The volumetricshadows from the particles and insects should all point away from the light source, and helps creating a nice sense of space and perspective.
颗粒和昆虫的体积阴影都应该远离光源，并有助于建立一个很好的空间感和透视。
2
By combining shadow map, shadow volume and ray marching techniques, a new hybrid method is proposed for rendering of volumetricshadows under participating media.