private void setupPaddle()
{
paddle = new ImageSprite(imageURL: "ms-appx:///Images/paddle.png");
SnapsEngine.AddSpriteToGame(paddle);
paddleWidth = SnapsEngine.GameViewportWidth / 10.0;
paddle.ScaleSpriteWidth(paddleWidth);
}
public void StartProgram()
{
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
ImageSprite scaledCity = new ImageSprite(imageURL: "ms-appx:///Images/city.jpg");
SnapsEngine.AddSpriteToGame(scaledCity);
float maxWidth = 500;
float minWidth = 100;
float currentWidth = 100;
float widthUpdate = 1;
while (true)
{
currentWidth = currentWidth + widthUpdate;
if (currentWidth > maxWidth)
{
widthUpdate = -1;
}
if (currentWidth < minWidth)
{
widthUpdate = 1;
}
scaledCity.ScaleSpriteWidth(currentWidth);
SnapsEngine.DrawGamePage();
}
}
public void StartProgram()
{
SnapsEngine.SetBackgroundColor(SnapsColor.Black);
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
List <MovingSprite> sprites = new List <MovingSprite>();
for (int i = 0; i < 100; i++)
{
ImageSprite starImage = new ImageSprite(imageURL: "ms-appx:///Images/star.png");
SnapsEngine.AddSpriteToGame(starImage);
starImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 75);
FallingSprite star = new FallingSprite(sprite: starImage,
ySpeed: 15);
sprites.Add(star);
}
while (true)
{
foreach (MovingSprite sprite in sprites)
{
sprite.Update();
}
SnapsEngine.DrawGamePage();
}
}
private void setupBall()
{
ball = new ImageSprite(imageURL: "ms-appx:///Images/ball.png");
SnapsEngine.AddSpriteToGame(ball);
ballWidth = SnapsEngine.GameViewportWidth / 20.0;
ball.ScaleSpriteWidth(ballWidth);
}
public void StartProgram()
{
SnapsEngine.SetBackgroundColor(SnapsColor.Black);
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
List <MovingSprite> sprites = new List <MovingSprite>();
for (int i = 0; i < 100; i++)
{
ImageSprite starImage = new ImageSprite(imageURL: "ms-appx:///Images/star.png");
SnapsEngine.AddSpriteToGame(starImage);
starImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 75);
FallingSprite star = new FallingSprite(sprite: starImage,
ySpeed: 15);
sprites.Add(star);
}
ImageSprite rocketImage = new ImageSprite(imageURL: "ms-appx:///Images/SpaceRocket.png");
SnapsEngine.AddSpriteToGame(rocketImage);
rocketImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 15);
rocketImage.CenterX = SnapsEngine.GameViewportWidth / 2.0;
rocketImage.CenterY = SnapsEngine.GameViewportHeight / 2.0;
RocketSprite rocket = new RocketSprite(sprite: rocketImage, xSpeed: 10, ySpeed: 10);
sprites.Add(rocket);
ImageSprite chasingAlienImage = new ImageSprite(imageURL: "ms-appx:///Images/purpleAlien.png");
SnapsEngine.AddSpriteToGame(chasingAlienImage);
chasingAlienImage.Top = 10;
chasingAlienImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 20);
chasingAlienImage.CenterX = SnapsEngine.GameViewportWidth / 2.0;
chasingAlienImage.Top = 0;
ChasingAlien chaser = new ChasingAlien(sprite: chasingAlienImage, target: rocket, xAcceleration: .3, yAcceleration: .3, friction: 0.99);
sprites.Add(chaser);
while (true)
{
foreach (MovingSprite sprite in sprites)
{
sprite.Update();
}
SnapsEngine.DrawGamePage();
}
}
public void StartProgram()
{
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
ImageSprite scaledBall = new ImageSprite(imageURL: "ms-appx:///Images/ball.png");
SnapsEngine.AddSpriteToGame(scaledBall);
double ballWidth = SnapsEngine.GameViewportWidth / 20.0;
scaledBall.ScaleSpriteWidth(ballWidth);
while (true)
{
SnapsEngine.DrawGamePage();
}
}
public void StartProgram()
{
SnapsEngine.SetBackgroundColor(SnapsColor.Black);
