public static SpriteMesh CreateSpriteMesh(Sprite sprite)
{
SpriteMesh spriteMesh = SpriteMeshPostprocessor.GetSpriteMeshFromSprite(sprite);
SpriteMeshData spriteMeshData = null;
if (!spriteMesh && sprite)
{
string spritePath = AssetDatabase.GetAssetPath(sprite);
string directory = Path.GetDirectoryName(spritePath);
string assetPath = AssetDatabase.GenerateUniqueAssetPath(directory + Path.DirectorySeparatorChar + sprite.name + ".asset");
spriteMesh = ScriptableObject.CreateInstance <SpriteMesh>();
InitFromSprite(spriteMesh, sprite);
AssetDatabase.CreateAsset(spriteMesh, assetPath);
spriteMeshData = ScriptableObject.CreateInstance <SpriteMeshData>();
spriteMeshData.name = spriteMesh.name + "_Data";
spriteMeshData.hideFlags = HideFlags.HideInHierarchy;
InitFromSprite(spriteMeshData, sprite);
AssetDatabase.AddObjectToAsset(spriteMeshData, assetPath);
UpdateAssets(spriteMesh, spriteMeshData);
AssetDatabase.SaveAssets();
AssetDatabase.ImportAsset(assetPath);
Selection.activeObject = spriteMesh;
}
return(spriteMesh);
}
static void ContextCreateSpriteMesh(MenuCommand menuCommand)
{
GameObject spriteRendererGO = Selection.activeGameObject;
SpriteRenderer spriteRenderer = null;
SpriteMesh spriteMesh = null;
int sortingLayerID = 0;
int sortingOrder = 0;
if (spriteRendererGO)
{
spriteRenderer = spriteRendererGO.GetComponent <SpriteRenderer>();
}
if (spriteRenderer &&
spriteRenderer.sprite)
{
sortingLayerID = spriteRenderer.sortingLayerID;
sortingOrder = spriteRenderer.sortingOrder;
SpriteMesh overrideSpriteMesh = SpriteMeshPostprocessor.GetSpriteMeshFromSprite(spriteRenderer.sprite);
if (overrideSpriteMesh)
{
spriteMesh = overrideSpriteMesh;
}
else
{
spriteMesh = SpriteMeshUtils.CreateSpriteMesh(spriteRenderer.sprite);
}
}
if (spriteMesh)
{
Undo.SetCurrentGroupName("create SpriteMeshInstance");
Undo.DestroyObjectImmediate(spriteRenderer);
SpriteMeshInstance spriteMeshInstance =
SpriteMeshUtils.CreateSpriteMeshInstance(spriteMesh, spriteRendererGO, true);
spriteMeshInstance.sortingLayerID = sortingLayerID;
spriteMeshInstance.sortingOrder = sortingOrder;
Selection.activeGameObject = spriteRendererGO;
}
else
{
Debug.Log("Select a SpriteRenderer with a Sprite to convert to SpriteMesh");
}
}
static bool ValidateCreateSpriteMesh(MenuCommand menuCommand)
{
bool valid = false;
Sprite sprite = Selection.activeObject as Sprite;
if (sprite && !SpriteMeshPostprocessor.GetSpriteMeshFromSprite(sprite))
{
valid = true;
}
List <Texture2D> selectedTextures = Selection.objects.ToList().Where(o => o is Texture2D).ToList().ConvertAll(o => o as Texture2D);
valid = valid || selectedTextures.Count > 0;
return(valid);
}
