public Viewport()
{
camera = new Camera() { ProjectionMode = mode, Zoom = 2 };
tw = new TextWriter(vw, vh, 50, 20);
}
public void Resize()
{
w = pnlViewport.Control.Width;
h = pnlViewport.Control.Height;
if ((w == ow && h == oh) || (w <= 0 || h <= 0)) { return; }
ow = vw;
oh = vh;
aspect_ratio = w / (float)h;
perspective = Matrix4.CreatePerspectiveFieldOfView(MathHelper.PiOver4, aspect_ratio, 0.1f, 1000);
int xo = ((int)position & 1);
int yo = ((int)position & 2) >> 1;
vw = (w / (int)width) - 2;
vh = (h / (int)height) - 2;
tw = new TextWriter(vw, vh, vw, vh);
tw.AddLine(name, new PointF(5, 5), Brushes.Blue);
//tw.AddLine(name, new PointF(vw / 2 + 9, vh / 2 - 5), Brushes.Red, Fonts.AxisLabel);
x = (xo * 2) + 1 + (vw * xo);
y = (yo * 2) + 1 + (vh * yo);
}
