/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.Black);
spriteBatch.Begin();
if (subMenu)
{
drawSubMenu(spriteBatch);
}
else if (displayMenu)
{
drawMenu(spriteBatch);
}
else if(!win)
{
// correct clock only if offset is not set
if (offset == null)
{
offset = (float)gameTime.TotalGameTime.Seconds;
}
time = (float)gameTime.TotalGameTime.Seconds - offset;
//Draw background
spriteBatch.Draw(backgroundTexture, new Rectangle(0, 0, 800, 600), Color.White);
//draw enemies
// if gameover, draw to screen
if (gameOver)
{
human.xPos = -200;
human.yPos = -200;
spriteBatch.DrawString(titleFont, "GAME OVER", new Vector2(150, 150), Color.White);
}
foreach (EnemyShot shot in shotList)
{
if (shot != null)
{
shot.draw(spriteBatch);
}
}
//
if (boss.appearTime <= time)
{
boss.yPos = 400;
boss.draw(spriteBatch);
}
foreach (Enemy enemy in activeList)
{
if (enemy != null)
{
if (time >= enemy.appearTime)
{
enemy.start = true;
enemy.draw(spriteBatch);
}
}
}
//handle player movement
if (!human.respawn)
{
Vector2 humanPos = human.updateState(gameTime, activeList, boss);
human.drawShots(spriteBatch);
human.sprite.draw(spriteBatch, humanPos);
// handle player explosions
if (human.hit)
{
Expolsion exp = new Expolsion(explosionTexture, 128, 128, 20);
explosionList.Add(exp);
human.die(exp, spriteBatch);
}
}
else
{
human.respawnUpdate();
human.drawShots(spriteBatch);
Vector2 humanPos = human.updateState(gameTime, activeList, boss);
human.sprite.drawInvincible(spriteBatch, humanPos);
}
//draw effects and remove players/enemies
updateEffects(spriteBatch);
removeEnemies(spriteBatch);
/*
//hit box for debugging
spriteBatch.Draw(singlePix, human.hitBox, Color.Red);
// hit box for enemies
foreach (Enemy enemy in activeList)
{
if (enemy != null)
{
spriteBatch.Draw(singlePix, enemy.hitBox, Color.Yellow);
}
}
spriteBatch.Draw(singlePix, boss.hitBox, Color.Green);
*/
}
spriteBatch.End();
base.Draw(gameTime);
}
/// <summary>
/// Creates an explosion at the player's position
/// </summary>
/// <param name="explosion"></param>
/// <param name="batch"></param>
public void die(Expolsion explosion, SpriteBatch batch)
{
explosion.xPos = xPos;
explosion.yPos = yPos;
}
/// <summary>
/// Removes all defeated enemies from active lists
/// </summary>
/// <param name="batch">current sprite batch</param>
protected void removeEnemies(SpriteBatch batch)
{
Expolsion exp = new Expolsion(explosionTexture, 128, 128, 20);
//remove each enemy in the remove list from the main enemy list
foreach (Enemy enemy in removeList)
{
//create a new explosion and add it to the explosion list
explosionList.Add(exp);
enemy.die(exp, batch);
// re-open slot in active list
for (int i = 0; i < activeList.Length; i++)
{
if (activeList[i] == enemy)
{
activeList[i] = null;
}
}
}
if (!boss.alive)
{
boss.die(exp, batch);
}
removeList.Clear();
}
public override void die(Expolsion explosion, SpriteBatch batch)
{
base.die(explosion, batch);
xPos = -100;
yPos = -100;
}
