static void GenerateOutline(SpriteCache sprite, ITextureDataProvider textureDataProvider,
out List <Vertex2D> vertices, out List <int> indices, out List <Edge> edges)
{
if (textureDataProvider == null ||
textureDataProvider.texture == null)
{
vertices = new List <Vertex2D>();
indices = new List <int>();
edges = new List <Edge>();
return;
}
const float detail = 0.05f;
const byte alphaTolerance = 200;
var smd = new SpriteMeshData
{
spriteID = new GUID(sprite.id),
frame = sprite.textureRect,
pivot = sprite.pivotNormalized
};
var meshDataController = new SpriteMeshDataController
{
spriteMeshData = smd
};
meshDataController.OutlineFromAlpha(new OutlineGenerator(), textureDataProvider, detail, alphaTolerance);
meshDataController.Triangulate(new Triangulator());
vertices = smd.vertices;
indices = smd.indices;
edges = smd.edges;
}
private void OnBoneDepthChanged(BoneCache bone)
{
var sprites = skinningCache.GetSprites();
var controller = new SpriteMeshDataController();
foreach (var sprite in sprites)
{
var mesh = sprite.GetMesh();
if (mesh.ContainsBone(bone))
{
controller.spriteMeshData = mesh;
controller.SortTrianglesByDepth();
skinningCache.events.meshChanged.Invoke(mesh);
}
}
DataModified();
}