89 lines
2.9 KiB
C#
89 lines
2.9 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.UI;
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namespace Runtime
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{
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public class CarouselImage : MonoBehaviour
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{
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public CarouselImageItem pfb;
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Sprite[] sprites;
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CarouselImageItem[] buttons;
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int currentIndex;
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readonly Vector2 leftPos = new Vector2(-165, 0);
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readonly Vector2 centerPos = new Vector2(0, 0);
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readonly Vector2 rightPos = new Vector2(165, 0);
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Vector3 bigSize = Vector3.one;
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Vector3 smallSize = new Vector3(0.7f, 0.7f, 0.7f);
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public Action<int> ClickAction;
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public void Init(Sprite[] sprites, int index)
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{
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buttons = new CarouselImageItem[sprites.Length];
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this.sprites = sprites;
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this.currentIndex = index;
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for (var i = 0; i < this.sprites.Length; i++)
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{
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var sprite = this.sprites[i];
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var o = GameObject.Instantiate(pfb, this.transform);
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o.GetComponent<Image>().sprite = sprite;
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buttons[i] = o;
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int themId = i;
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o.Button.onClick.AddListener(() => { Carousel(themId); });
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}
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ResetAll(index);
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}
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public void ResetAll(int centerIndex)
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{
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currentIndex = centerIndex;
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foreach (CarouselImageItem button in buttons)
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{
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button.Hide();
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}
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if (centerIndex - 1 >= 0)
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buttons[centerIndex - 1].AppearAtPos(leftPos, smallSize);
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buttons[centerIndex].AppearAtPos(centerPos, bigSize);
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if (centerIndex + 1 < buttons.Length)
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buttons[centerIndex + 1].AppearAtPos(rightPos, smallSize);
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}
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void Carousel(int i)
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{
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if (currentIndex == i)
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return;
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ClickAction?.Invoke(i);
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if (i < currentIndex)
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{
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if (currentIndex - 1 >= 0)
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buttons[currentIndex - 1].MoveToPos(centerPos, bigSize);
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buttons[currentIndex].MoveToPos(rightPos, smallSize);
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if (currentIndex + 1 < buttons.Length)
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buttons[currentIndex + 1].Disappear();
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if (currentIndex - 2 >= 0)
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buttons[currentIndex - 2].AppearAtPos(leftPos, smallSize);
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Debug.Log("click to left");
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}
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else
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{
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if (currentIndex - 1 >= 0)
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buttons[currentIndex - 1].Disappear();
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buttons[currentIndex].MoveToPos(leftPos, smallSize);
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if (currentIndex + 1 < buttons.Length)
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buttons[currentIndex + 1].MoveToPos(centerPos, bigSize);
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if (currentIndex + 2 < buttons.Length)
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buttons[currentIndex + 2].AppearAtPos(rightPos, smallSize);
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Debug.Log("click to right");
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}
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currentIndex = i;
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}
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}
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}
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