SirGordon’s gists

SirGordon / nice-code.cs

Created March 1, 2023 11:16

SirGordon / ctx.as

Created August 14, 2016 17:22

	// simple easy shared access to callback and current attempted profile
	private static var supportsCallback:Function;
	private static var checkingProfile:String;

	public static function supportsProfile(nativeStage:flash.display.Stage, profile:String, callback:Function):void
	{
	supportsCallback = callback;
	checkingProfile = profile;

	if (nativeStage.stage3Ds.length > 0) {

SirGordon / is point in polygon.as

Created January 13, 2016 15:33

	public static function isPointInPolygon(point:Vector3D, polygon:Vector.<Vector3D>):Boolean {
	var i:int, j:int, nvert:int = polygon.length;
	var result:Boolean = false;

	for (i = 0, j = nvert - 1; i < nvert; j = i++) {
	if (((polygon[i].z) >= point.z != (polygon[j].z >= point.z)) &&
	(point.x <= (polygon[j].x - polygon[i].x) * (point.z - polygon[i].z) / (polygon[j].z - polygon[i].z) + polygon[i].x))
	result = !result;
	}

SirGordon / away3dutils.as

Last active October 6, 2015 14:33

away3d get screen coords of 3d object

	private function getStagePosition(cam:Camera3D, obj:ObjectContainer3D):Vector3D {
	var camT:Matrix3D = cam.viewProjection.clone();
	var planT:Matrix3D = obj.sceneTransform.clone();
	planT.appendTranslation(0, obj.maxY, 0);
	camT.prepend(planT);
	var pv:Vector3D = Utils3D.projectVector(camT, new Vector3D());
	pv.x = (pv.x * stage.stageWidth / 2) + stage.stageWidth / 2;
	pv.y = (pv.y * -1 * stage.stageHeight / 2) + stage.stageHeight / 2;
	return pv;
	}

SirGordon / random.as

Last active August 29, 2015 14:26

	public static function generateRandomResultBasedOnWeights(weights:Array):int {
	weights.sort(Array.DESCENDING);
	var sum:Number = sumArrayElements(weights);
	var r:Number = Math.random() * sum;
	var result:int = -1;

	for (var i:uint = 0; i < weights.length; i++) {
	var item:int = weights[i];
	if (r < item)
	return result;

SirGordon / sandcastle-mobile-test

Created June 3, 2015 09:34

SandCastle mobile test

	package {
	import away3d.cameras.Camera3D;
	import away3d.cameras.lenses.PerspectiveLens;
	import away3d.containers.Scene3D;
	import away3d.containers.View3D;
	import away3d.core.managers.Stage3DManager;
	import away3d.core.managers.Stage3DProxy;
	import away3d.debug.AwayStats;
	import away3d.events.Stage3DEvent;
	import away3d.lights.DirectionalLight;