基于DirectDraw及粒子系统的飞机水汽尾迹仿真算法研究  

Study on Simulation Arithmetic of Plane Vapor Wake Based on DirectDraw and Particle System

作　　者：宋发兴 许俊奎 郭健 

机构地区：[1]63898部队

出　　处：《现代电子技术》2008年第4期145-146,共2页Modern Electronics Technique

摘　　要：利用粒子系统的基本原理。将飞机水汽尾迹定义为一系列具有生命周期的不规则、随机分布的粒子,给出相应的动力学模型和算法,实现飞机水汽尾迹的仿真。针对仿真过程中色彩转换相对困难的问题,采用查询预先存储的RGB颜色分量的各级强度值的方式,结合DirectDraw的换页技术,加快了算法的运行速度。To realize the simulation effect of plane vapor wake,this paper defines it as a series of anomalous and random distributing particle with lifecycle based on the basic principle of particle system, presents corresponding dynamics model and arithmetic. To resolve the problem of color transformation in simulation process, this paper improves the speed of arithmetic by the way of query all level intensity of RGB color quantity stored in advance and in the terms of DirectDraw page flipping.

关 键 词：粒子系统 水汽尾迹 算法 换页技术 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]