Worlds || A Scrolling platformer 

Instructions: Heyo! This is a platformer! As usual, you control the player using ↑ ← →, or tap to control the player on mobile! \n

@Stage\n\n@spikes\n\nwhen I receive [green flag v]\ngo to [back v] layer\nhide\n\nwhen I receive [tick v]\nPosition ((x) - (scrollx)) ((y) - (scrolly))\n\nwhen I receive [setip v]\nhide\nset [x v] to [0]\nset [y v] to [0]\nif <(LEVEL) = [1]> then\n    switch costume to (level 1-1 v)\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\nend\n\ndefine Position (x) (y)\ngo to x: (x) y: (y)\nif <<(x) = (x position)> and <(y) = (y position)>> then\n    show\nelse\n    hide\nend\n\nwhen I receive [reset v]\ndelete this clone\n\ndefine Clone at x: (x) y: (y)\ncreate clone of (_myself_ v)\nchange [x v] by (x)\nchange [y v] by (y)\nnext costume\n\nwhen I receive [end v]\nforever\n    hide\n    delete this clone\nend\n\nwhen flag clicked\nset [level v] to [1]\n\n@Sprite1\n\nwhen flag clicked\nswitch costume to (costume1 v)\nhide\n\n@thumbnail\n\nwhen [timer v] > (0.01)\nshow\nbroadcast (stop button v)\n\nwhen flag clicked\nhide\ngo to x: (0) y: (0)\nforever\n    go to x: (0) y: (0)\n    reset timer\n    hide\nend\n\nwhen flag clicked\nhide\ngo to x: (0) y: (0)\nforever\n    show\n    go to [front v] layer\n    set [ghost v] effect to (100)\n    hide\n    go to x: (0) y: (0)\nend\n\n@decoration\n\nwhen I receive [green flag v]\ngo to [back v] layer\nhide\nset [ghost v] effect to (30)\n\nwhen I receive [tick v]\nPosition ((x) - (scrollx)) ((y) - (scrolly))\n\nwhen I receive [setip v]\nhide\nset [x v] to [0]\nset [y v] to [0]\nif <(LEVEL) = [1]> then\n    switch costume to (costume1 v)\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\nend\n\ndefine Position (x) (y)\ngo to x: (x) y: (y)\nif <<(x) = (x position)> and <(y) = (y position)>> then\n    show\nelse\n    hide\nend\n\nwhen I receive [reset v]\ndelete this clone\n\ndefine Clone at x: (x) y: (y)\ncreate clone of (_myself_ v)\nchange [x v] by (x)\nchange [y v] by (y)\nnext costume\n\nwhen I receive [end v]\nforever\n    hide\n    delete this clone\nend\n\nwhen flag clicked\nstart sound [TheFatRat - Time Lapse v]\nstart sound [TheFatRat - Time Lapse v]\nstart sound [TheFatRat - Time Lapse v]\nstart sound [TheFatRat - Time Lapse v]\n\nwhen flag clicked\nset [level v] to [1]\n\n@Platforms\n\nwhen I receive [green flag v]\ngo to [front v] layer\nhide\n\nwhen I receive [tick v]\nPosition ((x) - (scrollx)) ((y) - (scrolly))\n\nwhen I receive [setip v]\nhide\nset [x v] to [0]\nset [y v] to [0]\nif <(LEVEL) = [1]> then\n    switch costume to (level 1-1 v)\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\n    Clone at x: [480] y: [0]\nend\n\ndefine Position (x) (y)\ngo to x: (x) y: (y)\nif <<(x) = (x position)> and <(y) = (y position)>> then\n    show\nelse\n    hide\nend\n\nwhen I receive [reset v]\ndelete this clone\n\ndefine Clone at x: (x) y: (y)\ncreate clone of (_myself_ v)\nchange [x v] by (x)\nchange [y v] by (y)\nnext costume\n\nwhen flag clicked\nset [level v] to [1]\n\n@Player\n\nwhen flag clicked\nbroadcast (Green Flag v) and wait\nbroadcast (Play Game