摄像机区域的架构改动

Assets/Sprite Shaders Ultimate/Scripts/SpriteSheetSSU.cs

@@ -0,0 +1,96 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace SpriteShadersUltimate
+{
+    /// <summary>
+    /// Attach this to sprite renderers or images with a sprite shaders ultimate material.
+    /// Enable Sprite Sheet Fix and let this component update the Sprite Sheet Rect variable.
+    /// </summary>
+    public class SpriteSheetSSU : MonoBehaviour
+    {
+        public bool updateChanges = false;
+
+        SpriteRenderer spriteRenderer;
+        Image image;
+        Sprite lastSprite;
+
+        void Awake()
+        {
+            //References:
+            spriteRenderer = GetComponent<SpriteRenderer>();
+            image = GetComponent<Image>();
+
+            //Instantiate Image:
+            if(image != null && GetComponent<InstancerSSU>() == null)
+            {
+                image.material = Instantiate<Material>(image.material);
+            }
+
+            //Update Rect:
+            UpdateSpriteRect();
+
+            //Disable if updateChanges is disabled.
+            if(updateChanges == false)
+            {
+                enabled = false;
+            }
+        }
+
+        void LateUpdate()
+        {
+            if((spriteRenderer != null && lastSprite != spriteRenderer.sprite) || (image != null && lastSprite != image.sprite))
+            {
+                UpdateSpriteRect();
+            }
+        }
+
+        public void UpdateSpriteRect()
+        {
+            if (spriteRenderer != null)
+            {
+                lastSprite = spriteRenderer.sprite;
+            }
+            else if (image != null)
+            {
+                lastSprite = image.sprite;
+            }
+
+            if (lastSprite != null)
+            {
+                if (spriteRenderer != null)
+                {
+                    if(spriteRenderer.HasPropertyBlock())
+                    {
+                        MaterialPropertyBlock mpb = new MaterialPropertyBlock();
+                        spriteRenderer.GetPropertyBlock(mpb);
+                        mpb.SetVector("_SpriteSheetRect", GetSheetVector(lastSprite));
+                        spriteRenderer.SetPropertyBlock(mpb);
+                    }
+                    else
+                    {
+                        spriteRenderer.material.SetVector("_SpriteSheetRect", GetSheetVector(lastSprite));
+                    }
+                }
+                else if (image != null)
+                {
+                    image.materialForRendering.SetVector("_SpriteSheetRect", GetSheetVector(lastSprite));
+                }
+            }
+        }
+
+        public static Vector4 GetSheetVector(Sprite sprite)
+        {
+            Rect rect = sprite.rect;
+            Texture text = sprite.texture;
+            float width = text.width;
+            float height = text.height;
+            Vector2 minVector = rect.min;
+            Vector2 maxVector = rect.max;
+
+            return new Vector4(minVector.x / width, minVector.y / height, maxVector.x / width, maxVector.y / height);
+        }
+    }
+}