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Post by Gordon on Sept 3, 2018 15:37:17 GMT -5
'Lander program for RunBASIC aug 2018 adapted from 'Lander mod 2.txt for JB v2 B+ 2018-05-29 'Lander by Carl mod Rod mod B+.bas for JB v2 started 2018-05-26 'from Rod's mod of 'written by Carl Gundel 'carlg@world.std.com 'Needs at least Liberty BASIC v2.0 ???? 'This file is contributed to the public domain
'Use the left or right arrows on screen to rotate left or right 'Use the up arrows to increase thrust
'You must make a VERY gentle and level landing 'on one of the flat areas! [start]
call setCSS
xmax = 800 ymax = 600
pi = acs(-1) d2r = pi/180
'fuel = 500 Gfuel = 250 :Yfuel = 125 :Rfuel = 125 tG = 130 : tG$=str$(130) :hG$ =str$(250) tY = 380 : tY$=str$(380) :hY$ =str$(125) tR = 505 : tR$=str$(505) :hR$ =str$(125) lzx1 =120: lzx2 = 305 :lzy = 555 '(555-40+30)
'vda is vehicle degree angle = orientation of the vehicle, mainly it's thrusters vda = 4 'the vehicle is traveling right across screen due East = 0 degrees = 0 Radians speed = 3 'this is the speed the vehicle is moving in the vda direction vx = 65 'this is current x position of vehicle 50 pixels from left side vy = 45 'this is current y position of vehicle 10 pixels down from top of screen
'd stands for delta with stands for change dx = change in x, dy = change in y 'dg is change due to gravity (vertical) 'dat is change of acceleration due to thrust dx = speed * cos(d2r * (360-vda*22.5)) 'this is the horizontal x change on screen due to speed and angle dy = (0-speed) * sin(d2r * (360-vda*22.5)) 'this is the vertical y change on screen due to speed and angle 'LBx = r * cos(d2r * (360-vda)) 'LBy = 0-r * sin(d2r * (360-vda))
dg = .1 'this is the constant acceleration gravity applies to the vehicle (was .1) dat = 2 'this is burst of acceleration a thrust or reverse thrust will apply to speed and angle
gosub [mars] gosub [imgbut] gosub [fuel] 'wait
link #timer, "", [timer] Call TimeoutLink 500, "#timer" wait
[timer]
gosub [mars]
'vehicle falls faster and faster, because gravity effects the vertical speed dy = dy + dg 'speed up falling due to gravity acceleration
'new position = last position plus the horizontal and vertical changes from momentum vx = vx + dx vy = vy + dy
if vx < 10 or vx > xmax - 10 or vy < 10 then crash$ = "Lander out of control ! !":goto [NoControl] end if
if vy <= lzy - 4 and Rfuel > 0 then goto [fuelOk] else crash$ = "" if vda <> 4 then crash$ = "Vehicle not upright. "+chr$(13) if dy > 4 then crash$ = crash$ + "Came down too fast. "+chr$(13) if dx > 4 then crash$ = crash$ + "Still moving horizontally too fast. "+chr$(13) if Rfuel <= 0 then crash$ = crash$ + "Ran out of fuel. " if vx < lzx1 or vx > lzx2 then crash$ = crash$ + "Did not land on level site. " if crash$ <> "" then cause$ = "You crashed!" + chr$(13) + crash$ crash$ = cause$ :goto [NoControl] else crash$ = "Successful landing!" ':goto [NoControl] goto [reconfirm] end if end if
gosub [lander] gosub [imgbut] gosub [fuel] wait
[control] gosub [mars] if EventKey$ = "#R10" and vx<780 then vda = vda + 1 if vda = 16 then vda = 0 fuelUsed = 10 end if if EventKey$ = "#L10" and vx>20 then vda = vda - 1 if vda = -1 then vda = 15 fuelUsed = 10 end if
if EventKey$ = "#U10" and vy>20 then fuelUsed = 10
if EventKey$ = "#U8" and vy>20 then fuelUsed = 8 if EventKey$ = "#U6" and vy>20 then fuelUsed = 6 if EventKey$ = "#U4" and vy>20 then fuelUsed = 4 if EventKey$ = "#U2" and vy>20 then fuelUsed = 2
'here is the vertical and horizontal change from a burst of fuel for thrust thrustx = dat * cos(d2r * (360-vda*22.5)) '* cos(d2r * vda*22.5 + pi) thrusty = 0-dat * sin(d2r * (360-vda*22.5)) '* sin(d2r * vda*22.5 + pi)
'LBx = r * cos(d2r * (360-vda)) 'LBy = 0-r * sin(d2r * (360-vda)) thrustx = 0-thrustx thrusty = 0-thrusty
'now change the horizontal and vertical momentums from the thrust dx = dx + thrustx dy = dy + thrusty
