public Point IsometricTransform(Perspective perspective)
{
PointF origin = new PointF((float)(perspective.Parent.ClientSize.Width / 2), (float)(perspective.Parent.ClientSize.Height / 2));
double transX = this.X - perspective.Position.X;
double transY = this.Y - perspective.Position.Y;
double deltaX = transX - origin.X;
double deltaY = transY - origin.Y;
double rotX = deltaX * Math.Cos(perspective.Rotation.X) - deltaY * Math.Sin(perspective.Rotation.X) + origin.X;
double rotY = deltaY * Math.Cos(perspective.Rotation.X) + deltaX * Math.Sin(perspective.Rotation.X) + origin.Y;
deltaY = rotY - origin.Y;
double newX = rotX;
double newY = deltaY * Math.Cos(perspective.Rotation.Y) + origin.Y - Math.Sin(perspective.Rotation.Y) * (this.Z);
//double newY = (rotY * Math.Cos (perspective.Rotation.Y)) + Math.Sin(perspective.Rotation.Y)*(this.Z) + Math.Sin(perspective.Rotation.Y) * origin.Y;
return(new Point((int)newX, (int)newY));
}
public void DrawPoint(Graphics g, Brush brush, Perspective p)
{
Point projectedPoint = this.IsometricTransform(p);
g.FillRectangle(brush, new RectangleF(projectedPoint.X - 2, projectedPoint.Y - 2, 5, 5));
}
public void DrawSphere(Graphics g, Perspective p)
{
DrawPolyhedron(g, p);
}