/// <summary>
/// Place an object on the HoloSurface.
/// </summary>
public static bool PlaceOnSurface(UnityEngine.Transform target, bool applyXRotation = false, bool applyYRotation = false, bool applyZRotation = false)
{
UnityEngine.RaycastHit hit;
if (HoloUtils.FindPointOnSurface(50.0f, out hit))
{
target.position = hit.point;
UnityEngine.Quaternion toQuat = UnityEngine.Quaternion.FromToRotation(UnityEngine.Vector3.back, hit.normal);
if (!applyXRotation)
{
toQuat.x = 0;
}
if (!applyYRotation)
{
toQuat.y = 0;
}
if (!applyZRotation)
{
toQuat.z = 0;
}
if (applyXRotation || applyYRotation || applyZRotation)
{
target.rotation = UnityEngine.Quaternion.Lerp(target.rotation, toQuat, 0.5f);
}
return(true);
}
return(false);
}
/// <summary>
/// Places this object on a surface.
/// </summary>
public override void Update()
{
//when user selects this object.
if (_isSelected)
{
//Check if we can place this object on a surface...
if (HoloUtils.PlaceOnSurface(this.transform) == false)
{
//if no surface to place, place this in front of user.
HoloUtils.PlaceInFrontOfUser(this.transform, 5.0f);
}
}
}
/// <summary>
/// Places an object in from of the user at X distance
/// </summary>
/// <param name="subject">UnityEngine.Transform</param>
/// <param name="distance">float</param>
public static void PlaceInFrontOfUser(UnityEngine.Transform subject, float distance, bool applyXRotation = false, bool applyYRotation = false, bool applyZRotation = false)
{
//place window in front of user.
UnityEngine.Transform user_transform = UnityEngine.Camera.main.transform;
UnityEngine.Vector3 user_position = user_transform.position;
UnityEngine.Quaternion user_rotation = user_transform.rotation;
UnityEngine.Vector3 toPos = user_position + (user_transform.forward * distance);
//set location and rotation.
subject.position = toPos;
if (!applyXRotation)
{
user_rotation.x = 0;
}
if (!applyYRotation)
{
user_rotation.y = 0;
}
if (!applyZRotation)
{
user_rotation.z = 0;
}
if (applyXRotation || applyYRotation || applyZRotation)
{
subject.rotation = user_rotation;
}
//check if a surface is present closer than distance,
// if so... we place the subject on that surface.
UnityEngine.RaycastHit hit;
if (HoloUtils.FindPointOnSurface(distance, out hit))
{
UnityEngine.Vector3 deltaPosition = user_transform.position - hit.point;
if (hit.distance < distance)
{
subject.position = hit.point;
}
}
}
