private void TrySetDefaultMaterial()
{
if (wireframeMaterial == null)
{
wireframeMaterial = VisualUtils.CreateDefaultMaterial();
}
}
internal void Create(ref Vector3[] boundsCorners, Transform parent, bool isFlattened)
{
// create corners
for (int i = 0; i < boundsCorners.Length; ++i)
{
GameObject corner = new GameObject
{
name = "corner_" + i.ToString()
};
corner.transform.parent = parent;
corner.transform.localPosition = boundsCorners[i];
GameObject visualsScale = new GameObject();
visualsScale.name = "visualsScale";
visualsScale.transform.parent = corner.transform;
visualsScale.transform.localPosition = Vector3.zero;
// Compute mirroring scale
{
Vector3 p = boundsCorners[i];
visualsScale.transform.localScale = new Vector3(Mathf.Sign(p[0]), Mathf.Sign(p[1]), Mathf.Sign(p[2]));
}
Bounds visualBounds = CreateVisual(visualsScale, isFlattened);
var invScale = visualBounds.size.x == 0.0f ? 0.0f : config.HandleSize / visualBounds.size.x;
VisualUtils.AddComponentsToAffordance(corner, new Bounds(visualBounds.center * invScale, visualBounds.size * invScale),
HandlePrefabCollider.Box, CursorContextInfo.CursorAction.Scale, config.ColliderPadding, parent, config.DrawTetherWhenManipulating);
handles.Add(corner.transform);
}
VisualUtils.HandleIgnoreCollider(config.HandlesIgnoreCollider, handles);
objectsChangedEvent.Invoke(this);
}
private Vector3 GetBoxDisplayScale(Vector3 currentBoundsExtents, FlattenModeType flattenAxis)
{
// When a box is flattened one axis is normally scaled to zero, this doesn't always work well with visuals so we take
// that flattened axis and re-scale it to the flattenAxisDisplayScale.
Vector3 displayScale = VisualUtils.FlattenBounds(currentBoundsExtents, flattenAxis, config.FlattenAxisDisplayScale);
return(2.0f * displayScale);
}
internal void SetHighlighted()
{
//update the box material to the grabbed material
if (boxDisplay != null)
{
VisualUtils.ApplyMaterialToAllRenderers(boxDisplay, config.BoxGrabbedMaterial);
}
}
protected void UpdateColliderBounds()
{
foreach (var handle in handles)
{
var handleBounds = VisualUtils.GetMaxBounds(GetVisual(handle).gameObject);
UpdateColliderBounds(handle, handleBounds.size);
}
}
internal void ResetVisibility(bool activate)
{
//set box display visibility
if (boxDisplay != null)
{
boxDisplay.SetActive(activate);
VisualUtils.ApplyMaterialToAllRenderers(boxDisplay, config.BoxMaterial);
}
}
internal void UpdateLinkPositions(ref Vector3[] boundsCorners)
{
if (boundsCorners != null)
{
for (int i = 0; i < links.Count; ++i)
{
links[i].transform.position = VisualUtils.GetLinkPosition(i, ref boundsCorners);
}
}
}
private void CreateHandles(Transform parent, bool drawManipulationTether)
{
for (int i = 0; i < edgeCenters.Length; ++i)
{
GameObject midpoint = new GameObject();
midpoint.name = "midpoint_" + i.ToString();
midpoint.transform.position = edgeCenters[i];
midpoint.transform.parent = parent;
GameObject midpointVisual;
GameObject prefabType = config.HandlePrefab;
if (prefabType != null)
{
midpointVisual = GameObject.Instantiate(prefabType);
}
else
{
midpointVisual = GameObject.CreatePrimitive(PrimitiveType.Sphere);
GameObject.Destroy(midpointVisual.GetComponent <SphereCollider>());
}
// Align handle with its edge assuming that the prefab is initially aligned with the up direction
if (edgeAxes[i] == CardinalAxisType.X)
{
Quaternion realignment = Quaternion.FromToRotation(Vector3.up, Vector3.right);
midpointVisual.transform.localRotation = realignment * midpointVisual.transform.localRotation;
}
else if (edgeAxes[i] == CardinalAxisType.Z)
{
