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);
}
}
}
}
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);
}
}
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);
}