public void GenerateOutline_WithScaledDownTexture_ProducesVerticesAndEdges()
{
var path = "OutlineTests/scaled-down-square";
var textureAsset = Resources.Load <Texture2D>(path);
Assert.IsNotNull(textureAsset, "texture asset not found");
var spriteEditorDataProvider = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(textureAsset)) as ISpriteEditorDataProvider;
spriteEditorDataProvider.InitSpriteEditorDataProvider();
var textureDataProvider = spriteEditorDataProvider.GetDataProvider <ITextureDataProvider>();
var rects = spriteEditorDataProvider.GetSpriteRects();
Assert.AreEqual(1, rects.Length, "Sprite rect not found");
var spriteRect = rects[0];
m_SpriteMeshData.frame = spriteRect.rect;
m_SpriteMeshDataController.OutlineFromAlpha(new OutlineGenerator(), textureDataProvider, 0f, 0);
Assert.AreEqual(30, m_SpriteMeshData.vertices.Count, "Incorrect number of vertices generated");
Assert.AreEqual(30, m_SpriteMeshData.edges.Count, "Incorrect number of edges generated");
}
void AutoGenerateSpriteSkinData(SpriteMetaData metaData)
{
//If bone data exist but skinning data doesn't exist, auto generate them
if (metaData.spriteBone != null && metaData.spriteBone.Count > 0 &&
(metaData.vertices == null || metaData.vertices.Count == 0))
{
var spriteMeshDataController = new SpriteMeshDataController();
var smd = new SpriteMeshData();
smd.spriteID = metaData.spriteID;
smd.frame = metaData.rect;
smd.pivot = metaData.pivot;
smd.bones = ModuleUtility.CreateSpriteBoneData(metaData.spriteBone.ToArray(), Matrix4x4.TRS(metaData.rect.position, Quaternion.identity, Vector3.one));
spriteMeshDataController.spriteMeshData = smd;
spriteMeshDataController.OutlineFromAlpha(new OutlineGenerator(), GetDataProvider <ITextureDataProvider>(), 0.05f, 200);
spriteMeshDataController.Triangulate(new Triangulator());
spriteMeshDataController.Subdivide(new Triangulator(), 0.25f);
spriteMeshDataController.CalculateWeights(new BoundedBiharmonicWeightsGenerator(), null, 0.01f);
spriteMeshDataController.SortTrianglesByDepth();
List <Vertex2DMetaData> vmd = new List <Vertex2DMetaData>(smd.vertices.Count);
foreach (var v in smd.vertices)
{
vmd.Add(new Vertex2DMetaData()
{
position = v.position - smd.frame.position, boneWeight = v.editableBoneWeight.ToBoneWeight(true)
});
}
List <Vector2Int> emd = new List <Vector2Int>(smd.edges.Count);
foreach (var e in smd.edges)
{
emd.Add(new Vector2Int(e.index1, e.index2));
}
metaData.vertices = vmd;
metaData.indices = smd.indices.ToArray();
metaData.edges = emd.ToArray();
}
}