public bool IntersectCircle(PictureBall other)
{
var dx = X - other.X;
var dy = Y - other.Y;
var length = Math.Sqrt(dx * dx + dy * dy);
return(length < radius + other.radius);
}
public bool IntersectSquare(PictureBall other)
{
for (int i = 0; i < diameter; i++)
{
for (int j = 0; j < other.diameter; j++)
{
if (X + i == other.X + j)
{
for (int k = 0; k < diameter; k++)
{
for (int l = 0; l < other.diameter; l++)
{
if (Y + k == other.Y + l)
{
return(true);
}
}
}
}
}
}
return(false);
}