模拟圆管焊接时的移动热源，热源模型为双椭球热源，运动轨迹为环形-Simulated moving heat source pipe welding heat source model for the double ellipsoid heat source, an annular trajectory

运用GUI界面设计，设计小球运动轨迹模型，有开始，暂停，反向运动，退出等功能......音乐文件的读取(Using GUI interface design, the design of small ball trajectory model, there are start, pause, reverse movement, exit and other functions....Reading music files)