.Sign(Vector3.Dot(axisInfo.xDirection, pivotToCamera));
float cameraYSign = Mathf.Sign(Vector3.Dot(axisInfo.yDirection, pivotToCamera));
float cameraZSign = Mathf.Sign(Vector3.Dot(axisInfo.zDirection, pivotToCamera));
float planeSize = this.planeSize;
if (transformType == TransformType.All) { planeSize *= allMoveHandleLengthMultiplier; }
planeSize *= GetDistanceMultiplier();
Vector3 xDirection = (axisInfo.xDirection * planeSize) * cameraXSign;
Vector3 yDirection = (axisInfo.yDirection * planeSize) * cameraYSign;
Vector3 zDirection = (axisInfo.zDirection * planeSize) * cameraZSign;
Vector3 xPlaneCenter = pivotPoint + (yDirection + zDirection);
Vector3 yPlaneCenter = pivotPoint + (xDirection + zDirection);
Vector3 zPlaneCenter = pivotPoint + (xDirection + yDirection);
AddQuad(xPlaneCenter, axisInfo.yDirection, axisInfo.zDirection, planeSize, handlePlanes.x);
AddQuad(yPlaneCenter, axisInfo.xDirection, axisInfo.zDirection, planeSize, handlePlanes.y);
AddQuad(zPlaneCenter, axisInfo.xDirection, axisInfo.yDirection, planeSize, handlePlanes.z);
}
}
void SetHandleTriangles()
{
handleTriangles.Clear();
if (TranslatingTypeContains(TransformType.Move))
{
float triangleLength = triangleSize * GetDistanceMultiplier();
AddTriangles(axisInfo.GetXAxisEnd(GetHandleLength(TransformType.Move)), axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, triangleLength, handleTriangles.x);
AddTriangles(axisInfo.GetYAxisEnd(GetHandleLength(TransformType.Move)), axisInfo.yDirection, axisInfo.xDirection, axisInfo.zDirection, triangleLength, handleTriangles.y);
AddTriangles(axisInfo.GetZAxisEnd(GetHandleLength(TransformType.Move)), axisInfo.zDirection, axisInfo.yDirection, axisInfo.xDirection, triangleLength, handleTriangles.z);
}
}
void AddTriangles(Vector3 axisEnd, Vector3 axisDirection, Vector3 axisOtherDirection1, Vector3 axisOtherDirection2, float size, List<Vector3> resultsBuffer)
{
Vector3 endPoint = axisEnd + (axisDirection * (size * 2f));
Square baseSquare = GetBaseSquare(axisEnd, axisOtherDirection1, axisOtherDirection2, size / 2f);
resultsBuffer.Add(baseSquare.bottomLeft);
resultsBuffer.Add(baseSquare.topLeft);
resultsBuffer.Add(baseSquare.topRight);
resultsBuffer.Add(baseSquare.topLeft);
resultsBuffer.Add(baseSquare.bottomRight);
resultsBuffer.Add(baseSquare.topRight);
for (int i = 0; i < 4; i++)
{
resultsBuffer.Add(baseSquare[i]);
resultsBuffer.Add(baseSquare[i + 1]);
resultsBuffer.Add(endPoint);
}
}
void SetHandleSquares()
{
handleSquares.Clear();
if (TranslatingTypeContains(TransformType.Scale))
{
float boxSize = this.boxSize * GetDistanceMultiplier();
AddSquares(axisInfo.GetXAxisEnd(GetHandleLength(TransformType.Scale, Axis.X)), axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, boxSize, handleSquares.x);
