3D Space Example.as

1. include "Space.as"

// Instantiate a new 3D-space //createEmptyMovieClip( 'test', 1 ); //initialiseSpace( test ); //test._x = width/2; //test._y = height/2;

// testing z-ordering algorithm var balls = []; for ( var i = 0; i < 5; i++ ) { attachMovie( 'ball', 'ball'+i, i ); o = this['ball'+i]; balls[i] = i; j = i + 1; r = (j & 1) ? 0xff : 0; g = (j & 2) ? 0xff : 0; b = (j & 4) ? 0xff : 0; c = new Color(o); c.setTransform( { ra:r, ga:g, ba:b } ); }

function byDepth( a, b ) { return a.getDepth() < b.getDepth(); }

// Per frame function reduce() { now = new Date(); time = now.getTime(); //if (_root.ctr++ < 2) // for ( var i = 0; i < allSpaces.length; i++ ) // if ( allSpaces[i].active ) allSpaces[i].frame();

balls.sort( byDepth );

// testing z-ordering algorithm a += 0.01; c = 2*Math.PI/5; for ( var i = 0; i < balls.length; i++ ) { obj = _root['ball'+balls[i]]; b = a + c * i; obj._x = width/2+Math.sin(b)*width/3; obj.az = obj._xscale = obj._yscale = 50+Math.cos(b)*25; obj._y = height/2; }

// Debugging output msg = ""; for ( var i = 0; i < balls.length; i++ ) msg = msg + i + ': '+balls[i].getDepth()+' : '+balls[i]._name+'
'; debug.htmlText = msg + '';

// Sort buffer by Z and synchronise rendering levels for ( var i = 0; i < balls.length-1; i++ ) { obj = _root['ball'+balls[i]]; var maxz = obj.az, maxp = i; for ( var j = 0; j < balls.length; j++ ) { o = _root['ball'+balls[j]]; if ( o.az > maxz ) { maxz = o.az; maxp = j; } } if ( maxp != i ) { obj.swapDepths( _root['ball'+balls[maxp]] ); _root['ball'+balls[i]] = _root['ball'+balls[maxp]]; _root['ball'+balls[maxp]] = obj; } } //}

if (0) { // oldest z-buff sort for ( var i = 0; i < balls.length-1; i++ ) { maxz = balls[i].az; maxp = i; for ( var j = i + 1; j < balls.length; j++ ) { z = balls[j].az; if ( z > maxz ) { maxz = z; maxp = j; } } if ( maxp != i ) { balls[i].swapDepths( balls[maxp] ); iname = balls[i]._name; balls[i] = balls[maxp]; balls[maxp] = iname; } } } }

createTextField( 'debug', 100, 0, 0, width, height ); with ( debug ) { selectable = true; border = false; multiline = true; wordWrap = true; html = true; }

// Test object //test.create( [ 0, 0, , 'torus', 5, 200, 5000 ] );