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89 行
2.4 KiB
89 行
2.4 KiB
using UnityEngine;
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using TMPro;
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using UnityEngine.Serialization;
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using System.Collections.Generic;
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using UnityEngine.Events;
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public class UICreditsRoller : MonoBehaviour
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{
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[SerializeField, Tooltip("Set speed of a rolling effect")] private float _speedPreset = 100f;//normal rolling speed
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[FormerlySerializedAs("speed")]
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[SerializeField, Tooltip("This is actuall speed of rolling")] private float _speed = 100f;//actual speed of rolling
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[SerializeField] private bool _rollAgain = false;
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[Header("References")]
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[FormerlySerializedAs("inputReader")]
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[SerializeField] private InputReader _inputReader = default;
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[FormerlySerializedAs("textCredits")]
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[SerializeField] private RectTransform _textCredits = default;
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[FormerlySerializedAs("mask")]
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[SerializeField] private RectTransform _mask = default;
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private float expectedFinishingPoint;
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public UnityAction rollingEnded;
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// Start is called before the first frame update
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public void StartRolling()
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{
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_speed = _speedPreset;
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Invoke("offsetStart", 0.01f);//This offset is needed to get true informations about rectangle and his mask
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}
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private void OnEnable()
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{
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_inputReader.moveEvent += OnMove;
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}
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private void OnDisable()
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{
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_inputReader.moveEvent -= OnMove;
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}
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// Update is called once per frame
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void Update()
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{
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//This make rolling effect
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if (_textCredits.anchoredPosition.y < expectedFinishingPoint)
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{
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_textCredits.anchoredPosition = new Vector2(_textCredits.anchoredPosition.x, _textCredits.anchoredPosition.y + _speed * Time.deltaTime);
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}
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else if (expectedFinishingPoint != 0)//this happend when rolling reach to end
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{
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RollingEnd();
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}
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}
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private void offsetStart()
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{
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_inputReader.EnableGameplayInput();
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expectedFinishingPoint = (_textCredits.rect.height + _mask.rect.height) / 2;
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_textCredits.anchoredPosition = new Vector2(_textCredits.anchoredPosition.x, -((_textCredits.rect.height + _mask.rect.height) / 2));
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}
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private void OnMove(Vector2 direction)
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{
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if (direction.y == 0f)//no horizontal movment
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{
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_speed = _speedPreset;
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}
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else if (direction.y > 0f)//upward movment
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{
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_speed = _speed * 2;
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}
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else//downward movment
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{
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_speed = -_speedPreset;
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}
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}
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private void RollingEnd()
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{
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if (_rollAgain)
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{ //reset postion of an element
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_textCredits.anchoredPosition = new Vector2(_textCredits.anchoredPosition.x, -((_textCredits.rect.height + _mask.rect.height) / 2));
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}
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else
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{
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rollingEnded.Invoke();
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}
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}
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}
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