private void RotateTargets()
{
var boundsQConfig = GetBoundsQConfig();
float rotationAmount = InputDeviceManager.Get.MouseDelta.x * SharedSettings.RotationSensitivity;
EditorUndoEx.RecordObjectTransforms(_targetParents);
foreach (var grabTarget in _grabTargets)
{
if (grabTarget == null)
{
continue;
}
OOBB targetOOBB = ObjectBounds.CalcHierarchyWorldOOBB(grabTarget.GameObject, boundsQConfig);
if (!targetOOBB.IsValid)
{
continue;
}
var layerGrabSettings = SharedSettings.GetLayerGrabSettings(grabTarget.GameObject.layer);
if (layerGrabSettings.IsActive)
{
Quaternion rotation = Quaternion.AngleAxis(rotationAmount, layerGrabSettings.AlignAxis ? grabTarget.SittingPlane.normal : Vector3.up);
grabTarget.Transform.RotateAroundPivot(rotation, targetOOBB.Center);
}
else
{
Quaternion rotation = Quaternion.AngleAxis(rotationAmount, SharedSettings.AlignAxis ? grabTarget.SittingPlane.normal : Vector3.up);
grabTarget.Transform.RotateAroundPivot(rotation, targetOOBB.Center);
}
}
CalculateGrabTargetsAnchorVectors();
}
public void OnSceneGUIRender()
{
if (SharedLookAndFeel == null)
{
return;
}
if (IsActive && _grabSurfaceInfo.SurfaceType != GrabSurfaceType.Invalid)
{
if (SharedLookAndFeel.ShowAnchorLines)
{
Color oldColor = Handles.color;
var linePoints = new List <Vector3>(_grabTargets.Count * 2);
Handles.color = SharedLookAndFeel.AnchorLineTickColor;
foreach (var grabTarget in _grabTargets)
{
linePoints.Add(grabTarget.Transform.position);
linePoints.Add(_grabSurfaceInfo.AnchorPoint);
if (SharedLookAndFeel.ShowAnchorLineTicks)
{
float dotSize = SharedLookAndFeel.AnchorLineTickSize * HandleUtility.GetHandleSize(grabTarget.Transform.position);
Handles.DotHandleCap(0, grabTarget.Transform.position, Quaternion.identity, dotSize, EventType.Repaint);
}
}
if (SharedLookAndFeel.ShowAnchorLineTicks)
{
float dotAnchPtSize = SharedLookAndFeel.AnchorLineTickSize * HandleUtility.GetHandleSize(_grabSurfaceInfo.AnchorPoint);
Handles.DotHandleCap(0, _grabSurfaceInfo.AnchorPoint, Quaternion.identity, dotAnchPtSize, EventType.Repaint);
}
Handles.color = SharedLookAndFeel.AnchorLineColor;
Handles.DrawLines(linePoints.ToArray());
Handles.color = oldColor;
}
if (SharedLookAndFeel.ShowTargetBoxes)
{
Color oldColor = Handles.color;
Matrix4x4 oldMatrix = Handles.matrix;
Handles.color = SharedLookAndFeel.TargetWireBoxColor;
var boundsQConfig = GetBoundsQConfig();
foreach (var grabTarget in _grabTargets)
{
OOBB targetOOBB = ObjectBounds.CalcHierarchyWorldOOBB(grabTarget.GameObject, boundsQConfig);
if (targetOOBB.IsValid)
{
Handles.matrix = Matrix4x4.TRS(targetOOBB.Center, targetOOBB.Rotation, Vector3.one);
Handles.DrawWireCube(Vector3.zero, targetOOBB.Size);
}
}
Handles.color = oldColor;
Handles.matrix = oldMatrix;
}
}
}
public static ObjectSnapResult SnapHierarchy(GameObject root, ObjectSnapConfig snapConfig)
{
const float collectEps = 1e-2f;
const float collectBoxScale = 1e-3f;
bool hierarchyHasMeshes = root.HierarchyHasMesh();
bool hierarchyHasSprites = root.HierarchyHasSprite();
if (!hierarchyHasMeshes && !hierarchyHasSprites)
{
return(new ObjectSnapResult());
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Sprite | GameObjectType.Mesh;
bool isSurfaceSpherical = snapConfig.SurfaceType == Type.SphericalMesh;
bool isSurfaceTerrain = snapConfig.SurfaceType == Type.UnityTerrain || snapConfig.SurfaceType == Type.TerrainMesh;
bool isSurfaceUnityTerrain = snapConfig.SurfaceType == Type.UnityTerrain;
var raycaster = CreateSurfaceRaycaster(snapConfig.SurfaceType, snapConfig.SurfaceObject, true);
if (snapConfig.SurfaceType != Type.SceneGrid)
{
Transform rootTransform = root.transform;
if (snapConfig.AlignAxis)
{
if (isSurfaceTerrain)
{
rootTransform.Align(Vector3.up, snapConfig.AlignmentAxis);
OOBB hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
if (!hierarchyOOBB.IsValid)
{
return(new ObjectSnapResult());
}
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, -Vector3.up);
var collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
if (collectedVerts.Count != 0)
{