Quaternion realignment = Quaternion.FromToRotation(Vector3.up, Vector3.forward);
midpointVisual.transform.localRotation = realignment * midpointVisual.transform.localRotation;
}
Bounds midpointBounds = VisualUtils.GetMaxBounds(midpointVisual);
float maxDim = Mathf.Max(
Mathf.Max(midpointBounds.size.x, midpointBounds.size.y),
midpointBounds.size.z);
float invScale = config.HandleSize / maxDim;
midpointVisual.name = "visuals";
midpointVisual.transform.parent = midpoint.transform;
midpointVisual.transform.localScale = new Vector3(invScale, invScale, invScale);
midpointVisual.transform.localPosition = Vector3.zero;
VisualUtils.AddComponentsToAffordance(midpoint, new Bounds(midpointBounds.center * invScale, midpointBounds.size * invScale),
config.RotationHandlePrefabColliderType, CursorContextInfo.CursorAction.Rotate, config.ColliderPadding, parent, drawManipulationTether);
handles.Add(midpoint.transform);
if (config.HandleMaterial != null)
{
VisualUtils.ApplyMaterialToAllRenderers(midpointVisual, config.HandleMaterial);
}
}
}
/// <inheritdoc/>
internal override void CalculateHandlePositions(ref Vector3[] boundsCorners)
{
if (boundsCorners != null && HandlePositions != null)
{
for (int i = 0; i < HandlePositions.Length; ++i)
{
HandlePositions[i] = VisualUtils.GetLinkPosition(i, ref boundsCorners);
}
UpdateHandles();
}
}
internal void ResetHandleVisibility(bool isVisible)
{
if (handles != null)
{
for (int i = 0; i < handles.Count; ++i)
{
handles[i].gameObject.SetActive(isVisible && IsVisible(handles[i]));
VisualUtils.ApplyMaterialToAllRenderers(handles[i].gameObject, BaseConfig.HandleMaterial);
}
}
}
internal protected void TrySetDefaultMaterial()
{
if (handleMaterial == null)
{
handleMaterial = VisualUtils.CreateDefaultMaterial();
}
if (handleGrabbedMaterial == null && handleGrabbedMaterial != handleMaterial)
{
handleGrabbedMaterial = VisualUtils.CreateDefaultMaterial();
}
}
internal void CreateLinks(ref Vector3[] boundsCorners, Transform parent, Vector3 currentBoundsExtents)
{
// create links
if (links != null)
{
GameObject link;
Vector3 linkDimensions = GetLinkDimensions(currentBoundsExtents);
for (int i = 0; i < VisualUtils.EdgeAxisType.Length; ++i)
{
if (config.WireframeShape == WireframeType.Cubic)
{
link = GameObject.CreatePrimitive(PrimitiveType.Cube);
Object.Destroy(link.GetComponent <BoxCollider>());
}
else
{
link = GameObject.CreatePrimitive(PrimitiveType.Cylinder);
Object.Destroy(link.GetComponent <CapsuleCollider>());
}
link.name = "link_" + i.ToString();
CardinalAxisType axisType = VisualUtils.EdgeAxisType[i];
float wireframeEdgeRadius = config.WireframeEdgeRadius;
if (axisType == CardinalAxisType.Y)
{
link.transform.localScale = new Vector3(wireframeEdgeRadius, linkDimensions.y, wireframeEdgeRadius);
link.transform.Rotate(new Vector3(0.0f, 90.0f, 0.0f));
}
else if (axisType == CardinalAxisType.Z)
{
link.transform.localScale = new Vector3(wireframeEdgeRadius, linkDimensions.z, wireframeEdgeRadius);
link.transform.Rotate(new Vector3(90.0f, 0.0f, 0.0f));
}
else//X
{
link.transform.localScale = new Vector3(wireframeEdgeRadius, linkDimensions.x, wireframeEdgeRadius);
link.transform.Rotate(new Vector3(0.0f, 0.0f, 90.0f));
}
link.transform.position = VisualUtils.GetLinkPosition(i, ref boundsCorners);
link.transform.parent = parent;
Renderer linkRenderer = link.GetComponent <Renderer>();
if (config.WireframeMaterial != null)
{
linkRenderer.material = config.WireframeMaterial;
}
link.SetActive(config.ShowWireFrame);
links.Add(new Link(link.transform, axisType));
}
}
}
internal void CalculateEdgeCenters(ref Vector3[] boundsCorners)
{
