public static void brick_applyReflectPower(Ball ball, Brick brick)
{
currentHit = brick.brick_Level;
if (currentHit != prevHit) // if the same brick was previously hit, don't increase ball velocity
{
if (currentHit > prevHit) // if a higher point brick is struck, apply that brick's reflective force
{
apply_Level++;
apply_ForceLevel(ball);
prevHit = currentHit;
}
else //if a lower point brick is struck, use 2 levels lower reflective force
{
apply_Level = prevHit - 2;
apply_ForceLevel(ball);
prevHit = currentHit;
}
}
else if (currentHit != apply_Level) // in normal success scenario, both levels should be the same
{ // if not, then each hit of the same brick will use the next upper level of force.
apply_Level++;
apply_ForceLevel(ball);
}
}
public void check_Collisions(Ball ball, bool killable)
{
for (int r = 0; r < rows; r++)
{
for (int u = 0; u < bricks_per_row; u++)
{
Collisions.Check_Sprite_colision(ball, brick_layout[r,u], killable);
}
}
}
public void Rebound_from_Paddle(Ball ball)
{
if (this.box.Intersects(ball.box))
{
deviation = (box.Min.X + mSpriteTexture.Width / 2) -(ball.box.Min.X + ball.get_Texture().Width / 2);
if (ball.Direction.X > 0)
{
ball.Speed.X -= ball.Old_deviation;
ball.Speed.X += (deviation * -1 * DEV_MAGNITUDE);
ball.Old_deviation = (deviation * -1 * DEV_MAGNITUDE);
}
else
{
ball.Speed.X -= ball.Old_deviation;
ball.Speed.X += (deviation * DEV_MAGNITUDE);
ball.Old_deviation = (deviation * DEV_MAGNITUDE);
}
}
}
protected override void Initialize()
{
height = graphics.GraphicsDevice.Viewport;
height.Height = 800;
graphics.GraphicsDevice.Viewport = height;
this.graphics.PreferredBackBufferHeight = 800;
this.graphics.ApplyChanges();
ball_1 = new Ball(new Vector2(400, 400), // init Position
2, // Speed multi, multiplies final speed vector
// after all other modifications in the game lifetime
new Vector2(1, 1)); // init Direction
ball_2 = new Ball(new Vector2(400, 400),
2,
new Vector2(1, 1));
paddle = new Paddle(this.graphics);
theBrick_Manager = new Brick_Manager(this.graphics);
theScore_Manager = new Score_Manager(this.graphics);
theMenu_Manager = new Menu_Manager(this.graphics);
// Initializing audio objects
theAudioEngine = new AudioEngine("Content\\Audio\\Breakout_Audio.xgs");
theWaveBank = new WaveBank(theAudioEngine, "Content\\Audio\\Wave Bank.xwb");
theSoundBank = new SoundBank(theAudioEngine, "Content\\Audio\\Sound Bank.xsb");
theMusic_Manager = new Music_Manager();
gameover = false;
base.Initialize();
}
private static void apply_ForceLevel(Ball ball)
{
ball.Speed.X -= applied_oldForce;
ball.Speed.Y -= applied_oldForce;
switch (apply_Level)
{
case 0:
applied_oldForce = 0;
ball.Speed.X += 0;
ball.Speed.Y += 0;
break;
case 1:
ball.Speed.X += yellow_reflectForce;
ball.Speed.Y += yellow_reflectForce;
applied_oldForce = yellow_reflectForce;
break;
case 2:
ball.Speed.X += red_reflectForce;
ball.Speed.Y += red_reflectForce;
applied_oldForce = red_reflectForce;
break;
case 3:
ball.Speed.X += green_reflectForce;
ball.Speed.Y += green_reflectForce;
applied_oldForce = green_reflectForce;
break;
case 4:
ball.Speed.X += blue_reflectForce;
ball.Speed.Y += blue_reflectForce;
applied_oldForce = blue_reflectForce;
break;
default:
break;
}
}
/// <summary>
/// Determines if ball hit top wall and shrinks the paddle by 1/3.
/// </summary>
/// <param name="graphics"></param>
/// <param name="ball"></param>
/// <param name="paddle"></param>
public static void upperWallHit_shrink(GraphicsDeviceManager graphics, Ball ball, Paddle paddle)
{
if (paddle.isNotShrunk)
{
if (ball.Prev_Pos_min.Y < 0) // Top border check
{
paddle.set_Scale(new Vector2(paddle.get_Scale().X * 0.333f, 1)); // 0.333f = 1/3 scale
paddle.isNotShrunk = false; // Shrinking only happens once, subsequent top wall colisions will no shrink it further
}
}
}
