Basic Chase and Prize Game

[bplus]

it's easy to make multiple stalkers aiming for a hero

Basic Chase and Prize Game: The Sequel

Code: (Select All)

_Title "Basic Chase and Prize Game: The Sequel" ' b+ 2023-03-24, 2023-04-01
Randomize Timer
Type XY
    As Long x, y
End Type
Dim doomer(1 To 5) As XY
Screen _NewImage(640, 480, 32) '80 cols X 30 rows
_ScreenMove 250, 100
Locate 7, 20: Print "*** Basic Chase and Prize Game ***"
Locate 10, 20: Print "H = Hero"
Locate 12, 20: Print "* = Prize"
Locate 14, 20: Print "X = Doom!"
Locate 18, 20: Print "Object: Use NumberPad to Collect prizes,"
Locate 19, 28: Print "don't let Doom come to Hero!"
Locate 25, 20: Print "press any to start...."
Sleep
While _KeyDown(27) = 0
    DoomMoves = 20
    dooms = 1
    HeroX = 40: HeroY = 15
    score = 0
    PrizeX = Int(Rnd * 80) + 1: PrizeY = Int(Rnd * 30) + 1
    doomer(dooms).x = Int(Rnd * 80) + 1: doomer(dooms).y = Int(Rnd * 30) + 1
    Do
        Cls ' screen update
        Locate HeroY, HeroX: Print "H";
        Locate PrizeY, PrizeX: Print "*";
        For i = 1 To dooms
            Locate doomer(i).y, doomer(i).x: Print "X";
        Next
        If HeroX = PrizeX And HeroY = PrizeY Then
            score = score + 1
            PrizeX = Int(Rnd * 80) + 1: PrizeY = Int(Rnd * 30) + 1
            If DoomMoves > 14 Then DoomMoves = DoomMoves - 1
            If dooms < 5 Then dooms = dooms + 1
            For i = 1 To dooms
                doomer(i).x = Int(Rnd * 80) + 1: doomer(i).y = Int(Rnd * 30) + 1
            Next
        Else
            For i = 1 To dooms
                If doomer(i).x = HeroX And doomer(i).y = HeroY Then
                    Locate 15, 33: Print "Game Over ...ZZZ"
                    Beep: _Delay 3: _KeyClear: Sleep: Exit Do
                End If
            Next
        End If
        _Title "Prizes:" + Str$(score)
        kh& = _KeyHit
        Select Case kh& ' top left to bottom right
            Case 55, 18176 ' up and left
                DX = -1: DY = -1
            Case 56, 18432 ' up
                DX = 0: DY = -1
            Case 57, 18688 ' up and right
                DX = 1: DY = -1
            Case 52, 19200 ' left
                DX = -1: DY = 0
            Case 54, 19712 ' right
                DX = 1: DY = 0
            Case 49, 20224 ' left and down
                DX = -1: DY = 1
            Case 50, 20480 ' down
                DX = 0: DY = 1
            Case 51, 20736 ' down and right
                DX = 1: DY = 1
            Case Else
                DX = 0: DY = 0
        End Select
        testX = HeroX + DX: testY = HeroY + DY
        If testX > 0 And testX < 81 And testY > 0 And testY < 31 Then
            HeroX = testX: HeroY = testY
        Else
            Beep
        End If
        lc = lc + 1
        If lc >= DoomMoves Then
            For i = 1 To dooms
                doomer(i).x = doomer(i).x + Sgn(HeroX - doomer(i).x): doomer(i).y = doomer(i).y + Sgn(HeroY - doomer(i).y)
            Next
            lc = 0
        End If
        _Limit 30
    Loop Until _KeyDown(27)
Wend