if (boundsCorners != null && edgeCenters != null)
{
for (int i = 0; i < edgeCenters.Length; ++i)
{
edgeCenters[i] = VisualUtils.GetLinkPosition(i, ref boundsCorners);
}
}
UpdateHandles();
}
private void UpdateBounds()
{
if (TargetBounds != null)
{
Vector3 newExtents = CalculateBoundsExtents();
if (newExtents != Vector3.zero)
{
currentBoundsExtents = newExtents;
VisualUtils.GetCornerPositionsFromBounds(new Bounds(Vector3.zero, currentBoundsExtents * 2.0f), ref boundsCorners);
}
}
}
protected void UpdateBaseMaterial()
{
if (handles != null)
{
for (int i = 0; i < handles.Count; ++i)
{
if (handles[i] != highlightedHandle)
{
VisualUtils.ApplyMaterialToAllRenderers(handles[i].gameObject, BaseConfig.HandleMaterial);
}
}
}
}
internal void AddBoxDisplay(Transform parent, Vector3 currentBoundsExtents, FlattenModeType flattenAxis)
{
if (config.BoxMaterial != null)
{
// this has to be cube even in flattened mode as flattened box display can still have a thickness of flattenAxisDisplayScale
boxDisplay = GameObject.CreatePrimitive(PrimitiveType.Cube);
GameObject.Destroy(boxDisplay.GetComponent <Collider>());
boxDisplay.name = "bounding box";
VisualUtils.ApplyMaterialToAllRenderers(boxDisplay, config.BoxMaterial);
boxDisplay.transform.localScale = GetBoxDisplayScale(currentBoundsExtents, flattenAxis);
boxDisplay.transform.parent = parent;
}
}
internal void Reset(bool visible)
{
isVisible = visible;
// Set box display visibility
if (boxDisplay != null)
{
bool activate = config.BoxMaterial != null && isVisible; // only set active if material is set
boxDisplay.SetActive(activate);
if (activate)
{
VisualUtils.ApplyMaterialToAllRenderers(boxDisplay, config.BoxMaterial);
}
}
}
protected void ResetHandles()
{
if (handles != null)
{
for (int i = 0; i < handles.Count; ++i)
{
bool isVisible = IsVisible(handles[i]);
handles[i].gameObject.SetActive(isVisible);
if (isVisible)
{
VisualUtils.ApplyMaterialToAllRenderers(handles[i].gameObject, BaseConfig.HandleMaterial);
}
}
}
highlightedHandle = null;
}
internal void Reset(bool areHandlesActive, FlattenModeType flattenAxis)
{
IsActive = areHandlesActive;
ResetHandles();
if (IsActive)
{
List <int> flattenedHandles = VisualUtils.GetFlattenedIndices(flattenAxis, handleAxes);
if (flattenedHandles != null)
{
for (int i = 0; i < flattenedHandles.Count; ++i)
{
handles[flattenedHandles[i]].gameObject.SetActive(false);
}
}
}
}
internal void Reset(bool areHandlesActive, FlattenModeType flattenAxis)
{
IsActive = areHandlesActive;
cachedFlattenAxis = flattenAxis;
if (IsActive)
{
ResetHandles();
int[] flattenedHandles = VisualUtils.GetFlattenedIndices(flattenAxis);
if (flattenedHandles != null)
{
for (int i = 0; i < flattenedHandles.Length; ++i)
{
handles[flattenedHandles[i]].gameObject.SetActive(false);
}
}
}
}
internal void SetHighlighted(Transform handleToHighlight)
{
// turn off all handles that aren't the handle we want to highlight
if (handles != null)
{
for (int i = 0; i < handles.Count; ++i)
{
if (handles[i] != handleToHighlight)
{
handles[i].gameObject.SetActive(false);
}
else
{
VisualUtils.ApplyMaterialToAllRenderers(handles[i].gameObject, BaseConfig.HandleGrabbedMaterial);
}
}
}
}
private Vector3 CalculateBoundsExtents()
{
// Store current rotation then zero out the rotation so that the bounds
// are computed when the object is in its 'axis aligned orientation'.
Quaternion currentRotation = Target.transform.rotation;
Target.transform.rotation = Quaternion.identity;
UnityPhysics.SyncTransforms(); // Update collider bounds
Vector3 boundsExtents = TargetBounds.bounds.extents;
// After bounds are computed, restore rotation...
