public void UpdateInput(KeyboardState t_keyState, GameTime t_time, Viewport t_viewPort, int t_switchFrame,
Background backGround, GameMouse mouse, Camera camera)
{
ProccessInput(t_keyState, t_time, t_viewPort, mouse, camera);
//CalculatePosition(t_viewPort, backGround);
//ApplyConstraints();
//RegisterHitBox();
this.Update(t_time, t_viewPort, t_switchFrame, backGround);
//if the object needs to animate on a timer do not pass 0 to t_switchFrame
if (t_switchFrame != 0)
AnimateSprite(t_time, t_switchFrame);
Rotation = Force.X;
}
//recalculate the position, add two physics vectors together, only used in Update()
protected void CalculatePosition(Viewport t_viewPort, Background backGround)
{
//Positional values conatining polar (x, y);
Vector2 t_start, t_end;
double pos_x, pos_y;
//Save the starting location
t_start = Position;
//Apply force to the existing trajectory
pos_x = (Math.Cos(force.X) * force.Y) + (Math.Cos(strafe.X) * strafe.Y) + Position.X;
pos_y = (Math.Sin(force.X) * force.Y) + (Math.Sin(strafe.X) * strafe.Y) + Position.Y;
//if the ship is moving
if (trajectory.Y != 0)
{
//Continue to add velocety to the tragectory
pos_x += (Math.Cos(trajectory.X) * trajectory.Y);
pos_y += (Math.Sin(trajectory.X) * trajectory.Y);
}
//Update the position at which to draw the sprite
Position = new Vector2((float)pos_x, (float)pos_y);
//subtract the starting position form the ending position so that the result
//can be used to calculate the new angle of tragectory
t_end = Position - t_start;
//When calculating pythageruims therum the result is always positive therefor
//the values must be check prior to the calculation to determine if the object
//is moving in a positive direction or negative and the +/- signs get manually
//applyed to the tragectory.
//Check that the velocety is positive
if (t_end.X == Math.Abs(t_end.X))
//since the direction of travel is positive leave pythageriums positive
trajectory.Y = (float)Math.Sqrt(Math.Pow(t_end.X, 2) + Math.Pow(t_end.Y, 2));
//if for negative velocety
else if (t_end.X == -Math.Abs(t_end.X))
//since the direction of travel is negative manualy apply a negative to pythageriums
trajectory.Y = -(float)Math.Sqrt(Math.Pow(t_end.X, 2) + Math.Pow(t_end.Y, 2));
//finally calculate the new angle of travel using the tangent of the differance of
//the starting position and the ending position
trajectory.X = (float)Math.Atan(t_end.Y / t_end.X);
//This section is used to loop the object on the screen if said object
//is to leave the screen redraw it on the opposite side that it left from
//Bottom of the screen
if (Position.Y > backGround.Texture.Height * 10)
Position = new Vector2(Position.X, -backGround.Texture.Height * 10);
//Top of the screen
else if (Position.Y < -backGround.Texture.Height * 10)
Position = new Vector2(Position.X, backGround.Texture.Height * 10);
//Right side of the screen
else if (Position.X > backGround.Texture.Width * 15)
Position = new Vector2(-backGround.Texture.Width * 15, Position.Y);
//Left side of the screen
else if (Position.X < -backGround.Texture.Width * 15)
Position = new Vector2(backGround.Texture.Width * 15, Position.Y);
}
//central processing for the entire class, pass 0 to t_switchFrame if Object does not animate
public void Update(GameTime t_time, Viewport t_viewPort, int t_switchFrame, Background backGround)
{
CalculatePosition(t_viewPort, backGround);
ApplyConstraints();
RegisterHitBox();
CalculateMatrix();
//if the object needs to animate on a timer do not pass 0 to t_switchFrame
if (t_switchFrame != 0)
AnimateSprite(t_time, t_switchFrame);
Rotation = force.X;
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
// TODO: Add your initialization logic here
mouse = new GameMouse(Content, "Art/mice", new Vector2(3,1));
camera = new Camera();
debug = new Debug(Content, spriteBatch, 0, 0);
ship = new InputObject(Content, "Art/spaceShip", new Vector2(0, 0), new Vector2(0, 0), 6.0f, 30);
backGround = new Background(Content, graphics, "Art/space");
asteroid = new List<Asteroid>();
blasters = new List<Blasters>();
base.Initialize();
}
