Papervision3D 3D座標→2D座標

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forked : 2
favorite : 27
lines : 57
license : MIT License
modified : 2009/06/11 03:01:31

embed

package
{
	//3D座標→2D座標の変換。
	//参考：http://www.nabble.com/3D-%3E%3E-2D-coordinates-td14730886.html
	
	import flash.display.StageQuality;
	import flash.events.Event;
	import flash.geom.Point;
	
	import org.papervision3d.cameras.CameraType;
	import org.papervision3d.core.math.Matrix3D;
	import org.papervision3d.core.proto.CameraObject3D;
	import org.papervision3d.lights.PointLight3D;
	import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
	import org.papervision3d.materials.utils.MaterialsList;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.objects.primitives.Cube;
	import org.papervision3d.view.BasicView;
	
	[SWF(width = "465", height = "465", frameRate = "30", backgroundColor = "0x000000")]
	public class TestObj2DPoint extends BasicView
	{
		private var _cube:Cube;
		private var _ball:Ball;
		public function TestObj2DPoint()
		{
			stage.quality = StageQuality.BEST;
			super(465,465,false,false,CameraType.DEBUG);
			
			//FlatShadeを使用したcube作成 (3次元)
			var light:PointLight3D = new PointLight3D();
			var flatmate:FlatShadeMaterial = new FlatShadeMaterial(light,0xFF00FF,0xAA00AA);
			flatmate.doubleSided = true;
			var materials:MaterialsList = new MaterialsList({all:flatmate});
			_cube =new Cube(materials,500,500,500,4,4,4);
			scene.addChild(_cube);
			
			//ボール作成(2次元)
			_ball = new Ball();
			addChild(_ball);
			
			startRendering();
			addEventListener(Event.ENTER_FRAME , _loop );
		}
		
		private function _loop(e:Event):void {
			_cube.yaw(1);
			_cube.pitch(0.5);
			
			//3D座標のCubuの位置を2D座標に変換 →ボールのxyに代入。
			var p:Point = getObj2DCords(_cube,camera,stage.stageWidth/2 , stage.stageHeight/2 );
			_ball.x = p.x;
			_ball.y = p.y;
		}
		
		//参考：http://www.nabble.com/3D-%3E%3E-2D-coordinates-td14730886.html
		private function getObj2DCords ( o:DisplayObject3D, camera:CameraObject3D,  offsetX:Number = 0, offsetY:Number = 0 ):Point
		{
			var view:Matrix3D = o.view;
			var persp:Number = (camera.focus * camera.zoom) / (camera.focus + view.n34);
			return new Point ( (view.n14 * persp) + offsetX, (view.n24 * persp) + offsetY );
		}
	}
}
	import flash.display.Sprite;

class Ball extends Sprite {
	public function Ball():void {
		this.graphics.beginFill(0x0000FF , 1 );
		this.graphics.drawCircle(0,0,20);
		this.graphics.endFill();
	}
}

2D座標 3D→2D座標変換 3D座標 3d papervision3d pv3d 変換後で参考にする

Nicolas

yamat

2046

yooKo

twelvetoes

ms_space

nondelion

dizgid

soundkitchen

mainya

keiso

takaki8 :

Papervision3d3D座標→2D座標の変換

milkmidi :

pv3dpv3d 3d 2 2d

mofukuma :

3D→2D座標変換

h1ro :

pv3d 3D座標 2D座標変換変換できるみたい

ibu4gin :

mchang :

papervision3d

roberthein :

3d position on screen

sakotsu :

pv3d

sakusan393 :

pv3d 3d→2d

costa :

pv3dcube

berian :

papervision3d3D→2D

minon :

pv3d

hacker_7daxapax :

3D→2D座標変換

tail_y :

後で参考にする 3d

tkinjo :

pv3d

clockmaker :

すばらしい！

focus materials camera CameraType.DEBUG n34 doubleSided zoom light n14 n24 Matrix3D view Point addEventListener addChild Event.ENTER_FRAME Event Sprite Number

