Papervisionの勉強(Text3D、時計)

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license : MIT License
modified : 2009-06-12 08:30:03

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package
{
	import caurina.transitions.Tweener;
	
	import flash.events.Event;
	
	import org.papervision3d.materials.special.Letter3DMaterial;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.typography.Text3D;
	import org.papervision3d.typography.fonts.HelveticaBold;
	import org.papervision3d.view.BasicView;

[SWF(width="500", height="500", backgroundColor="0x000000", frameRate="40")]
	public class Papervision11 extends BasicView
	{
		private var rootNode:DisplayObject3D;
		
		//ひとつ前の時間を保持しておくための変数
		private var prev_second1:uint;
		private var prev_second2:uint;
		private var prev_minute1:uint;
		private var prev_minute2:uint;
		private var prev_hour1:uint;
		private var prev_hour2:uint;
		private var prev_second_text1:DisplayObject3D;
		private var prev_second_text2:DisplayObject3D;
		private var prev_minute_text1:DisplayObject3D;
		private var prev_minute_text2:DisplayObject3D;
		private var prev_hour_text1:DisplayObject3D;
		private var prev_hour_text2:DisplayObject3D;
		
		private var second1:Text3D;
		private var second2:Text3D;
		private var minute1:Text3D;
		private var minute2:Text3D;
		private var hour1:Text3D;
		private var hour2:Text3D;
		
		private var date:Date;

private const zoom:Number=20;
		private const focus:Number=30;
		private const distance:Number=600;

public function Papervision11()
		{
			if(stage)
				init();
			else
				addEventListener(Event.ADDED_TO_STAGE, init);
		}
		
		private function init():void{
			removeEventListener(Event.ADDED_TO_STAGE, init);
			
			startRendering();
			
			rootNode=this.scene.addChild(new DisplayObject3D("rootNode"));
			camera.target=DisplayObject3D.ZERO;
			camera.zoom=zoom;
			camera.focus=focus;
			
			//文字列マテリアルの設定
			var mat:Letter3DMaterial=new Letter3DMaterial();
			mat.fillColor=0xFFFFFF;
			mat.doubleSided=true;
			mat.doubleSided=mat.interactive=true;
			
			//文字列の生成
			second1=new Text3D("0123456789", new HelveticaBold(), mat);
			second2=new Text3D("012345", new HelveticaBold(), mat);
			minute1=new Text3D("0123456789", new HelveticaBold(), mat);
			minute2=new Text3D("012345", new HelveticaBold(), mat);
			hour1=new Text3D("01234567890", new HelveticaBold(), mat);
			hour2=new Text3D("012", new HelveticaBold(), mat);
			rootNode.addChild(second1);
			rootNode.addChild(second2);
			rootNode.addChild(minute1);
			rootNode.addChild(minute2);
			rootNode.addChild(hour1);
			rootNode.addChild(hour2);
			second1.scale=second2.scale=minute1.scale=minute2.scale=hour1.scale=hour2.scale=0.4;
			
			date = new Date();
			prev_second1 = date.seconds%10;
			prev_second2 = date.seconds/10;
			prev_minute1 = date.minutes%10;
			prev_minute2 = date.minutes/10;
			prev_hour1 = date.hours%10;
			prev_hour2 = date.hours/10;
			
			//文字列を分解し、飛び散らせる。
			prev_second_text1 = dispersionWords(second1, prev_second1, 350);
			prev_second_text2 = dispersionWords(second2, prev_second2, 250);
			prev_minute_text1 = dispersionWords(minute1, prev_minute1, 50);
			prev_minute_text2 = dispersionWords(minute2, prev_minute2, -50);
			prev_hour_text1 = dispersionWords(hour1, prev_hour1, -250);
			prev_hour_text2 = dispersionWords(hour2, prev_hour2, -350);
			
			addEventListener(Event.ENTER_FRAME, onFrame);
		}

private function dispersionWords(words:Text3D, tt:uint, tx:Number):DisplayObject3D
		{
			var xx:Number;
			var yy:Number;
			var zz:Number;
			var ary:Array = words.letters;
			var target:DisplayObject3D;
			var prev_text:DisplayObject3D;
			
			for(var i:uint = 0; i < ary.length; i++)
			{
				target = ary[i];
				xx = Math.random()*2000-1000;
				yy = Math.random()*2000-1000;
				zz = Math.random()*2000-1000;
				target.x=target.y=target.z=target.scale=0;
				
				if(i == tt){
					Tweener.addTween(target, {scale:1.5, x:tx, y:0, z:0, rotationX:0, rotationY:0, rotationZ:0, time:0.5});
					prev_text = target;
				}else{
					Tweener.addTween(target, {scale:1, x:xx, y:yy, z:zz, rotationX:Math.random() * 360, rotationY:Math.random() * 360, rotationZ:Math.random() * 360, time:3, delay:2 * Math.random() + 1});
				}
			}
			return prev_text;
		}
		