Target.transform.rotation = currentRotation;
UnityPhysics.SyncTransforms();
// apply flattening
return(VisualUtils.FlattenBounds(boundsExtents, flattenAxis));
}
private void UpdateColliderType()
{
foreach (var handle in handles)
{
// remove old colliders
bool shouldCreateNewCollider = false;
var oldBoxCollider = handle.GetComponent <BoxCollider>();
if (oldBoxCollider != null && config.RotationHandlePrefabColliderType == HandlePrefabCollider.Sphere)
{
shouldCreateNewCollider = true;
Object.Destroy(oldBoxCollider);
}
var oldSphereCollider = handle.GetComponent <SphereCollider>();
if (oldSphereCollider != null && config.RotationHandlePrefabColliderType == HandlePrefabCollider.Box)
{
shouldCreateNewCollider = true;
Object.Destroy(oldSphereCollider);
}
if (shouldCreateNewCollider)
{
// attach new collider
var handleBounds = VisualUtils.GetMaxBounds(GetVisual(handle).gameObject);
var invScale = handleBounds.size.x == 0.0f ? 0.0f : config.HandleSize / handleBounds.size.x;
Vector3 colliderSizeScaled = handleBounds.size * invScale;
Vector3 colliderCenterScaled = handleBounds.center * invScale;
if (config.RotationHandlePrefabColliderType == HandlePrefabCollider.Box)
{
BoxCollider collider = handle.gameObject.AddComponent <BoxCollider>();
collider.size = colliderSizeScaled;
collider.center = colliderCenterScaled;
collider.size += config.ColliderPadding;
}
else
{
SphereCollider sphere = handle.gameObject.AddComponent <SphereCollider>();
sphere.center = colliderCenterScaled;
sphere.radius = colliderSizeScaled.x * 0.5f;
sphere.radius += VisualUtils.GetMaxComponent(config.ColliderPadding);
}
}
}
}
/// <summary>
/// Creates the corner visual and returns the bounds of the created visual
/// </summary>
/// <param name="parent">parent of visual</param>
/// <param name="isFlattened">instantiate in flattened mode - slate</param>
/// <returns>bounds of the created visual</returns>
private Bounds CreateVisual(GameObject parent, bool isFlattened)
{
// figure out which prefab to instantiate
GameObject cornerVisual = null;
areHandlesFlattened = isFlattened;
GameObject prefabType = isFlattened ? config.HandleSlatePrefab : config.HandlePrefab;
if (prefabType == null)
{
// instantiate default prefab, a cube. Remove the box collider from it
cornerVisual = GameObject.CreatePrimitive(PrimitiveType.Cube);
cornerVisual.transform.parent = parent.transform;
cornerVisual.transform.localPosition = Vector3.zero;
GameObject.Destroy(cornerVisual.GetComponent <BoxCollider>());
}
else
{
cornerVisual = GameObject.Instantiate(prefabType, parent.transform);
}
if (isFlattened)
{
// Rotate 2D slate handle asset for proper orientation
cornerVisual.transform.Rotate(0, 0, -90);
}
cornerVisual.name = visualsName;
// this is the size of the corner visuals
var cornerbounds = VisualUtils.GetMaxBounds(cornerVisual);
float maxDim = Mathf.Max(Mathf.Max(cornerbounds.size.x, cornerbounds.size.y), cornerbounds.size.z);
cornerbounds.size = maxDim * Vector3.one;
// we need to multiply by this amount to get to desired scale handle size
var invScale = cornerbounds.size.x == 0.0f ? 0.0f : config.HandleSize / cornerbounds.size.x;
cornerVisual.transform.localScale = new Vector3(invScale, invScale, invScale);
VisualUtils.ApplyMaterialToAllRenderers(cornerVisual, config.HandleMaterial);
return(cornerbounds);
}
private Bounds CreateVisual(int handleIndex, GameObject parent)
{
GameObject midpointVisual;
GameObject prefabType = config.HandlePrefab;
if (prefabType != null)
{
midpointVisual = Object.Instantiate(prefabType);
}
else
{
midpointVisual = GameObject.CreatePrimitive(PrimitiveType.Sphere);
Object.Destroy(midpointVisual.GetComponent <SphereCollider>());
}
// Align handle with its edge assuming that the prefab is initially aligned with the up direction
if (edgeAxes[handleIndex] == CardinalAxisType.X)
{
Quaternion realignment = Quaternion.FromToRotation(Vector3.up, Vector3.right);
midpointVisual.transform.localRotation = realignment * midpointVisual.transform.localRotation;
}
else if (edgeAxes[handleIndex] == CardinalAxisType.Z)
{
Quaternion realignment = Quaternion.FromToRotation(Vector3.up, Vector3.forward);
