void Move()
{
float newXpos = 0.0f;
float newYpos = 0.0f;
if (Input.GetAxis("Player1Horizontal") != 0.0f)
{
newXpos = Input.GetAxis("Player1Horizontal") * movementSpeed * Time.deltaTime;
if (Input.GetAxis("Player1Horizontal") < 0.0f)
{
faceing = Faceing.Left;
}
else if (Input.GetAxis("Player1Horizontal") > 0.0f)
{
faceing = Faceing.Right;
}
}
if (Input.GetAxis("Player1Vertical") != 0.0f)
{
newYpos = Input.GetAxis("Player1Vertical") * movementSpeed * Time.deltaTime;
if (Input.GetAxis("Player1Vertical") < 0.0f)
{
faceing = Faceing.Down;
}
else if (Input.GetAxis("Player1Vertical") > 0.0f)
{
faceing = Faceing.Up;
}
}
rb.velocity = new Vector2(newXpos, newYpos);
}
public void Solve()
{
// For part 2 we need a compleat list of all the point we pass through.
// not just the directions at each intersection.
// To do this we make a list of positions.
List <Position> placesWeHaveBeen = new List <Position>();
// Since the answer might be where we started, we will add the start.
placesWeHaveBeen.Add(new Position(0, 0));
// and to let us know when to stop looking, we set a bool
bool duplicatePlaceFound = false;
// We need to move differantly than in part 1
foreach (Instruction i in Directions)
{
/* Part 1 code:
* //this.face = Face(this.face, i.Rotation);
* //Move(i.Distance, this.face);
*/
// First we start by updating our faceing:
this.face = Face(this.face, i.Rotation);
// Then instead of moving all the blocks at once we move one by one.
for (int c = 0; c < i.Distance; c++)
{
Move(1, this.face);
// Have we been here before?
// We can check this by compareing our coordinates with all the other coordinates we have visited.
foreach (Position p in placesWeHaveBeen)
{
if (this.x == p.X && this.y == p.Y)
{
// we have been here before!
duplicatePlaceFound = true;
break;
}
}
// Add this place to the list of places we have been
placesWeHaveBeen.Add(new Position(this.x, this.y));
if (duplicatePlaceFound)
{
break;
}
}
if (duplicatePlaceFound)
{
break;
}
}
Console.WriteLine("The end is {0} blocks away from here.", Math.Abs(this.x) + Math.Abs(this.y));
}
private Faceing Face(Faceing face, char turn)
{
if (turn == 'R')
{
switch (face)
{
case Faceing.NORTH:
return(Faceing.EAST);
case Faceing.SOUTH:
return(Faceing.WEST);
case Faceing.EAST:
return(Faceing.SOUTH);
case Faceing.WEST:
return(Faceing.NORTH);
default:
return(face);
}
}
else
{
switch (face)
{
case Faceing.NORTH:
return(Faceing.WEST);
case Faceing.SOUTH:
return(Faceing.EAST);
case Faceing.EAST:
return(Faceing.NORTH);
case Faceing.WEST:
return(Faceing.SOUTH);
default:
return(face);
}
}
}
private void Move(int blocks, Faceing face)
{
switch (face)
{
case Faceing.NORTH:
this.x = this.x + blocks;
break;
case Faceing.SOUTH:
this.x = this.x - blocks;
break;
case Faceing.EAST:
this.y = this.y + blocks;
break;
case Faceing.WEST:
this.y = this.y - blocks;
break;
default:
break;
}
}
