CollisionIgnoreGroup aseelle

using Jypeli;
using Jypeli.Assets;

public class CollisionIgnoreGroupTest : PhysicsGame
{
    public override void Begin()
    {
        const int speed = 500;
        const int jumpSpeed = 1000;
        const int maxBaddies = 10;

        Gravity = -1000 * Vector.UnitY;
        Level.CreateBottomBorder();

        var player = new PlatformCharacter(50, 50)
        {
            CollisionIgnoreGroup = 1, // Pelaajalla sama CIG kuin vihulla, mutta ei aseella => ammuksien pitäisi osua viholliseen
            CanRotate = false,
            Weapon = new AssaultRifle(40, 30)
            {
                CanHitOwner = false,
                ProjectileCollision = (ammo, other) =>
                {
                    if (other.Tag.ToString() == "bad")
                        other.Destroy();
                    ammo.Destroy();
                }
            }
        };
        Add(player);
        Camera.Follow(player);

        for (var i = 0; i < maxBaddies; i++)
            Add(new PhysicsObject(30, 50)
            {
                Color = Color.Blue,
                CollisionIgnoreGroup = 1,  // Pelaajalla sama CIG kuin vihulla, mutta ei aseella => ammuksien pitäisi osua viholliseen
                X = RandomGen.NextDouble(Level.Left, Level.Right),
                CanRotate = false,
                Tag = "bad"
            });

        Keyboard.Listen(Key.Escape, ButtonState.Pressed, Exit, "Exit game");
        Keyboard.Listen(Key.A, ButtonState.Down,
                        () => player.Move(-speed * Vector.UnitX), "Move Left");
        Keyboard.Listen(Key.D, ButtonState.Down,
                        () => player.Move(speed * Vector.UnitX), "Move Right");
        Keyboard.Listen(Key.W, ButtonState.Pressed,
                        () => player.Jump(jumpSpeed), "Move Right");
        Keyboard.Listen(Key.Space, ButtonState.Down, () =>
        {
            var proj = player.Weapon.Shoot();
            if (proj != null)
            {
                //proj.CollisionIgnoreGroup = 0; // Resetoi sekä ammuksen ETTÄ pelaajan CIG => pelaaja alkaa törmäillä vihuihin
                Add(proj);
            }
        }, "Move Right");
    }
}