// Finds the closest graspable object within range of the grasp.
protected Collider FindClosestGrabbableObject(Vector3 graspPosition)
{
Collider closest = null;
float minGraspDistance = this.GraspObjectDistance * this.GraspObjectDistance;
Collider[] graspCandidates =
Physics.OverlapSphere(graspPosition, GraspObjectDistance, GraspableLayers);
for (int j = 0; j < graspCandidates.Length; ++j)
{
float squareDistance = (graspPosition - graspCandidates[j].transform.position).sqrMagnitude;
if (graspCandidates[j].GetComponent <Rigidbody>() != null && squareDistance < minGraspDistance &&
!graspCandidates[j].transform.IsChildOf(this.transform) &&
graspCandidates[j].tag != "NotGrabbable")
{
GraspableObject grabbable = graspCandidates[j].GetComponent <GraspableObject>();
if (grabbable == null || !grabbable.IsGrabbed())
{
closest = graspCandidates[j];
minGraspDistance = squareDistance;
}
}
}
return(closest);
}
private void OnTriggerEnter(Collider other)
{
if (ContainerController.Verbose)
{
UnityEngine.Debug.Log("collision with: " + other.name + "...");
}
// TODO: if the other gameobject has 1. a certain tag ("Target") and 2. has a GraspableObject script
// attached to it and 3. is grasped, then the ObjectWasReleased event should be invoked, further,
// the initiateDestruction method should be called, please set the validOrientation flag to
// true in both cases
if (ContainerController.Verbose)
{
UnityEngine.Debug.Log("collision with: " + other.gameObject.name + "...");
}
if (other.gameObject.tag == "Target")
{
GraspableObject graspable = other.gameObject.GetComponent <GraspableObject>();
if (graspable != null)
{
if (graspable.IsGrabbed())
{
bool validOrientation = true;
this.initiateDestruction(other.gameObject, validOrientation);
this.ObjectWasReleased(other.gameObject, validOrientation);
}
else
{
if (ContainerController.Verbose)
{
UnityEngine.Debug.Log("target object was not grapsed: " + other.gameObject.name + "...");
}
}
}
else
{
if (ContainerController.Verbose)
{
UnityEngine.Debug.Log("target object is no graspable: " + other.gameObject.name + "...");
}
}
}
}