/// <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)
{
//set rendering mode to wireframe if enabled
if (wireframe)
{
GraphicsDevice.Clear(Color.CornflowerBlue);
spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque);
RasterizerState state = new RasterizerState
{
FillMode = FillMode.WireFrame
};
spriteBatch.GraphicsDevice.RasterizerState = state;
}
else
{
GraphicsDevice.Clear(Color.Black);
spriteBatch.Begin();
}
//draw objects by calling their draw functions
rock.Draw(spriteBatch);
foreach (Shot shot in shots)
{
shot.Draw(spriteBatch);
}
player.Draw(spriteBatch);
spriteBatch.End();
base.Draw(gameTime);
}
/// <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();
background.Draw(spriteBatch);
spriteBatch.End();
spriteBatch.Begin();
bullets.Draw(spriteBatch);
asteroids.Draw(spriteBatch);
player.Draw(spriteBatch);
alien.Draw(spriteBatch);
spriteBatch.End();
spriteBatch.Begin();
for (int i = 0; i < lives; i++)
{
Sprite life = new Sprite(graphics, player.Image);
life.Rotation = 0;
life.size = 0.1f;
life.position = new Vector2(10 + (i * 20), graphics.PreferredBackBufferHeight - 50);
life.Draw(spriteBatch);
}
spriteBatch.End();
if (counter > 0)
{
spriteBatch.Begin();
spriteBatch.DrawString(font, "Wave " + wave, new Vector2(graphics.PreferredBackBufferWidth / 2 - 60, 200), Color.White * 0.7f);
spriteBatch.End();
counter--;
}
spriteBatch.Begin();
if (lives < 0)
{
spriteBatch.DrawString(font, "GAME OVER!", new Vector2(200, graphics.PreferredBackBufferHeight / 2), Color.White);
}
spriteBatch.End();
base.Draw(gameTime);
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.Clear(Color.Black);
if (!bStarted)
{
String drawString = "Asteroids";
// Create font and brush.
Font drawFont = new Font("Verdana", 48);
SolidBrush drawBrush = new SolidBrush(Color.Red);
PointF drawPoint = new PointF(this.ClientRectangle.Width / 4, this.ClientRectangle.Height - iTextHolder);
// Draw string to screen.
e.Graphics.DrawString(drawString, drawFont, drawBrush, drawPoint);
drawString = "AURORA";
// Create font and brush.
drawFont = new Font("TIMES NEW ROMAN", 14);
drawBrush = new SolidBrush(Color.White);
drawPoint = new PointF(this.ClientRectangle.Width / 4, this.ClientRectangle.Height - (iTextHolder - 90));
// Draw string to screen.
e.Graphics.DrawString(drawString, drawFont, drawBrush, drawPoint);
if (iTextHolder > this.ClientRectangle.Height + 25)
{
iTextHolder = 25;
}
else
{
iTextHolder = iTextHolder + 5;
}
return;
}
Bullet[] BulletArray = TheShip.BulletArray;
// Move Ship
if (TheShip.Active)
{
TheShip.Move();
// check ship is not out of bounds
TheShip.InRectangle(this.ClientRectangle);
}
// Move Bullets
for (int i = 0; i < BulletArray.Length; i++)
{
// check if bullet is still in scope
if (BulletArray[i] != null)
{
if (BulletArray[i].Active)
{
BulletArray[i].Move();
// trim or reposition bullets
if (BulletArray[i].InRectangle(this.ClientRectangle))
{
BulletArray[i].Active = false;
}
// test ship & bullet collision
if (TheShip.Active)
{
if (BulletArray[i].IntersectsWith(TheShip.GetBounds(), TheShip.ShipImage))
{
BulletArray[i].Active = false;
TheShip.Active = false;
}
}
}
}
}
// Move Asteroids
foreach (Asteroid A in AsteroidList)
{
A.Move();
A.InRectangle(this.ClientRectangle);
}
// check for collisions
for (int j = 0; j < AsteroidList.Count; j++)
{
Asteroid A = (Asteroid)AsteroidList[j];
// if exploding nothing to do
if (A.Exploding == false)
{
// with bullets
for (int i = 0; i < BulletArray.Length; i++)
{
if (BulletArray[i] != null)
{
if (BulletArray[i].Active)
{
if (BulletArray[i].IntersectsWith(A.GetBounds(), A.AsteroidImage))
{
A.Exploding = true;
spawnMoreAsteroids(A);
BulletArray[i].Active = false;
}
}
}
}
// with ship
if (TheShip.Active)
{
if (TheShip.IntersectsWith(A.GetBounds(), A.AsteroidImage))
{
A.Exploding = true;
spawnMoreAsteroids(A);
TheShip.Active = false;
}
}
}
}
// trim any inactive asteroids
for (int i = 0; i < AsteroidList.Count; i++)
{
Asteroid A = (Asteroid)AsteroidList[i];
if (A.Active)
{
A.Draw(g);
}
else
{
AsteroidList.RemoveAt(i);
}
}
for (int i = 0; i < BulletArray.Length; i++)
{
if (BulletArray[i] != null)
{
if (BulletArray[i].Active)
{
BulletArray[i].Draw(g);
}
}
}
if (TheShip.Active)
{
TheShip.DrawShip(g);
}
}