public static void Play()
{
while (window.opened)
{
if (!player.IsAlive || EnemyMgr.AllGone || EnemyMgr.Landed)
{
return;
}
totalTime += GfxTools.Win.deltaTime;
GfxTools.Clean();
//Input
if (window.GetKey(KeyCode.Esc))
{
return;
}
player.Input();
//Update
EnemyMgr.Update();
player.Update();
//Draw
for (int i = 0; i < barriers.Length; i++)
{
barriers[i].Draw();
}
EnemyMgr.Draw();
player.Draw();
DrawGUI();
window.Blit();
}
}
static Game()
{
window = new Window(800, 600, "Space Invaders", PixelFormat.RGB);
gravity = 555.0f;
GfxTools.Init(window);
Vector2 playerPos;
playerPos.X = window.width / 2;
playerPos.Y = window.height - 30;
EnemyMgr.Init(24, 3);
player = new Player(playerPos, new Color(0, 0, 0));
heart = new Sprite("Assets/heart.png");
barriers = new Barrier[3];
for (int i = 0; i < barriers.Length; i++)
{
barriers[i] = new Barrier(window.width * (i + 1) / 4, (int)playerPos.Y - 80);
}
scoreSprite = new SpriteText(new Vector2(window.width / 4, 20), "000000");
}
public void Update()
{
float deltaX = speed * GfxTools.Win.deltaTime;
position.X += deltaX;
float maxX = position.X + width / 2;
float minX = position.X - width / 2;
if (maxX > GfxTools.Win.width - distToSide)
{
float overflowX = maxX - (GfxTools.Win.width - distToSide);
position.X -= overflowX;
deltaX -= overflowX;
}
else if (minX < distToSide)
{
float overflowX = minX - distToSide;
position.X -= overflowX;
deltaX -= overflowX;
}
//rectangles update
//baseRect.Translate(deltaX, 0);
//cannonRect.Translate(deltaX, 0);
sprite.Translate(deltaX, 0);
for (int i = 0; i < bullets.Length; i++)
{
if (bullets[i].IsAlive)
{
bullets[i].Update();
if (Game.BarriersCollides(bullets[i].Position, bullets[i].GetWidth() / 2))
{
bullets[i].IsAlive = false;
}
else if (EnemyMgr.CollideWithBullet(bullets[i]))
{
bullets[i].IsAlive = false;
}
}
}
}
public bool Update(ref float overflowX)
{
bool endReached = false;
if (IsAlive)
{
float deltaX = Velocity.X * GfxTools.Win.deltaTime;
float deltaY = Velocity.Y * GfxTools.Win.deltaTime;
Position.X += deltaX;
Position.Y += deltaY;
float maxX = Position.X + width / 2;
float minX = Position.X - width / 2;
if (maxX > GfxTools.Win.width - distToSide)
{
overflowX = maxX - (GfxTools.Win.width - distToSide);
//Position.X -= overflowX;
//deltaX -= overflowX;
//velocity.X = -velocity.X;
endReached = true;
}
else if (minX < distToSide)
{
overflowX = minX - distToSide;
//Position.X -= overflowX;
//deltaX -= overflowX;
//velocity.X = -velocity.X;
endReached = true;
}
//sprite.Translate(deltaX, deltaY);
TranslateSprite(new Vector2(deltaX, deltaY));
if (Position.Y + height / 2 >= Game.GetPlayer().GetPosition().Y)
{
EnemyMgr.Landed = true;
}
else if (CanShoot)
{
nextShoot -= GfxTools.Win.deltaTime;
if (nextShoot <= 0)
{
EnemyMgr.Shoot(this);
nextShoot = RandomGenerator.GetRandom(1, 15);
}
}
}
else if (IsVisible)//he's dead but visible
{
for (int i = 0; i < sprite.Length; i++)
{
if (sprite[i].IsVisibile)
{
sprite[i].Update();
if (sprite[i].IsVisibile == false)
{
visiblePixels--;
if (visiblePixels <= 0)
{
IsVisible = false;
EnemyMgr.OnAlienDisappears();
}
}
}
}
}
return(endReached);
}
