private static bool Collision(Position bullet, Position enemy)
{
if (bullet == null || enemy == null) return false;
var bulletBounding = new RectangleF(new PointF(bullet.X, bullet.Y), new SizeF(1.5f, 1.5f));
var enemyBounding = new RectangleF(new PointF(enemy.X - 32, enemy.Y - 32), new SizeF(64, 64));
return bulletBounding.IntersectsWith(enemyBounding);
}
private void Rotate(double dt, Position moveable)
{
var left = _keyboard.IsKeyDown(Keys.Left);
var right = _keyboard.IsKeyDown(Keys.Right);
var zRotMult = _keyboard.IsKeyDown(Keys.Left) ? -1 :
_keyboard.IsKeyDown(Keys.Right) ? 1 :
0;
moveable.ZRot += (float)(zRotMult * Math.PI * dt);
}
public static Entity Create(EntityManager manager, Position position)
{
var bullet = manager.CreateEntity();
Vector3 velocity = new Vector3(0, 600, 0);
Matrix4 rotation;
Matrix4.Rotation(position.XRot, position.YRot, position.ZRot, out rotation);
Matrix4.Multiply(ref rotation, ref velocity, out velocity);
bullet.AddComponent(new Model(new[] {
new Vector3(-1, 1, 0), new Vector3(1, 1, 0), new Vector3(1, -1, 0), new Vector3(-1, -1, 0)
}, new[] {
0, 1, 2, 3
}, 1.5f));
bullet.AddComponent(new Expiration() { MaxLifetime = 1 });
bullet.AddComponent(new Position()
{
X = position.X,
Y = position.Y,
Z = position.Z,
Velocity = velocity
});
bullet.AddComponent(new Bullet() { Damage = 0.5f });
return bullet;
}