public static Meshable[] DivideFormByDivsRatio(Meshable mb, float[] divs, int axis)
{
List <Meshable> outMeshable = new List <Meshable>();
if (divs.Length == 0)
{
outMeshable.Add((Meshable)mb.Clone());
return(outMeshable.ToArray());
}
Vector3 n = mb.bbox.vects[axis];
//Debug.Log("n=" + n);
Vector3 org = mb.bbox.vertices[0];
Vector3 offset = n * divs[0] * mb.bbox.size[axis];
org += offset;
//Debug.Log("offset=" + offset);
Plane pln = new Plane(n, org);
Meshable[] splits = mb.SplitByPlane(pln);
if (splits[0] != null)
{
splits[0].bbox = BoundingBox.CreateFromPoints(splits[0].vertices, mb.bbox);
outMeshable.Add(splits[0]);
}
else
{
throw new System.Exception("splits[0] is null!");
}
Meshable remain = splits[1];
int counter = 0;
while (remain != null && counter < divs.Length)
{
org += offset;
//Debug.Log("org=" + org);
pln = new Plane(n, org);
splits = remain.SplitByPlane(pln);
//splits = Rules.Bisect.SplitByPlane(remain, pln);
if (splits[0] != null)
{
splits[0].bbox = BoundingBox.CreateFromPoints(splits[0].vertices, mb.bbox);
outMeshable.Add(splits[0]);
}
else
{
break;
//throw new System.Exception("splits[0] is null!");
}
remain = splits[1];
counter++;
}
return(outMeshable.ToArray());
}
public static List <Meshable> SplitByPlane(Meshable mb, Plane pln)
{
List <Meshable> outs = new List <Meshable>();
//get the splited meshables
Meshable[] temp = new Meshable[0];
temp = mb.SplitByPlane(pln);
for (int i = 0; i < temp.Length; i++)
{
if (temp[i] != null)
{
//Debug.Log("---------------------->creating boundong box");
temp[i].bbox = BoundingBox.CreateFromPoints(temp[i].vertices, mb.bbox);
outs.Add(temp[i]);
}
}
return(outs);
}
public Meshable CutShapeObjectToFloors(Meshable form, float h, out Meshable remain)
{
//add cuted meshables to floor and return the remaining meshable
Vector3 bot = ((Extrusion)form).polygon.vertices[0];
Plane? cutter = null;
if (h > bot.y)
{
cutter = new Plane(Vector3.up, new Vector3(0, h, 0));
}
if (cutter.HasValue)
{
Meshable[] splits = form.SplitByPlane(cutter.Value);
remain = splits[1];
if (splits[0] != null)
{
return(splits[0]);
}
}
remain = null;
return(null);
}