public void Update(float delta)
{
Velocity = Velocity + Vector2.down * delta * 0.001f;
var move = Box.Move(delta * Velocity + Box.Bounds.Position, Response.Slide);
// Testing if on ground
if (move.Hits.Any((c) => (c.Normal.Y < 0)))
{
Velocity = Velocity * new Vector2(1, -1);
}
// Testing if on wall
if (move.Hits.Any((c) => (Math.Abs(c.Normal.X) > Constants.Threshold)))
{
Velocity = Velocity * new Vector2(-1, 1);
}
}
private void UpdatePlayer(Box player, float delta, Keys left, Keys up, Keys right, Keys down)
{
_velocity.Y += delta * 0.001f;
_velocity.X = 0;
var k = Keyboard.GetState();
if (k.IsKeyDown(right))
{
_velocity.X += 0.1f;
}
if (k.IsKeyDown(left))
{
_velocity.X -= 0.1f;
}
if (_state.IsKeyUp(up) && k.IsKeyDown(up))
{
_velocity.Y -= 0.5f;
}
if (_onPlatform)
{
_velocity += _platformVelocity;
}
if (_timeInRed > 0)
{
_velocity.Y *= 0.75f;
}
// Moving player
var move = player.Move(player.Bounds.Position + delta * _velocity, (collision) =>
{
if (collision.Other.HasTag(Tags.Group3))
{
return(Response.Cross(collision));
}
return(Response.Slide(collision));
});
// Testing if on moving platform
_onPlatform = move.Hits.Any((c) => c.Box.HasTag(Tags.Group4));
// Testing if on ground
if (move.Hits.Any((c) => c.Box.HasTag(Tags.Group4, Tags.Group2, Tags.Group5) && (c.Normal.Y < 0)))
{
_velocity.Y = 0;
}
var pushedCrateCollision = move.Hits.FirstOrDefault((c) => c.Box.HasTag(Tags.Group5));
if (pushedCrateCollision.IsHit)
{
var pushedCrate = pushedCrateCollision.Box.Data as Crate;
var n = pushedCrateCollision.Normal;
pushedCrate.Velocity = new Vector2(n.X * n.X, n.Y * n.Y) * _velocity;
}
// Testing if in red water
if (move.Hits.Any((c) => c.Box.HasTag(Tags.Group3)))
{
_timeInRed += delta;
if (_timeInRed > 3000)
{
SpawnPlayer();
}
}
else
{
_timeInRed = 0;
}
player.Data = _velocity;
_state = k;
}
public Particle(Box box)
{
Box = box;
Velocity = new Vector2((float)Random.NextDouble() * 0.1f, 0);
}
public void Update(GameTime time)
{
var state = Keyboard.GetState();
if (_previous.IsKeyUp(Keys.N) && state.IsKeyDown(Keys.N))
{
_moveDestination = !_moveDestination;
_selected.Position = (_moveDestination ? _goal.Position : _origin.Position) - _selected.Size / 2;
}
if (_previous.IsKeyUp(Keys.R) && state.IsKeyDown(Keys.R))
{
_response = (_response + 1) % _values.Length;
}
_previous = state;
_isMoving = state.IsKeyDown(Keys.Space);
var m = Mouse.GetState().Position;
m.Y = _height - m.Y;
var pos = new Vector2(m.X, m.Y);
var size = _isMoving ? 18 : 6;
_cursor = new Rect(m.X - size / 2, m.Y - size / 2, size, size);
if (_isMoving)
{
_selected.Position = pos - _selected.Size / 2;
if (_moveDestination)
{
_goal.Position = pos;
}
else
{
_origin.Position = pos;
}
}
// Calculate collision
var hit = Hit.Resolve(_origin, _goal, _other);
var r = _values[_response];
if (hit.IsHit && r != CollisionResponses.None)
{
_collision = new Rect(hit.Position, _origin.Size);
_normal = new Rect(_collision.Center + hit.Normal * 50, new Vector2(5, 5));
// Destination
var collisionPoint = new Collision()
{
Origin = _origin,
Goal = _goal,
Hit = hit,
};
switch (r)
{
case CollisionResponses.None:
break;
case CollisionResponses.Touch:
_destination = Response.Touch(collisionPoint).Value;
break;
case CollisionResponses.Cross:
_destination = Response.Cross(collisionPoint).Value;
break;
case CollisionResponses.Slide:
_destination = Response.Slide(collisionPoint).Value;
break;
case CollisionResponses.Bounce:
_destination = Response.Bounce(collisionPoint).Value;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
_collision = new Rect();
_normal = new Rect();
_destination = _goal;
}
}