private void LoadPolygonFromSprite()
{
#if UNITY_EDITOR
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));
var polygon = BitmapHelper.CreateFromBitmap(bmp);
polygon = SimplifyTools.DouglasPeuckerSimplify(new Vertices(polygon), simplify).ToArray();
Rect bounds = GetBounds(polygon);
float scalex = spriteRenderer.sprite.bounds.size.x / bounds.width;
float scaley = spriteRenderer.sprite.bounds.size.y / bounds.height;
polygon = polygon.Select(v => new Vector2(v.x * scalex, v.y * scaley) - (bounds.center * scalex) + (Vector2)spriteRenderer.sprite.bounds.center).ToArray();
verts = polygon.Select(v => new Vertex(spriteRenderer.transform.TransformPoint(v))).ToList();
segments = new List <Segment>();
AddSegment(verts[verts.Count - 1], verts[0]);
for (int i = 1; i < verts.Count; i++)
{
AddSegment(verts[i - 1], verts[i]);
}
#endif
}
private static Vector2[] CreatePolygon(Sprite sprite)
{
Rect r = sprite.rect;
Texture2D tex = sprite.texture;
IBitmap bmp = ArrayBitmap.CreateFromTexture(tex, new Rect(r.x, r.y, r.width, r.height));
Vector2[] polygon = BitmapHelper.CreateFromBitmap(bmp);
polygon = SimplifyTools.DouglasPeuckerSimplify(new Vertices(polygon), 1.0f).ToArray();
return(polygon);
}
public void OnGUI()
{
GUILayout.Label("Sprite", EditorStyles.boldLabel);
EditorGUI.BeginChangeCheck();
spriteRenderer = (SpriteRenderer)EditorGUILayout.ObjectField(spriteRenderer, typeof(SpriteRenderer), true);
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();
}
}
}
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 spriteMesh = new SpriteMesh();
spriteMesh.spriteRenderer = spriteRenderer;
spriteMesh.CreateSpriteMesh();
}
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();
}
}
}
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();
EditorUtility.SetDirty(this);
}
GUILayout.Label("Vertices: " + polygon.Length);
EditorGUILayout.Separator();
if (polygon.Length > 0 && GUILayout.Button("Create Mesh"))
{
CreateMesh();
EditorUtility.SetDirty(this);
}
if (GUILayout.Button("Create Mesh from Sprite"))
{
SpriteMesh spriteMesh = new SpriteMesh();
spriteMesh.spriteRenderer = spriteRenderer;
spriteMesh.CreateSpriteMesh();
EditorUtility.SetDirty(this);
}
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();
EditorUtility.SetDirty(this);
}
EditorGUILayout.Separator();
GUILayout.Label("Create and Edit a Custom Polygon", EditorStyles.boldLabel);
handleScale = EditorGUILayout.FloatField("Handle Size", handleScale);
handleColor = EditorGUILayout.ColorField("Handle Color", handleColor);
polyColor = EditorGUILayout.ColorField("Poly Color", polyColor);
EditorGUILayout.Separator();
GUILayout.Label("Ctrl + Click to Add Point, Shift + Click to Add Mid Point, Alt + Click to Remove Points", EditorStyles.whiteLabel);
EditorGUILayout.Separator();
if (GUILayout.Button("Create and Edit Polygon"))
{
CreatePolygon();
EditorUtility.SetDirty(this);
}
EditorUtility.SetSelectedWireframeHidden(spriteRenderer, true);
if (GUILayout.Button("Update Custom Mesh"))
{
if (spriteRenderer != null)
{
UpdateMesh();
}
EditorUtility.SetDirty(this);
}
if (GUILayout.Button("Save Custom Mesh"))
{
if (spriteRenderer != null)
{
SaveMesh();
}
}
if (GUI.changed)
{
UpdateMesh();
EditorUtility.SetDirty(this);
}
GUILayout.Label("Subdivide Mesh", EditorStyles.boldLabel);
string[] subdivide = { "0", "1", "2", "3" };
divisions = EditorGUILayout.Popup("Subdivisions", divisions, subdivide);
if (GUILayout.Button("Subdivide Mesh"))
{
if (spriteRenderer != null && mesh != null)
{
SubdivideMesh(divisions);
}
}
EditorGUILayout.Separator();
GUILayout.Label("Load Custom Mesh to Edit", EditorStyles.boldLabel);
GUILayout.Label("Adding or Deleting points Re-Triangulates Mesh", EditorStyles.whiteLabel);
EditorGUILayout.Separator();
customLoadMesh = (Mesh)EditorGUILayout.ObjectField(customLoadMesh, typeof(Mesh), true);
if (GUILayout.Button("Load Custom Mesh"))
{
if (spriteRenderer != null && customLoadMesh != null)
{
LoadMesh(customLoadMesh);
}
}
EditorGUILayout.Separator();
GUILayout.Label("Combine Meshes", EditorStyles.boldLabel);
GUILayout.Label("Avoid Combining Complex Meshes, results will vary", EditorStyles.whiteLabel);
EditorGUILayout.Separator();
combineMesh = (Mesh)EditorGUILayout.ObjectField(combineMesh, typeof(Mesh), true);
if (GUILayout.Button("Combine Meshes"))
{
if (spriteRenderer != null)
{
CombineMesh();
}
}
}
}
