diff --git a/00_Alternate_Languages/59_Lunar_LEM_Rocket/MiniScript/lunar.ms b/00_Alternate_Languages/59_Lunar_LEM_Rocket/MiniScript/lunar.ms new file mode 100644 index 00000000..e8da8d72 --- /dev/null +++ b/00_Alternate_Languages/59_Lunar_LEM_Rocket/MiniScript/lunar.ms @@ -0,0 +1,114 @@ +print " "*33 + "Lunar" +print " "*15 + "Creative Computing Morristown, New Jersey" +print; print; print +print "This is a computer simulation of an Apollo lunar" +print "landing capsule."; print; print +print "The on-board computer has failed (it was made by" +print "Xerox) so you have to land the capsule manually." + +printCols = function(fields, delimiter=null) + if delimiter == null then delimiter = text.delimiter + line = "" + for s in fields + line += (s + " "*12)[:12] + end for + print line, delimiter +end function + +doOneGame = function + print; print "Set burn rate of retro rockets to any value between" + print "0 (free fall) and 200 (maximum burn) pounds per second." + print "Set new burn rate every 10 seconds."; print + print "Capsule weight 32,500 lbs; fuel weight 16,500 lbs." + print; print; print; print "Good luck" + l = 0 + + print + printCols ["sec","mi + ft","mph","lb fuel","burn rate"] + print + a=120; v = 1; m=33000; n=16500; g=1e-03; z = 1.8 + + formulaSet1 = function // (subroutine 330) + outer.l += s + outer.t -= s + outer.m -= s * k + outer.a = i + outer.v = j + end function + + formulaSet2 = function // (subroutine 420) + outer.q = s * k / m + outer.j = v + g*s + z*(-q-q*q/2-q^3/3-q^4/4-q^5/5) + outer.i = a - g*s*s/2 - v*s+z*s*(q/2+q^2/6+q^3/12+q^4/20+q^5/30) + end function + + formulaSet3 = function // (loop 340-360) + while s >= 5e-3 + outer.d = v + sqrt(v * v + 2 * a * (g - z * k / m)) + outer.s = 2 * a / d + formulaSet2 + formulaSet1 + end while + end function + + while true + printCols [l, floor(a) + " " + floor(5280*(a-floor(a))), 3600*v, m-n], "" + k = input.val + t=10 + shouldExit = false + + while true + if m-n < 1e-03 then break + if t < 1e-03 then break + s = t; if m < n+s*k then s = (m-n)/k + formulaSet2 + if i <= 0 then + formulaSet3 + shouldExit = true + break + end if + if v > 0 and j < 0 then + while v > 0 and j <= 0 + w = (1 - m*g/(z*k))/2 + s = m*v / (z*k*(w + sqrt(w*w + v/z))) + 0.05 + formulaSet2 + if i <= 0 then + formulaSet3 + shouldExit = true + break + end if + formulaSet1 + end while + if shouldExit then break + continue + end if + formulaSet1 + end while + if shouldExit then break + if m-n < 1e-03 then + print "Fuel out at " + round(l) + " seconds" + s = (-v+sqrt(v*v+2*a*g))/g + v = v+g*s; l = l+s + break + end if + end while + + w = 3600*v + print "On moon at " + l + " seconds - impact velocity " + round(w,1) + " mph" + if w <= 1.2 then + print "Perfect landing!" + else if w <= 10 then + print "Good landing (could be better)" + else if w <= 60 then + print "Craft damage... you're stranded here until a rescue" + print "party arrives. Hope you have enough oxygen!" + else + print "Sorry there were no survivors. You blew it!" + print "In fact, you blasted a new lunar crater " + round(w*.227,1) + " feet deep!" + end if +end function + +while true + doOneGame + print; print; print; print "Try again??" +end while