using UnityEngine; using UnityEngine.UI; using UnityEngine.XR.ARFoundation; namespace UnityEngine.XR.ARFoundation.Samples { /// /// Sets the scale of the ARSessionOrigin according to the value of a UI.Slider. /// [RequireComponent(typeof(ARSessionOrigin))] public class ScaleController : MonoBehaviour { [SerializeField] [Tooltip("The slider used to control the scale factor.")] Slider m_Slider; /// /// The slider used to control the scale factor. /// public Slider slider { get { return m_Slider; } set { m_Slider = value; } } [SerializeField] [Tooltip("The text used to display the current scale factor on the screen.")] Text m_Text; /// /// The text used to display the current scale factor on the screen. /// public Text text { get { return m_Text; } set { m_Text = value; } } [SerializeField] [Tooltip("Minimum scale factor.")] public float m_Min = .1f; /// /// Minimum scale factor. /// public float min { get { return m_Min; } set { m_Min = value; } } [SerializeField] [Tooltip("Maximum scale factor.")] public float m_Max = 10f; /// /// Maximum scale factor. /// public float max { get { return m_Max; } set { m_Max = value; } } /// /// Invoked whenever the slider's value changes /// public void OnSliderValueChanged() { if (slider != null) scale = slider.value * (max - min) + min; } float scale { get { return m_SessionOrigin.transform.localScale.x; } set { m_SessionOrigin.transform.localScale = Vector3.one * value; UpdateText(); } } void Awake() { m_SessionOrigin = GetComponent(); } void OnEnable() { if (slider != null) slider.value = (scale - min) / (max - min); UpdateText(); } void UpdateText() { if (text != null) text.text = "Scale: " + scale; } ARSessionOrigin m_SessionOrigin; } }