public override void gameLogic()
{
if (gameOver == false)
{
//time tracker
timeElapsed = this.getElapsedTime();
timer.changeText(Convert.ToString(timeElapsed) + " seconds");
}
//accelerate the car
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Up) == true)
{
line1.applyForce(0, 25);
line2.applyForce(0, 25);
line3.applyForce(0, 25);
line4.applyForce(0, 25);
kid1.applyForce(0, 25);
kid2.applyForce(0, 25);
flag.applyForce(0, 25);
}
//reposition lines when they get off screen
if (line1.getY() > 440)
{
line1.setPosition(145, -40);
}
else if (line2.getY() > 440)
{
line2.setPosition(145, -40);
}
else if (line3.getY() > 440)
{
line3.setPosition(145, -40);
}
else if (line4.getY() > 440)
{
line4.setPosition(145, -40);
}
if (kid1.getY() > 415)
{
kid1.setPosition(rX.Next(100, 200), rY.Next(-200, -100));
}
if (kid2.getY() > 415)
{
kid2.setPosition(rX.Next(100, 200), rY.Next(-200, -100));
}
//apply brakes
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Down) == true && line1.getVelocityDY() > 0)
{
line1.applyForce(0, -100);
line2.applyForce(0, -100);
line3.applyForce(0, -100);
line4.applyForce(0, -100);
}
//move car left and right
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Left) == true)
{
car.setVelocity(-55, 0);
}
else if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Right) == true)
{
car.setVelocity(55, 0);
}
else
{
car.setVelocity(0, 0);
}
//finish line
if (car.getY() < flag.getY())
{
finalStatus.changeText("Race Completed in " + Convert.ToString(timeElapsed) + " seconds");
gameOver = true;
}
//hitting pedestrians
if (car.physicsCollide(kid1))
{
finalStatus.changeText("GAME OVER-Pedestrian Squashed!!!");
}
}
public override void gameLogic()
{
//control left shell
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.W) && Math.Round(leftShell.getVelocityDY()) == 0)
{
leftShell.setVelocity(leftShell.getVelocityDX(), -191f);
}
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.A))
{
leftShell.setVelocity(-55, leftShell.getVelocityDY());
}
else if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.D))
{
leftShell.setVelocity(55, leftShell.getVelocityDY());
}
else
{
leftShell.setVelocity(0, leftShell.getVelocityDY());
}
//control right shell
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Up) && Math.Round(rightShell.getVelocityDY()) == 0)
{
rightShell.setVelocity(rightShell.getVelocityDX(), -191f);
}
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Left))
{
rightShell.setVelocity(-55, rightShell.getVelocityDY());
}
else if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Right))
{
rightShell.setVelocity(55, rightShell.getVelocityDY());
}
else
{
rightShell.setVelocity(0, rightShell.getVelocityDY());
}
//check ball state
if (ball.physicsCollide(sand) && ball.getX() < 200)
{
//update score
rightPoints++;
//change score text to reflect this
rightScore.changeText(Convert.ToString(rightPoints));
//put ball above winner
ball.setPosition(340, 100);
//put both shells back at their start position
rightShell.setPosition(340, 340);
leftShell.setPosition(40, 340);
//set ball's velocity to 0 so that it just falls down
ball.setVelocity(0, 0);
}
if (ball.physicsCollide(sand) && ball.getX() > 200)
{
leftPoints++;
leftScore.changeText(Convert.ToString(leftPoints));
ball.setPosition(60, 100);
rightShell.setPosition(340, 340);
leftShell.setPosition(40, 340);
ball.setVelocity(0, 0);
}
}
public override void gameLogic()
{
//ball bounces off walls and paddles
if (ball.getX() > 390)
{
ball.setVelocity(-ball.getVelocityDX(), ball.getVelocityDY());
//update score
playerPoints++;
//reassign text in playersScore text object to reflect this change
playerScore.changeText(Convert.ToString(playerPoints));
}
if (ball.getX() < 0)
{
ball.setVelocity(-ball.getVelocityDX(), ball.getVelocityDY());
//update score
computerPoints++;
//reassign text in computerScore text object to reflect this change
computerScore.changeText(Convert.ToString(computerPoints));
}
if (ball.getY() > 390)
{
ball.setVelocity(ball.getVelocityDX(), -ball.getVelocityDY());
}
if (ball.getY() < 0)
{
ball.setVelocity(ball.getVelocityDX(), -ball.getVelocityDY());
}
if (ball.pixelCollidesWith(leftPaddle))
{
ball.setVelocity(-ball.getVelocityDX(), ball.getVelocityDY());
}
//left player moves using Q and A
if (ball.pixelCollidesWith(rightPaddle))
{
ball.setVelocity(-ball.getVelocityDX(), ball.getVelocityDY());
}
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Q))
{
leftPaddle.setVelocity(0, -100);
}
else if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.A))
{
leftPaddle.setVelocity(0, 100);
}
else
{
leftPaddle.setVelocity(0, 0);
}
//autonomouse computer paddle on right
paddleM = rightPaddle.getY() + rightPaddle.getHeight() / 2;
if (ball.getY() < paddleM && ball.getX() > 150)
{
rightPaddle.setVelocity(0, -170);
}
else if (ball.getY() > paddleM && ball.getX() > 150)
{
rightPaddle.setVelocity(0, 170);
}
else
{
rightPaddle.setVelocity(0, 0);
}
}
public override void gameLogic()
{
if (stage == 0)
{
state.changeText("C-Create Session");
state1.changeText("J-Join Session");
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.C))
{
this.net.CreateSession();
//this.net.SignInGamer();
}
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.J))
{
//this.net.SignInGamer();
this.net.FindSession();
}
netState.changeText(this.net.Message);
if (this.net.netState == 1)
{//a state of means the player has joined is in play mode
stage = 3;
}
}
else if (stage == 3)//game stage
{
state.changeText(net.Message);
//control left shell
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.W) && Math.Round(leftShell.getVelocityDY()) == 0)
{
leftShell.setVelocity(leftShell.getVelocityDX(), -191f);
}
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.A))
{
leftShell.setVelocity(-55, leftShell.getVelocityDY());
}
else if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.D))
{
leftShell.setVelocity(55, leftShell.getVelocityDY());
}
else
{
leftShell.setVelocity(0, leftShell.getVelocityDY());
}
//control right shell
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Up) && Math.Round(rightShell.getVelocityDY()) == 0)
{
rightShell.setVelocity(rightShell.getVelocityDX(), -191f);
}
if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Left))
{
rightShell.setVelocity(-55, rightShell.getVelocityDY());
}
else if (this.isKeyPressed(Microsoft.Xna.Framework.Input.Keys.Right))
{
rightShell.setVelocity(55, rightShell.getVelocityDY());
}
else
{
rightShell.setVelocity(0, rightShell.getVelocityDY());
}
//check ball state
if (ball.physicsCollide(sand) && ball.getX() < 200)
{
//update score
rightPoints++;
//change score text to reflect this
rightScore.changeText(Convert.ToString(rightPoints));
//put ball above winner
ball.setPosition(340, 100);
//put both shells back at their start position
rightShell.setPosition(340, 340);
leftShell.setPosition(40, 340);
//set ball's velocity to 0 so that it just falls down
ball.setVelocity(0, 0);
}
if (ball.physicsCollide(sand) && ball.getX() > 200)
{
leftPoints++;
leftScore.changeText(Convert.ToString(leftPoints));
ball.setPosition(60, 100);
rightShell.setPosition(340, 340);
leftShell.setPosition(40, 340);
ball.setVelocity(0, 0);
}
//end of stage 3
}
}