Depth Test
深度テスト
* 視点からの距離でソートしてるつもり。。。
* 全部を一度にソートしないで２つのグルーブにわけてソートしたのがミソ
* Group1:床、壁、天井の大きな板と“人がいるシーン”
* Group2:シーン内の人とテーブル
*-----------------------------------------
* 若干ですが誤った表示になってしまいます。
/**
* Copyright Kay ( http://wonderfl.net/user/Kay )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/8FJp
*/
/*
* 深度テスト
* 視点からの距離でソートしてるつもり。。。
* 全部を一度にソートしないで２つのグルーブにわけてソートしたのがミソ
* Group1:床、壁、天井の大きな板と“人がいるシーン”
* Group2:シーン内の人とテーブル
*-----------------------------------------
* 若干ですが誤った表示になってしまいます。
*/
package {
import flash.display.*;
import flash.events.*;
import flash.filters.BlurFilter;
import flash.geom.*;
[SWF(frameRate="30",width="465",height="465")]
public class Main extends Sprite {
private const SW:Number=stage.stageHeight;
private const SH:Number=stage.stageWidth;
public var pp:PerspectiveProjection;
public var room:Sprite;
public var wrap:Sprite;
public var objs:Array;
public var wall:Sprite;
public var scene:Sprite;
public function Main() {
pp=transform.perspectiveProjection;
pp.projectionCenter=new Point(SW/2,SH/2);
pp.fieldOfView=45;
room = new Sprite();
addChild(room);
room.x=SW/2;
room.y=SH/2;
var floor:Sprite = new Sprite();
floor.graphics.beginFill(0x66ff99);
floor.graphics.drawRect(-200, -200, 400, 400);
floor.graphics.drawCircle(0, 0, 50);
floor.graphics.endFill();
floor.z=0;
floor.y=100;
floor.rotationX=90;
room.addChild(floor);
var roof:Sprite = new Sprite();
roof.graphics.beginFill(0x99ccff);
roof.graphics.drawRect(-200, -200, 400, 400);
roof.graphics.drawCircle(0, 0, 140);
roof.graphics.drawCircle(0, 0, 120);
roof.graphics.endFill();
roof.z=0;
roof.y=-100;
roof.rotationX=90;
room.addChild(roof);
wall = new Sprite();
var vs:Vector.<Number> = new Vector.<Number>();
var ind:Vector.<int> = new Vector.<int>();
vs.push(-200,-100, 200,-100, 200,100, -200,100);
ind.push(0,1,2, 2,3,0);
wall.graphics.beginFill(0x7777ff);
wall.graphics.drawRect(-200, -100, 400, 200);
wall.graphics.drawRect(-95, -80, 90, 120);
wall.graphics.drawRect(5, -80, 90, 120);
wall.graphics.endFill();
wall.z=200;
room.addChild(wall);
scene = new Sprite();
scene.z = 0;
room.addChild(scene);
var man1:Man = new Man(0xcc0000);
man1.z = -80;
man1.y = -50;
scene.addChild(man1);
var man2:Man = new Man(0x0000cc);
man2.x = -80;
man2.y = -50;
man2.rotationY = 90;
scene.addChild(man2);
var man3:Man = new Man(0xffff00);
man3.z = 80;
man3.y = -50;
scene.addChild(man3);
var man4:Man = new Man(0x00cc00);
man4.x = 80;
man4.y = -50;
man4.rotationY = 90;
scene.addChild(man4);
var table:Sprite = new Sprite();
table.graphics.beginFill(0x000000);
table.graphics.drawCircle(0, 0, 50);
table.graphics.endFill();
table.z=0;
table.y=60;
table.rotationX=90;
scene.addChild(table);
addEventListener(Event.ENTER_FRAME, xEyePoint);
}
public function xEyePoint(e:Event):void {
pp.projectionCenter=new Point(SW/2,mouseY);
var eyePoint:Vector3D = new Vector3D(SW/2, mouseY, -pp.focalLength);
room.rotationY += (mouseX / SW * 480 - room.rotationY) * 0.1;
var arr:Array=[];
for (var i:int=0; i<room.numChildren; i++) {
var elm:Sprite=room.getChildAt(i) as Sprite;
var v3:Vector3D=elm.transform.getRelativeMatrix3D(root).position;
var dist:Number = Vector3D.distance(v3,eyePoint);
arr.push( { elm:elm, dist:dist } );
}
arr.sortOn("dist", Array.NUMERIC | Array.DESCENDING);
for (i=0; i<arr.length; i++) {
elm=arr[i].elm as Sprite;
room.setChildIndex(elm, i);
}
var sArr:Array=[];
for (i=0; i<scene.numChildren; i++) {
elm=scene.getChildAt(i) as Sprite;
v3=elm.transform.getRelativeMatrix3D(root).position;
dist = Vector3D.distance(v3,eyePoint);
sArr.push( { elm:elm, dist:dist } );
}
sArr.sortOn("dist", Array.NUMERIC | Array.DESCENDING);
for (i=0; i<sArr.length; i++) {
elm=sArr[i].elm as Sprite;
scene.setChildIndex(elm, i);
}
}
}
}
import flash.display.*;
class Man extends Sprite {
public function Man(color:int=0):void {
graphics.beginFill(color);
graphics.drawCircle(0, 15, 15);
graphics.drawRect(-20, 30, 40, 120);
graphics.endFill();
}
}