private void CheckCollisionWithMushrooms(MushroomGrid mushroomGrid)
{
int[,] xy = new int[, ] {
{ -1, 0 }, { 0, -1 }, { 1, 0 }, { 0, 1 }
};
for (int i = 0; i < collisionRadar.Length; i++)
{
collisionRadar[i] = Vector2.Zero;
}
for (int i = 0; i < mushroomGrid.MushroomCount; i++)
{
Rectangle mushroom = mushroomGrid.Mushroom(i).Rectangle;
// unnecessary to check for mushroom collisions above PlayerClampHeight
if (mushroom.Bottom < GameConstants.PlayerClampHeight)
{
continue;
}
for (int j = 0; j < xy.GetLength(0); j++)
{
bool hasCollision = LineRectangle(
new Vector2(rectangle.Center.X, rectangle.Center.Y),
new Vector2(rectangle.Center.X + xy[j, 0] * collisionRadarDistance, rectangle.Center.Y + xy[j, 1] * collisionRadarDistance),
mushroom,
out Vector2 intersection, out Vector2 dummy);
if (hasCollision)
{
if (collisionRadar[j] == Vector2.Zero ||
Vector2.Distance(new Vector2(rectangle.Center.X, rectangle.Center.Y), intersection) <
Vector2.Distance(new Vector2(rectangle.Center.X, rectangle.Center.Y), collisionRadar[j]))
{
collisionRadar[j].X = intersection.X;
collisionRadar[j].Y = intersection.Y;
}
}
}
}
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// create a new SpriteBatch, which can be used to draw textures
spriteBatch = new SpriteBatch(GraphicsDevice);
// load sprites
pointSprite = Content.Load <Texture2D>(@"graphics\point");
bulletSprite = Content.Load <Texture2D>(@"graphics\bullet");
playerSprite = Content.Load <Texture2D>(@"graphics\player");
mushroomSprite = Content.Load <Texture2D>(@"graphics\mushroom");
scoreSprite = Content.Load <Texture2D>(@"graphics\score");
wurmHead = Content.Load <Texture2D>(@"graphics\head2");
// add initial game objects
player = new Player(spriteBatch, playerSprite, 24, 24,
new Vector2(GameConstants.WindowWidth / 2 - 12, GameConstants.WindowHeight - 12));
wurmheads.Add(new Wurmhead(spriteBatch, wurmHead, 24, 24, new Vector2(random.Next(0, 31) * 24, 24), random.Next(1, 8)));
mushroom = new Mushroom(spriteBatch, mushroomSprite, 24, 24, Vector2.Zero);
mushroomGrid = new MushroomGrid(spriteBatch, mushroom);
score = new Score(spriteBatch, scoreSprite, 21, 21, Vector2.Zero);
Mouse.SetPosition(player.Rectangle.Center.X, player.Rectangle.Center.Y);
}
public void Update(GameTime gameTime, MouseState mouseState, MushroomGrid mushroomGrid)
{
if (active)
{
float dx = mouseState.X - rectangle.Center.X;
float dy = mouseState.Y - rectangle.Center.Y;
//Console.WriteLine(mouseState.Position + ";" + dx + ";" + dy);
if (mouseState.LeftButton == ButtonState.Released)
{
canShoot = true;
}
if (mouseState.LeftButton == ButtonState.Pressed && canShoot)
{
canShoot = false;
Bullet bullet = new Bullet(spriteBatch, Game1.bulletSprite, 3, 15, new Vector2(rectangle.Center.X - 1, rectangle.Center.Y - 3));
Game1.AddBullet(bullet);
}
CheckCollisionWithMushrooms(mushroomGrid);
if (dx < 0 || dx > 0)
{
rectangle.X += (int)(dx * 0.3);
if (collisionRadar[LEFT] != Vector2.Zero && rectangle.X < collisionRadar[LEFT].X)
{
rectangle.X = (int)collisionRadar[LEFT].X;
}
if (collisionRadar[RIGHT] != Vector2.Zero && rectangle.Right > collisionRadar[RIGHT].X)
{
rectangle.X = (int)collisionRadar[RIGHT].X - rectangle.Width;
}
}
if (dy < 0 || dy > 0)
{
rectangle.Y += (int)(dy * 0.3);
if (collisionRadar[TOP] != Vector2.Zero && rectangle.Y < collisionRadar[TOP].Y)
{
rectangle.Y = (int)collisionRadar[TOP].Y;
}
if (collisionRadar[BOTTOM] != Vector2.Zero && rectangle.Bottom > collisionRadar[BOTTOM].Y)
{
rectangle.Y = (int)collisionRadar[BOTTOM].Y - rectangle.Height;
}
}
// clamp player in window
if (rectangle.Left < 0)
{
rectangle.X = 0;
}
if (rectangle.Right > GameConstants.WindowWidth)
{
rectangle.X = GameConstants.WindowWidth - rectangle.Width;
}
if (rectangle.Y < GameConstants.PlayerClampHeight)
{
rectangle.Y = GameConstants.PlayerClampHeight;
}
if (rectangle.Bottom > GameConstants.WindowHeight)
{
rectangle.Y = GameConstants.WindowHeight - rectangle.Height;
}
}
}