CrossFire Zero (Closed Beta)

class ESP
    {
        static Material espMaterial;

        public static Material GetLineMaterial()
        {
            if (espMaterial == null)
            {
                //For everyone wondering how I knew which ints I had to set. take a look at this https://docs.unity3d.com/ScriptReference/GL.html
                espMaterial = new Material(Shader.Find("Hidden/Internal-Colored"));
                espMaterial.hideFlags = HideFlags.HideAndDontSave;
                espMaterial.SetInt("_SrcBlend", 5);
                espMaterial.SetInt("_DstBlend", 10);
                espMaterial.SetInt("_Cull", 0);
                espMaterial.SetInt("_ZWrite", 0);
            }
            return espMaterial;
        }

        public static bool IsInScreen(Vector3 pos)
        {
            if (Camera.main != null)
            {
                Vector3 vector = Camera.main.transform.InverseTransformPoint(pos);
                Vector3 vector2 = Camera.main.WorldToScreenPoint(pos);
                if (vector2.x > 0f && vector2.x < (float)Screen.width && vector2.y > 0f && vector2.y < (float)Screen.height && vector.z > 0f)
                {
                    return true;
                }
            }
            return false;
        }

        public static void RenderLines(Vector2 pointA, Vector2 pointB, Color color)
        {
            if (GetLineMaterial() != null)
            {
                GetLineMaterial().SetPass(0);
                GL.Begin(1);
                GL.Color(color);
                GL.Vertex3(pointA.x, pointA.y, 0f);
                GL.Vertex3(pointB.x, pointB.y, 0f);
                GL.End();
            }
        }
    }