Vector3 vertsCenter = Vector3Ex.GetPointCloudCenter(collectedVerts);
Ray ray = new Ray(vertsCenter + Vector3.up * 1e-3f, -Vector3.up);
GameObjectRayHit surfaceHit = raycaster.Raycast(ray);
if (surfaceHit != null)
{
Vector3 alignmentAxis = surfaceHit.HitNormal;
if (isSurfaceUnityTerrain)
{
Terrain terrain = snapConfig.SurfaceObject.GetComponent <Terrain>();
alignmentAxis = terrain.GetInterpolatedNormal(surfaceHit.HitPoint);
}
Quaternion appliedRotation = rootTransform.Align(alignmentAxis, snapConfig.AlignmentAxis);
hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
appliedRotation.RotatePoints(collectedVerts, rootTransform.position);
Vector3 sitOnPlaneOffset = Surface.CalculateSitOnSurfaceOffset(hierarchyOOBB, new Plane(Vector3.up, surfaceHit.HitPoint), 0.1f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
Vector3 embedVector = Surface.CalculateEmbedVector(collectedVerts, snapConfig.SurfaceObject, -Vector3.up, snapConfig.SurfaceType);
rootTransform.position += (embedVector + alignmentAxis * snapConfig.OffsetFromSurface);
return(new ObjectSnapResult(new Plane(alignmentAxis, surfaceHit.HitPoint), surfaceHit.HitPoint));
}
}
}
else
{
if (!isSurfaceSpherical)
{
rootTransform.Align(snapConfig.SurfaceHitNormal, snapConfig.AlignmentAxis);
OOBB hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
if (!hierarchyOOBB.IsValid)
{
return(new ObjectSnapResult());
}
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, -snapConfig.SurfaceHitNormal);
var collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
if (collectedVerts.Count != 0)
{
Vector3 vertsCenter = Vector3Ex.GetPointCloudCenter(collectedVerts);
// Note: Cast the ray from far away enough so that we don't cast from the interior of the mesh.
// This can happen when the object is embedded inside the mesh surface.
AABB surfaceAABB = ObjectBounds.CalcMeshWorldAABB(snapConfig.SurfaceObject);
float sphereRadius = surfaceAABB.Extents.magnitude;
Vector3 rayOrigin = vertsCenter + snapConfig.SurfaceHitNormal * sphereRadius;
Ray ray = new Ray(rayOrigin, -snapConfig.SurfaceHitNormal);
GameObjectRayHit surfaceHit = raycaster.Raycast(ray);
if (surfaceHit != null)
{
Vector3 alignmentAxis = surfaceHit.HitNormal;
Quaternion appliedRotation = rootTransform.Align(alignmentAxis, snapConfig.AlignmentAxis);
hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
appliedRotation.RotatePoints(collectedVerts, rootTransform.position);
Vector3 sitOnPlaneOffset = Surface.CalculateSitOnSurfaceOffset(hierarchyOOBB, surfaceHit.HitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
return(new ObjectSnapResult(new Plane(alignmentAxis, surfaceHit.HitPoint), surfaceHit.HitPoint));
}
}
}
else
{
Transform surfaceObjectTransform = snapConfig.SurfaceObject.transform;
Vector3 sphereCenter = surfaceObjectTransform.position;
Vector3 radiusDir = (rootTransform.position - sphereCenter).normalized;
float sphereRadius = surfaceObjectTransform.lossyScale.GetMaxAbsComp() * 0.5f;
rootTransform.Align(radiusDir, snapConfig.AlignmentAxis);
OOBB hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
if (!hierarchyOOBB.IsValid)
{
return(new ObjectSnapResult());
}
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, -radiusDir);
var collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
Vector3 sitPoint = sphereCenter + radiusDir * sphereRadius;
Plane sitPlane = new Plane(radiusDir, sitPoint);
Vector3 sitOnPlaneOffset = Surface.CalculateSitOnSurfaceOffset(hierarchyOOBB, sitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
return(new ObjectSnapResult(sitPlane, sitPoint));
}
}
}
else
{
OOBB hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
if (!hierarchyOOBB.IsValid)
{
return(new ObjectSnapResult());
}
if (isSurfaceTerrain || (!isSurfaceSpherical && snapConfig.SurfaceType == Type.Mesh))
{
Ray ray = new Ray(hierarchyOOBB.Center, isSurfaceTerrain ? -Vector3.up : -snapConfig.SurfaceHitNormal);
GameObjectRayHit surfaceHit = raycaster.Raycast(ray);
if (surfaceHit != null)
{
Vector3 sitOnPlaneOffset = Surface.CalculateSitOnSurfaceOffset(hierarchyOOBB, surfaceHit.HitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOOBB.Center += sitOnPlaneOffset;
