public static List <GameObject> GetVisibleObjects(this Camera camera, CameraViewVolume viewVolume)
{
// Retrieve the objects which are overlapped by the camera volume's OBB
List <GameObject> overlappedObjects = RTScene.Get.OverlapBox(viewVolume.WorldOBB);
if (overlappedObjects.Count == 0)
{
return(new List <GameObject>());
}
// Loop through each overlapped object
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(1e-5f);
var visibleObjects = new List <GameObject>(overlappedObjects.Count);
foreach (var gameObject in overlappedObjects)
{
// Retrieve the object's world AABB
AABB worldAABB = ObjectBounds.CalcWorldAABB(gameObject, boundsQConfig);
// If the AABB is valid and if the camera's view volume intersects the AABB,
// it means we are dealing with a visible object so we store it inside the
// output list.
if (worldAABB.IsValid && viewVolume.CheckAABB(worldAABB))
{
visibleObjects.Add(gameObject);
}
}
return(visibleObjects);
}
public List <GameObject> OverlapBox(OBB obb)
{
List <SphereTreeNode <GameObject> > overlappedNodes = _objectTree.OverlapBox(obb);
if (overlappedNodes.Count == 0)
{
return(new List <GameObject>());
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(RTScene.Get.Settings.NonMeshObjectSize);
var overlappedObjects = new List <GameObject>();
foreach (SphereTreeNode <GameObject> node in overlappedNodes)
{
GameObject sceneObject = (GameObject)node.Data;
if (sceneObject == null || !sceneObject.activeInHierarchy)
{
continue;
}
OBB worldOBB = ObjectBounds.CalcWorldOBB(sceneObject, boundsQConfig);
if (obb.IntersectsOBB(worldOBB))
{
overlappedObjects.Add(sceneObject);
}
}
return(overlappedObjects);
}
protected override void CalculateDragValues()
{
Vector3 planeDragPoint = _planeDragSession.DragPoint;
Vector3 offsetFromScaleOrigin = (planeDragPoint - _workData.DragOrigin);
float dragAlongAxis0 = offsetFromScaleOrigin.Dot(_planeAxis0);
float dragAlongAxis1 = offsetFromScaleOrigin.Dot(_planeAxis1);
if (CanSnap())
{
_relativeDragScale = Vector3.one;
float accumDrag = (dragAlongAxis0 + dragAlongAxis1);
if (SnapMath.CanExtractSnap(_workData.SnapStep, accumDrag))
{
float oldScaledSize = _scaledSize;
_scaledSize = _workData.BaseSize + SnapMath.ExtractSnap(_workData.SnapStep, accumDrag);
_relativeScale = _scaledSize / oldScaledSize;
_totalScale = _scaledSize / _workData.BaseSize;
_relativeDragScale = Vector3Ex.FromValue(_relativeScale);
}
}
else
{
float oldScaledSize = _scaledSize;
_scaledSize = _workData.BaseSize + (dragAlongAxis0 + dragAlongAxis1) * Sensitivity;
_relativeScale = _scaledSize / oldScaledSize;
_totalScale = _scaledSize / _workData.BaseSize;
_relativeDragScale = Vector3Ex.FromValue(_relativeScale);
}
_totalDragScale = Vector3Ex.FromValue(_totalScale);
}
protected override void CalculateDragValues()
{
if (CanSnap())
{
_relativeDragScale = Vector3.one;
_accumSnapDrag += _planeDragSession.DragDelta.Dot(_scaleDragAxis);
if (SnapMath.CanExtractSnap(_workData.SnapStep, _accumSnapDrag))
{
float snapAmount = SnapMath.ExtractSnap(_workData.SnapStep, ref _accumSnapDrag);
float oldScale = _scale;
_scale += snapAmount;
_relativeScale = _scale / oldScale;
_totalScale = _scale / 1.0f;
_relativeDragScale = Vector3Ex.FromValue(_relativeScale);
}
}
else
{
_accumSnapDrag = 0;
float oldScale = _scale;
_scale += _planeDragSession.DragDelta.Dot(_scaleDragAxis) * Sensitivity;
_relativeScale = _scale / oldScale;
_totalScale = _scale / 1.0f;
_relativeDragScale = Vector3Ex.FromValue(_relativeScale);
}
_totalDragScale = Vector3Ex.FromValue(_totalScale);
}
public override void Render(Camera camera)
{
