public void Update(GameTime gameTime, Player player)
{
if (player.Lives > 0)
{
for (int i = powerUps.Count - 1; i >= 0; i--)
{
if (!powerUps[i].Collided)
{
if (powerUps[i].Bounds.Intersects(player.Bounds))
{
if (!IntersectPixels(powerUps[i].Transformation, powerUps[i].spriteImage.Width, powerUps[i].spriteImage.Height, powerUps[i].TextureData,
player.Transformation, player.spriteImage.Width, player.spriteImage.Height, player.TextureData))
{
switch (powerUps[i].Type)
{
case PowerUpType.LIFE_UP:
if (player.Lives < 8)
player.Lives++;
break;
case PowerUpType.WEAPON_UPGRADE:
if (player.WeaponLevel < 3)
player.WeaponLevel++;
break;
case PowerUpType.WEAPON_SPEED:
break;
}
SoundManager.soundEffects["powerup"].Play();
powerUps[i].Collided = true;
}
}
powerUps[i].Update(gameTime);
}
if (powerUps[i].Collided)
powerUps.Remove(powerUps[i]);
}
}
}
public void Update(GameTime gameTime, Player player)
{
float dt = (float)gameTime.ElapsedGameTime.TotalSeconds;
if (collided || health == 0)
{
ParticleManager.particleEffects["SMALL_EXPLOSION"].Trigger(position);
if (type != EnemyType.SMALL_SPINNER)
SoundManager.soundEffects["explosion"].Play();
int randn = Manager.rand.Next(0,100);
if (randn <= 5 && type != EnemyType.SMALL_SPINNER)
{
int powerUpTypeChance = Manager.rand.Next(0, 10);
if (powerUpTypeChance >= 0 && powerUpTypeChance <= 6)
PowerUpManager.PowerUps.Add(new PowerUp(PowerUpType.LIFE_UP, position));
else if (powerUpTypeChance > 6 && powerUpTypeChance <= 10)
PowerUpManager.PowerUps.Add(new PowerUp(PowerUpType.WEAPON_UPGRADE, position));
//else
// PowerUpManager.PowerUps.Add(new PowerUp(PowerUpType.WEAPON_SPEED, position));
}
}
if (type == EnemyType.ALIEN) // Follow + Shoot at player
{
fireTime += dt;
float distanceFromPlayer = Vector2.Distance(position, player.Position);
// Only follow player if the enemy is close enough to the player, else wander around the map
if (distanceFromPlayer < 200.0F)
{
Vector2 direction = player.Position - position;
direction.Normalize();
velocity = direction * speed;
angle = (float)(Math.Atan2(direction.Y, direction.X));
if (fireTime > FIRE_DELAY)
{
eBullets.Add(new Projectile(ProjectileType.NORMAL_BULLET, player.projectileTextures["NORMAL_BULLET"], position, direction * -1, angle));
fireTime = 0;
}
}
// Wander
else
{
Vector2 dir = player.Position;
Wander(position, ref dir, ref angle, 15.0F);
velocity += new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle)) * (1.2F);
}
foreach (Projectile eBullet in eBullets)
{
eBullet.Update(gameTime);
}
}
// Armored type enemies evade the player when too close
else if (type == EnemyType.ARMORED)
{
float distanceFromPlayer = Vector2.Distance(position, player.Position);
if (distanceFromPlayer < 200F)
{
Vector2 seekPosition = 2 * position - player.Position;
angle = TurnToFace(position, seekPosition,
angle, 44.0F);
if (velocity.X < maxVelocity && velocity.Y < maxVelocity)
velocity += new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle)) * 1.2F;
}
else
{
Vector2 dir = player.Position;
Wander(position, ref dir, ref angle, 15.0F);
velocity += new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle)) * (1.2F);
