STG Shoot Shape Thing

stg-shoot-shape.cs

private void ShootShape(Vector2 pos, float speedMul, float angle, float sides, float count)
{
    for(float i = 0f; i < sides; i++)
    {
        float a = angle + (i * 360f / sides);
        Vector2 posA = new Vector2(
            pos.X + MathF.Cos(MathHelper.ToRadians(a)),
            pos.Y + MathF.Sin(MathHelper.ToRadians(a)));
        float b = angle + ((i + 1f) * 360f / sides);
        Vector2 posB = new Vector2(
            pos.X + MathF.Cos(MathHelper.ToRadians(b)),
            pos.Y + MathF.Sin(MathHelper.ToRadians(b)));
        float putAngle = MathF.Atan2(posB.Y - posA.Y, posB.X - posA.X);
        float putRadius = MathF.Sqrt(MathF.Pow(posB.X - posA.X, 2f) + MathF.Pow(posB.Y - posA.Y, 2f));

        for (float j = 0f; j < count; j++)
        {
            Vector2 posAdjust = new Vector2(
                posA.X + putRadius / count * j * MathF.Cos(putAngle),
                posA.Y + putRadius / count * j * MathF.Sin(putAngle));
            float actualSpeed = speedMul * MathF.Sqrt(MathF.Pow(posAdjust.X - pos.X, 2f) + MathF.Pow(posAdjust.Y - pos.Y, 2f));
            float actualAngle = MathHelper.ToDegrees(MathF.Atan2(posAdjust.Y - pos.Y, posAdjust.X - pos.X));
            ShotBullet(pos, actualSpeed, actualAngle, 0.1f);
        }
    }
}