hand animations

Assets/Project Files/Scripts/HandAnim.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.XR;
+using UnityEngine.XR.Interaction.Toolkit;
+using TMPro; // Add the TextMesh Pro namespace to access the various functions.
+using System.Linq;
+using UnityEngine.InputSystem;
+using System;
+
+public class HandAnim : MonoBehaviour
+{
+    public Animator m_animator = null;
+    [Header("Input")]
+    [SerializeField] public InputActionProperty GripAction;
+    [SerializeField] public InputActionProperty TriggerAction;
+    [SerializeField] public InputActionProperty IndexAction;
+    [SerializeField] public InputActionProperty ThumbAction;
+
+
+    public const string ANIM_LAYER_NAME_POINT = "Point Layer";
+    public const string ANIM_LAYER_NAME_THUMB = "Thumb Layer";
+    public const string ANIM_PARAM_NAME_FLEX = "Flex";
+    public const string ANIM_PARAM_NAME_POSE = "Pose";
+
+    private int m_animLayerIndexThumb = -1;
+    private int m_animLayerIndexPoint = -1;
+    private int m_animParamIndexFlex = -1;
+    private int m_animParamIndexPose = -1;
+    private Collider[] m_colliders = null;
+
+    public float anim_frames = 4f;
+    private float grip_state = 0f;
+    private float trigger_state = 0f;
+    private float triggerCap_state = 0f;
+    private float thumbCap_state = 0f;
+
+    private void Reset()
+    {
+        m_animator = GetComponentInChildren<Animator>();
+    }
+
+    private void Awake()
+    {
+        GripAction.action.performed += GripActionPerformed;
+        TriggerAction.action.performed += TriggerActionPerformed;
+        IndexAction.action.performed += IndexActionPerformed;
+        ThumbAction.action.performed += ThumbActionPerformed;
+        GripAction.action.Enable();
+        TriggerAction.action.Enable();
+        IndexAction.action.Enable();
+        ThumbAction.action.Enable();
+    }
+
+    void Start()
+    {
+        m_colliders = this.GetComponentsInChildren<Collider>().Where(childCollider => !childCollider.isTrigger).ToArray();
+        for (int i = 0; i < m_colliders.Length; ++i)
+        {
+            Collider collider = m_colliders[i];
+            // collider.transform.localScale = new Vector3(COLLIDER_SCALE_MIN, COLLIDER_SCALE_MIN, COLLIDER_SCALE_MIN);
+            collider.enabled = true;
+        }
+        m_animLayerIndexPoint = m_animator.GetLayerIndex(ANIM_LAYER_NAME_POINT);
+        m_animLayerIndexThumb = m_animator.GetLayerIndex(ANIM_LAYER_NAME_THUMB);
+        m_animParamIndexFlex = Animator.StringToHash(ANIM_PARAM_NAME_FLEX);
+        m_animParamIndexPose = Animator.StringToHash(ANIM_PARAM_NAME_POSE);
+    }
+
+    private void ThumbActionPerformed(InputAction.CallbackContext obj)
+    {
+        CalculateState(obj.ReadValue<float>(), ref thumbCap_state);
+        m_animator.SetLayerWeight(m_animLayerIndexThumb, 1f - thumbCap_state);
+    }
+
+    private void IndexActionPerformed(InputAction.CallbackContext obj)
+    {
+        CalculateState(obj.ReadValue<float>(), ref triggerCap_state);
+        m_animator.SetLayerWeight(m_animLayerIndexPoint, 1f - triggerCap_state);
+    }
+
+    private void TriggerActionPerformed(InputAction.CallbackContext obj)
+    {
+        CalculateState(obj.ReadValue<float>(), ref trigger_state);
+        m_animator.SetFloat("Pinch", trigger_state);
+    }
+
+    private void GripActionPerformed(InputAction.CallbackContext obj)
+    {
+        Debug.Log("grip");
+        CalculateState(obj.ReadValue<float>(), ref grip_state);
+        m_animator.SetFloat(m_animParamIndexFlex, grip_state);
+    }
+
+    private void CalculateState(float value, ref float state)
+    {
+        var delta = value - state;
+        if (delta > 0f)
+        {
+            state = Mathf.Clamp(state + 1 / anim_frames, 0f, value);
+        }
+        else if (delta < 0f)
+        {
+            state = Mathf.Clamp(state - 1 / anim_frames, value, 1f);
+        }
+        else
+        {
+            state = value;
+        }
+    }
+}

Assets/Project Files/Scripts/HandAnim.cs.meta

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