AddSquares(axisInfo.GetYAxisEnd(GetHandleLength(TransformType.Scale, Axis.Y)), axisInfo.yDirection, axisInfo.xDirection, axisInfo.zDirection, boxSize, handleSquares.y);
AddSquares(axisInfo.GetZAxisEnd(GetHandleLength(TransformType.Scale, Axis.Z)), axisInfo.zDirection, axisInfo.xDirection, axisInfo.yDirection, boxSize, handleSquares.z);
AddSquares(pivotPoint - (axisInfo.xDirection * (boxSize * .5f)), axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, boxSize, handleSquares.all);
}
}
void AddSquares(Vector3 axisStart, Vector3 axisDirection, Vector3 axisOtherDirection1, Vector3 axisOtherDirection2, float size, List<Vector3> resultsBuffer)
{
AddQuads(axisStart, axisDirection, axisOtherDirection1, axisOtherDirection2, size, size * .5f, resultsBuffer);
}
void AddQuads(Vector3 axisStart, Vector3 axisDirection, Vector3 axisOtherDirection1, Vector3 axisOtherDirection2, float length, float width, List<Vector3> resultsBuffer)
{
Vector3 axisEnd = axisStart + (axisDirection * length);
AddQuads(axisStart, axisEnd, axisOtherDirection1, axisOtherDirection2, width, resultsBuffer);
}
void AddQuads(Vector3 axisStart, Vector3 axisEnd, Vector3 axisOtherDirection1, Vector3 axisOtherDirection2, float width, List<Vector3> resultsBuffer)
{
Square baseRectangle = GetBaseSquare(axisStart, axisOtherDirection1, axisOtherDirection2, width);
Square baseRectangleEnd = GetBaseSquare(axisEnd, axisOtherDirection1, axisOtherDirection2, width);
resultsBuffer.Add(baseRectangle.bottomLeft);
resultsBuffer.Add(baseRectangle.topLeft);
resultsBuffer.Add(baseRectangle.topRight);
resultsBuffer.Add(baseRectangle.bottomRight);
resultsBuffer.Add(baseRectangleEnd.bottomLeft);
resultsBuffer.Add(baseRectangleEnd.topLeft);
resultsBuffer.Add(baseRectangleEnd.topRight);
resultsBuffer.Add(baseRectangleEnd.bottomRight);
for (int i = 0; i < 4; i++)
{
resultsBuffer.Add(baseRectangle[i]);
resultsBuffer.Add(baseRectangleEnd[i]);
resultsBuffer.Add(baseRectangleEnd[i + 1]);
resultsBuffer.Add(baseRectangle[i + 1]);
}
}
void AddQuad(Vector3 axisStart, Vector3 axisOtherDirection1, Vector3 axisOtherDirection2, float width, List<Vector3> resultsBuffer)
{
Square baseRectangle = GetBaseSquare(axisStart, axisOtherDirection1, axisOtherDirection2, width);
resultsBuffer.Add(baseRectangle.bottomLeft);
resultsBuffer.Add(baseRectangle.topLeft);
resultsBuffer.Add(baseRectangle.topRight);
resultsBuffer.Add(baseRectangle.bottomRight);
}
Square GetBaseSquare(Vector3 axisEnd, Vector3 axisOtherDirection1, Vector3 axisOtherDirection2, float size)
{
Square square;
Vector3 offsetUp = ((axisOtherDirection1 * size) + (axisOtherDirection2 * size));
Vector3 offsetDown = ((axisOtherDirection1 * size) - (axisOtherDirection2 * size));
//These might not really be the proper directions, as in the bottomLeft might not really be at the bottom left...
