protected override void Update(GameTime gameTime)
{
float elapsedTime = (float)gameTime.ElapsedGameTime.TotalSeconds; // Get time elapsed since last Update iteration
KeyboardHandler(); // Handle keyboard input
if (gameOver)
{
avatar.dX = 0;
avatar.dY = 0;
fire.dX = 0;
fire.dY = 0;
fire.dA = 0;
}
// Stop all movement when the game ends
if (gameOver)
{
avatar.dX = 0;
avatar.dY = 0;
fire.dX = 0;
fire.dY = 0;
fire.dA = 0;
}
// Update animated SpriteClass objects based on their current rates of change
avatar.Update(elapsedTime);
fire.Update(elapsedTime);
// Accelerate the Avatar downward each frame to simulate gravity.
avatar.dY += gravitySpeed;
// Set game floor
if (avatar.y > screenHeight * SKYRATIO)
{
avatar.dY = 0;
avatar.y = screenHeight * SKYRATIO;
}
// Set right edge
if (avatar.x > screenWidth - avatar.texture.Width / 2)
{
avatar.x = screenWidth - avatar.texture.Width / 2;
avatar.dX = 0;
}
// Set left edge
if (avatar.x < 0 + avatar.texture.Width / 2)
{
avatar.x = 0 + avatar.texture.Width / 2;
avatar.dX = 0;
}
// If the fire goes offscreen, spawn a new one and iterate the score
if (fire.y > screenHeight + 100 || fire.y < -100 || fire.x > screenWidth + 100 || fire.x < -100)
{
SpawnFire();
score++;
}
if (avatar.RectangleCollision(fire))
{
gameOver = true;
}
//if (avatar.RectangleCollision(fire)) gameOver = true; // End game if the Avatar collides with the fire
base.Update(gameTime);
}
