private void HandleEnemies()
{
//create some random enemies
if (lastSatelliteSpawn + satelliteCreateDelay <= (float)time)
{
Enemy enemy = new Enemy(this, satelliteModel, satelliteTexture);
enemyList.Add(enemy);
lastSatelliteSpawn = (float)time;
if (satelliteCreateDelay > 0.4f)
{
satelliteCreateDelay -= 0.1f;
}
}
if (lastUfoSpawn + ufoCreateDelay <= (float)time)
{
Ufo ufo = new Ufo(this, ufoModel, ufoTexture);
ufoList.Add(ufo);
lastUfoSpawn = (float)time;
if (ufoCreateDelay > 0.4f)
{
ufoCreateDelay -= 0.1f;
}
}
//checksatellite updates
for (int e = 0; e < enemyList.Count; e++)
{
enemyList[e].Update();
enemyList[e].UpdateCollision(enemyList, e);
//check for death
if (enemyList[e].shouldDie)
{
particleEngine = new ParticleEngine(particleTextures, enemyList[e].position, this);
emitters.Add(particleEngine);
enemyList.RemoveAt(e);
e--;
enemiesKilled++;
}
}
//check for ufo updates
for (int u = 0; u < ufoList.Count; u++)
{
ufoList[u].Update();
ufoList[u].UpdateCollision(ufoList, u);
//check for death
if (ufoList[u].shouldDie)
{
particleEngine = new ParticleEngine(particleTextures, ufoList[u].position, this);
emitters.Add(particleEngine);
ufoList.RemoveAt(u);
u--;
enemiesKilled++;
}
}
}
public void Update()
{
if (spawnTime + 3 <= game.time)
{
shouldDie = true;
ParticleEngine particleEngine = new ParticleEngine(game.particleTextures, position, game);
game.emitters.Add(particleEngine);
}
position.Z = 0;
position -= flyDir * 2;
physicsBody = new BoundingBox(position - new Vector3(1, 1, 1), position + new Vector3(1, 1, 1));
}
public void Update()
{
//if close enough to player, then he probaply touches, so pickup
if ((game.player.position - position).Length() <= 5)
{
shouldDie = true;
game.player.health += 5;
//particle engine takes list of textures. need to do that even with one texture doh -.-
List <Texture2D> hearts = new List <Texture2D>();
hearts.Add(game.heartParticle);
ParticleEngine heartParticles = new ParticleEngine(hearts, position, game);
game.emitters.Add(heartParticles);
}
if (spawnTime + 10 < game.time)
{
shouldDie = true;
//particle engine takes list of textures. need to do that even with one texture doh -.-
List <Texture2D> hearts = new List <Texture2D>();
hearts.Add(game.heartParticle);
ParticleEngine heartParticles = new ParticleEngine(hearts, position, game);
game.emitters.Add(heartParticles);
}
}
//---------------------main game loop----------------------//
protected override void Update(GameTime gameTime)
{
//check if escape is pressed, then exit the game
if (Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
//Game1.time is counting elapsed time...
time += gameTime.ElapsedGameTime.TotalSeconds;
//err... handle touch input?
HandleInput();
//randomize background color
RandomBackground();
//if we are in menu
if (gameStage == 0)
{
score = 0;
combo = 0;
if (player.isPressed || mouseClicking)
{
gameStage = 1;
}
}
#region in-game
//this one is for in-game
else if (gameStage == 1)
{
//handle combo actions
if (lastHitCombo + 2 < time)
{
combo = 0;
}
//get screen width and height
SCREEN_HEIGHT = _viewport.Height;
SCREEN_WIDTH = _viewport.Width;
//update player
player.position.X -= joystick_right.dir.X * player.speed;
player.position.Y += joystick_right.dir.Y * player.speed;
//check for borders
Vector3 var1 = _viewport.Unproject(new Vector3(0, 0, 0), projection, view, world); //these two first are finding what cordinates in world space are current (0,0)
Vector3 var2 = _viewport.Unproject(new Vector3(0, 0, 100), projection, view, world); //meaning the left up corner
Vector3 var3 = _viewport.Unproject(new Vector3(SCREEN_WIDTH, SCREEN_HEIGHT, 0), projection, view, world); //and these two are doing the same for right down corner
Vector3 var4 = _viewport.Unproject(new Vector3(SCREEN_WIDTH, SCREEN_HEIGHT, 100), projection, view, world);
upLeft = 1000 * (var1 - var2); //create Vector3 for up_left corner
downRight = 1000 * (var3 - var4); //create Vector3 for down_right corner
//clamp player position within borders
player.position.X = MathHelper.Clamp(player.position.X, upLeft.X, downRight.X);
player.position.Y = MathHelper.Clamp(player.position.Y, downRight.Y, upLeft.Y);
HandleEnemies();
player.Update();//position is not done, update it...
if (emitters.Count > 0)
{
for (int emitter = 0; emitter < emitters.Count; emitter++)
{
emitters[emitter].Update();
if (emitters[emitter].shouldDie)
{
emitters.RemoveAt(emitter);
emitter--;
}
}
}
updateBullets();
if (heartList.Count > 0)
{
for (int heart = 0; heart < heartList.Count; heart++)
{
heartList[heart].Update();
if (heartList[heart].shouldDie)
{
heartList.RemoveAt(heart);
heart--;
pickup.Play(0.8f, 0, 0);
}
}
}
//game is over, do some shit and goto gameStage 2
if (player.health <= 0)
{
gameStage = 2;
timeWhenDied = (float)time;
}
}
#endregion
#region game-over
//this one is gameover screen
else if (gameStage == 2)
{
if (emitters.Count > 0)
{
for (int emitter = 0; emitter < emitters.Count; emitter++)
{
emitters[emitter].Update();
if (emitters[emitter].shouldDie)
{
emitters.RemoveAt(emitter);
emitter--;
}
}
}
//destory all existing hearts too
List <Texture2D> hearts = new List <Texture2D>();
hearts.Add(heartParticle);
for (int h = 0; h < heartList.Count; h++)
{
ParticleEngine heartParticles = new ParticleEngine(hearts, heartList[h].position, this);
emitters.Add(heartParticles);
heartList.RemoveAt(h);
h--;
}
//kill all satellites
for (int e = 0; e < enemyList.Count; e++)
{
particleEngine = new ParticleEngine(particleTextures, enemyList[e].position, this);
emitters.Add(particleEngine);
enemyList.RemoveAt(e);
e--;
enemiesKilled++;
}//kill all UFOs
for (int u = 0; u < ufoList.Count; u++)
{
particleEngine = new ParticleEngine(particleTextures, ufoList[u].position, this);
emitters.Add(particleEngine);
ufoList.RemoveAt(u);
u--;
enemiesKilled++;
}
if (timeWhenDied + 5 <= time)
{
gameStage = 0;
}
end.Play(0.1f, -.5f, -.5f);
player.health = 100;
satelliteCreateDelay = 4f;
ufoCreateDelay = 6f;
}
#endregion
base.Update(gameTime);
}
