public static ComplexShape ShapeFromUVTexture(Texture2D p_texture, Rect p_uvRect, float p_detail = 1, float p_alphaTolerance = 0f, bool p_holeDetection = true)
{
if (p_texture != null)
{
List <List <Vector2> > v_paths = Kyub.ExternLibs.ImgToPathLib.ImgToPath.PathFromTexture(p_texture, p_uvRect, p_alphaTolerance);
var v_finalShape = new ComplexShape();
foreach (var v_path in v_paths)
{
var v_internalShape = new ComplexShape(new PolygonShape(v_path));
if (p_holeDetection || v_internalShape.IsOrientedClockWise())
{
v_internalShape.Optimize(true, Mathf.Max(v_internalShape.RectBounds.width, v_internalShape.RectBounds.height) * p_detail);
v_finalShape.AddShape(v_internalShape, false);
}
}
v_finalShape.Optimize(false);
var v_width = p_uvRect.size.x * p_texture.width;
var v_height = p_uvRect.size.y * p_texture.height;
v_finalShape.TransformPosition(new Rect(0, 0, v_width - 1, v_height - 1), new Rect(0, 0, 1, 1));
return(v_finalShape);
}
return(null);
}
public void AddShape(ComplexShape p_complexPolygon, bool p_optimize = true)
{
if (p_complexPolygon != null)
{
foreach (var v_shape in p_complexPolygon.Shapes)
{
AddShape(v_shape, false);
}
}
MarkToRecalcBounds();
if (p_optimize)
{
Optimize();
}
}
protected ComplexShape ExecuteGeometryClip(ComplexShape p_complexShape, ExternLibs.ClipperLib.ClipType p_clipType)
{
//PolygonShape v_rectShape = new PolygonShape(Rect.MinMaxRect(v_offset.x * i, v_offset.y * j, v_offset.x * (i + 1), v_offset.y * (j + 1)));
Kyub.ExternLibs.ClipperLib.Clipper v_clipper = new ExternLibs.ClipperLib.Clipper();
//Fix Scale to improve precision
var v_resizeFactor = Mathf.Max(p_complexShape.GetScaleFixerValue(), GetScaleFixerValue());
if (v_resizeFactor > 0 && v_resizeFactor < 1)
{
p_complexShape.Resize(Vector2.one / v_resizeFactor, 2);
Resize(Vector2.one / v_resizeFactor, 2);
}
foreach (var v_shape in Shapes)
{
if (v_shape != null)
{
v_clipper.AddPath(v_shape.Vertices, ExternLibs.ClipperLib.PolyType.ptSubject, true);
}
}
if (p_complexShape != null)
{
foreach (var v_shape in p_complexShape.Shapes)
{
if (v_shape != null)
{
v_clipper.AddPath(v_shape.Vertices, ExternLibs.ClipperLib.PolyType.ptClip, true);
}
}
}
List <List <Vector2> > v_solutions = new List <List <Vector2> >();
v_clipper.Execute(p_clipType, v_solutions, Kyub.ExternLibs.ClipperLib.PolyFillType.pftNonZero, Kyub.ExternLibs.ClipperLib.PolyFillType.pftNonZero);
//v_solutions = Kyub.ExternLibs.ClipperLib.Clipper.CleanPolygons(v_solutions);
//Revert to original size precision
ComplexShape v_finalSolution = new ComplexShape(v_solutions);
if (v_resizeFactor > 0 && v_resizeFactor < 1)
{
p_complexShape.Resize(Vector2.one * v_resizeFactor);
Resize(Vector2.one * v_resizeFactor);
v_finalSolution.Resize(Vector2.one * v_resizeFactor);
}
return(v_finalSolution);
}
public ComplexShape(ComplexShape p_complexShape, bool p_optimize = false)
{
if (p_complexShape != null)
{
m_shapes = new List <PolygonShape>();
//Clone Each Internal Polygon
foreach (var v_shape in p_complexShape.Shapes)
{
m_shapes.Add(new PolygonShape(v_shape));
}
TryRecalcBounds(true);
if (p_optimize)
{
Optimize();
TryRecalcBounds();
}
}
}
public ComplexShape Union(ComplexShape p_complexShape)
{
return(new ComplexShape(this).Union(p_complexShape));
}
public ComplexShape Difference(ComplexShape p_complexShape)
{
return(new ComplexShape(this).Difference(p_complexShape));
}
public ComplexShape Intersection(ComplexShape p_complexShape)
{
return(new ComplexShape(this).Intersection(p_complexShape));
}
public ComplexShape Union(ComplexShape p_complexShape)
{
return(ExecuteGeometryClip(p_complexShape, ExternLibs.ClipperLib.ClipType.ctUnion));
}
public ComplexShape Difference(ComplexShape p_complexShape)
{
return(ExecuteGeometryClip(p_complexShape, ExternLibs.ClipperLib.ClipType.ctDifference));
}