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Randomly pick 1/3 box sprites as a trigger

  • I have 3 sprites at start of layout - called 'box' - 32x32 in size.

    system = create object box on layout 0 at (16,17)

    system = create object box on layout 0 at (box+32,17)

    system = create object box on layout 0 at (box+32,17)

    I'm trying to randomly nominate 1 of 3 boxes to be a trap door. so if 'platform' player collides, the trigger will spring.

    I've tried 'Pick a random box instance' with another object, but it just ain't working out.

    poor example - sorry

    ____ ____ ____

    | | | | |x |

    ----- ------- ------

    Does this make sense?

    I'd appreciate all the help I can get.

    Roberto

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  • something like this some work.

    system = create object box on layout 0 at (16,17), set instance variable = 1

    system = create object box on layout 0 at (box+32,17), set instance variable = 2

    system = create object box on layout 0 at (box+32,17), set instance variable = 3

    on start of layout(or whatever) >>> set global variable to floor(random(1,4))

    then system pick by comparison to select the block that has the same instance variable as the random global.

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