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https://udrimavric.com/MAVRIC/Stratasys-450mc-VR.git
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62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
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namespace UnityEngine.XR.Content.UI.Layout
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{
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/// <summary>
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/// Makes this object face a target smoothly and along specific axes
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/// </summary>
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public class TurnToFace : MonoBehaviour
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{
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#pragma warning disable 649
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[SerializeField, Tooltip("Target to face towards. If not set, this will default to the main camera")]
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Transform m_FaceTarget;
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[SerializeField, Tooltip("Speed to turn")]
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float m_TurnToFaceSpeed = 5f;
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[SerializeField, Tooltip("Local rotation offset")]
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Vector3 m_RotationOffset = Vector3.zero;
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[SerializeField, Tooltip("If enabled, ignore the x axis when rotating")]
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bool m_IgnoreX;
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[SerializeField, Tooltip("If enabled, ignore the y axis when rotating")]
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bool m_IgnoreY;
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[SerializeField, Tooltip("If enabled, ignore the z axis when rotating")]
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bool m_IgnoreZ;
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#pragma warning restore 649
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void Awake()
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{
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// Default to main camera
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if (m_FaceTarget == null)
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if (Camera.main != null)
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m_FaceTarget = Camera.main.transform;
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}
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void Update()
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{
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if (m_FaceTarget != null)
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{
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var facePosition = m_FaceTarget.position;
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var forward = facePosition - transform.position;
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var targetRotation = forward.sqrMagnitude > float.Epsilon ? Quaternion.LookRotation(forward, Vector3.up) : Quaternion.identity;
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targetRotation *= Quaternion.Euler(m_RotationOffset);
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if (m_IgnoreX || m_IgnoreY || m_IgnoreZ)
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{
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var targetEuler = targetRotation.eulerAngles;
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var currentEuler = transform.rotation.eulerAngles;
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targetRotation = Quaternion.Euler
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(
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m_IgnoreX ? currentEuler.x : targetEuler.x,
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m_IgnoreY ? currentEuler.y : targetEuler.y,
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m_IgnoreZ ? currentEuler.z : targetEuler.z
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);
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}
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var ease = 1f - Mathf.Exp(-m_TurnToFaceSpeed * Time.unscaledDeltaTime);
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transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, ease);
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}
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}
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}
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}
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