/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// TODO: Add your update logic here
InputManager.Instance.Update();
//deltaTime is in seconds, so calculations = pixels per second.
deltaTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
//Press enter to start game/level
if (!startGame)
{
if (InputManager.Instance.KeyPressed(Keys.Enter))
{
startGame = true;
}
return;
}
timer += deltaTime;
//update player
spritePlayer.Update(gameTime);
//update backgrounds
scrollBack.Update(gameTime);
scrollFore.Update(gameTime);
scrollBack.setScrollSpeed(playerSpeeeeeed - 2);
scrollFore.setScrollSpeed(playerSpeeeeeed);
//limit scroll speed
if (playerSpeeeeeed > -1)
{
playerSpeeeeeed = -1;
}
else if (playerSpeeeeeed < -10)
{
playerSpeeeeeed = -10;
}
//Every 2 seconds, spawn an enemy randomly.
if (timer > spawnInterval)
{
AddEnemy(enemyList);
timer = 0;
}
//inputs
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (InputManager.Instance.KeyPressed(Keys.B))
{
showbb = !showbb;
}
//PLAYER MOVEMENT
if (InputManager.Instance.KeyDown(Keys.Left))
{
if (spritePlayer.getPosX() > playArea.Left)
{
spritePlayer.setPosX(spritePlayer.getPosX() - playerSpeed);
}
playerSpeeeeeed += 0.1f;
}
if (InputManager.Instance.KeyDown(Keys.Right))
{
if (spritePlayer.getPosX() < playArea.Right - spritePlayer.getWidth())
{
spritePlayer.setPosX(spritePlayer.getPosX() + playerSpeed);
}
playerSpeeeeeed += -0.1f;
}
if (InputManager.Instance.KeyDown(Keys.Up))
{
if (spritePlayer.getPosY() > playArea.Bottom)
{
spritePlayer.setPosY(spritePlayer.getPosY() - playerSpeed);
}
}
if (InputManager.Instance.KeyDown(Keys.Down))
{
if (spritePlayer.getPosY() < playArea.Top - spritePlayer.getHeight())
{
spritePlayer.setPosY(spritePlayer.getPosY() + playerSpeed);
}
}
//PLAYER SHOOT
if (InputManager.Instance.KeyPressed(Keys.Space))
{
AddBullet((int)spritePlayer.getPosX(), (int)spritePlayer.getPosY());
}
//Update all enemies and bullets to move. also inactive if outofbounds
//In the past I called this instead of having an extended class with custom update
// enemyList.moveDeltaX(-3);
//Update/remove enemies
enemyList.Update(gameTime);
enemyList.removeIfOutside(new Rectangle(-100, -100, SCREEN_WIDTH + 200, SCREEN_HEIGHT + 200));
//update/remove bullets
playerBulletList.moveDeltaX(5);
playerBulletList.removeIfOutside(new Rectangle(-100, -100, SCREEN_WIDTH + 200, SCREEN_HEIGHT + 200));
//If player collides with enemy
int collisionIndex = enemyList.collisionAA(spritePlayer);
if (collisionIndex != -1)
{
Sprite3 temp = enemyList.getSprite(collisionIndex);
//player collides with boss
if (temp.getName() == "boss")
{
}
else
{
//enemy dies?
temp.active = false;
temp.visible = false;
AddExplosion((int)temp.getPosX(), (int)temp.getPosY());
score -= 5;
textScore.text = "Score : " + score.ToString();
}
}
//if a bullet collides with enemy
for (int i = 0; i < playerBulletList.count(); i++)
{
Sprite3 currentBullet = playerBulletList.getSprite(i);
if (currentBullet == null)
{
continue;
}
if (currentBullet.active != true)
{
continue;
}
if (currentBullet.visible != true)
{
continue;
}
//if collision success
int collision = enemyList.collisionAA(currentBullet);
if (collision != -1)
{
Sprite3 currentEnemy = enemyList.getSprite(collision);
//kill both enemy and bullet
currentEnemy.active = false;
currentEnemy.visible = false;
currentBullet.active = false;
currentBullet.visible = false;
//add particle
AddExplosion((int)currentEnemy.getPosX(), (int)currentEnemy.getPosY());
//add score
score += 10;
textScore.text = "Score : " + score.ToString();
}
}
//update particles
particleList.animationTick(gameTime);
base.Update(gameTime);
}
public override void Update(GameTime gameTime)
{
//deltaTime is in seconds, so calculations = pixels per second.
deltaTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
//Press enter to start game/level
switch (levelState)
{
case LEVELSTATE.LEVELSTART:
if (InputManager.Instance.KeyPressed(Keys.Enter))
{
levelState = LEVELSTATE.LEVELPLAY;
}
return;
case LEVELSTATE.LEVELPLAY:
timer += deltaTime;
//update player
player.Update(gameTime);
//PAUSE
if (InputManager.Instance.KeyPressed(Keys.P))
{
gameStateManager.pushLevel(3);
}
//PLAYER SHOOT
if (InputManager.Instance.KeyPressed(Keys.Space))
{
AddBullet((int)player.getPosX(), (int)player.getPosY());
soundBulletLimit.playSoundIfOk();
}
break;
case LEVELSTATE.LEVELFINISH:
player.Update(gameTime);
if (InputManager.Instance.KeyPressed(Keys.Enter))
{
gameStateManager.pushLevel(1);
}
break;
case LEVELSTATE.LEVELGAMEOVER:
timer += deltaTime;
if (InputManager.Instance.KeyPressed(Keys.Q))
{
gameStateManager.setLevel(4);
}
break;
default:
throw new Exception("hahaha");
}
//Every 2 seconds, spawn an enemy randomly.
if (timer > spawnInterval && enemyCounter < enemyToSpawn)
{
AddEnemy(enemyList);
timer = 0;
enemyCounter++;
}
//update backgrounds
scrollBack.Update(gameTime);
scrollFore.Update(gameTime);
scrollBack.setScrollSpeed(player.playerBackgroundSpeed - 2);
scrollFore.setScrollSpeed(player.playerBackgroundSpeed);
//Update/remove enemies
enemyList.Update(gameTime);
enemyList.removeIfOutside(new Rectangle(-100, -100, Game1.SCREEN_WIDTH + 200, Game1.SCREEN_HEIGHT + 200));
if (enemyList.countActive() == 0 && enemyCounter >= enemyToSpawn)
{
levelState = LEVELSTATE.LEVELFINISH;
}
//update/remove bullets
playerBulletList.moveDeltaX(5);
playerBulletList.removeIfOutside(new Rectangle(-100, -100, Game1.SCREEN_WIDTH + 200, Game1.SCREEN_HEIGHT + 200));
//If player collides with enemy
int collisionIndex = enemyList.collisionAA(player);
if (collisionIndex != -1)
{
Sprite3 temp = enemyList.getSprite(collisionIndex);
//player collides with boss
if (temp.getName() == "boss")
{
}
else
{
//enemy dies?
temp.active = false;
temp.visible = false;
AddExplosion((int)temp.getPosX(), (int)temp.getPosY());
score -= 5;
textScore.text = "Score : " + score.ToString();
player.TakeDamage();
if (player.hitPoints <= 0)
{
levelState = LEVELSTATE.LEVELGAMEOVER;
AddExplosion((int)player.getPosX(), (int)player.getPosY());
player.setPos(0, -300); // offscreen
player.setActive(false);
}
//TODO: GET HITSOUND
soundEnemyHitLimit.playSoundIfOk();
}
}
//if a bullet collides with enemy
for (int i = 0; i < playerBulletList.count(); i++)
{
Sprite3 currentBullet = playerBulletList.getSprite(i);
if (currentBullet == null)
{
continue;
}
if (currentBullet.active != true)
{
continue;
}
if (currentBullet.visible != true)
{
continue;
}
//if collision success
int collision = enemyList.collisionAA(currentBullet);
if (collision != -1)
{
Sprite3 currentEnemy = enemyList.getSprite(collision);
currentEnemy.hitPoints -= 1;
//DEAD ENEMY
if (currentEnemy.hitPoints <= 0)
{
currentEnemy.active = false;
currentEnemy.visible = false;
//add particle
AddExplosion((int)currentEnemy.getPosX(), (int)currentEnemy.getPosY());
//add score
score += 10;
textScore.text = "Score : " + score.ToString();
}
//DAMAGED ENEMY
else
{
currentEnemy.varInt0 = 100;
soundEnemyHitLimit.playSoundIfOk();
}
//REMOVE BULLET
currentBullet.active = false;
currentBullet.visible = false;
}
}
//update particles
particleList.animationTick(gameTime);
base.Update(gameTime);
}
