To improve the realistic effect of smoke simulation, a real time smoke shadow simulation algorithm based on direct projection and diffusion is proposed.
为了提高烟雾模拟的真实感，提出了一种基于直接投射扩散的烟雾阴影实时生成算法。
2
In this paper, we acguired a way of seeking shade and shadow of spheric surface in orthographic axonometric projection drawing by means of changing axonometric projection.
文章论述了如何用变换轴测投影的方法求圆球正轴测图的阴影。
3
Binary image is filtered by utilizing morphological filter. Then, using the information of stone shadow and projection transform, detection and position of stone is utilized in part environment.