one-liner.py

import os;import math;from time import sleep;mS=lambda w,h,c:[[c]*w for _ in range(h)];cl=lambda:os.system('clear||cls');rS=lambda s:cl()or print('\n'.join([''.join(r)for r in s]));dL=lambda sc,p1,p2,c,co:((dx:=p2[0]-p1[0])or True)and((dy:=p2[1]-p1[1])or True)and((st:=max(abs(dx),abs(dy)))or True)and((dx:=dx/st)or True)and((dy:=dy/st)or True)and((x:=p1[0])or True)and((y:=p1[1])or True)and([((sc[int(y)].insert(int(x),'\033[0;'+str(co+30)+';40m'+c+'\033[0;0m'))or True)and((sc[int(y)].pop(int(x)+1))or True)and((x:=x+dx)or True)and((y:=y+dy)or True)for i in range(0,int(st)+1)]or True);eC='█';bc=' ';size=os.get_terminal_size();w=size.columns;h=size.lines;l=lambda t:((sc:=mS(w,h,bc))or True)and((c:=[int(w/2),int(h/2)])or True)and((r:=10)or True)and((s:=2.5)or True)and((d:=10)or True)and((p1:=[math.cos(t)*r+c[0],math.sin(t)*r/s+d/2+c[1]])or True)and((p2:=[math.cos(t+math.pi/2)*r+c[0],math.sin(t+math.pi/2)*r/s+d/2+c[1]])or True)and((p3:=[math.cos(t+math.pi)*r+c[0],math.sin(t+math.pi)*r/s+d/2+c[1]])or True)and((p4:=[math.cos(t+3*math.pi/2)*r+c[0],math.sin(t+3*math.pi/2)*r/s+d/2+c[1]])or True)and((p5:=p1.copy())or True)and((p6:=p2.copy())or True)and((p7:= p3.copy())or True)and((p8:=p4.copy())or True)and(p5.append(p5[1]-d)or True)and(p5.pop(1)or True)and(p6.append(p6[1]-d)or True)and(p6.pop(1)or True)and(p7.append(p7[1]-d)or True)and(p7.pop(1)or True)and(p8.append(p8[1]-d)or True)and(p8.pop(1)or True)and(dL(sc,p1,p2,eC,1)or True)and(dL(sc,p2,p3,eC,2)or True)and(dL(sc,p3,p4,eC,3)or True)and(dL(sc,p4,p1,eC,4)or True)and(dL(sc,p1,p5,eC,1)or True)and(dL(sc,p2,p6,eC,2)or True)and(dL(sc,p3,p7,eC,3)or True)and(dL(sc,p4,p8,eC,4)or True)and(dL(sc,p5,p6,eC,1)or True)and(dL(sc,p6,p7,eC,2)or True)and(dL(sc,p7,p8,eC,3)or True)and(dL(sc,p8,p5,eC,4)or True)and(sleep(0.15)or True)and(rS(sc)or True)and(l(t+0.1)or True);l(0)