private void Collision(GameTime gameTime, GameArea gameArea, Apple apple, ScreenManager screenManager)
{
if(snakeSectionArray[0].Rectangle.X < gameArea.LeftBound
|| snakeSectionArray[0].Rectangle.Y < 0
|| snakeSectionArray[0].Rectangle.X + snakeSectionArray[0].Rectangle.Width> gameArea.RightBound
|| snakeSectionArray[0].Rectangle.Y + snakeSectionArray[0].Rectangle.Height > Global.GraphicsManager.PreferredBackBufferHeight)
{
GameOver(screenManager);
}
for (int i = 1; i < snakeSectionArray.Length; i++)
{
if(snakeSectionArray[0].Rectangle.Intersects(snakeSectionArray[i].Rectangle))
{
GameOver(screenManager);
}
}
if(snakeSectionArray[0].Rectangle.Intersects(apple.Rectangle))
{
score.IncreaseScore();
apple.IsAlive = false;
SnakeSection[] buffer = snakeSectionArray;
snakeSize++;
snakeSectionArray = new SnakeSection[snakeSize];
for (int i = 0; i < buffer.Length; i++)
{
snakeSectionArray[i] = buffer[i];
}
if(snakeSectionArray[snakeSectionArray.Length - 2].Rectangle.X - snakeSectionArray[snakeSectionArray.Length - 3].Rectangle.X == 0)
{
snakeSectionArray[snakeSectionArray.Length - 1] = new SnakeSection(pathToTexture, new Rectangle(snakeSectionArray[snakeSectionArray.Length - 2].Rectangle.X,
snakeSectionArray[snakeSectionArray.Length - 2].Rectangle.Y + Texture.Height, Texture.Width, Texture.Height));
}
else if (snakeSectionArray[snakeSectionArray.Length - 2].Rectangle.Y - snakeSectionArray[snakeSectionArray.Length - 3].Rectangle.Y == 0)
{
snakeSectionArray[snakeSectionArray.Length - 1] = new SnakeSection(pathToTexture, new Rectangle(snakeSectionArray[snakeSectionArray.Length - 2].Rectangle.X,
snakeSectionArray[snakeSectionArray.Length - 2].Rectangle.Y + Texture.Height, Texture.Width, Texture.Height));
}
}
}
public void Update(GameTime gameTime, ScreenPad screenPad, GameArea gameArea, Apple apple, ScreenManager screenManager)
{
Movement(gameTime, screenPad);
Collision(gameTime, gameArea, apple, screenManager);
}
private void LoadContent()
{
gameArea = new GameArea();
if (Global.TextureWidth == 20)
{
snake = new Snake("Snake/SmallSize/middle");
apple = new Apple("Snake/SmallSize/apple");
}
else
{
snake = new Snake("Snake/MediumSize/middle");
apple = new Apple("Snake/MediumSize/apple");
}
screenPad = new ScreenPad(Global.Content.Load<Texture2D>("Controls/upButton"),
Global.Content.Load<Texture2D>("Controls/downButton"),
Global.Content.Load<Texture2D>("Controls/leftButton"),
Global.Content.Load<Texture2D>("Controls/rightButton"), false);
}