}
}
else
{
angle += rotation;
}
base.Update(gameTime);
if (type == EnemyType.SMALL_SPINNER || type == EnemyType.LARGE_SPINNER)
{
}
else
ReflectOffViewport(50);
}
public void Update(GameTime gameTime, Player player)
{
float elapsedTime = (float) gameTime.ElapsedGameTime.TotalSeconds;
if (player.Lives > 0) // Keep spawning enemies until player runs out of lives
{
delayTimer = delayTimer.Subtract(gameTime.ElapsedGameTime);
// Spawn enemies
if (delayTimer.TotalSeconds <= 0)
{
for (int i = 0; i < rand.Next(1, 2); i++)
{
spawnChance = rand.Next(100);
if (spawnChance <= largeAsteroidChance)
{
SpawnRandomAsteroid(EnemyType.LARGE_ASTEROID);
}
else if (spawnChance >= mediumAsteroidChance && spawnChance < smallAsteroidChance)
{
SpawnRandomAsteroid(EnemyType.MEDIUM_ASTEROID);
}
else if (spawnChance >= smallAsteroidChance)
{
SpawnRandomAsteroid(EnemyType.SMALL_ASTEROID);
}
}
if (player.Score > 5000)
{
if (spawnChance < 10)
{
SpawnSpinnerGroup(0);
}
spawnDelay = 1.1F;
}
if (player.Score > 8000)
{
if (spawnChance < 15)
{
for (int i = 0; i < rand.Next(1, 3); i++)
SpawnAlien();
}
if (rand.Next(0, 50) < 10)
{
for (int i = 0; i < rand.Next(1, 2); i++)
{
Enemy armored = new Enemy(EnemyType.ARMORED, enemyTextures["ARMORED"], EnemyColor.NONE);
armored.Position = new Vector2(rand.Next(100, ActionScreen.background.Width), rand.Next(100, ActionScreen.background.Height));
enemies.Add(armored);
}
}
spawnDelay = 1F;
}
if (player.Score > 15000)
{
spawnDelay = .9F;
}
delayTimer = TimeSpan.FromSeconds(spawnDelay);
}
player.Collided = false;
// Update all enemies in the enemies list
for (int i = enemies.Count - 1; i >= 0; i--)
{
// Only update enemies that have not collided yet (Enemies that are not dead)
if (!enemies[i].Collided)
{
if (enemies[i].Type == EnemyType.SMALL_SPINNER || enemies[i].Type == EnemyType.LARGE_SPINNER)
{
if (enemies[i].OutOfViewPort(ActionScreen.background))
{
enemies[i].Collided = true;
}
}
// Collision detection for enemies and player
if (enemies[i].Bounds.Intersects(player.Bounds))
{
// Per pixel collision detection
if (!IntersectPixels(enemies[i].Transformation, enemies[i].spriteImage.Width, enemies[i].spriteImage.Height, enemies[i].TextureData,
player.Transformation, player.spriteImage.Width, player.spriteImage.Height, player.TextureData))
{
enemies[i].Collided = true;
player.Collided = true;
player.Lives -= 1;
if (player.WeaponLevel > 1)
player.WeaponLevel -= 1;
}
}
// Collision detection for enemies and bullets
for (int j = player.Bullets.Count - 1; j >= 0; j--)
{
if (!player.Bullets[j].Collided)
{
if (enemies[i].Bounds.Intersects(player.Bullets[j].Bounds))
{
if (!IntersectPixels(enemies[i].Transformation, enemies[i].spriteImage.Width, enemies[i].spriteImage.Height, enemies[i].TextureData,
player.Bullets[j].Transformation, player.Bullets[j].spriteImage.Width, player.Bullets[j].spriteImage.Height, player.Bullets[j].TextureData))
{
enemies[i].Health -= player.Bullets[j].Damage;
if (enemies[i].Health <= 0)
{
// Only "downgrade" if enemy is an asteroid
