/// <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()
{
// TODO: Add your initialization logic here
//Initialize all your objects here
player1 = new Player(400, -32, 50, 50);
physics = new Physics();
controls = new Controls();
base.Initialize();
}
public void Update(Physics physics)
{
Move();
// Check collisions
foreach (Enemy e in physics.enemies)
{
if (Math.Sqrt(Math.Pow(spriteX - e.spriteX, 2) +
Math.Pow(spriteY - e.spriteY, 2)) < 20)
{
this.destroyed = true;
e.health--;
}
}
}
public void CheckCollisions(Physics physics)
{
if (!puddled)
{
foreach (Enemy e in physics.enemies)
{
if (Math.Sqrt(Math.Pow(spriteX - e.spriteX, 2) +
Math.Pow(spriteY - e.spriteY, 2)) < 32)
{
spriteX = 400;
spriteY = -32;
y_vel = 0;
grounded = false;
}
}
}
}
public void Move(Physics physics)
{
// Change directions maybe
if (spriteX > 750)
{
x_vel = -3;
left = true;
}
else if (spriteX < 50)
{
x_vel = 3;
left = false;
}
else if (physics.count % (30 + rnd.Next(1, 600)) == 0)
{
x_vel = -x_vel;
left = !left;
}
// Move horizontally
spriteX += x_vel;
// Fall (with grace!)
if (spriteY < physics.ground)
{
spriteY += y_vel;
y_vel += physics.gravity;
}
else
{
spriteY = physics.ground;
y_vel = 0;
// Jump maybe
if (rnd.NextDouble() < .01)
{
spriteY--;
y_vel = -15;
}
}
}
public void Update(Controls controls, Physics physics)
{
// Move
Move(physics);
// Update sprite
frameIndex = ((physics.count + seed) / 8 % 4) * 32;
// Be killed if necessary
destroyed = (health <= 0);
}
private void Animate(Controls controls, Physics physics,
ContentManager content)
{
// Check for standing still
if (!frozen())
{
// Jumping
if (!grounded)
{
if (this.imageFile != "PC/jump.png")
{
frameIndex = 0;
this.imageFile = "PC/jump.png";
LoadContent(content);
}
}
// Not Moving
else if (Math.Abs(x_vel) < .5)
{
if (this.imageFile != "PC/stand.png")
{
frameIndex = 0;
this.imageFile = "PC/stand.png";
LoadContent(content);
}
}
// Yes moving
else if (this.imageFile != "PC/sheet.png")
{
frameIndex = 0;
this.imageFile = "PC/sheet.png";
LoadContent(content);
}
}
// Puddle sprite logic
if (this.imageFile == "PC/collapse.png")
{
if (controls.isPressed(Keys.Down, Buttons.DPadDown))
{
if (frameIndex < 5 * 32)
frameIndex += 32;
}
else
{
frameIndex -= 32;
if (frameIndex <= 0)
puddled = false;
}
}
// Walking sprite frames
else if (this.imageFile == "PC/sheet.png")
{
frameIndex = (physics.count / 8 % 4) * 32;
}
// Jumping sprite frames
else if (this.imageFile == "PC/jump.png")
{
if (frameIndex < 2 * 32)
frameIndex += 32;
}
// Standing sprite frames
else
{
frameIndex = 0;
}
}
public void Update(Controls controls, Physics physics,
ContentManager content)
{
// Acceleration
if (controls.onPress(Keys.Right, Buttons.DPadRight))
x_accel += speed;
else if (controls.onRelease(Keys.Right, Buttons.DPadRight))
x_accel -= speed;
if (controls.onPress(Keys.Left, Buttons.DPadLeft))
x_accel -= speed;
else if (controls.onRelease(Keys.Left, Buttons.DPadLeft))
x_accel += speed;
// Movement
x_vel = x_vel * (1 - friction)
+ (frozen() ? 0 : x_accel * .10);
spriteX += Convert.ToInt32(x_vel);
// Direction
if (x_vel > 0.1)
left = false;
else if (x_vel < -0.1)
left = true;
// Puddle
if (!frozen() && grounded && powerup["puddle"] &&
controls.isPressed(Keys.Down, Buttons.DPadDown))
{
puddled = true;
imageFile = "PC/collapse.png";
LoadContent(content);
if (controls.onPress(Keys.Down, Buttons.DPadDown))
puddle_point = physics.count;
}
// New shots
if (controls.onPress(Keys.D, Buttons.RightShoulder))
{
shooting = true;
shot_point = physics.count;
}
else if (controls.onRelease(Keys.D, Buttons.RightShoulder))
{
shooting = false;
}
if (controls.onPress(Keys.S, Buttons.A) && grounded)
{
jump_point = physics.count;
}
else if (controls.onRelease(Keys.S, Buttons.A))
{
// Cut jump short
if (y_vel < 0)
y_vel /= 2;
}
// Fall (with grace!)
if (spriteY < physics.ground)
{
spriteY += y_vel;
y_vel += physics.gravity;
}
else
{
spriteY = physics.ground;
y_vel = 0;
grounded = true;
}
// Deal with shot creation and delay
if (!frozen())
{
// Generate regular shots
if ((physics.count - shot_point) % shot_delay == 0 && shooting)
{
string dir = controls.isPressed(Keys.Up, Buttons.DPadUp) ? "up" : "none";
Shot s = new Shot(this, dir);
s.LoadContent(content);
physics.shots.Add(s);
}
// Generate downward shots
if ((physics.count - jump_point) % jump_delay == 0 && powerup["jetpack"] &&
!grounded && controls.isPressed(Keys.S, Buttons.A))
{
// New shot
Shot s = new Shot(this, "down");
s.LoadContent(content);
physics.shots.Add(s);
// Upwards
spriteY -= 1;
y_vel = -8;
}
}
// Jump logic
if (controls.isPressed(Keys.S, Buttons.A) && !frozen() && grounded)
{
spriteY -= 1;
y_vel = -15;
grounded = false;
}
Animate(controls, physics, content);
CheckCollisions(physics);
}