		//対象の文字を指定した場所へ移動
		private function moveWords(word:DisplayObject3D, x:Number, y:Number, z:Number, scale:Number, rX:Number, rY:Number, rZ:Number):void
		{
			Tweener.addTween(word, {x:x, y:y, z:z, rotationX:rX, rotationY:rY, rotationZ:rZ, scale:scale, time: 0.5, transition:"easeOutBounce"});
		}

private function onFrame(e:Event):void
		{
			var obj:DisplayObject3D;
			date = new Date();
			
			//時間が経過していたら
			if(prev_second1 != date.seconds%10){
				//時刻更新
				prev_second1 = date.seconds%10;
				obj = prev_second_text1;
				prev_second_text1 = second1.letters[date.seconds%10];
				Tweener.removeTweens(obj);
				//中心からどこかへ飛ばす
				moveWords(obj, Math.random()*2000-1000, Math.random()*2000-1000, Math.random()*2000-1000, 1, Math.random() * 360, Math.random() * 360, Math.random() * 360);
				Tweener.removeTweens(prev_second_text1);
				//中心へ持ってくる
				moveWords(prev_second_text1, 350, 0, 0, 1.5, -rootNode.rotationX, 0, 0);
			}
			if(prev_second2 != Math.floor(date.seconds/10)){
				prev_second2 = date.seconds/10;
				obj = prev_second_text2;
				prev_second_text2 = second2.letters[Math.floor(date.seconds/10)];
				Tweener.removeTweens(obj);
				moveWords(obj, Math.random()*2000-1000, Math.random()*2000-1000, Math.random()*2000-1000, 1, Math.random() * 360, Math.random() * 360, Math.random() * 360);
				Tweener.removeTweens(prev_second_text2);
				moveWords(prev_second_text2, 250, 0, 0, 1.5, -rootNode.rotationX, 0, 0);
			}
			if(prev_minute1 != date.minutes%10){
				prev_minute1 = date.minutes%10;
				obj = prev_minute_text1;
				prev_minute_text1 = minute1.letters[date.minutes%10];
				Tweener.removeTweens(obj);
				moveWords(obj, Math.random()*2000-1000, Math.random()*2000-1000, Math.random()*2000-1000, 1, Math.random() * 360, Math.random() * 360, Math.random() * 360);
				Tweener.removeTweens(prev_minute_text1);
				moveWords(prev_minute_text1, 50, 0, 0, 1.5, -rootNode.rotationX, 0, 0);
			}
			if(prev_minute2 != Math.floor(date.minutes/10)){
				prev_minute2 = date.minutes/10;
				obj = prev_minute_text2;
				prev_minute_text2 = minute2.letters[Math.floor(date.minutes/10)];
				Tweener.removeTweens(obj);
				moveWords(obj, Math.random()*2000-1000, Math.random()*2000-1000, Math.random()*2000-1000, 1, Math.random() * 360, Math.random() * 360, Math.random() * 360);
				Tweener.removeTweens(prev_minute_text2);
				moveWords(prev_minute_text2, -50, 0, 0, 1.5, -rootNode.rotationX, 0, 0);
			}
			if(prev_hour1 != date.hours%10){
				prev_hour1 = date.hours%10;
				obj = prev_hour_text1;
				prev_hour_text1 = hour1.letters[date.hours%10];
				Tweener.removeTweens(obj);
				moveWords(obj, Math.random()*2000-1000, Math.random()*2000-1000, Math.random()*2000-1000, 1, Math.random() * 360, Math.random() * 360, Math.random() * 360);
				Tweener.removeTweens(prev_hour_text1);
				moveWords(prev_hour_text1, -250, 0, 0, 1.5, -rootNode.rotationX, 0, 0);
			}
			if(prev_hour2 != Math.floor(date.hours/10)){
				prev_hour2 = date.hours/10;
				obj = prev_hour_text2;
				prev_hour_text2 = hour2.letters[Math.floor(date.hours/10)];
				Tweener.removeTweens(obj);
				moveWords(obj, Math.random()*2000-1000, Math.random()*2000-1000, Math.random()*2000-1000, 1, Math.random() * 360, Math.random() * 360, Math.random() * 360);
				Tweener.removeTweens(prev_hour_text2);
				moveWords(prev_hour_text2, -350, 0, 0, 1.5, -rootNode.rotationX, 0, 0);
			}
			
			rootNode.rotationX++;
			prev_second_text1.rotationX = prev_second_text2.rotationX = prev_minute_text1.rotationX = prev_minute_text2.rotationX
			= prev_hour_text1.rotationX = prev_hour_text2.rotationX = -rootNode.rotationX;
		}
	}
}

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