/// <summary>
/// Calculates an array of LineItems that describes a bounding box
/// </summary>
/// <param name="box"></param>
/// <returns></returns>
public static LineItem[] CalculateBoxLines(BoundingBoxD box)
{
// ZMax ZMin
// 0----1 4----5
// | | | |
// | | | |
// 3----2 7----6
Vector3D[] corners = box.GetCorners();
var lines = new LineItem[12];
//ZMax face
lines[0] = new LineItem(corners[0], corners[1]);
lines[1] = new LineItem(corners[1], corners[2]);
lines[2] = new LineItem(corners[2], corners[3]);
lines[3] = new LineItem(corners[3], corners[0]);
//ZMin face
lines[4] = new LineItem(corners[4], corners[5]);
lines[5] = new LineItem(corners[5], corners[6]);
lines[6] = new LineItem(corners[6], corners[7]);
lines[7] = new LineItem(corners[7], corners[4]);
//vertical lines
lines[8] = new LineItem(corners[0], corners[4]);
lines[9] = new LineItem(corners[1], corners[5]);
lines[10] = new LineItem(corners[2], corners[6]);
lines[11] = new LineItem(corners[3], corners[7]);
return(lines);
}
private void DrawTransparentBox(MatrixD matrix, BoundingBoxD bb)
{
count++;
Color color = Color.FromNonPremultiplied(new Vector4(0.1f, 0.1f, 0.1f, 0.7f));
MySimpleObjectDraw.DrawTransparentBox(ref matrix, ref bb, ref color, MySimpleObjectRasterizer.Solid, 1, 0.04f, VRage.Utils.MyStringId.GetOrCompute("HoneyComb"), null, false);
Vector3D[] vertices = bb.GetCorners();
List <Line> lines = new List <Line>();
// Cuboid Outline
lines.Add(new Line(vertices[0], vertices[1], false));
lines.Add(new Line(vertices[1], vertices[2], false));
lines.Add(new Line(vertices[2], vertices[3], false));
lines.Add(new Line(vertices[3], vertices[0], false));
lines.Add(new Line(vertices[0], vertices[4], false));
lines.Add(new Line(vertices[1], vertices[5], false));
lines.Add(new Line(vertices[4], vertices[5], false));
lines.Add(new Line(vertices[5], vertices[6], false));
lines.Add(new Line(vertices[6], vertices[7], false));
lines.Add(new Line(vertices[7], vertices[4], false));
lines.Add(new Line(vertices[2], vertices[6], false));
lines.Add(new Line(vertices[3], vertices[7], false));
// Crosses
lines.Add(new Line(vertices[0], vertices[2], false));
lines.Add(new Line(vertices[1], vertices[3], false));
lines.Add(new Line(vertices[4], vertices[6], false));
lines.Add(new Line(vertices[5], vertices[7], false));
lines.Add(new Line(vertices[0], vertices[7], false));
lines.Add(new Line(vertices[3], vertices[4], false));
lines.Add(new Line(vertices[1], vertices[6], false));
lines.Add(new Line(vertices[2], vertices[5], false));
lines.Add(new Line(vertices[0], vertices[5], false));
lines.Add(new Line(vertices[1], vertices[4], false));
lines.Add(new Line(vertices[3], vertices[6], false));
lines.Add(new Line(vertices[2], vertices[7], false));
foreach (var item in lines)
{
var to = Vector3D.Transform(item.To, matrix);
var from = Vector3D.Transform(item.From, matrix);
var dir = Vector3D.Normalize(to - from);
var length = (to - from).Length();
MyTransparentGeometry.AddLineBillboard(VRage.Utils.MyStringId.GetOrCompute("Firefly"), new Vector4(1f, 1f, 1f, 0.7f), from, dir, (float)length, 0.1f);
}
}