public System.Drawing.Point[] GetBox(int scale, int centerX, int centerY, out System.Drawing.Point invisible, List <System.Windows.Forms.Label> debug)
{
var points = ProjectionTool.ToArray(_box);
var projection = ProjectionTool.Projection(points, (double)TypeOfProjection / 2, 45);
int invisibleIndex = ProjectionTool.FindInvisible(points, debug);
invisibleIndex = 0;
switch (invisibleIndex)
{
case 0:
invisibleIndex = 2;
break;
case 1:
invisibleIndex = 3;
break;
case 2:
invisibleIndex = 0;
break;
case 3:
invisibleIndex = 1;
break;
case 4:
invisibleIndex = 6;
break;
case 5:
invisibleIndex = 7;
break;
case 6:
invisibleIndex = 4;
break;
case 7:
invisibleIndex = 5;
break;
}
var result = ProjectionTool.ToPoints(projection, scale, centerX, centerY);
invisible = result[invisibleIndex];
return(result);
}
public static int FindInvisible(double[,] points, List <System.Windows.Forms.Label> debug)
{
var cameraPoint = new double[, ] {
{ 4, 4, -5 }
};
var projectedCameraPoint = ProjectionTool.Projection(cameraPoint, 1, 45);
var normal = new Point(1, 1, -1);
var projectedNormal = ProjectionTool.Projection(cameraPoint, 1, 45);
var cameraPlain = new Plane(cameraPoint, normal);//new double[] { 1, 1, -1, -2 };
var testRes = new List <double>();
var soTest = ToJagged(points);
testRes.Add(IsVisible(cameraPoint, new Plane(soTest[0], soTest[2], soTest[6])));
testRes.Add(IsVisible(cameraPoint, new Plane(soTest[2], soTest[3], soTest[7])));
testRes.Add(IsVisible(cameraPoint, new Plane(soTest[4], soTest[6], soTest[7])));
testRes.Add(IsVisible(cameraPoint, new Plane(soTest[0], soTest[1], soTest[5])));
testRes.Add(IsVisible(cameraPoint, new Plane(soTest[1], soTest[3], soTest[7])));
testRes.Add(IsVisible(cameraPoint, new Plane(soTest[0], soTest[2], soTest[3])));
int maxDistanceIndex = 0;
double maxDistance = 0;
for (int i = 0; i < points.GetLength(0); i++)
{
var currentPoint = new Point(points[i, 0], points[i, 1], points[i, 2]);
var distance = PlaneDotDistance(currentPoint, cameraPlain);
if (i < debug.Count)
{
debug[i].Text = String.Format("Distance {0}", distance);
}
if (distance > maxDistance)
{
maxDistanceIndex = i;
maxDistance = distance;
}
}
return(maxDistanceIndex);
}
