TRICHORD blog

バグレゴASの3D化をにらんで、3Dでレゴを表示するところまで作ってみました。

(クリックすると表示されます)

【使ったツール】
・Papervision3D 2.0 GreatWhite

【参考にしたページ】
・[Papervision3D]プリミティブなオブジェクトを並べてみる - l4l

【ソース】

package {
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.MouseEvent;
	import flash.geom.Point;
	
	import org.papervision3d.core.math.Matrix3D;
	import org.papervision3d.lights.PointLight3D;
	import org.papervision3d.materials.*;
	import org.papervision3d.materials.shadematerials.GouraudMaterial;
	import org.papervision3d.materials.utils.MaterialsList;
	import org.papervision3d.objects.primitives.*;
	import org.papervision3d.view.BasicView;
	
	public class LegoTest01 extends BasicView {
		private var L:Number = 25 / 2
		private var BOX_W:Number = 19 / 3 * 3
		private var BOX_H:Number = 19 / 5 * 3
		private var ANTLER_W:Number = 1.8 * 3
		private var ANTLER_H:Number = 0.9 * 3
		private var COLORS:Array = [
			0xcc0000, // red
			0x0066a7, // blue
			0x006822, // green
			0x02b535, // light green
			0xfbe419] // yellow
		
		private var legos:Array = []
			
		public function LegoTest01() {
			stage.align = StageAlign.TOP_LEFT;
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.frameRate = 30;

			// event

			stage.addEventListener(MouseEvent.MOUSE_DOWN, mdown);

			stage.addEventListener(MouseEvent.MOUSE_MOVE, mmove);

			stage.addEventListener(MouseEvent.MOUSE_UP,   mup);

			

			init();

			

			startRendering();

		}

		

		private function init():void{

			var light:PointLight3D = new PointLight3D()

			light.z = 0;

			light.x = 800;

			light.y = 800;

			for (var i:Number = 0; i < COLORS.length; i++) {

				var lego:Cube = createLego(light, COLORS[i])

				lego.x = BOX_W * L * 1.5 * (i - 2)

				scene.addChild(lego);

			}

		}

		private function createLego(light:PointLight3D, color:Number):Cube {

			var gm:GouraudMaterial =new GouraudMaterial(light, 0xFFFFFF, color)

			var mlist:MaterialsList = new MaterialsList({all:new GouraudMaterial(light, 0xFFFFFF, color)}); 

			

			var cubeTop:Cube =new Cube(mlist, BOX_W * L, BOX_W * L, 0.1 * L);

			var i:Number

			var cubeSide:Cube

			for each (i in [1, -1]){

				cubeSide =new Cube(mlist, 0.1 * L, BOX_W * L, BOX_H * L);

				cubeSide.x = i * BOX_W * L / 2

				cubeSide.y = -BOX_H * L / 2

				cubeTop.addChild(cubeSide);

			}

			for each (i in [1, -1]){

				cubeSide =new Cube(mlist, BOX_W * L, 0.1 * L, BOX_H * L);

				cubeSide.z = i * BOX_W * L / 2

				cubeSide.y = -BOX_H * L / 2

				cubeTop.addChild(cubeSide);

			}

			

			for each (i in [1, -1]){

				for each (var j:Number in [1, -1]){

					var cylinder:Cylinder =new Cylinder(gm, ANTLER_W * L / 2,  ANTLER_H * L);

					cylinder.x = i * (BOX_W) * L / 4

					cylinder.z = j * (BOX_W) * L / 4

					cylinder.y = ANTLER_H * L / 2

					cubeTop.addChild(cylinder)

				}

			}

			return cubeTop

		}



		

		private var mousePos  :Point = null;

		private var cameraPos :Point = null;

		private var _cameraRotX :Number = 0;

		private var _cameraRotY :Number = 0;

		private function set cameraRotX(_rot:Number):void{

			if(-89>_rot&&_rot<89){

				_cameraRotX = _rot;

			}else if(-89>=_rot){

				_cameraRotX = -89;

			}else{

				_cameraRotX = 89;

			}

		}

		private function set cameraRotY(_rot:Number):void{

			_cameraRotY = _rot;

		}

		private function updateCameraPos():void{

			var v:Matrix3D = new Matrix3D([0,0,-1000,1,0,0,0,0,0,0,0,0]);

			var vrx:Matrix3D = Matrix3D.rotationX(_cameraRotX/180*Math.PI);

			var vry:Matrix3D = Matrix3D.rotationY(_cameraRotY/180*Math.PI);

			var va0:Matrix3D = Matrix3D.multiply(v,vrx);

			var va1:Matrix3D = Matrix3D.multiply(va0,vry);

			camera.x = va1.n11;

			camera.y = va1.n12;

			camera.z = va1.n13;

		}		

		private function mdown(evt:MouseEvent):void{

			mousePos = new Point(stage.mouseX,stage.mouseY);

		}

		

		private function mmove(evt:MouseEvent):void{

			if(mousePos){

				var vx :Number = (stage.mouseX - mousePos.x)/2;

				var vy :Number = (stage.mouseY - mousePos.y)/2;

				cameraRotX = _cameraRotX - vy;

				cameraRotY = _cameraRotY + vx;

				updateCameraPos();

				mousePos = new Point(stage.mouseX,stage.mouseY);

			}

		}

		

		private function mup(evt:MouseEvent):void{

			mousePos = null;

		}

	}

}