if (enemies[i].Type == EnemyType.SMALL_ASTEROID || enemies[i].Type == EnemyType.MEDIUM_ASTEROID || enemies[i].Type == EnemyType.LARGE_ASTEROID)
{
if (enemies[i].Type == EnemyType.LARGE_ASTEROID || enemies[i].Type == EnemyType.MEDIUM_ASTEROID)
{
downgradeEnemy(enemies[i]);
enemies[i].Center = new Vector2(enemies[i].spriteImage.Width / 2, enemies[i].spriteImage.Height / 2);
}
else
{
enemies[i].Collided = true;
}
}
else
{
enemies[i].Collided = true;
}
player.Score += enemies[i].PointValue;
}
player.Bullets[j].Collided = true;
ParticleManager.particleEffects["Ricoshet"].Trigger(player.Bullets[j].Position);
}
}
else
{
if (player.Bullets[j].OutOfViewPort(ActionScreen.background))
{
player.Bullets[j].Collided = true;
ParticleManager.particleEffects["Ricoshet"].Trigger(player.Bullets[j].Position);
}
}
}
if (player.Bullets[j].Collided)
{
player.Bullets.Remove(player.Bullets[j]);
}
}
// Collision detection for alien bullets with player
if (enemies[i].Type == EnemyType.ALIEN)
{
for (int j = enemies[i].EBullets.Count - 1; j >= 0; j--)
{
if (player.Bounds.Intersects(enemies[i].EBullets[j].Bounds))
{
if (!IntersectPixels(player.Transformation, player.spriteImage.Width, player.spriteImage.Height, player.TextureData,
enemies[i].EBullets[j].Transformation, enemies[i].EBullets[j].spriteImage.Width, enemies[i].EBullets[j].spriteImage.Height, enemies[i].EBullets[j].TextureData))
{
enemies[i].EBullets[j].Collided = true;
player.Lives--;
}
}
if (enemies[i].EBullets[j].Collided)
{
enemies[i].EBullets.Remove(enemies[i].EBullets[j]);
}
}
}
enemies[i].Update(gameTime, player);
}
if (enemies[i].Collided)
{
enemies.Remove(enemies[i]);
}
}
}
// Player lost
else
{
player.Collided = false;
}
Console.WriteLine("bullet list size: " + player.Bullets.Count);
}
private float spawnDelay = 1.2F; // Time between each enemy spawn
#endregion Fields
#region Constructors
public EnemyManager(Player player)
{
enemies = new List<Enemy>();
delayTimer = TimeSpan.FromSeconds(spawnDelay);
}
public void LoadContent(ContentManager content)
{
// Load particles
particleManager.addEffect("SMALL_EXPLOSION", content.Load<ParticleEffect>("Particle Effects/Explosion-Red"));
particleManager.addEffect("SMALL_EXPLOSION2", content.Load<ParticleEffect>("Particle Effects/Explosion-Orange"));
particleManager.addEffect("MEDIUM_EXPLOSION_PINK", content.Load<ParticleEffect>("Particle Effects/Explosion-Medium-Pink"));
particleManager.addEffect("LARGE_EXPLOSION_BLUE", content.Load<ParticleEffect>("Particle Effects/Large-Explosion-Blue-Remake"));
particleManager.addEffect("Ship-Trail-Blue", content.Load<ParticleEffect>("Particle Effects/Ship-Trail-Blue"));
particleManager.addEffect("MissleTrail-Orange", content.Load<ParticleEffect>("Particle Effects/MissleTrail-Orange"));
particleManager.addEffect("Ricoshet", content.Load<ParticleEffect>("Particle Effects/Ricochet-Yellow"));
particleManager.addEffect("WarpIn", content.Load<ParticleEffect>("Particle Effects/WarpIn2"));
particleManager.LoadContent(content);
score = content.Load<SpriteFont>("Fonts/scoreFont");
livesIcon = content.Load<Texture2D>("lives_icon");
background = new Background(content.Load<Texture2D>("grid_background"));
