dos33fsprogs/glados3.3/portal.bas

10 HOME:HGR
11 POKE 232,0:POKE 233,16
12 PRINT CHR$(4)+"BLOAD OBJECTS.SHAPE,A$1000"
15 GOSUB 1000
20 CX=99:CY=100:VY=0
25 XDRAW 2 AT CX,CY-7
30 HCOLOR=5:REM ORANGE
'35 HPLOT CX,CY-7 TO CX,CY+7
' ERASE OLD COPY
'35 XDRAW 2 AT CX,CY-7
35 OX=CX:OY=CY
37 IF PEEK(-16384)<128 THEN GOTO 50
40 GET A$
45 IF A$="D" THEN CX=CX+2
46 IF A$="A" THEN CX=CX-2
47 IF A$="Q" THEN GOTO 800
48 IF A$=" " THEN VY=5
50 HCOLOR=0
'53 HPLOT CX,CY-7 TO CX,CY+7
' PHYSICS ENGINE
100 CY=CY-VY
105 VY=VY-4.5
' COLLISION DETECTION
200 IF CX<7 THEN CX=7
205 IF CX>271 THEN CX=271
210 IF CY<7 THEN CY=7:VY=-VY
' DETECT THE FLOOR
220 IF CX < 119 AND CY > 112 THEN CY=112:VY=0
225 IF CX > 161 AND CY > 112 THEN CY=112:VY=0
230 IF CX > 119 AND CX < 161 AND CY>140 THEN GOTO 800
240 REM
' DRAW AT UPDATE CO-ORDS
245 IF OX=CX AND OY=CY GOTO 500
250 XDRAW 2 AT OX,OY-7
251 XDRAW 2 AT CX,CY-7
500 GOTO 30
'
800 REM DEAD
805 VTAB 21:PRINT "YOU DIED!":PRINT "TRY AGAIN? (Y/N) ";
810 GET A$
815 IF A$="Y" THEN GOTO 10
820 IF A$="N" THEN GOTO 999
830 GOTO 810
'
999 END
1000 REM LEVEL 1
' FLOOR
1005 HCOLOR=3
1010 HPLOT 0,120 TO 112,120 TO 112,159 TO 168,159 TO 168,120 TO 279,120
' "WATER"
1015 HCOLOR=1
1020 FOR I=113 TO 167:HPLOT I,130 TO I,158:NEXT I
' PLATFORM
1030 HCOLOR=2:FOR I=230 TO 279:HPLOT I,50 TO I,56:NEXT I
' SENTRY
1035 HCOLOR=3:HPLOT 242,40 TO 242,46:HPLOT 243,40 TO 243,46:HPLOT 247,40 TO 247,46:HPLOT 248,40 TO 248,46
1037 HPLOT 243,39 TO 247,39:HPLOT 242,46 TO 248,46
1038 HPLOT 240,47 TO 241,47:HPLOT 239,48 TO 240,48:HPLOT 239,49 TO 240,49
1039 HPLOT 249,47 TO 250,47:HPLOT 250,48 TO 251,48:HPLOT 250,49 TO 251,49
1040 HCOLOR=5:HPLOT 244,41 TO 245,41:HPLOT 244,43 TO 245,43
' LASER
1042 HPLOT 0,42 TO 240,42
1050 RETURN