public static void Create()
{
if (Selection.activeGameObject != null)
{
GameObject o = Selection.activeGameObject;
SkinnedMeshRenderer skin = o.GetComponent <SkinnedMeshRenderer>();
SpriteRenderer spriteRenderer = o.GetComponent <SpriteRenderer>();
if (skin == null && spriteRenderer != null)
{
Sprite thisSprite = spriteRenderer.sprite;
SpriteMesh.CreateSpriteMeshAsset(spriteRenderer.transform, thisSprite);
Texture2D spriteTexture = UnityEditor.Sprites.SpriteUtility.GetSpriteTexture(spriteRenderer.sprite, false);
Material spriteMaterial = new Material(spriteRenderer.sharedMaterial);
spriteMaterial.CopyPropertiesFromMaterial(spriteRenderer.sharedMaterial);
spriteMaterial.mainTexture = spriteTexture;
DestroyImmediate(spriteRenderer);
Skin2D skin2D = o.AddComponent <Skin2D>();
skin2D.sprite = thisSprite;
skin = o.GetComponent <SkinnedMeshRenderer>();
MeshFilter filter = o.GetComponent <MeshFilter>();
skin.material = spriteMaterial;
filter.mesh = (Mesh)Selection.activeObject;
if (filter.sharedMesh != null && skin.sharedMesh == null)
{
skin.sharedMesh = filter.sharedMesh;
}
Skeleton skeleton = o.transform.root.GetComponent <Skeleton>();
if (skeleton != null)
{
// Generate the mesh and calculate the weights if the root transform has a skeleton
skeleton.CalculateWeights(true);
// Debug.Log("Calculated weights for " + o.name);
// Try to initialize the parent bone to this skin
Bone bone = o.transform.parent.GetComponent <Bone>();
if (bone != null)
{
Mesh m = skin.sharedMesh.Clone();
List <BoneWeight> weights = m.boneWeights.ToList();
for (int i = 0; i < m.vertices.Length; i++)
{
BoneWeight bw = weights[i];
bw = bw.SetWeight(bone.index, 1);
weights[i] = bw.Clone();
}
skin.sharedMesh.boneWeights = weights.ToArray();
EditorUtility.SetDirty(skin.gameObject);
if (PrefabUtility.GetPrefabType(skin.gameObject) != PrefabType.None)
{
AssetDatabase.SaveAssets();
}
}
}
}
else
{
o = new GameObject("Skin2D");
Undo.RegisterCreatedObjectUndo(o, "Create Skin2D");
o.AddComponent <Skin2D> ();
}
}
else
{
GameObject o = new GameObject("Skin2D");
Undo.RegisterCreatedObjectUndo(o, "Create Skin2D");
o.AddComponent <Skin2D> ();
}
}
public void OnGUI()
{
GUILayout.Label("Sprite", EditorStyles.boldLabel);
EditorGUI.BeginChangeCheck();
spriteRenderer = (SpriteRenderer)EditorGUILayout.ObjectField(spriteRenderer, typeof(SpriteRenderer), true);
if (Selection.activeGameObject != null)
{
GameObject o = Selection.activeGameObject;
spriteRenderer = o.GetComponent <SpriteRenderer>();
}
if (EditorGUI.EndChangeCheck())
{
polygon = new Vector2[0];
}
if (spriteRenderer != null)
{
EditorGUILayout.Separator();
GUILayout.Label("Simplify", EditorStyles.boldLabel);
simplify = EditorGUILayout.FloatField("Vertex Dist.", simplify);
if (GUILayout.Button("Generate Polygon"))
{
Rect r = spriteRenderer.sprite.rect;
Texture2D tex = spriteRenderer.sprite.texture;
IBitmap bmp = ArrayBitmap.CreateFromTexture(tex, new Rect(r.x, r.y, r.width, r.height));
polygon = BitmapHelper.CreateFromBitmap(bmp);
polygon = SimplifyTools.DouglasPeuckerSimplify(new Vertices(polygon), simplify).ToArray();
}
GUILayout.Label("Vertices: " + polygon.Length);
EditorGUILayout.Separator();
if (polygon.Length > 0 && GUILayout.Button("Create Mesh"))
{
CreateMesh();
}
if (GUILayout.Button("Create Mesh from Sprite"))
{
SpriteMesh.CreateSpriteMeshAsset(spriteRenderer.transform, spriteRenderer.sprite);
}
EditorGUILayout.Separator();
if (GUILayout.Button("Create Mesh from Polygon2D Collider"))
{
PolygonCollider2D polygonCollider = spriteRenderer.GetComponent <PolygonCollider2D>();
if (polygonCollider == null)
{
polygonCollider = spriteRenderer.gameObject.AddComponent <PolygonCollider2D>();
}
PolygonMesh polygonMesh = new PolygonMesh();
polygonMesh.polygonCollider = polygonCollider;
polygonMesh.spriteRenderer = spriteRenderer;
polygonMesh.CreatePolygonMesh();
}
}
}
