private void executeCommand(Day12Command command)
{
string instruction = command.instruction;
if (instruction == "F")
{
switch (this.direction)
{
case 0:
instruction = "E";
break;
case 1:
instruction = "S";
break;
case 2:
instruction = "W";
break;
case 3:
instruction = "N";
break;
}
}
switch (instruction)
{
case "N":
this.coordinates[1] += command.units;
break;
case "S":
this.coordinates[1] -= command.units;
break;
case "E":
this.coordinates[0] += command.units;
break;
case "W":
this.coordinates[0] -= command.units;
break;
case "L":
this.direction = (this.direction - (uint)(command.units / 90)) % 4;
break;
case "R":
this.direction = (this.direction + (uint)(command.units / 90)) % 4;
break;
}
}
private void executeCommand(Day12Command command)
{
switch (command.instruction)
{
case "N":
this.waypointCoordinates[1] += command.units;
break;
case "S":
this.waypointCoordinates[1] -= command.units;
break;
case "E":
this.waypointCoordinates[0] += command.units;
break;
case "W":
this.waypointCoordinates[0] -= command.units;
break;
case "L":
for (int i = 0; i < command.units / 90; i++)
{
int tempY = this.waypointCoordinates[1];
this.waypointCoordinates[1] = this.waypointCoordinates[0];
this.waypointCoordinates[0] = -tempY;
}
break;
case "R":
for (int i = 0; i < command.units / 90; i++)
{
int tempX = this.waypointCoordinates[0];
this.waypointCoordinates[0] = this.waypointCoordinates[1];
this.waypointCoordinates[1] = -tempX;
}
break;
case "F":
this.shipCoordinates[0] += (command.units * this.waypointCoordinates[0]);
this.shipCoordinates[1] += (command.units * this.waypointCoordinates[1]);
break;
}
}
