Accord.Math.Matrix4x4.CreatePerspective C# (CSharp) Method

        public static Matrix4x4 CreatePerspective(float width, float height, float nearPlaneDistance, float farPlaneDistance)
        {
            if (nearPlaneDistance <= 0)
                throw new ArgumentOutOfRangeException("nearPlaneDistance ", "Near plane distance must be greater than zero.");

            if (farPlaneDistance <= 0)
                throw new ArgumentOutOfRangeException("farPlaneDistance", "Far view plane distance must be greater than zero.");

            if (nearPlaneDistance >= farPlaneDistance)
                throw new ArgumentException("Near plane must be closer than the far plane.", "farPlaneDistance");

            Matrix4x4 m = new Matrix4x4();

            m.V00 = 2.0f * nearPlaneDistance / width;
            m.V11 = 2.0f * nearPlaneDistance / height;
            m.V22 = farPlaneDistance / (nearPlaneDistance - farPlaneDistance);

            m.V32 = -1;
            m.V23 = (nearPlaneDistance * farPlaneDistance) / (nearPlaneDistance - farPlaneDistance);

            return m;
        }