square.bottomLeft = axisEnd + offsetDown;
square.topLeft = axisEnd + offsetUp;
square.bottomRight = axisEnd - offsetUp;
square.topRight = axisEnd - offsetDown;
return square;
}
void SetCircles(AxisInfo axisInfo, AxisVectors axisVectors)
{
axisVectors.Clear();
if (TranslatingTypeContains(TransformType.Rotate))
{
float circleLength = GetHandleLength(TransformType.Rotate);
AddCircle(pivotPoint, axisInfo.xDirection, circleLength, axisVectors.x);
AddCircle(pivotPoint, axisInfo.yDirection, circleLength, axisVectors.y);
AddCircle(pivotPoint, axisInfo.zDirection, circleLength, axisVectors.z);
AddCircle(pivotPoint, (pivotPoint - transform.position).normalized, circleLength, axisVectors.all, false);
}
}
void AddCircle(Vector3 origin, Vector3 axisDirection, float size, List<Vector3> resultsBuffer, bool depthTest = true)
{
Vector3 up = axisDirection.normalized * size;
Vector3 forward = Vector3.Slerp(up, -up, .5f);
Vector3 right = Vector3.Cross(up, forward).normalized * size;
Matrix4x4 matrix = new Matrix4x4();
matrix[0] = right.x;
matrix[1] = right.y;
matrix[2] = right.z;
matrix[4] = up.x;
matrix[5] = up.y;
matrix[6] = up.z;
matrix[8] = forward.x;
matrix[9] = forward.y;
matrix[10] = forward.z;
Vector3 lastPoint = origin + matrix.MultiplyPoint3x4(new Vector3(Mathf.Cos(0), 0, Mathf.Sin(0)));
Vector3 nextPoint = Vector3.zero;
float multiplier = 360f / circleDetail;
Plane plane = new Plane((transform.position - pivotPoint).normalized, pivotPoint);
float circleHandleWidth = handleWidth * GetDistanceMultiplier();
for (int i = 0; i < circleDetail + 1; i++)
{
nextPoint.x = Mathf.Cos((i * multiplier) * Mathf.Deg2Rad);
nextPoint.z = Mathf.Sin((i * multiplier) * Mathf.Deg2Rad);
nextPoint.y = 0;
nextPoint = origin + matrix.MultiplyPoint3x4(nextPoint);
if (!depthTest || plane.GetSide(lastPoint))
{
Vector3 centerPoint = (lastPoint + nextPoint) * .5f;
Vector3 upDirection = (centerPoint - origin).normalized;
AddQuads(lastPoint, nextPoint, upDirection, axisDirection, circleHandleWidth, resultsBuffer);
}
lastPoint = nextPoint;
}
}
void DrawLines(List<Vector3> lines, Color color)
{
if (lines.Count == 0) return;
GL.Begin(GL.LINES);
GL.Color(color);
for (int i = 0; i < lines.Count; i += 2)
{
GL.Vertex(lines[i]);
GL.Vertex(lines[i + 1]);
}
GL.End();
}
void DrawTriangles(List<Vector3> lines, Color color)
{
if (lines.Count == 0) return;
GL.Begin(GL.TRIANGLES);
GL.Color(color);
for (int i = 0; i < lines.Count; i += 3)
{
GL.Vertex(lines[i]);
GL.Vertex(lines[i + 1]);
GL.Vertex(lines[i + 2]);
}
GL.End();
}
void DrawQuads(List<Vector3> lines, Color color)
{
if (lines.Count == 0) return;
GL.Begin(GL.QUADS);
GL.Color(color);
for (int i = 0; i < lines.Count; i += 4)
{
GL.Vertex(lines[i]);
GL.Vertex(lines[i + 1]);
GL.Vertex(lines[i + 2]);
GL.Vertex(lines[i + 3]);
}
GL.End();
}
void DrawFilledCircle(List<Vector3> lines, Color color)
{
if (lines.Count == 0) return;
Vector3 center = Vector3.zero;
for (int i = 0; i < lines.Count; i++)
{
center += lines[i];
}
center /= lines.Count;
GL.Begin(GL.TRIANGLES);
GL.Color(color);
for (int i = 0; i + 1 < lines.Count; i++)
{
GL.Vertex(lines[i]);
GL.Vertex(lines[i + 1]);
GL.Vertex(center);
}
GL.End();
}
void SetMaterial()
{
if (lineMaterial == null)
{
lineMaterial = new Material(Shader.Find("Custom/Lines"));
outlineMaterial = new Material(Shader.Find("Custom/Outline"));
}
}
void SetTransforming(bool value)
{
isTransforming = value;
HandleManager.InteractionInProgress = value;
}
public void UpdateModelViewerHandleSelection()
{
if(_applicationQuitting) return;
var ui = ModelViewerInterface.GetInstance();
for (int i = ui.SelectedHandlesPanel.content.childCount - 1; i >= 0; i--)
{
Destroy(ui.SelectedHandlesPanel.content.GetChild(i).gameObject);
}
foreach (var transform in targetRootsOrdered)
{
SliderPanel.CreateToggle(transform.name, true, ui.SelectedHandlesPanel.content, (_) => RemoveTargetRoot(transform));
}
}
private bool _applicationQuitting = false;
private void OnApplicationQuit()
{
_applicationQuitting = true;
}
}
}