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
ImageSprite starImage = new ImageSprite(imageURL: "ms-appx:///Images/star.png");
SnapsEngine.AddSpriteToGame(starImage);
starImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 50);
FallingSprite star = new FallingSprite(sprite: starImage, ySpeed: 1);
while (true)
{
star.Update();
SnapsEngine.DrawGamePage();
}
}
public void StartProgram()
{
SnapsEngine.SetBackgroundColor(SnapsColor.Black);
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
List <MovingSprite> sprites = new List <MovingSprite>();
List <AlienSprite> aliens = new List <AlienSprite>();
for (int i = 0; i < 100; i++)
{
ImageSprite starImage = new ImageSprite(imageURL: "ms-appx:///Images/star.png");
SnapsEngine.AddSpriteToGame(starImage);
starImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 75);
FallingSprite star = new FallingSprite(sprite: starImage,
xSpeed: 0, ySpeed: 15,
viewportWidth: SnapsEngine.GameViewportWidth,
viewportHeight: SnapsEngine.GameViewportHeight);
sprites.Add(star);
}
ImageSprite rocketImage = new ImageSprite(imageURL: "ms-appx:///Images/SpaceRocket.png");
SnapsEngine.AddSpriteToGame(rocketImage);
rocketImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 15);
rocketImage.CenterX = SnapsEngine.GameViewportWidth / 2.0;
rocketImage.CenterY = SnapsEngine.GameViewportHeight / 2.0;
RocketSprite rocket = new RocketSprite(sprite: rocketImage, xSpeed: 10, ySpeed: 10);
sprites.Add(rocket);
ImageSprite chasingAlienImage = new ImageSprite(imageURL: "ms-appx:///Images/purpleAlien.png");
SnapsEngine.AddSpriteToGame(chasingAlienImage);
chasingAlienImage.Top = 10;
chasingAlienImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 20);
chasingAlienImage.CenterX = SnapsEngine.GameViewportWidth / 2.0;
chasingAlienImage.Top = 0;
ChasingAlien chaser = new ChasingAlien(sprite: chasingAlienImage, target: rocket, xAcceleration: .3, yAcceleration: .3, friction: 0.99);
sprites.Add(chaser);
aliens.Add(chaser);
int noOfAliens = 10;
double alienWidth = SnapsEngine.GameViewportWidth / (noOfAliens * 2);
double alienSpacing = (SnapsEngine.GameViewportWidth - alienWidth) / noOfAliens;
double alienX = 0;
double alienY = 100;
for (int i = 0; i < noOfAliens; i = i + 1)
{
ImageSprite alienImage = new ImageSprite(imageURL: "ms-appx:///Images/greenAlien.png");
SnapsEngine.AddSpriteToGame(alienImage);
alienImage.ScaleSpriteWidth(alienWidth);
alienImage.CenterX = alienX;
alienImage.Top = alienY;
double xMin = alienX;
double xMax = alienX + alienSpacing;
LineAlien alien = new LineAlien(sprite: alienImage, xSpeed: 2, ySpeed: 0, target: rocket, xMax: xMax, xMin: xMin);
sprites.Add(alien);
aliens.Add(alien);
alienX = alienX + alienSpacing;
}
ImageSprite missileImage = new ImageSprite(imageURL: "ms-appx:///Images/Missile.png");
missileImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 200);
SnapsEngine.AddSpriteToGame(missileImage);
MissileSprite missile = new MissileSprite(sprite: missileImage, rocket: rocket, xSpeed: 0, ySpeed: -15, aliens: aliens);
sprites.Add(missile);
rocket.Missiles.Add(missile);
while (true)
{
foreach (MovingSprite sprite in sprites)
{
sprite.Update();
}
SnapsEngine.DrawGamePage();
}
}
public void StartProgram()
{
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
ImageSprite ball = new ImageSprite(imageURL: "ms-appx:///Images/ball.png");
SnapsEngine.AddSpriteToGame(ball);
double ballWidth = SnapsEngine.GameViewportWidth / 20.0;
ball.ScaleSpriteWidth(ballWidth);
double XBallSpeed = 10;
double YBallSpeed = 10;
ImageSprite paddle = new ImageSprite(imageURL: "ms-appx:///Images/paddle.png");
