private void SetMaterials()
{
//ensure materials
if (wireframeMaterial == null)
{
wireframeMaterial = BoundsControlVisualUtils.CreateDefaultMaterial();
}
}
internal void SetHighlighted()
{
//update the box material to the grabbed material
if (boxDisplay != null)
{
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(boxDisplay, boxGrabbedMaterial);
}
}
internal void ResetVisibility(bool activate)
{
//set box display visibility
if (boxDisplay != null)
{
boxDisplay.SetActive(activate);
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(boxDisplay, boxMaterial);
}
}
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 = 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 = BoundsControlVisualUtils.GetMaxBounds(midpointVisual);
float maxDim = Mathf.Max(
Mathf.Max(midpointBounds.size.x, midpointBounds.size.y),
midpointBounds.size.z);
float invScale = HandleSize / maxDim;
midpointVisual.name = "visuals";
midpointVisual.transform.parent = midpoint.transform;
midpointVisual.transform.localScale = new Vector3(invScale, invScale, invScale);
midpointVisual.transform.localPosition = Vector3.zero;
BoundsControlVisualUtils.AddComponentsToAffordance(midpoint, new Bounds(midpointBounds.center * invScale, midpointBounds.size * invScale),
rotationHandlePrefabColliderType, CursorContextInfo.CursorAction.Rotate, ColliderPadding, parent, drawManipulationTether);
handles.Add(midpoint.transform);
if (HandleMaterial != null)
{
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(midpointVisual, HandleMaterial);
}
}
}
internal protected void SetMaterials()
{
if (handleMaterial == null)
{
handleMaterial = BoundsControlVisualUtils.CreateDefaultMaterial();
}
if (handleGrabbedMaterial == null && handleGrabbedMaterial != handleMaterial)
{
handleGrabbedMaterial = BoundsControlVisualUtils.CreateDefaultMaterial();
}
}
internal void ResetHandleVisibility(bool isVisible)
{
if (handles != null)
{
for (int i = 0; i < handles.Count; ++i)
{
handles[i].gameObject.SetActive(isVisible && IsVisible(handles[i]));
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(handles[i].gameObject, handleMaterial);
}
}
}
internal void AddBoxDisplay(Transform parent, Vector3 currentBoundsExtents, FlattenModeType flattenAxis)
{
if (boxMaterial != null)
{
bool isFlattened = flattenAxis != FlattenModeType.DoNotFlatten;
boxDisplay = GameObject.CreatePrimitive(isFlattened ? PrimitiveType.Quad : PrimitiveType.Cube);
GameObject.Destroy(boxDisplay.GetComponent <Collider>());
boxDisplay.name = "bounding box";
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(boxDisplay, boxMaterial);
boxDisplay.transform.localScale = GetBoxDisplayScale(currentBoundsExtents, flattenAxis);
boxDisplay.transform.parent = parent;
}
}
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
{
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(handles[i].gameObject, handleGrabbedMaterial);
}
}
}
}
internal void HandleIgnoreCollider(Collider handlesIgnoreCollider)
{
BoundsControlVisualUtils.HandleIgnoreCollider(handlesIgnoreCollider, handles);
}
internal void Create(ref Vector3[] boundsCorners, Transform parent, bool drawManipulationTether, bool isFlattened)
{
// ensure materials are set
SetMaterials();
// 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]));
}
// figure out which prefab to instantiate
GameObject cornerVisual = null;
GameObject prefabType = isFlattened ? HandleSlatePrefab : HandlePrefab;
if (prefabType == null)
{
// instantiate default prefab, a cube. Remove the box collider from it
cornerVisual = GameObject.CreatePrimitive(PrimitiveType.Cube);
cornerVisual.transform.parent = visualsScale.transform;
cornerVisual.transform.localPosition = Vector3.zero;
GameObject.Destroy(cornerVisual.GetComponent <BoxCollider>());
}
else
{
cornerVisual = GameObject.Instantiate(prefabType, visualsScale.transform);
}
if (isFlattened)
{
// Rotate 2D slate handle asset for proper orientation
cornerVisual.transform.Rotate(0, 0, -90);
}
cornerVisual.name = "visuals";
// this is the size of the corner visuals
var cornerbounds = BoundsControlVisualUtils.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 = HandleSize / cornerbounds.size.x;
cornerVisual.transform.localScale = new Vector3(invScale, invScale, invScale);
BoundsControlVisualUtils.ApplyMaterialToAllRenderers(cornerVisual, HandleMaterial);
BoundsControlVisualUtils.AddComponentsToAffordance(corner, new Bounds(cornerbounds.center * invScale, cornerbounds.size * invScale),
RotationHandlePrefabCollider.Box, CursorContextInfo.CursorAction.Scale, ColliderPadding, parent, drawManipulationTether);
handles.Add(corner.transform);
}
}
