ti
i
tj
switchkey
caseLEFT
ifstep_x10
break
else
foristep_x1jstep_yi1i
ifboxij0
draw_circlestep_xstep_yLIGHTBLUE
break
ifi1break
step_xi
judgewhostep_xstep_y
break
f
caseRIGHT
ifstep_x118
break
else
foristep_x1jstep_yi18i
ifboxij0
draw_circlestep_xstep_yLIGHTBLUE
break
ifi18break
step_xi
judgewhostep_xstep_y
break
caseDOWN
ifstep_y118
break
else
foristep_xjstep_y1j18j
ifboxij0
draw_circlestep_xstep_yLIGHTBLUE
break
ifj18break
step_yj
judgewhostep_xstep_y
break
caseUP
ifstep_y10
break
else
foristep_xjstep_y1j1j
ifboxij0
draw_circlestep_xstep_yLIGHTBLUE
break
fifj1break
step_yj
judgewhostep_xstep_y
break
caseESC
break
caseSPACE
ifstep_x1step_x18step_y1step_y18
ifboxstep_xstep_y0
boxstep_xstep_yflag
ifflag1
draw_slicestep_xstep_yBLUE
else
draw_slicestep_xstep_yWHITE
ifjudgeresultstep_xstep_y1
sou
d1000
delay1000
osou
d
gotoxy304
ifflag1
setbkcolorBLUE
cleardevice
setviewport1001005403801
setfillstyle12
setcolorYELLOW
recta
gle00439279
floodfill505014
setcolor12
settextstyle105
outtextxy2020