Three dimensional visual simulation is based on the purpose of the simulation, which can reproduce the whole process of the missile attacking target,and provide a visual analysis method for path planning and flight simula-tion of semi physical simulation of laser guided weapon. In this paper, the 3D visual simulation system of missile at-tacking target is established by Vega Prime and creator. The 3D solid model, terrain model, sky, sea surface, snow and collision are established and carried on the optimization. Based on the ballistic trajectory calculation model,the mis-sile trajectory parameters are calculated in real time. The position and attitude of the missile is displayed in real time by the man-machine interactive interface. Visual simulation of missile attacking target is realized.%三维视景仿真依据仿真目的，可实时再现导弹攻击目标的全过程，为激光制导武器半实物仿真的飞行仿真、航迹规划等提供了直观的分析手段。通过Vega prime和Creator建立了导弹攻击目标的三维视景仿真系统中所需的三维实体模型、地形模型、天空、海面、雪地和碰撞等特殊效果并对其进行优化处理。依据导弹弹道解算模型实时解算导弹弹道参数，通过人机交互界面实时显示导弹飞行的位置和姿态，实现了导弹攻击目标的可视化仿真。
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