objects/oBatIntro/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.

oBatIntro's step event, 16 lines of GML.

//yVel += yAcc;//if (yVel < 4) yVel = 4;x += xVel;y += yVel;if (status == 0){    if (x < view_xview[0] + 320 + 16)    {        status = 1;        xVel = -random(3)-2;        yVel = -random(1);        yAcc = -random(1)*0.2;        playSound(global.sndBat);    }}