objects/oCaravan/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.
oCaravan's step event, 21 lines of GML.
if (status == 0){ x -= 1; if (x <= 160+64) { status = 1; }}else if (status == 1){ x -= 0.01;}else if (status == 2){ x -= 2;}if (x < -64){ oCredits2.fadeOut = true;}