player = new Player(content.Load<Texture2D>("PlayerShip"));
crosshair = content.Load<Texture2D>("crosshair");
// Load enemy textures
enemyManager = new EnemyManager(player);
enemyManager.enemyTextures.Add("SMALL_ASTEROID_RED", content.Load<Texture2D>("SMALL_ASTEROID_RED"));
enemyManager.enemyTextures.Add("SMALL_ASTEROID_BLUE", content.Load<Texture2D>("SMALL_ASTEROID_BLUE"));
enemyManager.enemyTextures.Add("SMALL_ASTEROID_GREEN", content.Load<Texture2D>("SMALL_ASTEROID_GREEN"));
enemyManager.enemyTextures.Add("SMALL_ASTEROID_PINK", content.Load<Texture2D>("SMALL_ASTEROID_PINK"));
enemyManager.enemyTextures.Add("SMALL_ASTEROID_PURPLE", content.Load<Texture2D>("SMALL_ASTEROID_PURPLE"));
enemyManager.enemyTextures.Add("MEDIUM_ASTEROID_RED", content.Load<Texture2D>("MEDIUM_ASTEROID_RED"));
enemyManager.enemyTextures.Add("MEDIUM_ASTEROID_BLUE", content.Load<Texture2D>("MEDIUM_ASTEROID_BLUE"));
enemyManager.enemyTextures.Add("MEDIUM_ASTEROID_GREEN", content.Load<Texture2D>("MEDIUM_ASTEROID_GREEN"));
enemyManager.enemyTextures.Add("MEDIUM_ASTEROID_PINK", content.Load<Texture2D>("MEDIUM_ASTEROID_PINK"));
enemyManager.enemyTextures.Add("MEDIUM_ASTEROID_PURPLE", content.Load<Texture2D>("MEDIUM_ASTEROID_PURPLE"));
enemyManager.enemyTextures.Add("LARGE_ASTEROID_RED", content.Load<Texture2D>("LARGE_ASTEROID_RED"));
enemyManager.enemyTextures.Add("LARGE_ASTEROID_BLUE", content.Load<Texture2D>("LARGE_ASTEROID_BLUE"));
enemyManager.enemyTextures.Add("LARGE_ASTEROID_GREEN", content.Load<Texture2D>("LARGE_ASTEROID_GREEN"));
enemyManager.enemyTextures.Add("LARGE_ASTEROID_PINK", content.Load<Texture2D>("LARGE_ASTEROID_PINK"));
enemyManager.enemyTextures.Add("LARGE_ASTEROID_PURPLE", content.Load<Texture2D>("LARGE_ASTEROID_PURPLE"));
enemyManager.enemyTextures.Add("LARGE_SPINNER_BLUE", content.Load<Texture2D>("LARGE_SPINNER_BLUE"));
enemyManager.enemyTextures.Add("SMALL_SPINNER_PINK", content.Load<Texture2D>("SMALL_SPINNER_Pink"));
enemyManager.enemyTextures.Add("ALIEN", content.Load<Texture2D>("ALIEN"));
enemyManager.enemyTextures.Add("ARMORED", content.Load<Texture2D>("ArmoredEnemy"));
// Load projectile textures
player.projectileTextures.Add("NORMAL_BULLET", content.Load<Texture2D>("Projectile2"));
player.projectileTextures.Add("NORMAL_MISSLE", content.Load<Texture2D>("NORMAL_MISSLE"));
PowerUpManager.PowerUpTextures.Add("LIFE_UP", content.Load<Texture2D>("powerup_lifeup"));
PowerUpManager.PowerUpTextures.Add("WEAPON_UPGRADE", content.Load<Texture2D>("powerup_weaponPower"));
// Load sounds
SoundManager.soundEffects.Add("player_weapon", content.Load<SoundEffect>("Sounds/fire_laser1"));
SoundManager.soundEffects.Add("explosion", content.Load<SoundEffect>("Sounds/sound_explosion"));
SoundManager.soundEffects.Add("powerup", content.Load<SoundEffect>("Sounds/sound_powerup"));
backgroundLoop = content.Load<Song>("Sounds/particleillusionloop");
MediaPlayer.Play(backgroundLoop);
MediaPlayer.IsRepeating = true;
PauseOverlay = content.Load<Texture2D>("pause_overlay");
cam = new Camera();
bloom.Settings = BloomSettings.PresetSettings[6];
bloom.Visible = true;
}