midpointVisual.transform.localRotation = realignment * midpointVisual.transform.localRotation;
}
Bounds midpointBounds = VisualUtils.GetMaxBounds(midpointVisual);
float maxDim = VisualUtils.GetMaxComponent(midpointBounds.size);
float invScale = maxDim == 0.0f ? 0.0f : config.HandleSize / maxDim;
midpointVisual.name = "visuals";
midpointVisual.transform.parent = parent.transform;
midpointVisual.transform.localScale = new Vector3(invScale, invScale, invScale);
midpointVisual.transform.localPosition = Vector3.zero;
if (config.HandleMaterial != null)
{
VisualUtils.ApplyMaterialToAllRenderers(midpointVisual, config.HandleMaterial);
}
return(midpointBounds);
}
protected override void UpdateColliderBounds(Transform handle, Vector3 visualSize)
{
var invScale = visualSize.x == 0.0f ? 0.0f : config.HandleSize / visualSize.x;
GetVisual(handle).transform.localScale = new Vector3(invScale, invScale, invScale);
Vector3 colliderSizeScaled = visualSize * invScale;
if (config.RotationHandlePrefabColliderType == HandlePrefabCollider.Box)
{
BoxCollider collider = handle.gameObject.GetComponent <BoxCollider>();
collider.size = colliderSizeScaled;
collider.size += BaseConfig.ColliderPadding;
}
else
{
SphereCollider collider = handle.gameObject.GetComponent <SphereCollider>();
collider.radius = colliderSizeScaled.x * 0.5f;
collider.radius += VisualUtils.GetMaxComponent(config.ColliderPadding);
}
}
internal void Reset(bool isVisible, FlattenModeType flattenAxis)
{
cachedFlattenAxis = flattenAxis;
if (links != null)
{
for (int i = 0; i < links.Count; ++i)
{
links[i].transform.gameObject.SetActive(isVisible && config.ShowWireFrame);
}
List <int> flattenedHandles = VisualUtils.GetFlattenedIndices(cachedFlattenAxis, VisualUtils.EdgeAxisType);
if (flattenedHandles != null)
{
for (int i = 0; i < flattenedHandles.Count; ++i)
{
links[flattenedHandles[i]].transform.gameObject.SetActive(false);
}
}
}
}
private void CreateHandles(Transform parent)
{
for (int i = 0; i < edgeCenters.Length; ++i)
{
GameObject midpoint = new GameObject();
midpoint.name = "midpoint_" + i.ToString();
midpoint.transform.position = edgeCenters[i];
midpoint.transform.parent = parent;
Bounds midpointBounds = CreateVisual(i, midpoint);
float maxDim = VisualUtils.GetMaxComponent(midpointBounds.size);
float invScale = maxDim == 0.0f ? 0.0f : config.HandleSize / maxDim;
VisualUtils.AddComponentsToAffordance(midpoint, new Bounds(midpointBounds.center * invScale, midpointBounds.size * invScale),
config.RotationHandlePrefabColliderType, CursorContextInfo.CursorAction.Rotate, config.ColliderPadding, parent, config.DrawTetherWhenManipulating);
handles.Add(midpoint.transform);
}
VisualUtils.HandleIgnoreCollider(config.HandlesIgnoreCollider, handles);
objectsChangedEvent.Invoke(this);
}
private Bounds CreateVisual(int handleIndex, GameObject parent)
{
GameObject midpointVisual;
GameObject prefabType = config.HandlePrefab;
if (prefabType != null)
{
midpointVisual = Object.Instantiate(prefabType);
}
else
{
midpointVisual = GameObject.CreatePrimitive(PrimitiveType.Sphere);
if (config.HandlePrefabColliderType != HandlePrefabCollider.Sphere)
{
Object.Destroy(midpointVisual.GetComponent <SphereCollider>());
}
}
Quaternion realignment = GetRotationRealignment(handleIndex);
midpointVisual.transform.localRotation = realignment * midpointVisual.transform.localRotation;
Bounds midpointBounds = VisualUtils.GetMaxBounds(midpointVisual);
float maxDim = VisualUtils.GetMaxComponent(midpointBounds.size);
float invScale = maxDim == 0.0f ? 0.0f : config.HandleSize / maxDim;
midpointVisual.name = visualsName;
midpointVisual.transform.parent = parent.transform;
midpointVisual.transform.localScale = new Vector3(invScale, invScale, invScale);
midpointVisual.transform.localPosition = Vector3.zero;
if (config.HandleMaterial != null)
{
VisualUtils.ApplyMaterialToAllRenderers(midpointVisual, config.HandleMaterial);
}
return(midpointBounds);
}
internal void HandleIgnoreCollider(Collider handlesIgnoreCollider)
{
VisualUtils.HandleIgnoreCollider(handlesIgnoreCollider, handles);
}