/// <summary>
/// Ensures that the inputPrimitive is kept within bounds of the world. If inputPrimitive position is outside
/// of the world bound, This function will determine the distances to the closes bound and force the inputPrimitive to
/// be insde that world bound.
/// </summary>
/// <param name="inputPrimitive">The primtive to be tested</param>
/// <returns>Which of the world bound that the inputPrimitive has moved out of.</returns>
public static BoundCollideStatus ClampAtWorldBound(XNACS1Primitive inputPrimitive)
{
BoundCollideStatus status = CollideWorldBound(inputPrimitive);
if (status != BoundCollideStatus.InsideBound)
{
Vector2 size = (inputPrimitive.MaxBound - inputPrimitive.MinBound) * 0.5f;
Vector2 max = new Vector2(WorldMax.X - size.X, WorldMax.Y - size.Y);
Vector2 min = new Vector2(WorldMin.X + size.X, WorldMin.Y + size.Y);
Vector2 pos = new Vector2(inputPrimitive.Center.X, inputPrimitive.Center.Y);
if (pos.X > max.X)
{
pos.X = max.X;
}
if (pos.Y > max.Y)
{
pos.Y = max.Y;
}
if (pos.X < min.X)
{
pos.X = min.X;
}
if (pos.Y < min.Y)
{
pos.Y = min.Y;
}
inputPrimitive.Center = pos;
}
return(status);
}
public Vector2 Update(Enemy[] enemy)
{
Vector2 s = new Vector2(-1f, -1f);
for (int i = 0; i < list.Count; i++)
{
shot temp = list[i];
if (list[i].shotLife == 0)
{
list[i].bullet.RemoveFromAutoDrawSet();
list[i].emitter.RemoveFromAutoDrawSet();
list.Remove(list[i]);
}
else
{
temp.shotLife--;
for (int j = 0; j < enemy.Length; j++)
{
list[i] = temp;
if (list[i].bullet.Collided(enemy[j]) && !list[i].hit)
{
s = enemy[j].TurnEnemyToBunny();
temp.hit = true;
list[i] = temp;
}
list[i].emitter.Center = list[i].bullet.Center;
}
BoundCollideStatus status = XNACS1Base.World.CollideWorldBound(temp.bullet);
switch (status)
{
case BoundCollideStatus.CollideBottom:
case BoundCollideStatus.CollideLeft:
case BoundCollideStatus.CollideRight:
case BoundCollideStatus.CollideTop:
temp.bullet.RemoveFromAutoDrawSet();
temp.emitter.RemoveFromAutoDrawSet();
list.Remove(list[i]);
break;
}
}
}
return(s);
}
public void Update()
{
if (IsInAutoDrawSet())
{
BoundCollideStatus status = XNACS1Base.World.ClampAtWorldBound(this);
switch (status)
{
case BoundCollideStatus.CollideBottom:
case BoundCollideStatus.CollideTop:
VelocityY *= -1;
break;
case BoundCollideStatus.CollideLeft:
case BoundCollideStatus.CollideRight:
VelocityX *= -1;
break;
}
}
}
public void Shoot(XNACS1Rectangle hero)
{
shot s = new shot(hero.Center, false);
s.bullet.ShouldTravel = true;
s.bullet.Velocity = (XNACS1Base.GamePad.ThumbSticks.Right.X == 0 && XNACS1Base.GamePad.ThumbSticks.Right.Y == 0) ? new Vector2(hero.Texture == "heroRight" ? 1 : -1, 0) : XNACS1Base.GamePad.ThumbSticks.Right;
list.Add(s);
BoundCollideStatus status = XNACS1Base.World.CollideWorldBound(s.bullet);
switch (status)
{
case BoundCollideStatus.CollideBottom:
case BoundCollideStatus.CollideLeft:
case BoundCollideStatus.CollideRight:
case BoundCollideStatus.CollideTop:
s.bullet.RemoveFromAutoDrawSet();
list.Remove(s);
s.bullet = null;
break;
}
}
protected override void UpdateWorld()
{
if (GamePad.Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (GamePad.ButtonAClicked() && mMyBall == null)
{
PlayACue("powerup");
mMyBall = new Ball((World.WorldMax + World.WorldMin) / 2f, RandomFloat(0.5f, 2f));
}
if (mMyPaddle != null)
{
mMyPaddle.updatePaddle(
GamePad.ButtonXClicked(),
GamePad.ButtonBClicked(),
GamePad.ThumbSticks.Right);
World.ClampAtWorldBound(mMyPaddle.mPaddle);
}
if (mMyBall != null)
{
mMyBall.updateBall(
GamePad.Buttons.LeftShoulder,
GamePad.Buttons.RightShoulder);
bool collided = mMyBall.mBall.Collided(mMyPaddle.mPaddle);
if (collided)
{
Score++;
mMyBall.PaddleCollide(mMyPaddle);
}
BoundCollideStatus collideStatus = World.CollideWorldBound(mMyBall.mBall);
switch (collideStatus)
{
case BoundCollideStatus.CollideBottom:
Score = 0;
mMyBall.DestroyBall();
mMyBall = null;
break;
case BoundCollideStatus.CollideTop:
World.ClampAtWorldBound(mMyBall.mBall);
mMyBall.WallCollide(true);
EchoToTopStatus(collideStatus.ToString());
break;
case BoundCollideStatus.CollideLeft:
case BoundCollideStatus.CollideRight:
World.ClampAtWorldBound(mMyBall.mBall);
mMyBall.WallCollide(false);
EchoToTopStatus(collideStatus.ToString());
break;
}
}
EchoToBottomStatus("Score: " + Score.ToString());
}