public static bool CheckIfTop(ObservableCollection <Cuboid> cuboids, Cuboid cuboid)
{
foreach (Cuboid c in cuboids)
{
if (c != cuboid && c.SitsOn(cuboid))
{
return(false);
}
}
return(true);
}
public static bool CheckIfCanBeAdded(ObservableCollection <Cuboid> cuboids, Cuboid cuboid)
{
if (cuboid.X < 0 || cuboid.Y < 0 || cuboid.Z < 0)
{
return(false);
}
if ((cuboid.X + cuboid.Width > Settings.MaxSize) ||
(cuboid.Y + cuboid.Depth > Settings.MaxSize) ||
(cuboid.Z + cuboid.Height > Settings.MaxSize))
{
return(false);
}
foreach (Cuboid c in cuboids)
{
if (c != cuboid && c.OverlapsWith(cuboid))
{
return(false);
}
}
if (cuboid.Z == 0)
{
return(true);
}
bool[,] checks = new bool[cuboid.Width, cuboid.Depth];
for (int i = 0; i < cuboid.Width; i++)
{
for (int j = 0; j < cuboid.Depth; j++)
{
checks[i, j] = false;
}
}
foreach (Cuboid c in cuboids)
{
if (cuboid.SitsOn(c))
{
int xStart = cuboid.X > c.X ? cuboid.X : c.X;
xStart -= cuboid.X;
int yStart = cuboid.Y > c.Y ? cuboid.Y : c.Y;
yStart -= cuboid.Y;
int xEnd = (cuboid.X + cuboid.Width) < (c.X + c.Width) ? (cuboid.X + cuboid.Width) : (c.X + c.Width);
xEnd -= cuboid.X;
int yEnd = (cuboid.Y + cuboid.Depth) < (c.Y + c.Depth) ? (cuboid.Y + cuboid.Depth) : (c.Y + c.Depth);
yEnd -= cuboid.Y;
for (int i = xStart; i < xEnd; i++)
{
for (int j = yStart; j < yEnd; j++)
{
checks[i, j] = true;
}
}
}
}
for (int i = 0; i < cuboid.Width; i++)
{
for (int j = 0; j < cuboid.Depth; j++)
{
if (!checks[i, j])
{
return(false);
}
}
}
return(true);
}
public static int FindLastCoordinateForTopView(ObservableCollection <Cuboid> cuboids, Cuboid cuboid)
{
int max = 0;
foreach (Cuboid c in cuboids)
{
if ((c.X <= cuboid.X) && (cuboid.X < c.X + c.Width) &&
(c.Y <= cuboid.Y) && (cuboid.Y < c.Y + c.Depth) &&
(c.Z + c.Height > max) && cuboid != c)
{
max = c.Z + c.Height;
}
}
return(max);
}