66 lines
1.8 KiB
C#
66 lines
1.8 KiB
C#
using UnityEngine;
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namespace HeavenStudio.Common
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{
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public class SuperScroll : MonoBehaviour
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{
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#region Private
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[SerializeField]
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private Renderer _renderer;
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[SerializeField]
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private Sprite _sprite;
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#endregion
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#region Public
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public float NormalizedX = 0.0f;
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public float NormalizedY = 0.0f;
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public Vector2 Normalized { get { return new Vector2(NormalizedX, NormalizedY); } set { NormalizedX = value.x; NormalizedY = value.y; } }
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public float TileX = 1.0f;
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public float TileY = 1.0f;
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public Vector2 Tile { get { return new Vector2(TileX, TileY); } set { TileX = value.x; TileY = value.y; } }
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public Material Material => _renderer.material;
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#endregion
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#region MonoBehaviour
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private void Start()
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{
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_renderer.material = new Material(Shader.Find("Unlit/Transparent"));
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var spriteRect = _sprite.rect;
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var tex = CropTexture(_sprite.texture, new Rect(spriteRect.x, spriteRect.y, spriteRect.width, spriteRect .height));
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tex.wrapMode = TextureWrapMode.Repeat;
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Material.mainTexture = tex;
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}
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public void LateUpdate()
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{
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_renderer.material.mainTextureScale = Tile;
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_renderer.material.mainTextureOffset = new Vector2(NormalizedX, -NormalizedY) * Tile;
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}
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#endregion
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#region Custom
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private Texture2D CropTexture(Texture2D original, Rect rect)
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{
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var colors = original.GetPixels((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height);
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var newTex = new Texture2D((int)rect.width - (int)rect.x, (int)rect.height - (int)rect.y);
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newTex.SetPixels(colors);
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newTex.Apply();
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return newTex;
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}
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#endregion
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}
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} |