Mathematica程序碰撞演示(*下面是二维情况*)(*输入部分*)(*起始位置*)weizhi2D={.5,.3};(*框架长*)kuangjia2D={7,6.4};(*最大速度*)sudu2D={.5,.31};(*时间*)shijian2D=0;(*最大时间间隔*)jiange2D=.1;(*程序部分*)hanshu2D={weizhi2D,shijian2D};s2D[v_,t_,k_]:=Floor[Mod[v*t/k,2]]*(2-Mod[v*t/k,2])*k+(1-Floor[Mod[v*t/k,2]])*Mod[v*t/k,2]*k;Framed@DynamicModule[{contents={}},EventHandler[Graphics[{PointSize[0.03],Point[Dynamic[contents=Map[{s2D[sudu2D,#[[2]],kuangjia2D],#[[2]]+jiange2D*Random[]}&,contents];Map[First,contents]]]},PlotRange->{{0,kuangjia2D[[1]]},{0,kuangjia2D[[2]]}},ImageSize->180],{"KeyDown","2"}:>(AppendTo[contents,hanshu2D])]](*下面是三维情况*)(*输入部分*)(*起始位置*)weizhi3D={.5,0,.3};(*框架长*)kuangjia3D={3,8,6};(*速度*)sudu3D={.5,.5,.3};(*时间*)shijian3D=0;(*最大时间间隔*)jiange3D=.5;(*程序部分*)hanshu3D={weizhi3D,shijian3D};s3D[v_,t_,k_]:=Floor[Mod[v*t/k,2]]*(2-Mod[v*t/k,2])*k+(1-Floor[Mod[v*t/k,2]])*Mod[v*t/k,2]*k;Framed@DynamicModule[{contents={}},EventHandler[Graphics3D[{PointSize[0.03],Point[Dynamic[contents=Map[{s3D[sudu3D,#[[2]],kuangjia3D],#[[2]]+jiange3D*Random[]}&,contents];Map[First,contents]]]},PlotRange->{{0,kuangjia3D[[1]]},{0,kuangjia3D[[2]]},{0,kuangjia3D[[3]]}},ImageSize->180],{"KeyDown","3"}:>(AppendTo[contents,hanshu3D])]]