if (isSurfaceTerrain)
{
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, -surfaceHit.HitNormal);
var collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
Vector3 embedVector = Surface.CalculateEmbedVector(collectedVerts, snapConfig.SurfaceObject, -surfaceHit.HitNormal, snapConfig.SurfaceType);
rootTransform.position += (embedVector + surfaceHit.HitNormal * snapConfig.OffsetFromSurface);
}
return(new ObjectSnapResult(surfaceHit.HitPlane, surfaceHit.HitPoint));
}
}
else
if (isSurfaceSpherical)
{
Transform surfaceObjectTransform = snapConfig.SurfaceObject.transform;
Vector3 sphereCenter = surfaceObjectTransform.position;
Vector3 radiusDir = (rootTransform.position - sphereCenter).normalized;
float sphereRadius = surfaceObjectTransform.lossyScale.GetMaxAbsComp() * 0.5f;
BoxFace pivotFace = BoxMath.GetMostAlignedFace(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, -radiusDir);
var collectedVerts = ObjectVertexCollect.CollectHierarchyVerts(root, pivotFace, collectBoxScale, collectEps);
Vector3 sitPoint = sphereCenter + radiusDir * sphereRadius;
Plane sitPlane = new Plane(radiusDir, sitPoint);
Vector3 sitOnPlaneOffset = Surface.CalculateSitOnSurfaceOffset(hierarchyOOBB, sitPlane, 0.0f);
rootTransform.position += sitOnPlaneOffset;
hierarchyOOBB.Center += sitOnPlaneOffset;
Vector3Ex.OffsetPoints(collectedVerts, sitOnPlaneOffset);
return(new ObjectSnapResult(sitPlane, sitPoint));
}
}
}
if (snapConfig.SurfaceType == Type.SceneGrid)
{
OOBB hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
if (!hierarchyOOBB.IsValid)
{
return(new ObjectSnapResult());
}
Transform rootTransform = root.transform;
if (snapConfig.AlignAxis)
{
rootTransform.Align(snapConfig.SurfaceHitNormal, snapConfig.AlignmentAxis);
hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
}
rootTransform.position += Surface.CalculateSitOnSurfaceOffset(hierarchyOOBB, snapConfig.SurfaceHitPlane, snapConfig.OffsetFromSurface);
return(new ObjectSnapResult(snapConfig.SurfaceHitPlane, snapConfig.SurfaceHitPlane.ProjectPoint(hierarchyOOBB.Center)));
}
return(new ObjectSnapResult());
}
public static List <Vector3> CollectHierarchyVerts(GameObject root, BoxFace collectFace, float collectBoxScale, float collectEps)
{
var meshObjects = root.GetMeshObjectsInHierarchy();
var spriteObjects = root.GetSpriteObjectsInHierarchy();
if (meshObjects.Count == 0 && spriteObjects.Count == 0)
{
return(new List <Vector3>());
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
OOBB hierarchyOOBB = ObjectBounds.CalcHierarchyWorldOOBB(root, boundsQConfig);
if (!hierarchyOOBB.IsValid)
{
return(new List <Vector3>());
}
int faceAxisIndex = BoxMath.GetFaceAxisIndex(collectFace);
Vector3 faceCenter = BoxMath.CalcBoxFaceCenter(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, collectFace);
Vector3 faceNormal = BoxMath.CalcBoxFaceNormal(hierarchyOOBB.Center, hierarchyOOBB.Size, hierarchyOOBB.Rotation, collectFace);
float sizeEps = collectEps * 2.0f;
Vector3 collectAABBSize = hierarchyOOBB.Size;
collectAABBSize[faceAxisIndex] = (hierarchyOOBB.Size[faceAxisIndex] * collectBoxScale) + sizeEps;
collectAABBSize[(faceAxisIndex + 1) % 3] += sizeEps;
collectAABBSize[(faceAxisIndex + 2) % 3] += sizeEps;
OOBB collectOOBB = new OOBB(faceCenter + faceNormal * (-collectAABBSize[faceAxisIndex] * 0.5f + collectEps), collectAABBSize);
collectOOBB.Rotation = hierarchyOOBB.Rotation;
var collectedVerts = new List <Vector3>(80);
foreach (var meshObject in meshObjects)
{
Mesh mesh = meshObject.GetMesh();
EditorMesh editorMesh = EditorMeshDb.Get.GetEditorMesh(mesh);
if (editorMesh == null)
{
continue;
}
var verts = editorMesh.OverlapVerts(collectOOBB, meshObject.transform);
if (verts.Count != 0)
{
collectedVerts.AddRange(verts);
}
}
foreach (var spriteObject in spriteObjects)
{
var verts = CollectWorldSpriteVerts(spriteObject.GetSprite(), spriteObject.transform, collectOOBB);
if (verts.Count != 0)
{
collectedVerts.AddRange(verts);
}
}
return(collectedVerts);
}
