private void Movement(GameTime gameTime, ScreenPad screenPad)
{
if (screenPad.RightPressed == Controls.ButtonState.Pressed && direction != Direction.Left)
{
direction = Direction.Right;
}
if (screenPad.LeftPressed == Controls.ButtonState.Pressed && direction != Direction.Right)
{
direction = Direction.Left;
}
if (screenPad.DownPressed == Controls.ButtonState.Pressed && (direction != Direction.Up))
{
direction = Direction.Down;
}
if (screenPad.UpPressed == Controls.ButtonState.Pressed && (direction != Direction.Down))
{
direction = Direction.Up;
}
timeElapsed += gameTime.ElapsedGameTime.Milliseconds;
if(timeElapsed > millisecondsPerMove)
{
int i = snakeSectionArray.Length - 1;
timeElapsed = 0;
while( i > 0)
{
snakeSectionArray[i].Rectangle = snakeSectionArray[i - 1].Rectangle;
i--;
}
switch(direction)
{
case Direction.Left:
tempRectangle = snakeSectionArray[0].Rectangle;
tempRectangle.X -= snakeSectionArray[0].Texture.Width;
snakeSectionArray[0].Rectangle = tempRectangle;
break;
case Direction.Right:
tempRectangle = snakeSectionArray[0].Rectangle;
tempRectangle.X += snakeSectionArray[0].Texture.Width;
snakeSectionArray[0].Rectangle = tempRectangle;
break;
case Direction.Up:
tempRectangle = snakeSectionArray[0].Rectangle;
tempRectangle.Y -= snakeSectionArray[0].Texture.Height;
snakeSectionArray[0].Rectangle = tempRectangle;
break;
case Direction.Down:
tempRectangle = snakeSectionArray[0].Rectangle;
tempRectangle.Y += snakeSectionArray[0].Texture.Width;
snakeSectionArray[0].Rectangle = tempRectangle;
break;
}
}
}
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);
}