SnapsEngine.AddSpriteToGame(paddle);
double paddleWidth = SnapsEngine.GameViewportWidth / 10.0;
paddle.ScaleSpriteWidth(paddleWidth);
paddle.Bottom = SnapsEngine.GameViewportHeight - 10;
paddle.CenterX = SnapsEngine.GameViewportWidth / 2;
double XPaddleSpeed = 15;
while (true)
{
// update the ball position according to the speed
ball.X = ball.X + XBallSpeed;
ball.Y = ball.Y + YBallSpeed;
if (ball.Left < 0)
{
// ball is going off the left hand edge
if (XBallSpeed < 0)
{
// ball is moving to the left
// because the speed is negative
// make it "bounce" back into the viewport
// make the speed positive
XBallSpeed = -XBallSpeed;
}
}
if (ball.Right > SnapsEngine.GameViewportWidth)
{
// ball is going off the right hand edge
if (XBallSpeed > 0)
{
// ball is moving to the right
// because the speed is positive
// make it "bounce" back into the viewport
// make the speed negative
XBallSpeed = -XBallSpeed;
}
}
if (ball.Bottom > SnapsEngine.GameViewportHeight)
{
// ball is going off the bottom edge
if (YBallSpeed > 0)
{
// ball is moving down the screen
// because the speed is positive
// make it bounce back into the viewport
// make the speed negative
YBallSpeed = -YBallSpeed;
}
}
if (ball.Top < 0)
{
// ball is going off the top edge
if (YBallSpeed < 0)
{
// ball is up down the screen
// because the speed is negative
// make it bounce back into the viewport
// make the speed positive
YBallSpeed = -YBallSpeed;
}
}
// Now update the gamepad
if (SnapsEngine.GetRightGamepad())
{
paddle.X = paddle.X + XPaddleSpeed;
}
if (SnapsEngine.GetLeftGamepad())
{
paddle.X = paddle.X - XPaddleSpeed;
}
if (paddle.Left < 0)
{
// Trying to move off the left edge - pull the pad back
paddle.Left = 0;
}
if (paddle.Right > SnapsEngine.GameViewportWidth)
{
// Trying to move off the right edge - pull the pad back
paddle.Right = SnapsEngine.GameViewportWidth;
}
// Handle collisions with the ball
if (paddle.IntersectsWith(ball))
{
if (YBallSpeed > 0)
{
// ball is going down, make it bounce off the bat
// and go up
YBallSpeed = -YBallSpeed;
}
}
SnapsEngine.DrawGamePage();
}
}
public void StartProgram()
{
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
ISnapsSprite ball = new ImageSprite(imageURL: "ms-appx:///Images/ball.png");
SnapsEngine.AddSpriteToGame(ball);
double ballWidth = SnapsEngine.GameViewportWidth / 20.0;
ball.ScaleSpriteWidth(ballWidth);
double XBallSpeed = 10;
double YBallSpeed = 10;
while (true)
{
// update the ball position according to the speed
ball.X = ball.X + XBallSpeed;
ball.Y = ball.Y + YBallSpeed;
if (ball.Left < 0)
{
// ball is going off the left hand edge
if (XBallSpeed < 0)
{
// ball is moving to the left
// because the speed is negative
// make it "bounce" back into the viewport
// make the speed positive
XBallSpeed = -XBallSpeed;
}
}
if (ball.Right > SnapsEngine.GameViewportWidth)
{
// ball is going off the right hand edge
if (XBallSpeed > 0)
{
// ball is moving to the right
// because the speed is positive
// make it "bounce" back into the viewport
// make the speed negative
XBallSpeed = -XBallSpeed;
}
}
if (ball.Bottom > SnapsEngine.GameViewportHeight)
{
// ball is going off the bottom edge
if (YBallSpeed > 0)
{
// ball is moving down the screen
// because the speed is positive
// make it bounce back into the viewport
// make the speed negative
YBallSpeed = -YBallSpeed;
}
}
if (ball.Top < 0)
{
// ball is going off the top edge
if (YBallSpeed < 0)
{
// ball is up down the screen
// because the speed is negative
// make it bounce back into the viewport
