private void UpdateInput(EngineTime time)
{
var direction = Vector2.Zero;
if (this.Engine.Keyboard.State.IsKeyDown(Keys.A))
{
direction -= Vector2.UnitX;
}
if (this.Engine.Keyboard.State.IsKeyDown(Keys.D))
{
direction += Vector2.UnitX;
}
if (this.Engine.Keyboard.State.IsKeyDown(Keys.W))
{
direction += Vector2.UnitY;
}
if (this.Engine.Keyboard.State.IsKeyDown(Keys.S))
{
direction -= Vector2.UnitY;
}
if (direction != Vector2.Zero)
{
direction.Normalize();
}
var attributes = new RobotTraits();
powerups.RemoveAll((x) => x.ShouldRemove);
foreach (var powerup in powerups)
{
powerup.Process(attributes);
}
direction *= attributes.AccelerationRate;
this.body.LinearVelocity += direction * MaxLinearAcceleration * time.Elapsed;
}
public void Process(RobotTraits robot)
{
robot.AccelerationRate *= 2f;
}
