mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-26 12:51:29 -08:00
115 lines
3.2 KiB
Plaintext
115 lines
3.2 KiB
Plaintext
degToRad = function(n)
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return n * pi / 180
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end function
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radToDeg = function(n)
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return n * 180 / pi
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end function
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roundDown = function(n, r)
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return floor(n / r) * r
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end function
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getCoord = function(distance, radX, radZ)
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xc = sin(radZ)*cos(radX)*distance
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yc = sin(radZ)*sin(radX)*distance
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zc = cos(radZ)*distance
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return [xc,yc,zc]
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end function
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distanceBetween = function (d1,d2)
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return ((d1[0]-d2[0])^2 + (d1[1]-d2[1])^2 + (d1[2]-d2[2])^2)^.5
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end function
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coordStr = function(coords)
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return "X = " + round(coords[0]) +
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" Y = " + round(coords[1]) + " Z = " + round(coords[2])
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end function
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print " " * 33 + "TARGET"
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print " " * 15 + "Creative Computing Morristown, New Jersey"
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print; print; print
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print "You are the weapons officer on the Starship Enterprise"
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print "and this is a test to see how accurae a shot you"
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print "are in a 3-dimensional range. You will be told"
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print "the radian offset for the X and Z axes, the location"
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print "of the target in 3-dimensional rectangular coordinates,"
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print "the approximate number of degrees from the X and Z"
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print "axes, and the approximate distance to the target."
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print "You will then proceed to shoot at the target until it is"
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print "destroyed!"
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print; print
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print "Good luck!"
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roundToList = [20,10,2,1]
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ready = true
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while ready
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turns = -1
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radX = rnd * 2 * pi
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radZ = rnd * 2 * pi
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print "Radians from X axis = " + radX + " from Z axis = " + radZ
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distance = 100000 * rnd * rnd
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coords = getCoord(distance, radX, radZ)
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print "Target sighted: Approx Coordinates: " + coordStr(coords)
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gameRunning = true
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while gameRunning
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turns += 1
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if turns >=4 then
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estDistance = distance
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else
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estDistance = roundDown(distance, roundToList[turns])
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end if
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print " Estimated Distance: " + estDistance
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print
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tx = input("Input angle deviation from X in degrees: ").val
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tz = input("Input angle deviation from Z in degrees: ").val
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tdist = input("Input distance: ").val
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print
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if tdist < 20 then
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print "You blew yourself up!!"
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gameRunning = false
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else
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tx = degToRad(tx)
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tz = degToRad(tz)
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print "Radians from X-axis = " + tx + " from Z-axis = " + tz
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targeted = getCoord(tdist, tx,tz)
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distBet = distanceBetween(coords, targeted)
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if distBet > 20 then
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dx = targeted[0] - coords[0]
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dy = targeted[1] - coords[1]
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dz = targeted[2] - coords[2]
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xMsg = {false: "Shot in front of target ", true: "Shot behind target "}
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print xMsg[dx<0] + dx + " kilometers."
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yMsg = {false: "Shot to left of target ", true: "Shot to right of target "}
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print yMsg[dy<0] + dy + " kilometers."
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zMsg = {false: "Shot above target ", true: "Shot below target "}
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print zMsg[dz<0] + dz + " kilometers."
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print "Approx position of explosion: " + coordStr(targeted)
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print " Distance from target = " + distBet
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print
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print
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else
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print
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print " * * * HIT * * * Target is non-functional"
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print
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print "Distance of explosion from target was " + distBet + "kilometers."
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print
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print "Mission accomplished in " + (turns+1) + " shots."
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print
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gameRunning = false
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end if
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end if
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end while
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print
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ans = input("Ready for next target? ").lower
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ready = ans and ans[0].lower == "y"
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print
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end while
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