// make the speed positive
YBallSpeed = -YBallSpeed;
}
}
// draw the game page
SnapsEngine.DrawGamePage();
}
}
void setupGame()
{
SnapsEngine.SetBackgroundColor(SnapsColor.Black);
SnapsEngine.StartGameEngine(fullScreen: false, framesPerSecond: 60);
for (int i = 0; i < 100; i++)
{
ImageSprite starImage = new ImageSprite(imageURL: "ms-appx:///Images/star.png");
SnapsEngine.AddSpriteToGame(starImage);
starImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 75);
FallingSprite star = new FallingSprite(sprite: starImage,
xSpeed: 0, ySpeed: 15,
viewportWidth: SnapsEngine.GameViewportWidth,
viewportHeight: SnapsEngine.GameViewportHeight);
sprites.Add(star);
}
ImageSprite rocketImage = new ImageSprite(imageURL: "ms-appx:///Images/SpaceRocket.png");
SnapsEngine.AddSpriteToGame(rocketImage);
rocketImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 15);
rocketImage.CenterX = SnapsEngine.GameViewportWidth / 2.0;
rocketImage.CenterY = SnapsEngine.GameViewportHeight / 2.0;
rocket = new RocketSprite(sprite: rocketImage, game: this, xSpeed: 10, ySpeed: 10);
sprites.Add(rocket);
ImageSprite chasingAlienImage = new ImageSprite(imageURL: "ms-appx:///Images/purpleAlien.png");
SnapsEngine.AddSpriteToGame(chasingAlienImage);
chasingAlienImage.Top = 10;
chasingAlienImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 20);
chasingAlienImage.CenterX = SnapsEngine.GameViewportWidth / 2.0;
chasingAlienImage.Top = 0;
chaser = new ChasingAlien(sprite: chasingAlienImage, game: this, target: rocket, xAcceleration: .3, yAcceleration: .3, friction: 0.99);
sprites.Add(chaser);
aliens.Add(chaser);
int noOfAliens = 10;
double alienWidth = SnapsEngine.GameViewportWidth / (noOfAliens * 2);
double alienSpacing = (SnapsEngine.GameViewportWidth - alienWidth) / noOfAliens;
double alienX = 0;
double alienY = 100;
for (int i = 0; i < noOfAliens; i = i + 1)
{
ImageSprite alienImage = new ImageSprite(imageURL: "ms-appx:///Images/greenAlien.png");
SnapsEngine.AddSpriteToGame(alienImage);
alienImage.ScaleSpriteWidth(alienWidth);
alienImage.CenterX = alienX;
alienImage.Top = alienY;
double xMin = alienX;
double xMax = alienX + alienSpacing;
LineAlien alien = new LineAlien(sprite: alienImage, game: this, xSpeed: 2, ySpeed: 0, target: rocket, xMax: xMax, xMin: xMin);
sprites.Add(alien);
aliens.Add(alien);
alienX = alienX + alienSpacing;
}
ImageSprite missileImage = new ImageSprite(imageURL: "ms-appx:///Images/Missile.png");
missileImage.ScaleSpriteWidth(SnapsEngine.GameViewportWidth / 200);
SnapsEngine.AddSpriteToGame(missileImage);
MissileSprite missile = new MissileSprite(sprite: missileImage, rocket: rocket, xSpeed: 0, ySpeed: -15, aliens: aliens);
sprites.Add(missile);
rocket.Missiles.Add(missile);
gameOverScreen = new ImageSprite(imageURL: "ms-appx:///Images/SpaceRocketsInSpaceGameOverScreen.png");
gameOverScreen.Hide();
SnapsEngine.AddSpriteToGame(gameOverScreen);
gameOverScreen.Width = SnapsEngine.GameViewportWidth;
gameOverScreen.Height = SnapsEngine.GameViewportHeight;
messageBack = new TextBlockSprite(text: "", fontSize: 60,
fontFamily: "Impact", color: SnapsColor.Black);
SnapsEngine.AddSpriteToGame(messageBack);
message = new TextBlockSprite(text: "", fontSize: 60,
fontFamily: "Impact", color: SnapsColor.Red);
SnapsEngine.AddSpriteToGame(message);
titleScreen = new ImageSprite(imageURL: "ms-appx:///Images/SpaceRocketsInSpaceTitleScreen.png");
titleScreen.Hide();
SnapsEngine.AddSpriteToGame(titleScreen);
titleScreen.Width = SnapsEngine.GameViewportWidth;
titleScreen.Height = SnapsEngine.GameViewportHeight;
}
