// Restricts the movement of the player to the screen size
public static void RestrictMovement(GraphicsDevice graphics, Player ninja)
{
// Current screen dimensions
int screenWidth = graphics.Viewport.Width;
int screenHeight = graphics.Viewport.Height;
// Cannot move beyond the left side
if (ninja.PositionX <= 0)
{
ninja.PositionX = 0;
}
// Cannot move beyond the right side
if (ninja.PositionX + ninja.Texture.Width >= screenWidth)
{
ninja.PositionX = screenWidth - ninja.Texture.Width;
}
// Cannot move beyond the top
if (ninja.PositionY <= 0)
{
ninja.PositionY = 0;
}
// Cannot move beyond the bottom
if (ninja.PositionY + ninja.Texture.Height >= screenHeight)
{
ninja.PositionY = screenHeight - ninja.Texture.Height;
}
}
// Adds an attack when the attack button is pressed accompanied by sound and animation
public static void AttackAdd(ContentManager Content, Player ninja, List<PlayerAttack> ninjaAttacks,
KeyboardState presentKey, KeyboardState pastKey,
GamePadState pressentButton, GamePadState pastButton)
{
if (presentKey.IsKeyDown(Keys.Space) && pastKey.IsKeyUp(Keys.Space)
|| pressentButton.IsButtonDown(Buttons.A) && pastButton.IsButtonUp(Buttons.A))
{
// if the attack button is pressed a new attack will be added to the list
ninjaAttacks.Add(new PlayerAttack(Content.Load<Texture2D>("Images\\Attack"),
new Vector2(ninja.PositionX + (int)(ninja.Texture.Width * 0.8),
ninja.PositionY + (int)(ninja.Texture.Height / 2.25))));
// A sound effect will be played each time we press the attack button
ninja.PlaySound();
}
// The animation texture of the character will change with each attack
if (presentKey.IsKeyDown(Keys.Space) || pressentButton.IsButtonDown(Buttons.A))
{
ninja.Texture = Content.Load<Texture2D>("Images\\NinjaFrame1-2");
}
else
{
ninja.Texture = Content.Load<Texture2D>("Images\\NinjaFrame1-1");
}
}
public static void CollisionEnemyFireBallsToPlayer(ContentManager Content, Player ninja, List<EnemyAttack> fireBalls, List<Explosion> explosions)
{
// Rectangle of the player character
Rectangle ninjaRectangle = new Rectangle((int)ninja.PositionX - 55,
(int)ninja.PositionY + 60, ninja.Texture.Width,
ninja.Texture.Height / 2);
// Going through each enemy fireball
for (int index = 0; index < fireBalls.Count; index++)
{
// Creating a rectangle that represents the desired hit box of the current fireball
Rectangle fireBall = new Rectangle((int)fireBalls[index].Position.X,
(int)(fireBalls[index].Position.Y + 50), fireBalls[index].Texture.Width / 2,
fireBalls[index].Texture.Height / 2);
// If the hit boxes intersect
if (ninjaRectangle.Intersects(fireBall))
{
ninja.health--;
// Generate a new explosions on the current position
explosions.Add(new Explosion(Content.Load<Texture2D>("Images\\Boom2"),
Content.Load<SoundEffect>("Sound\\Glock"), new Vector2(fireBalls[index].Position.X,
fireBalls[index].Position.Y), new Vector2(fireBalls[index].VelocityX + 3, 0)));
// Play sound for the explosion
explosions[explosions.Count - 1].PlaySound();
// remove the fireball that was hit
fireBalls.RemoveAt(index);
index--; // reduce the fireball index
}
}
}
// Draws the player character and every attack thats been generated
public static void DrawNinjaAndAttacks(Player ninja, List<PlayerAttack> ninjaAttacks, SpriteBatch spriteBatch, SpriteFont font)
{
ninja.Draw(spriteBatch);
spriteBatch.DrawString(font, "Lives " + ninja.health, new Vector2(10, 10), Color.Black);
foreach (var attack in ninjaAttacks)
{
attack.Draw(spriteBatch);
}
}
// Updates the position of each individual player attacks and removes it if its off screen
public static void AttackUpdate(GraphicsDevice graphics,Player ninja, List<PlayerAttack> ninjaAttacks,
KeyboardState presentKey, KeyboardState pastKey,
GamePadState pressentButton, GamePadState pastButton)
{
foreach (var attack in ninjaAttacks)
{
attack.Update();
}
for (int index = 0; index < ninjaAttacks.Count; index++)
{
if (ninjaAttacks[index].Position.X > graphics.Viewport.Width +
ninjaAttacks[index].Texture.Width)
{
// if the attack is off screen it will be removed from the list
ninjaAttacks.RemoveAt(index);
index--;
}
}
}