var sgLookAndFeel = _sceneGizmo.LookAndFeel;
RTSceneGizmoCamera sceneGizmoCamera = _sceneGizmo.SceneGizmoCamera;
_cap.Render(camera);
if (_axisDesc.IsPositive)
{
GizmoLabelMaterial labelMaterial = GizmoLabelMaterial.Get;
labelMaterial.SetZWriteEnabled(false);
labelMaterial.SetZTestLessEqual();
labelMaterial.SetColor(ColorEx.KeepAllButAlpha(sgLookAndFeel.AxesLabelTint, _color.Value.a));
labelMaterial.SetTexture(_labelTexture);
labelMaterial.SetPass(0);
Vector3 gizmoAxis = _sceneGizmo.Gizmo.Transform.GetAxis3D(_axisDesc);
Vector3 labelScale = Vector3Ex.FromValue(sgLookAndFeel.GetAxesLabelWorldSize(sceneGizmoCamera.Camera, _cap.Position));
Vector3 labelPos = _cap.Position + gizmoAxis * (labelScale.x * 0.5f);
Vector2 labelScreenPos = sceneGizmoCamera.Camera.WorldToScreenPoint(labelPos);
Vector2 midAxisScreenPos = sceneGizmoCamera.Camera.WorldToScreenPoint(_sceneGizmo.SceneGizmoCamera.LookAtPoint);
Vector2 labelScreenDir = (labelScreenPos - midAxisScreenPos).normalized;
float absDotCamLook = Mathf.Abs(Vector3Ex.AbsDot(sceneGizmoCamera.Look, gizmoAxis));
labelScreenPos = labelScreenPos + Vector2.Scale(labelScreenDir, Vector2Ex.FromValue(SceneGizmoLookAndFeel.AxisLabelScreenSize)) * absDotCamLook;
labelPos = sceneGizmoCamera.Camera.ScreenToWorldPoint(new Vector3(labelScreenPos.x, labelScreenPos.y, (labelPos - sceneGizmoCamera.WorldPosition).magnitude));
Quaternion labelRotation = Quaternion.LookRotation(sceneGizmoCamera.Look, sceneGizmoCamera.Up);
Matrix4x4 labelTransformMtx = Matrix4x4.TRS(labelPos, labelRotation, labelScale);
Graphics.DrawMeshNow(MeshPool.Get.UnitQuadXY, labelTransformMtx);
}
}
public bool OverlapBox(OBB obb, List <GameObject> gameObjects)
{
gameObjects.Clear();
if (!_objectTree.OverlapBox(obb, _nodeBuffer))
{
return(false);
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(_nonMeshObjectSize);
foreach (SphereTreeNode <GameObject> node in _nodeBuffer)
{
GameObject sceneObject = (GameObject)node.Data;
if (sceneObject == null || !sceneObject.activeInHierarchy)
{
continue;
}
OBB worldOBB = ObjectBounds.CalcWorldOBB(sceneObject, boundsQConfig);
if (obb.IntersectsOBB(worldOBB))
{
gameObjects.Add(sceneObject);
}
}
return(gameObjects.Count != 0);
}
private ObjectBounds.QueryConfig GetObjectBoundsQConfig()
{
var config = new ObjectBounds.QueryConfig();
config.NoVolumeSize = Vector3Ex.FromValue(1e-6f);
config.ObjectTypes = GameObjectTypeHelper.AllCombined;
return(config);
}
public static Vector3 GetPointCloudCenter(IEnumerable <Vector3> ptCloud)
{
Vector3 max = Vector3Ex.FromValue(float.MinValue);
Vector3 min = Vector3Ex.FromValue(float.MaxValue);
foreach (var pt in ptCloud)
{
max = Vector3.Max(max, pt);
min = Vector3.Min(min, pt);
}
return((max + min) * 0.5f);
}
public override void UpdateEpsilons(float zoomFactor)
{
Vector3 sizeEps = Vector3Ex.FromValue(_data.PlaneSlider.Settings.BorderBoxHoverEps * zoomFactor);
_data.TopLeftBox.SizeEps = sizeEps;
_data.TopRightBox.SizeEps = sizeEps;
_data.BottomRightBox.SizeEps = sizeEps;
_data.BottomLeftBox.SizeEps = sizeEps;
_data.TopBox.SizeEps = sizeEps;
_data.BottomBox.SizeEps = sizeEps;
_data.LeftBox.SizeEps = sizeEps;
_data.RightBox.SizeEps = sizeEps;
}
private void UpdateTransform(Camera camera)
{
Vector3 midAxisPos = _sceneGizmo.SceneGizmoCamera.LookAtPoint;
RTSceneGizmoCamera sceneGizmoCamera = _sceneGizmo.SceneGizmoCamera;
Vector3 axisDirection = _sceneGizmo.Gizmo.Transform.GetAxis3D(_axisDesc);
_zoomFactorTransform.Position3D = midAxisPos;
float zoomFactor = _cap.GetZoomFactor(camera);
Vector3 midCapSize = _sceneGizmo.LookAndFeel.MidCapType == GizmoCap3DType.Box ?
