protected override void Initialize()
{
//Init the background grid
backgroundGrid = new Grid(this, "backgroundFile.txt");
//Init the background brick texture
bgBrick = Content.Load<Texture2D>(@"Textures/GreyBlock");
//Init the snake
snake = new Snake(this, backgroundGrid);
//Init the snake texture
snakeTexture = Content.Load<Texture2D>(@"Textures/RedBlock");
base.Initialize();
}
//Constructor
public Snake(Game1 game, Grid grid)
{
//Get the game
this.game = game;
//Get the current grid
this.grid = grid;
//Set the starting direction
direction = 'R';
//Init the body size
bodyRow = new int[grid.numCellsHigh * grid.numCellsLong];
bodyCol = new int[grid.numCellsHigh * grid.numCellsLong];
//Init the snake size
snakeLength = 6;
curLength = 1;
for (int i = 0; i < bodyRow.Length; i++)
{
bodyRow[i] = 0;
bodyCol[i] = 0;
}
//Find the body
for (int i = 0; i < grid.numCellsHigh; i++)
{
for (int j = 0; j < grid.numCellsLong; j++)
{
if (grid.charGrid[i, j] == 's')
{
bodyRow[0] = i;
bodyCol[0] = j;
startRow = i;
startCol = j;
}
}
}
//Init the speed and timer
speed = 5;
currentTick = 0;
//Init the state of the game
lost = false;
//Init the powerup
EnablePowerups();
powerUpEnabled = true;
}
//this is called every frame, it checks the grid (bricks in this game)
public void Update(Grid grid)
{
bool coll = false;
ball.X += (int)ballVelocity.X;
if (grid.hasCollided(ball) == true) // Check if collided with left or right of brick
{
ballVelocity.X *= -1;
coll = true;
}
ball.Y += (int)ballVelocity.Y;
if (grid.hasCollided(ball) == true && coll == false) // Check if collided with top or bottom of brick
{
ballVelocity.Y *= -1;
}
}