v) and wait\nshow\n\nwhen I receive [green flag v]\nhide\ngo to [front v] layer\n\nwhen I receive [play game v]\nforever\n    broadcast (Reset v) and wait\n    broadcast (Setip v) and wait\n    Game on\n    repeat until <(EXIT) > []>\n        Tick\n        broadcast (Tick v)\n    end\n    if <(EXIT) = [Win]> then\n        Game - Win\n    else\n        Game - Die\n    end\nend\n\ndefine Game on\nset [x v] to [0]\nset [y v] to [0]\nset [speed y v] to [0]\nset [speed x v] to [0]\nset [in air v] to [0]\nset [exit v] to []\nset [scrollx v] to [0]\nset [scrolly v] to [0]\nset size to (30) %\nclear graphic effects\nshow\n\ndefine Tick\nif <<key (left arrow v) pressed?> or <<mouse down?> and <(mouse x) < (x position)>>> then\n    change [speed x v] by (-2)\n    point in direction (-90)\nend\nif <<key (right arrow v) pressed?> or <<mouse down?> and <(mouse x) > (x position)>>> then\n    change [speed x v] by (2)\n    point in direction (90)\nend\nset [speed x v] to ((Speed x) * (0.8))\nif <([abs v] of (Speed x) ) > [0.9]> then\n    Change player x by (round (Speed x))\nend\nif <<key (up arrow v) pressed?> or <<mouse down?> and <(mouse y) > (y position)>>> then\n    if <(in air) < [4]> then\n        set [speed y v] to [16]\n    end\nend\nif <(Speed y) > [-20]> then\n    change [speed y v] by (-2)\nend\nChange player y by (Speed y)\nTest - Die\nset [scrollx v] to (x)\nif <(scrollx) < [0]> then\n    set [scrollx v] to [0]\nend\nif <(scrollx) > [6200]> then\n    set [scrollx v] to [6200]\nend\nchange [scrolly v] by (round (((y) - (scrolly)) / (10)))\nif <(scrolly) < [0]> then\n    set [scrolly v] to [0]\nend\nPosition\nif <(y) < [-178]> then\n    set [exit v] to [Die]\nend\nif <touching (spikes v)?> then\n    set [exit v] to [Die]\nend\n\ndefine Change player y by (sy)\nchange [y v] by (sy)\nchange [in air v] by (1)\nPosition\nrepeat until <not <touching (platforms v)?>>\n    if <(sy) > [0]> then\n        change [y v] by (-1)\n    else\n        change [y v] by (1)\n        set [in air v] to [0]\n    end\n    Position\n    set [speed y v] to [0]\nend\n\ndefine Position\ngo to x: ((x) - (scrollx)) y: ((y) - (scrolly))\n\ndefine Change player x by (sx)\nchange [x v] by (sx)\nPosition\nif <touching (platforms v)?> then\n    repeat (12)\n        change [y v] by (1)\n        Position\n        if <not <touching (platforms v)?>> then\n            stop [this script v]\n        end\n    end\n    change [y v] by (-12)\n    if <<key (up arrow v) pressed?> or <<mouse down?> and <(mouse y) > (y position)>>> then\n        if <(sx) > [0]> then\n            set [speed x v] to [-16]\n        else\n            set [speed x v] to [16]\n        end\n        set [in air v] to [0]\n    else\n        set [speed x v] to [0]\n    end\n    repeat until <not <touching (platforms v)?>>\n        if <(sx) > [0]> then\n            change [x v] by (-1)\n        else\n            change [x v] by (1)\n        end\n        Position\n    end\nend\n\ndefine Game - Die\nset [exit v] to []\nrepeat (5)\n    hide\n    wait (0.05) seconds\n    show\n    wait (0.05) seconds\nend\n\ndefine Game - Win\n\ndefine Test - Die\n\n