Vector3Ex.FromValue(SceneGizmoLookAndFeel.MidCapBoxSize * zoomFactor) : Vector3Ex.FromValue(SceneGizmoLookAndFeel.MidCapSphereRadius * 2.0f * zoomFactor);
Vector3 midBoxFaceCenter = BoxMath.CalcBoxFaceCenter(midAxisPos, midCapSize, Quaternion.identity, _midAxisBoxFace);
_cap.CapSlider3DInvert(axisDirection, midBoxFaceCenter);
}
public void OnObjectTransformChanged(Transform objectTransform)
{
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(_nonMeshObjectSize);
AABB worldAABB = ObjectBounds.CalcWorldAABB(objectTransform.gameObject, boundsQConfig);
Sphere worldSphere = new Sphere(worldAABB);
SphereTreeNode <GameObject> objectNode = _objectToNode[objectTransform.gameObject];
objectNode.Sphere = worldSphere;
_objectTree.OnNodeSphereUpdated(objectNode);
RTFocusCamera.Get.SetObjectVisibilityDirty();
}
public static GameObject SpawnInFrontOfCamera(GameObject sourceObject, Camera camera, float objectSize)
{
float halfSize = objectSize * 0.5f;
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(1.0f);
Transform cameraTransform = camera.transform;
AABB aabb = ObjectBounds.CalcHierarchyWorldAABB(sourceObject, boundsQConfig);
if (!aabb.IsValid)
{
return(null);
}
Sphere sphere = new Sphere(aabb);
Vector3 fromCenterToPos = sourceObject.transform.position - sphere.Center;
float zOffset = Mathf.Max(camera.nearClipPlane + sphere.Radius, sphere.Radius / halfSize);
Vector3 spherePos = cameraTransform.position + cameraTransform.forward * zOffset;
GameObject spawned = GameObject.Instantiate(sourceObject, spherePos + fromCenterToPos, sourceObject.transform.rotation) as GameObject;
OBB spawnedOBB = ObjectBounds.CalcHierarchyWorldOBB(spawned, boundsQConfig);
Ray ray = new Ray(camera.transform.position, (spawnedOBB.Center - camera.transform.position).normalized);
var raycastFilter = new SceneRaycastFilter();
raycastFilter.AllowedObjectTypes.Add(GameObjectType.Mesh);
var rayHit = RTScene.Get.Raycast(ray, SceneRaycastPrecision.BestFit, raycastFilter);
if (rayHit.WasAnObjectHit)
{
Vector3 oldCenter = spawnedOBB.Center;
spawnedOBB.Center = rayHit.ObjectHit.HitPoint;
Vector3 offsetVector = spawnedOBB.Center - oldCenter;
offsetVector += ObjectSurfaceSnap.CalculateSitOnSurfaceOffset(spawnedOBB, rayHit.ObjectHit.HitPlane, 0.0f);
spawned.transform.position += offsetVector;
}
return(spawned);
}
public void RegisterObject(GameObject gameObject)
{
if (!CanRegisterObject(gameObject))
{
return;
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(RTScene.Get.Settings.NonMeshObjectSize);
AABB worldAABB = ObjectBounds.CalcWorldAABB(gameObject, boundsQConfig);
Sphere worldSphere = new Sphere(worldAABB);
SphereTreeNode <GameObject> objectNode = _objectTree.AddNode(gameObject, worldSphere);
_objectToNode.Add(gameObject, objectNode);
RTFocusCamera.Get.SetObjectVisibilityDirty();
}
private void GatherDestinationObjects()
{
Camera focusCamera = RTFocusCamera.Get.TargetCamera;
_destinationObjects.Clear();
IInputDevice inputDevice = RTInputDevice.Get.Device;
if (!inputDevice.HasPointer())
{
return;
}
Vector2 inputDevicePos = inputDevice.GetPositionYAxisUp();
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(1e-5f);
RTFocusCamera.Get.GetVisibleObjects(_visibleObjectBuffer);
List <GameObject> targetObjects = new List <GameObject>(_targetObjects);
_visibleObjectBuffer.RemoveAll(a => targetObjects.Contains(a) ||
!ObjectBounds.CalcScreenRect(a, focusCamera, boundsQConfig).Contains(inputDevicePos) ||
targetObjects.FindAll(b => a.transform.IsChildOf(b.transform)).Count != 0);
foreach (var visibleObject in _visibleObjectBuffer)
{
if (!CanUseObjectAsSnapDestination(visibleObject))
{
continue;
}
GameObjectType objectType = visibleObject.GetGameObjectType();
if (objectType == GameObjectType.Mesh || objectType == GameObjectType.Sprite)
{
_destinationObjects.Add(visibleObject);
}
}
}
public bool RaycastAll(Ray ray, SceneRaycastPrecision raycastPresicion, List <GameObjectRayHit> hits)
