public void check_for_score(Puck puck)
{
if (puck.pos.X <= -18 && (puck.pos.Y < 4 && puck.pos.Y > -4))
{
//player on the right hand side +1
game.score2 += 1;
//reset the speed of the puck
puck.velocity.X = 0;
puck.velocity.Y = 0;
//reset the position of the puck
puck.pos.X = -11;
puck.pos.Y = 0;
}
if (puck.pos.X >= 18 && (puck.pos.Y < 4 && puck.pos.Y > -4))
{
//player on the left hand side +1
game.score1 += 1;
//reset the speed of the puck
puck.velocity.X = 0;
puck.velocity.Y = 0;
//reset the position of the puck
puck.pos.X = 11;
puck.pos.Y = 0;
}
}
public void calc_rebound_wall(Puck puck)
{
if (puck.pos.Y > game.boundaryTop - radius || puck.pos.Y < game.boundaryBottom + radius)
{
puck.velocity.Y *= -0.95f;
}
if (puck.pos.X > game.boundaryRight - radius || puck.pos.X < game.boundaryLeft + radius)
{
puck.velocity.X *= -0.95f;
}
}
public void resetGame()
{
//reset the score to 0
score1 = 0;
score2 = 0;
gameObjects = new List <GameObject>();
player1 = new Player(this, new Vector3(boundaryLeft + 2, 0, 0), PlayerNumber.P1);
player2 = new Player(this, new Vector3(boundaryRight - 2, 0, 0), PlayerNumber.P2);
puck = new Puck(this);
arena = new Arena(this);
gameObjects.Add(player1);
gameObjects.Add(player2);
gameObjects.Add(puck);
gameObjects.Add(arena);
}
protected override void LoadContent()
{
// Initialise game object containers.
gameObjects = new List <GameObject>();
addedGameObjects = new Stack <GameObject>();
removedGameObjects = new Stack <GameObject>();
// Create game objects.
player1 = new Player(this, new Vector3(boundaryLeft + 2, 0, 0), PlayerNumber.P1);
player2 = new Player(this, new Vector3(boundaryRight - 2, 0, 0), PlayerNumber.P2);
puck = new Puck(this);
arena = new Arena(this);
gameObjects.Add(player1);
gameObjects.Add(player2);
gameObjects.Add(puck);
gameObjects.Add(arena);
screenWidth = Windows.UI.Xaml.Window.Current.Bounds.Width;
// Create an input layout from the vertices
base.LoadContent();
}
private void AIUpdate(GameTime gameTime)
{
// Decision making for the player two AI
Puck puck = game.puck;
if (puck.pos.X + 1 > pos.X)
{
// the puck is behind P2
// this line works but causes jerky movement in P2
velocity.X = puck.velocity.Length() * 0.9f;
}
else if (puck.velocity.X < 0 && puck.pos.X < 4)
{
// Puck is heading away from the P2
// attempt to return to the idle position
float diffX = pos.X - idlePos.X;
float diffY = pos.Y - idlePos.Y;
float dist = (float)Math.Sqrt(Math.Pow(diffX, 2) + Math.Pow(diffY, 2));
if (dist > 1.5)
{
velocity.X = -diffX * 0.05f;
velocity.Y = -diffY * 0.05f;
}
}
else if (/*puck.velocity.Length() < 1 && */ puck.pos.X > 0)
{
// puck is slowly moving within range of P2
// try to strike the puck
float diffX;
float diffY;
float dist;
if (puck.velocity.Length() > 1)
{
diffX = pos.X - (puck.pos.X + puck.velocity.X * puck.velocity.X);
diffY = pos.Y - (puck.pos.Y + puck.velocity.Y * puck.velocity.Y);
dist = (float)Math.Sqrt(Math.Pow(diffX, 2) + Math.Pow(diffY, 2));
}
else
{
diffX = pos.X - (puck.pos.X + puck.velocity.X * 2);
diffY = pos.Y - (puck.pos.Y + puck.velocity.Y * 2);
dist = (float)Math.Sqrt(Math.Pow(diffX, 2) + Math.Pow(diffY, 2));
}
velocity.X = -diffX * 0.075f;
velocity.Y = -diffY * 0.075f;
}
else
{
// puck is moving quickly toward P2
// try to get between the puck and the goal
}
velocity *= game.AIspeed;
}
