AppExperiments

using Leap.Unity;
using Leap.Unity.Animation;
using Leap.Unity.Attributes;
using Leap.Unity.GraphicalRenderer;
using Leap.Unity.Interaction;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Leap.Unity.UI {

  public class GraphicButtonBlendShapeController : MonoBehaviour {

    public InteractionButton button;
    public LeapGraphic graphic;

    [SerializeField, OnEditorChange("setPulsatorSpeed")]
    [MinValue(0.001F)]
    private float _speed = 3F;
    public float speed { get { return _speed; } set { _speed = value; setPulsatorSpeed(); } }

    protected Pulsator _scalePulsator;

    protected virtual void Reset() {
      button = GetComponent<InteractionButton>();
      graphic = GetComponent<LeapGraphic>();
    }

    protected virtual void OnEnable() {
      _scalePulsator = Pool<Pulsator>.Spawn().SetValues(0F, 0.2F, 0F);

      button.OnPress   += onPress;
      button.OnUnpress += onUnpress;
    }

    private void setPulsatorSpeed() {
      if (_scalePulsator != null) _scalePulsator.SetSpeed(3F);
    }

    protected virtual void OnDisable() {
      Pool<Pulsator>.Recycle(_scalePulsator);

      button.OnPress -= onPress;
      button.OnUnpress -= onUnpress;
    }

    protected virtual void Update() {
      if (graphic != null && button != null) {
        try {
          graphic.SetBlendShapeAmount(button.pressedAmount.Map(0F, 1F, 0F, 0.8F) + _scalePulsator.value);
        }
        catch (System.Exception) {
          Debug.LogError("Error setting blend shape. Does the attached graphic have a blend shape feature?", this);
        }
      }
    }

    private void onPress() {
      _scalePulsator.Pulse();
    }

    private void onUnpress() {
      _scalePulsator.Relax();
    }

  }

}