Beispiel #1
0
        private void onTick(object sender, EventArgs e)
        {
            if (!ball.GetBlnIsGlued())
            {
                ball.ChangePosition((int)(ball.GetRecPosition().X + ball.GetfltXVel()),
                                    (int)(ball.GetRecPosition().Y + ball.GetfltYVel()));
            }

            if (ball.GetRecPosition().Y < 0)
            {
                ball.ChangePosition(ball.GetRecPosition().X, 0);
                ball.SetFltYVel(-ball.GetfltYVel());
            }

            if (ball.GetRecPosition().Y - ball.GetRecPosition().Height > this.Height)
            {
                ball.Glue();
                ball.ChangePosition(paddle.GetRecPosition().X + 72 / 2 - (ball.GetRecPosition().Width / 2),
                                    432 - 16);
            }

            if (ball.GetRecPosition().X < 0)
            {
                ball.ChangePosition(0, ball.GetRecPosition().Y);
                ball.SetFltXVel(-ball.GetfltXVel());
            }

            if (ball.GetRecPosition().X + ball.GetRecPosition().Width > this.Width)
            {
                ball.ChangePosition(this.Width - ball.GetRecPosition().Width, ball.GetRecPosition().Y);
                ball.SetFltXVel(-ball.GetfltXVel());
            }

            if (ball.CheckForIntersect(paddle.GetRecPosition()))
            {
                ball.ChangePosition(ball.GetRecPosition().X,
                                    ball.GetRecPosition().Y - ball.GetRecPosition().Height);
                ball.SetFltYVel(-ball.GetfltYVel());
            }

            for (int intRow = 0; intRow <= arrBricks.GetUpperBound(0); intRow++)
            {
                for (int intColumn = 0; intColumn <= arrBricks.GetUpperBound(1); intColumn++)
                {
                    if (arrBricks[intRow, intColumn].GetBlnIsVisible())
                    {
                        if (ball.CheckForIntersect(arrBricks[intRow, intColumn].GetRecPosition()))
                        {
                            arrBricks[intRow, intColumn].MakeInvisible();
                            if (ball.GetRecPosition().X + 10 < arrBricks[intRow, intColumn].GetRecPosition().X ||
                                ball.GetRecPosition().X > arrBricks[intRow, intColumn].GetRecPosition().X
                                + arrBricks[intRow, intColumn].GetRecPosition().Width)
                            {
                                ball.SetFltXVel(-ball.GetfltXVel());
                            }
                            else
                            {
                                ball.SetFltYVel(-ball.GetfltYVel());
                            }
                        }
                    }
                }
            }

            if (GetBrickCount() == 0)
            {
                tmrGame.Stop();
                Cursor.Show();
                if (MessageBox.Show("Would you like to play again?", "Play Again?", MessageBoxButtons.YesNo,
                                    MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    InitialiseGameScreenForm();
                }
                else
                {
                    Application.Exit();
                }
            }

            this.Refresh();
        }
Beispiel #2
0
        private void onTick(object sender, EventArgs e)
        {
            // if ball is glued, then it follows movement of paddle
            if (!ball.IsGlued())
            {
                ball.ChangePosition((int)(ball.GetPosition().X + ball.GetXVelocity()),
                                    (int)(ball.GetPosition().Y + ball.GetYVelocity()));
            }

            // if ball falls off bottom, glue it back above paddle
            if (ball.GetPosition().Y - ball.GetPosition().Height > this.Height)
            {
                ball.Glue();

                ball.ChangePosition(paddle.GetPosition().X + 72 / 2 - (ball.GetPosition().Width / 2),
                                    432 - 16);
            }

            // if Y < 0, then ball's gone off top of screen so it comes back down
            if (ball.GetPosition().Y < 0)
            {
                ball.ChangePosition(ball.GetPosition().X, 0);
                ball.SetYVelocity(-ball.GetYVelocity());
            }

            // if X < 0, then ball's gone off the left
            if (ball.GetPosition().X < 0)
            {
                ball.ChangePosition(0, ball.GetPosition().Y);
                ball.SetXVelocity(-ball.GetXVelocity());
            }

            // if X > Width, then ball's gone off the right
            if (ball.GetPosition().X + ball.GetPosition().Width > this.Width)
            {
                ball.ChangePosition(this.Width - ball.GetPosition().Width, ball.GetPosition().Y);
                ball.SetXVelocity(-ball.GetXVelocity());
            }

            // Check to see if its hit the paddle
            if (ball.CheckForIntersect(paddle))
            {
                ball.ChangePosition(ball.GetPosition().X,
                                    ball.GetPosition().Y - ball.GetPosition().Height);
                ball.SetYVelocity(-ball.GetYVelocity());
            }

            // Now deal with the bricks
            for (int row = 0; row <= bricks.GetUpperBound(0); row++)
            {
                for (int col = 0; col <= bricks.GetUpperBound(1); col++)
                {
                    if (bricks[row, col].IsVisible())
                    {
                        if (ball.CheckForIntersect(bricks[row, col]))
                        {
                            bricks[row, col].SetVisibility(false);
                            if (ball.GetPosition().X + 10 < bricks[row, col].GetPosition().X ||
                                ball.GetPosition().X > bricks[row, col].GetPosition().X
                                + bricks[row, col].GetPosition().Width)
                            {
                                ball.SetXVelocity(-ball.GetXVelocity());
                            }
                            else
                            {
                                ball.SetYVelocity(-ball.GetYVelocity());
                            }
                        }
                    }
                }
            }

            if (GetBrickCount() == 0)
            {
                timer.Stop();
                Cursor.Show();
                if (MessageBox.Show("Would you like to play again?", "Play Again?", MessageBoxButtons.YesNo,
                                    MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    ball.SetVisibility(false);   // turn off the current ball
                    paddle.SetVisibility(false); // turn off the paddle
                    InitialiseGameScreenForm();
                }
                else
                {
                    Application.Exit();
                }
            }
        }