public void Turn_Right_N()
{
Compass compass = new Compass('W');
compass.Turn('R');
Assert.AreEqual(compass.GetDirection(), 'N');
}
public void TurnRight_InitWithNorth_E()
{
Compass compass = new Compass('N');
compass.Turn('R');
Assert.AreEqual(compass.GetDirection(), 'E');
}
public void Turn_Left_W()
{
Compass compass = new Compass('N');
compass.Turn('L');
Assert.AreEqual(compass.GetDirection(), 'W');
}
public void GetDirection_InitWithNorth_N()
{
Compass compass = new Compass('N');
Assert.AreEqual(compass.GetDirection(), 'N');
}
public void Draw(XnaRenderer renderer)
{
Tile[] parts = _body.ToArray();
for (int i = 0; i < parts.Length; i++)
{
Texture texture;
float angle = 0;
Tile part = parts[i];
if (i == parts.Length - 1)
{
texture = _headAnimation.CurrentTexture;
angle = Compass.GetAngle(MoveDirection);
}
else if (i == 0)
{
texture = _tailTexture;
CardinalDirection directionOfLast = Compass.GetDirection(parts[i + 1].Position - parts[i].Position);
angle = Compass.GetAngle(directionOfLast);
}
else
{
CardinalDirection directionOfNext = Compass.GetDirection(parts[i - 1].Position - parts[i].Position);
CardinalDirection directionOfLast = Compass.GetDirection(parts[i + 1].Position - parts[i].Position);
if (Compass.GetOppositeDirection(directionOfLast) == directionOfNext)
{
texture = _bodyNsTexture;
if (directionOfNext == CardinalDirection.East || directionOfNext == CardinalDirection.West)
{
angle = MathHelper.PiOver2;
}
}
else
{
texture = _bodyNeTexture;
if (directionOfLast == CardinalDirection.North && directionOfNext == CardinalDirection.West)
{
angle = MathHelper.PiOver2 * 3;
}
if (directionOfLast == CardinalDirection.East && directionOfNext == CardinalDirection.South)
{
angle = MathHelper.PiOver2;
}
if (directionOfLast == CardinalDirection.South && directionOfNext == CardinalDirection.East)
{
angle = MathHelper.PiOver2;
}
if (directionOfLast == CardinalDirection.South && directionOfNext == CardinalDirection.West)
{
angle = MathHelper.Pi;
}
if (directionOfLast == CardinalDirection.West && directionOfNext == CardinalDirection.South)
{
angle = MathHelper.Pi;
}
if (directionOfLast == CardinalDirection.West && directionOfNext == CardinalDirection.North)
{
angle = MathHelper.PiOver2 * 3;
}
}
}
renderer.DrawSprite(texture, new Vector2(part.Position.X + 0.5f, part.Position.Y + 0.5f), new Vector2(1f, 1f), angle, Color.Green, 1f);
}
}
