線を描く

とりあえず一本の線はこんな感じ。複数をいっぺんに書くには？

points配列を３次元にしてmovep配列を二次元にして、vx,vy,vzを配列化するんですか？センスないですよね。

by Nowloading_ 31 Aug 2011

Tags

Lines3D Papervision3D
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/**
 * Copyright Nowloading_ ( http://wonderfl.net/user/Nowloading_ )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/ef7E
 */

package{
    import org.papervision3d.core.geom.Lines3D;
    import org.papervision3d.materials.special.LineMaterial;
    import org.papervision3d.view.*;
    import flash.events.Event;
    
    [SWF(backgroundColor = 0x000000)]
    public class linebox extends BasicView{
        private var a:LineMaterial = new LineMaterial(0xff0000);
        private var axis:Lines3D = new Lines3D(a);
        private var material:LineMaterial = new LineMaterial(0xffff00);
        private var lines:Lines3D = new Lines3D(material);

        //points = [[x1,x2,,,xn],[y1,,,yn][z1,,,zn]]
        private var points:Array = [[-200,200,200,200,-200,-200,-200,-200,200,200],
                                [-200,-200,-200,200,200,-200,-200,200,200,-200],
                                [-200,-200,200,200,200,200,-200,-200,-200,-200],
                               ];
        //movep = [x,y,z]
        private var movep:Array = [-200,-200,-200];
        private var rad:int = 0;
        private var i:int =0;
        private var j:int =0;
        private var vx:int;
        private var vy:int;
        private var vz:int;
        private var pn:int = 10;
        public function linebox(){
            init();
        }
        private function init():void{
            //軸を描く
            axis.addNewLine(3,-1000,0,0,1000,0,0);
            axis.addNewLine(3,0,-1000,0,0,1000,0);
            axis.addNewLine(3,0,0,-1000,0,0,1000);
            scene.addChild(axis);
            scene.addChild(lines);
            camera.x = -600;
            camera.y = 600;
            camera.lookAt(lines);
            startRendering();
            addEventListener(Event.ENTER_FRAME,onEnterFrame);
        }
        private function onEnterFrame(e:Event):void{
            camera.x = 1000*Math.sin(rad*Math.PI/180);
            camera.z = 1000*Math.cos(rad*Math.PI/180);
            rad+=3;
            if(rad >= 360){
                rad =0;
            }
            if ( i ==0 ){
                vx = (points[0][j+1]-points[0][j])/pn;
                vy = (points[1][j+1]-points[1][j])/pn;
                vz = (points[2][j+1]-points[2][j])/pn;
                i = 1;
            }
            lines.addNewLine(3,movep[0],movep[1],movep[2],
                movep[0]+vx,movep[1]+vy,movep[2]+vz)
            movep[0]+=vx;
            movep[1]+=vy;
            movep[2]+=vz;
            if((movep[0] == points[0][j+1]) && (movep[1] == points[1][j+1])
                    && (movep[2] == points[2][j+1])){
                j+=1;
                i=0;
            }
        }
    }    
}