98 lines
2.8 KiB
C#
98 lines
2.8 KiB
C#
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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using System.Collections;
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using System.Collections.Generic;
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/// <summary>
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/// Jelly sprite class. Attach to any Unity sprite, and at runtime the sprite will move and
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/// distort under the influence of soft body physics.
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/// </summary>
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[AddComponentMenu("Jelly Sprite/Unity Jelly Sprite")]
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public class UnityJellySprite : JellySprite
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{
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public Sprite m_Sprite;
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// Rendering materials - cached to enable reuse where possible
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static List<Material> s_MaterialList = new List<Material>();
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/// <summary>
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/// Jelly sprites share materials wherever possible in order to ensure that dynamic batching is maintained when
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/// eg. slicing lots of sprites that share the same sprite sheet. If you want to clear out this list
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/// (eg. on transitioning to a new scene) then simply call this function
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/// </summary>
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public static void ClearMaterials()
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{
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s_MaterialList.Clear();
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}
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/// <summary>
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/// Get the bounds of the sprite
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/// </summary>
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protected override Bounds GetSpriteBounds()
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{
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return m_Sprite.bounds;
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}
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/// <summary>
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/// Check if the sprite is valid
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/// </summary>
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protected override bool IsSpriteValid()
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{
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return m_Sprite != null;
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}
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/// <summary>
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/// Check if the source sprite is rotated
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/// </summary>
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protected override bool IsSourceSpriteRotated()
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{
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return false;
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}
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protected override void GetMinMaxTextureRect(out Vector2 min, out Vector2 max)
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{
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Rect textureRect = m_Sprite.textureRect;
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min = new Vector2(textureRect.xMin/(float)m_Sprite.texture.width, textureRect.yMin/(float)m_Sprite.texture.height);
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max = new Vector2(textureRect.xMax/(float)m_Sprite.texture.width, textureRect.yMax/(float)m_Sprite.texture.height);
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}
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protected override void InitMaterial()
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{
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MeshRenderer meshRenderer = GetComponent<MeshRenderer>();
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Material material = null;
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// Grab a material from the cache, generate a new one if none exist
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for(int loop = 0; loop < s_MaterialList.Count; loop++)
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{
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if(s_MaterialList[loop] != null && s_MaterialList[loop].mainTexture.GetInstanceID() == m_Sprite.texture.GetInstanceID())
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{
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material = s_MaterialList[loop];
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}
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}
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if(material == null)
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{
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material = new Material(Shader.Find("Sprites/Default"));
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material.mainTexture = m_Sprite.texture;
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material.name = m_Sprite.texture.name + "_Jelly";
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s_MaterialList.Add(material);
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}
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meshRenderer.sharedMaterial = material;
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}
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#if UNITY_EDITOR
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[MenuItem("GameObject/Create Other/Jelly Sprite/Unity Jelly Sprite", false, 12951)]
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static void DoCreateSpriteObject()
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{
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GameObject gameObject = new GameObject("JellySprite");
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gameObject.AddComponent<UnityJellySprite>();
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Selection.activeGameObject = gameObject;
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Undo.RegisterCreatedObjectUndo(gameObject, "Create Jelly Sprite");
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}
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#endif
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}
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