public void AssignColorToObject(SpriteRenderer sprite, colorOfBullet colorType, TrailRenderer trail)
    {
        Gradient trailGradient = new Gradient();

        GradientColorKey[] trailColors = new GradientColorKey[2];
        GradientAlphaKey[] trailAlphas = new GradientAlphaKey[2];

        trailAlphas[0].alpha = .4f;
        trailAlphas[1].alpha = 0f;

        trailColors[0].color = colors[(int)colorType];
        trailColors[1].color = colors[(int)colorType];

        trailGradient.SetKeys(trailColors, trailAlphas);
        trail.colorGradient = trailGradient;
        sprite.color        = colors[(int)colorType];
    }
 public void AssignColorToObject(SpriteRenderer sprite, colorOfBullet colorType)
 {
     sprite.color = colors[(int)colorType];
 }