ShaderInterpreter.Shader.mul C# (CSharp) Method

        public float4 mul( float4 a, float4x4 b )
        {
            return new float4(
                a.x * b.m[0,0] + a.y * b.m[1,0] + a.z * b.m[2,0] + a.w * b.m[3,0],
                a.x * b.m[0,1] + a.y * b.m[1,1] + a.z * b.m[2,1] + a.w * b.m[3,1],
                a.x * b.m[0,2] + a.y * b.m[1,2] + a.z * b.m[2,2] + a.w * b.m[3,2],
                a.x * b.m[0,3] + a.y * b.m[1,3] + a.z * b.m[2,3] + a.w * b.m[3,3]
                );
        }