public void FailBallCreation()
{
Ball.Builder ball = new Ball.Builder().Position(null);
Assert.Throws <InvalidOperationException>(() => ball.Build());
ball.Position(new Position(10, 10)).Direction(null);
Assert.Throws <InvalidOperationException>(() => ball.Build());
ball.Position(new Position(10, 10)).Direction(new DirVector(1, 0)).Height(-1);
Assert.Throws <InvalidOperationException>(() => ball.Build());
ball.Position(new Position(10, 10)).Direction(new DirVector(1, 0)).Height(10).Width(-1);
Assert.Throws <InvalidOperationException>(() => ball.Build());
ball.Position(new Position(10, 10)).Direction(new DirVector(1, 0)).Height(10).Width(1).Path(null);
Assert.Throws <InvalidOperationException>(() => ball.Build());
}
public void BallMovement()
{
GameBoard board = new GameBoard(new Wall(100, 100));
Ball.Builder ballBuilder = new Ball.Builder();
ballBuilder.Height(10)
.Width(10)
.Speed(0.2)
.Path("img/defaultBall.png");
// north direction
double py = Math.Sin((Math.PI / 180) * 90);
double px = Math.Cos((Math.PI / 180) * 90);
ballBuilder.Position(new Position(50, 50))
.Direction(new DirVector(px, py));
HashSet <Ball> ballContainer = new HashSet <Ball>();
ballContainer.Add(ballBuilder.Build());
board.SetBalls(ballContainer);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
board.UpdateState(10);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 52), ent.Position);
}
// south direction
py = Math.Sin((Math.PI / 180) * 270);
px = Math.Cos((Math.PI / 180) * 270);
ballBuilder.Position(new Position(50, 50))
.Direction(new DirVector(px, py));
ballContainer = new HashSet <Ball>();
ballContainer.Add(ballBuilder.Build());
board.SetBalls(ballContainer);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
board.UpdateState(10);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 48), ent.Position);
}
// east direction
py = Math.Sin((Math.PI / 180) * 0);
px = Math.Cos((Math.PI / 180) * 0);
ballBuilder.Position(new Position(50, 50))
.Direction(new DirVector(px, py));
ballContainer = new HashSet <Ball>();
ballContainer.Add(ballBuilder.Build());
board.SetBalls(ballContainer);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
board.UpdateState(10);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(52, 50), ent.Position);
}
// west direction
py = Math.Sin((Math.PI / 180) * 180);
px = Math.Cos((Math.PI / 180) * 180);
ballBuilder.Position(new Position(50, 50))
.Direction(new DirVector(px, py));
ballContainer = new HashSet <Ball>();
ballContainer.Add(ballBuilder.Build());
board.SetBalls(ballContainer);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
board.UpdateState(10);
foreach (Ball ent in board.GetSceneEntity())
{
Assert.AreEqual(new Position(48, 50), ent.Position);
}
}
public void BallSpeed()
{
GameBoard world = new GameBoard(new Wall(100, 100));
Ball.Builder ballBuilder = new Ball.Builder();
ballBuilder.Height(10)
.Width(10)
.Path("img/defaultBall.png");
double py = Math.Sin((Math.PI / 180) * 0);
double px = Math.Cos((Math.PI / 180) * 0);
ballBuilder.Position(new Position(50, 50))
.Direction(new DirVector(px, py));
HashSet <Ball> ballContainer = new HashSet <Ball>();
ballContainer.Add(ballBuilder.Build());
world.SetBalls(ballContainer);
// 0 speed
ballBuilder.Speed(0);
world.SetBalls(ballContainer);
foreach (Ball ent in world.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
world.UpdateState(1000);
foreach (Ball ent in world.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
// 0.1 speed
ballContainer = new HashSet <Ball>();
ballBuilder.Speed(0.1);
ballContainer.Add(ballBuilder.Build());
world.SetBalls(ballContainer);
foreach (Ball ent in world.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
world.UpdateState(10);
foreach (Ball ent in world.GetSceneEntity())
{
Assert.AreEqual(new Position(51, 50), ent.Position);
}
// 1 speed
ballContainer = new HashSet <Ball>();
ballBuilder.Speed(1);
ballContainer.Add(ballBuilder.Build());
world.SetBalls(ballContainer);
foreach (Ball ent in world.GetSceneEntity())
{
Assert.AreEqual(new Position(50, 50), ent.Position);
}
world.UpdateState(10);
foreach (Ball ent in world.GetSceneEntity())
{
Assert.AreEqual(new Position(60, 50), ent.Position);
}
}