>sort

Papervision3D 3D座標→2D座標 forked from: Papervision3D 3D座標→2D座標 [diff(1)]

ultranoir

// forked from y_tti's Papervision3D 3D座標→2D座標
package
{
//3D座標→2D座標の変換。
//参考：http://www.nabble.com/3D-%3E%3E-2D-coordinates-td14730886.html
import flash.display.StageQuality;
import flash.events.Event;
import flash.geom.Point;
import org.papervision3d.cameras.CameraType;
import org.papervision3d.core.math.Matrix3D;
import org.papervision3d.core.proto.CameraObject3D;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.objects.primitives.Cube;
import org.papervision3d.view.BasicView;
[SWF(width = "465", height = "465", frameRate = "30", backgroundColor = "0x000000")]
public class TestObj2DPoint extends BasicView
{
private var _cube:Cube;
private var _ball:Ball;
public function TestObj2DPoint()
{
stage.quality = StageQuality.BEST;
super(465,465,false,false,CameraType.DEBUG);
//FlatShadeを使用したcube作成 (3次元)
var light:PointLight3D = new PointLight3D();
var flatmate:FlatShadeMaterial = new FlatShadeMaterial(light,0xFF00FF,0xAA00AA);
flatmate.doubleSided = true;
var materials:MaterialsList = new MaterialsList({all:flatmate});
_cube =new Cube(materials,500,500,500,4,4,4);
scene.addChild(_cube);
//ボール作成(2次元)
_ball = new Ball();
addChild(_ball);
startRendering();
addEventListener(Event.ENTER_FRAME , _loop );
}
private function _loop(e:Event):void {
_cube.yaw(1);
_cube.pitch(0.5);
//3D座標のCubuの位置を2D座標に変換 →ボールのxyに代入。
var p:Point = getObj2DCords(_cube,camera,stage.stageWidth/2 , stage.stageHeight/2 );
_ball.x = p.x;
_ball.y = p.y;
}
//参考：http://www.nabble.com/3D-%3E%3E-2D-coordinates-td14730886.html
private function getObj2DCords ( o:DisplayObject3D, camera:CameraObject3D, offsetX:Number = 0, offsetY:Number = 0 ):Point
{
var view:Matrix3D = o.view;
var persp:Number = (camera.focus * camera.zoom) / (camera.focus + view.n34);
return new Point ( (view.n14 * persp) + offsetX, (view.n24 * persp) + offsetY );
}
}
}
import flash.display.Sprite;
class Ball extends Sprite {
public function Ball():void {
this.graphics.beginFill(0x0000FF , 1 );
this.graphics.drawCircle(0,0,20);
this.graphics.endFill();
}
}

Papervision3D 3D座標→2D座標 forked from: Papervision3D 3D座標→2D座標 [diff(1)]

hacker_oamn7_7y

// forked from y_tti's Papervision3D 3D座標→2D座標
package
{
//3D座標→2D座標の変換。
//参考：http://www.nabble.com/3D-%3E%3E-2D-coordinates-td14730886.html
import flash.display.StageQuality;
import flash.events.Event;
import flash.geom.Point;
import org.papervision3d.cameras.CameraType;
import org.papervision3d.core.math.Matrix3D;
import org.papervision3d.core.proto.CameraObject3D;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.objects.primitives.Cube;
import org.papervision3d.view.BasicView;
[SWF(width = "465", height = "465", frameRate = "30", backgroundColor = "0x000000")]
public class TestObj2DPoint extends BasicView
{
private var _cube:Cube;
private var _ball:Ball;
public function TestObj2DPoint()
{
stage.quality = StageQuality.BEST;
super(465,465,false,false,CameraType.DEBUG);
//FlatShadeを使用したcube作成 (3次元)
var light:PointLight3D = new PointLight3D();
var flatmate:FlatShadeMaterial = new FlatShadeMaterial(light,0xFF00FF,0xAA00AA);
flatmate.doubleSided = true;
var materials:MaterialsList = new MaterialsList({all:flatmate});
_cube =new Cube(materials,500,500,500,4,4,4);
scene.addChild(_cube);
//ボール作成(2次元)
_ball = new Ball();
addChild(_ball);
startRendering();
addEventListener(Event.ENTER_FRAME , _loop );
}
private function _loop(e:Event):void {
_cube.yaw(1);
_cube.pitch(0.5);
//3D座標のCubuの位置を2D座標に変換 →ボールのxyに代入。
var p:Point = getObj2DCords(_cube,camera,stage.stageWidth/2 , stage.stageHeight/2 );
_ball.x = p.x;
_ball.y = p.y;
}
//参考：http://www.nabble.com/3D-%3E%3E-2D-coordinates-td14730886.html
private function getObj2DCords ( o:DisplayObject3D, camera:CameraObject3D, offsetX:Number = 0, offsetY:Number = 0 ):Point
{
var view:Matrix3D = o.view;
var persp:Number = (camera.focus * camera.zoom) / (camera.focus + view.n34);
return new Point ( (view.n14 * persp) + offsetX, (view.n24 * persp) + offsetY );
}
}
}
import flash.display.Sprite;
class Ball extends Sprite {
public function Ball():void {
this.graphics.beginFill(0x0000FF , 1 );
this.graphics.drawCircle(0,0,20);
this.graphics.endFill();
}
}