AppExperiments

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

namespace Leap.Unity.UI {

  public class GraphicHoverPaletteController : GraphicPaletteController {

    #region Inspector

    [Header("Hover")]

    public InteractionBehaviour intObj;

    public bool useNormalHover = false;

    [DisableIf("useNormalHover", isEqualTo: false)]
    public int hoveredColorIdx;
    [DisableIf("useNormalHover", isEqualTo: false)]
    public float hoverFalloffDistance = 0.10f;

    public int primaryHoverColorIdx;

    #endregion

    #region Properties

    public Color hoveredColor { get { return palette[hoveredColorIdx]; } }
    public Color primaryHoveredColor { get { return palette[primaryHoverColorIdx]; } }

    #endregion

    #region Unity Events

    protected override void Reset() {
      base.Reset();

      intObj = GetComponent<InteractionBehaviour>();
    }

    protected override void OnValidate() {
      base.OnValidate();

      if (palette != null) {
        if (palette.colors.Length != 0) {
          validateColorIdx(ref hoveredColorIdx);
          validateColorIdx(ref primaryHoverColorIdx);
        }
      }
    }

    #endregion

    #region Palette Controller Implementation

    protected override Color updateTargetColor() {
      var targetColor = restingColor;

      if (intObj.isPrimaryHovered) {
        targetColor = primaryHoveredColor;
      }
      else if (intObj.isHovered && useNormalHover) {
        targetColor = Color.Lerp(restingColor, hoveredColor,
                        intObj.closestHoveringControllerDistance
                              .Map(hoverFalloffDistance, 0f, 0f, 1f));
      }

      return targetColor;
    }

    #endregion

  }

}