public void Test_Add() { var pt = new ArborPoint(3, 4); Assert.AreEqual(3.0f, pt.X); Assert.AreEqual(4.0f, pt.Y); pt = pt.Add(new ArborPoint(10, 11)); Assert.AreEqual(13.0f, pt.X); Assert.AreEqual(15.0f, pt.Y); }
private void UpdateGraphBounds() { ArborPoint lt = new ArborPoint(-1.0f, -1.0f); ArborPoint rb = new ArborPoint(+1.0f, +1.0f); for (int i = 0, nodesCount = fNodes.Count; i < nodesCount; i++) { ArborPoint pt = fNodes[i].Pt; if (pt.IsExploded()) { continue; } if (pt.X < lt.X) { lt.X = pt.X; } if (pt.Y < lt.Y) { lt.Y = pt.Y; } if (pt.X > rb.X) { rb.X = pt.X; } if (pt.Y > rb.Y) { rb.Y = pt.Y; } } lt.X -= 1.2f; lt.Y -= 1.2f; rb.X += 1.2f; rb.Y += 1.2f; ArborPoint sz = rb.Sub(lt); ArborPoint cent = lt.Add(sz.Div(2.0f)); ArborPoint d = new ArborPoint(Math.Max(sz.X, 4.0f), Math.Max(sz.Y, 4.0f)).Div(2.0f); fGraphBounds = new PSBounds(cent.Sub(d), cent.Add(d)); fBHTree = new BarnesHutTree(fGraphBounds.LeftTop, fGraphBounds.RightBottom, Theta); }
internal void ApplyForce(ArborPoint a) { F = F.Add(a.Div(Mass)); }