public static ArrayList<Vertices> ConvexPartition(Vertices vertices, float sheer) {
ArrayList<Point> compatList = new ArrayList<Point>(vertices.getVertices().size());
for (Iterator<Vector2> iter = vertices.getVertices().iterator(); iter.hasNext(); ) {
Vector2 vertex = (Vector2) iter.next();
compatList.add(new Point(vertex.x, vertex.x));
}
System.out.println(compatList.size());
Triangulator t = new Triangulator(compatList, sheer);
ArrayList<Vertices> list = new ArrayList<Vertices>();
for (Iterator<ArrayList<Point>> iter = t.Triangles.iterator(); iter.hasNext(); ) {
ArrayList<Point> triangle = (ArrayList<Point>) iter.next();
Vertices outTriangles = new Vertices(triangle.size());
for (Iterator<Point> iter1 = triangle.iterator(); iter1.hasNext(); ) {
Point outTriangle = (Point) iter1.next();
outTriangles.getVertices().add(new Vector2(outTriangle.X, outTriangle.Y));
}
list.add(outTriangles);
}
return list;
}
/// <summary>
/// Decompose the polygon into several smaller non-concave polygons.
/// </summary>
/// <param name="vertices">The polygon to decompose.</param>
/// <param name="sheer">The sheer to use if you get bad results, try using a higher value.</param>
/// <returns>A list of trapezoids</returns>
public static ArrayList<Vertices> ConvexPartitionTrapezoid(Vertices vertices, float sheer) {
ArrayList<Point> compatList = new ArrayList<Point>(vertices.getVertices().size());
for (Iterator<Vector2> iter = vertices.getVertices().iterator(); iter.hasNext(); ) {
Vector2 vertex = (Vector2) iter.next();
compatList.add(new Point(vertex.x, vertex.y));
}
Triangulator t = new Triangulator(compatList, sheer);
ArrayList<Vertices> list = new ArrayList<Vertices>();
for (Iterator<Trapezoid> iter = t.Trapezoids.iterator(); iter.hasNext(); ) {
Trapezoid trapezoid = (Trapezoid) iter.next();
Vertices verts = new Vertices();
ArrayList<Point> points = trapezoid.GetVertices();
for (Iterator<Point> iter1 = points.iterator(); iter1.hasNext(); ) {
Point point = (Point) iter1.next();
verts.getVertices().add(new Vector2(point.X, point.Y));
}
list.add(verts);
}
return list;
}
