public void CanSubtractTwoPoints()
{
var p1 = Tuple.NewPoint(3, 2, 1);
var p2 = Tuple.NewPoint(5, 6, 7);
Assert.Equal(Tuple.NewVector(-2, -4, -6), p1 - p2);
}
public void CanSubtractAVectorFromAPoint()
{
var p = Tuple.NewPoint(3, 2, 1);
var v = Tuple.NewVector(5, 6, 7);
Assert.Equal(Tuple.NewPoint(-2, -4, -6), p - v);
}
private static void Main(string[] args)
{
Console.WriteLine("Projectile Demo");
var p = new Projectile(Tuple.NewPoint(0, 1, 0), Tuple.NewVector(1, 1, 0).Normalized);
var w = new World(Tuple.NewVector(0, -0.1, 0), Tuple.NewVector(-0.01, 0, 0));
var numTicks = 0;
Console.WriteLine($"Y: {p.Position.Y}, Ticks: {numTicks}");
while (p.Position.Y > 0)
{
p = Tick(w, p);
numTicks++;
Console.WriteLine($"Y: {p.Position.Y}, Ticks: {numTicks}");
}
Console.WriteLine($"It took {numTicks} ticks to hit the ground.");
Console.Read();
}
public void TupleFactoryCanCreateAPoint()
{
var p = Tuple.NewPoint(4, -4, 3);
Assert.Equal(new Tuple4(4, -4, 3, 1), p);
}