76 lines
1.6 KiB
QBasic
76 lines
1.6 KiB
QBasic
5 HGR:HCOLOR=3
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7 HOME
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10 PRINT CHR$(4);"BLOAD GLOBE.HGR,A$2000"
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3000 AN=0.785
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3001 CM=1
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3002 E=3
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3003 EI=270
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3004 EM=1.5*E
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3005 ET=168*E
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3006 T=6
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3007 KM=0.5*T
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3008 FM=4.0*T
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3009 TF=FM
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3010 FL=100
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3011 G=-9.8
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3012 GX=0:GY=-9.8:GA=0
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3013 V=0:VX=0:VY=0
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3014 AX=0:AY=0
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3015 KR=600000
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3016 RX=0:RY=KR+10
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3017 RA=KR
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3018 S=1:TH=1:T=0
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3020 TM=EM+KM+FM+CM
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3021 MT=TM-FM
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3022 DV=EI*G*LOG(TM/MT)
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3025 TW=ET/(TM*-G)
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3030 FR=ET/(EI*-G)
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3035 PRINT "DELTAV=";DV
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3040 PRINT "THRUST/WEIGHT=";TW
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3050 PRINT "FUEL FLOW RATE=";FR
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4000 REM
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4010 FL=FM*100/TF
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4020 IF TH<>1 THEN GOTO 4050
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4025 IF FM<0.1 THEN FM=0:AX=0:AY=0:GOTO 4050
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4030 AX=(ET/TM)*SIN(AN)
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4035 AY=(ET/TM)*COS(AN)
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4037 REM PRINT "ET=";ET;" TM=";TM
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4040 FM=FM-FR
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4045 TM=EM+KM+FM+CM
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4047 GOTO 4060
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4050 REM NOT THRUSTING
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4055 AX=0:AY=0
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4060 GA=ATN(RX/RY)
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4062 REM PRINT "GA=";GA;" AY=";AY
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4065 IF RY<0 THEN GA=GA+3.14
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4070 GY=COS(GA)*G
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4075 GX=SIN(GA)*G
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4080 AY=AY+GY
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4085 AX=AX+GX
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4090 ZX=VX
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4095 ZY=VY
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5000 VY=ZY+AY
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5005 VX=ZX+AX
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5010 V=SQR(VX*VX+VY*VY)
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5012 RY=RY+0.5*(ZY+VY)
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5014 RX=RX+0.5*(ZX+VX)
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5018 RA=SQR(RX*RX+RY*RY)
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5020 IF RA<KR THEN PRINT "CRASH": END
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5030 G=-9.8/((RA/KR)*(RA/KR))
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5031 REM PRINT "-------------------------"
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5032 VTAB 21
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5040 PRINT "TIME: ";T,"STAGE: ";S
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5045 PRINT "ALT: ";INT((RA-KR)/1000);"KM "
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5060 PRINT "VEL: ";INT(V);"M/S","FUEL: ";INT(FL);"% "
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5080 REM PRINT "GRAVANGLE ";GA*180/3.14
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5090 REM PRINT "X: ";RX;" Y: ";RY
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5100 REM PRINT "VX: ";VX;" VY: ";VY
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5110 REM PRINT "ANGLE: ";AN
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5112 REM PRINT "AX: ";AX;"AY: ";AY
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5118 T=T+1
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5120 REM GET A$:IF A$="Q" THEN END
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5130 HX=INT(RX/25000)+140:HY=INT(-RY/25000)+85
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5135 REM CHECK BOUNDS
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5140 HPLOT HX,HY
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5150 GOTO 4000
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