Unity UGUI教程之实现滑页效果

SliderControl：using UnityEngine;using System.Collections;using UnityEngine.UI;public class SliderControl : MonoBehaviour{public Scrollbar m_Scrollbar;public ScrollRect m_ScrollRect;private float mTargetValue;private bool mNeedMove = false;private const float MOVE_SPEED = 1F;private const float SMOOTH_TIME = 0.2F;private float mMoveSpeed = 0f;public void OnPointerDown(){mNeedMove = false;}public void OnPointerUp(){// 判断当前位于哪个区间，设置自动滑动至的位置if (m_Scrollbar.value <= 0.125f){mTargetValue = 0;}else if (m_Scrollbar.value <= 0.375f){mTargetValue = 0.25f;}else if (m_Scrollbar.value <= 0.625f){mTargetValue = 0.5f;}else if (m_Scrollbar.value <= 0.875f){mTargetValue = 0.75f;}else{mTargetValue = 1f;}mNeedMove = true;mMoveSpeed = 0;}public void OnButtonClick(int value){switch (value){case 1:mTargetValue = 0;break;case 2:mTargetValue = 0.25f;break;case 3:mTargetValue = 0.5f;break;case 4:mTargetValue = 0.75f;break;case 5:mTargetValue = 1f;break;default:Debug.LogError("!!!!!");break;}mNeedMove = true;}void Update(){if (mNeedMove){if (Mathf.Abs(m_Scrollbar.value - mTargetValue) < 0.01f){m_Scrollbar.value = mTargetValue;mNeedMove = false;return;}m_Scrollbar.value = Mathf.SmoothDamp(m_Scrollbar.value, mTargetValue, ref mMoveSpeed, SMOOTH_TIME);}}}