//Draw surface
    glBindVertexArray(mSurface->mVAO);
    mvpMatrix = *mPerspectiveMatrix * *mViewMatrix * *(mSurface->getModelMatrix());
    glUniformMatrix4fv( mMVPUniform, 1, GL_FALSE, mvpMatrix.constData());
    glDrawArrays(GL_POINTS, 0, mSurface->mNumberOfVertices);
    checkForGLerrors();