{
hits.Clear();
if (!_objectTree.RaycastAll(ray, _nodeHitBuffer))
{
return(false);
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectTypeHelper.AllCombined;
boundsQConfig.NoVolumeSize = Vector3Ex.FromValue(_nonMeshObjectSize);
Vector3 camLook = RTFocusCamera.Get.Look;
if (raycastPresicion == SceneRaycastPrecision.BestFit)
{
foreach (var nodeHit in _nodeHitBuffer)
{
GameObject sceneObject = nodeHit.HitNode.Data;
if (sceneObject == null || !sceneObject.activeInHierarchy)
{
continue;
}
Renderer renderer = sceneObject.GetComponent <Renderer>();
if (renderer != null && !renderer.isVisible)
{
continue;
}
GameObjectType objectType = sceneObject.GetGameObjectType();
if (objectType == GameObjectType.Mesh)
{
GameObjectRayHit objectHit = RaycastMeshObject(ray, sceneObject);
if (objectHit != null)
{
hits.Add(objectHit);
}
}
else
if (objectType == GameObjectType.Terrain)
{
TerrainCollider terrainCollider = sceneObject.GetComponent <TerrainCollider>();
if (terrainCollider != null)
{
RaycastHit hitInfo;
if (terrainCollider.Raycast(ray, out hitInfo, float.MaxValue))
{
hits.Add(new GameObjectRayHit(ray, hitInfo));
}
}
}
else
if (objectType == GameObjectType.Sprite)
{
GameObjectRayHit objectHit = RaycastSpriteObject(ray, sceneObject);
if (objectHit != null)
{
hits.Add(objectHit);
}
}
else
{
OBB worldOBB = ObjectBounds.CalcWorldOBB(sceneObject, boundsQConfig);
if (worldOBB.IsValid)
{
float t;
if (BoxMath.Raycast(ray, out t, worldOBB.Center, worldOBB.Size, worldOBB.Rotation))
{
var faceDesc = BoxMath.GetFaceClosestToPoint(ray.GetPoint(t), worldOBB.Center, worldOBB.Size, worldOBB.Rotation, camLook);
var hit = new GameObjectRayHit(ray, sceneObject, faceDesc.Plane.normal, t);
hits.Add(hit);
}
}
}
}
}
else
if (raycastPresicion == SceneRaycastPrecision.Box)
{
foreach (var nodeHit in _nodeHitBuffer)
{
GameObject sceneObject = nodeHit.HitNode.Data;
if (sceneObject == null || !sceneObject.activeInHierarchy)
{
continue;
}
Renderer renderer = sceneObject.GetComponent <Renderer>();
if (renderer != null && !renderer.isVisible)
{
continue;
}
OBB worldOBB = ObjectBounds.CalcWorldOBB(sceneObject, boundsQConfig);
if (worldOBB.IsValid)
{
float t;
if (BoxMath.Raycast(ray, out t, worldOBB.Center, worldOBB.Size, worldOBB.Rotation))
{
var faceDesc = BoxMath.GetFaceClosestToPoint(ray.GetPoint(t), worldOBB.Center, worldOBB.Size, worldOBB.Rotation, camLook);
var hit = new GameObjectRayHit(ray, sceneObject, faceDesc.Plane.normal, t);
hits.Add(hit);
}
}
}
}
return(hits.Count != 0);
}
/// <summary>
/// Allows the node to render itself for debugging purposes. The client
/// code is responsible for setting up the rendering material.
/// </summary>
/// <remarks>
/// This method is recursive and will draw the node's children also. Thus,
/// it is enough to call this method for the root of a sphere tree in order
/// to draw the entire tree.
/// </remarks>
public void DebugDraw()
{
// Draw the node
Matrix4x4 nodeTransform = Matrix4x4.TRS(_sphere.Center, Quaternion.identity, Vector3Ex.FromValue(_sphere.Radius));
Graphics.DrawMeshNow(MeshPool.Get.UnitSphere, nodeTransform);
// Draw the node's children
foreach (var child in _children)
{
child.DebugDraw();
}
}
public override AABB GetAABB()
{
float sphereRadius = TorusMath.CalcSphereRadius(_coreRadius, _tubeRadius);
return(new AABB(_center, Vector3Ex.FromValue(sphereRadius * 2.0f)));
}
public override void RenderWire()
{
Graphics.DrawMeshNow(MeshPool.Get.UnitWireCircleXY, Matrix4x4.TRS(_center, _rotation, Vector3Ex.FromValue(_radius)));
}
public void Inflate(float amount)
{
Size += Vector3Ex.FromValue(amount);
}
public override AABB GetAABB()
{
return(new AABB(_center, Vector3Ex.FromValue(_radius * 2.0f)));
}
public override void RenderSolid()
{
Graphics.DrawMeshNow(MeshPool.Get.UnitSphere, Matrix4x4.TRS(Center, Quaternion.identity, Vector3Ex.FromValue(Radius)));
}