objects/oTarget/step.gml

From spelunky.gmk, Spelunky Classic 1.1's source, © 2008, 2009 Derek Yu and Mossmouth, LLC, shown whole under the Spelunky User License v1.1b. Extracted by spelunky.ai's tools, an unofficial fan project, one file per script or event; the // ==== lines are the extractor's, naming each action of the event. Some scripts are others' work that Derek Yu credits in the source's readme.txt: Martin Piecyk's platform engine, ChevyRay's view scaling scripts and tsg1zzn's Super Sound System.

oTarget's step event, 40 lines of GML.

if (dying){    if (life > 0) life -= 1;    else    {        life = 20;        dying = false;    }}else{    if (dir == UP)    {        if (hard) y -= 2;        else y -= 1;        moveOff += 1;        if (y <= 64 or moveOff > 64)        {            dir = DOWN;            moveOff = 0;        }    }    else if (dir == DOWN)    {        if (hard) y += 2;        else y += 1;        moveOff += 1;        if (y >= 160 or moveOff > 64)        {            dir = UP;            moveOff = 0;        }    }        if (oMoonRoom.timer <= 30)    {        x = 240 - abs(sin(xDiff)*64);        xDiff += 0.01;    }}