'update the position vx = vx + dx vy = vy + dy
'fuelUsed = val(a$) [Gfuel] if Gfuel = 0 then goto [Yfuel] if fuelUsed > Gfuel then hG$ =str$(0):tG = tY : tG$ = str$(tG):fuelUsed =abs(fuelUsed-Gfuel) Gfuel = 0 : goto [Yfuel] end if Gfuel = Gfuel - fuelUsed hG$ =str$(Gfuel):tG = tG + fuelUsed :tG$ = str$(tG) goto [fuelOk]
[Yfuel] if Yfuel = 0 then goto [Rfuel] if fuelUsed > Yfuel then hY$ =str$(0):tY = tR : tY$ = str$(tR):fuelUsed =abs(fuelUsed-Yfuel) Yfuel = 0 : goto [Rfuel] end if Yfuel = Yfuel - fuelUsed hY$ =str$(Yfuel):tY = tY + fuelUsed :tY$ = str$(tY) goto [fuelOk]
[Rfuel] if Rfuel <= 0 then hR$ = "0": tR$ = "505": goto [noFuel] if Rfuel > 0 then Rfuel = Rfuel - fuelUsed hR$ =str$(Rfuel):tR = tR + fuelUsed :tR$ = str$(tR) goto [fuelOk] wait
[fuelOk] gosub [mars] gosub [lander] gosub [imgbut] gosub [fuel] wait
[noFuel] wait
[NoControl] [reconfirm] cls loadimage "warn1","public\raket\marsland.png" graphic #txt1, 800, 600 #txt1 drawimage("warn1",10,10) #txt1 color("black") #txt1 place(250,250) #txt1 font("times",20) #txt1 "\";crash$ '#txt1 "\ dy = ";dy '#txt1 "\ vy = ";vy
div reconf imagebutton #start,"\raket\startbutt1.gif",[start] end div
render #txt1 wait
'------------------------------------------
[mars] html "<img src='/raket/marsland.jpg' style=' width:800px; height:600px; position:absolute; left:20px; top:30px'>" RETURN
[lander] img$ = "lem"+str$(vda)+".gif" :tp$ = " top:"+str$(vy)+"px;" :lp$ = " left:"+str$(vx)+"px;" html "<img src='/raket/"+img$+"' style=' width:40px; height:40px; position:absolute;"+lp$+tp$+ "'>" RETURN
[fuel] html "<img src='/raket/fuelG0.jpg' style=' width:10px; height:"+hG$+"px; position:absolute; top:"+tG$+"px;left:58px;'>" html "<img src='/raket/fuelY0.jpg' style=' width:10px; height:"+hY$+"px; position:absolute; top:"+tY$+"px;left:58px;'>" html "<img src='/raket/fuelR0.jpg' style=' width:10px; height:"+hR$+"px; position:absolute; top:"+tR$+"px;left:58px;'>" RETURN
[imgbut] div nav1 imagebutton #L10, "\raket\CC.gif",[control] 'pijlL.gif", [control] end div div nav2 imagebutton #R10, "\raket\CW.gif",[control] 'pijlR.gif", [control] end div div U10 imagebutton #U10, "\raket\U10.gif", [control] end div div U8 imagebutton #U08, "\raket\U8.gif", [control] end div div U6 imagebutton #U06, "\raket\U6.gif", [control] end div div U4 imagebutton #U04, "\raket\U4.gif", [control] end div div U2 imagebutton #U02, "\raket\U2.gif", [control] end div RETURN
Sub TimeoutLink msec, linkId$ html " <script type=""text/javascript""> <!-- var a = document.getElementById('"+linkId$+"'); if (a) window.setTimeout('window.location = a.href', "+Str$(msec)+"); //--> </script>" End Sub
Sub setCSS cssid #mainBG,"{position:absolute; left:50px ; top:180px;}" cssid #nav1, "{position:absolute; left:620px; top:520px;}" cssid #nav2, "{position:absolute; left:720px; top:520px;}" cssid #U10, "{position:absolute; left:670px; top:472px;}" cssid #U8, "{position:absolute; left:685px; top:427px;}" cssid #U6, "{position:absolute; left:688px; top:392px;}" cssid #U4, "{position:absolute; left:690px; top:362px;}" cssid #U2, "{position:absolute; left:692px; top:337px;}" cssid #reconf,"{position:absolute; left:360px; top:430px;}" end sub
wait '#R setid("Ibutton1")
wait
'pi = acs(-1) 'd2r = pi/180 '[start] X1,Y1 105,554 and X2,Y2 315,555 'print MouseX,MouseY 'input vda 'r = 20 'dx = r * cos(d2r * vda) 'dy = r * sin(d2r * vda) 'LBx = r * cos(d2r * (360-vda)) 'LBy = 0-r * sin(d2r * (360-vda))
'print "dx ";dx;" LBx = ";LBx 'print "dy ";dy;" LBy = ";LBy
'goto [start]
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Post by Gordon on Sept 7, 2018 15:42:21 GMT -5
To retrieve the pictures:
startbutt1.gif (63X63)
lem 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 gif (50X50)
marsland.jpg (800X600)
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