public void Update(GameTime gameTime, Entities entities, float factor)
{
float y = MathHelper.Max(50, entities.Player.Body.Torso.Position.Y.ToPixels() - 100f);
Camera.Viewport.Center =
new Vector2(
entities.Player.Body.Torso.Position.X.ToPixels() - (2f*factor - 1)*.4f*Camera.Viewport.Dimensions.X,
y);
Camera.Viewport.Pivot = new Vector2(factor, .5f);
Vector2 mousePosition = Camera.PositionOnWorld(Input.Mouse.Position);
float rotationFactor = (Camera.Viewport.Center.X - mousePosition.X.ToPixels())/
(2*Camera.Viewport.Dimensions.X);
Camera.Viewport.Rotation = -rotationFactor*(MathHelper.PiOver4*.25f);
float scaleFactor = 1 - Input.Mouse.Position.Y/(Camera.Viewport.Dimensions.Y*.5f);
Camera.Viewport.Scale = new Vector2(1 + scaleFactor*4e-2f);
}
public Play(Game game)
: base(game)
{
Cursor = new Cursor();
Debug = new Debug(game, World, this);
Entities = new Entities(World, this);
Terrain = new Terrain(game.GraphicsDevice, World);
CameraOperator = new CameraOperator(game.GraphicsDevice.Viewport.Bounds);
HUD = new HUD();
Background =
new Background(new Vector2(game.GraphicsDevice.Viewport.Width, game.GraphicsDevice.Viewport.Height));
Wait.Until(time => Tweening.Tween(
start: 0f,
end: 1f,
progress: time.Alive/2f,
step: value => Factor = value,
scale: TweenScales.Quadratic));
}
public void Update(GameTime gameTime, CameraOperator cameraOperator, Entities entities, World world)
{
foreach (Coin coin in _coins)
{
coin.Update(gameTime);
}
_seconds += gameTime.ElapsedGameTime.Milliseconds*1e-3f;
if (_seconds > 1f)
{
--_seconds;
RotatableRectangleF cameraViewport = cameraOperator.Camera.Viewport;
if (_coins.Count == _coins.Capacity)
Remove(_coins[0], world);
//select a way to launch
if (InfiniteIsland.Random.Next(2) == 0)
{
//Launch from the left
_coins.Add(
new Coin(
position:
(cameraViewport.TopLeft +
new Vector2(0,
(float) InfiniteIsland.Random.NextDouble()*
cameraViewport.Dimensions.Y*.75f)).ToMeters(),
linearVelocity:
entities.Player.Body.Wheel.LinearVelocity*
new Vector2(1.5f + (float) InfiniteIsland.Random.NextDouble()/2.5f,
-2*(float) InfiniteIsland.Random.NextDouble()), world: world));
}
else
{
//Launch from the right
_coins.Add(
new Coin(
position:
(cameraViewport.TopRight +
new Vector2(0, (float) InfiniteIsland.Random.NextDouble()*cameraViewport.Dimensions.Y*.75f)).ToMeters(),
linearVelocity:
entities.Player.Body.Wheel.LinearVelocity*
(new Vector2(
x: 1.5f + (float) InfiniteIsland.Random.NextDouble()/2.5f,
y:-2*(float) InfiniteIsland.Random.NextDouble()) - Vector2.UnitX),
world: world));
}
}
}
