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Frocessingで3D

Frocessingで3Dの曲線を試す。
http://linkalink.jp/enok/?p=709
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by linktale 28 May 2012
/**
 * Copyright linktale ( http://wonderfl.net/user/linktale )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/rP5j
 */

// Frocessingで3Dの曲線を試す。
// http://linktale.net/

package {
    import flash.events.TimerEvent;
    import flash.utils.Timer;
    import frocessing.display.F5MovieClip3D;
    import com.flashdynamix.utils.SWFProfiler;
    import frocessing.display.F5MovieClip3DBmp;
    import frocessing.f3d.models.F3DSphere;
    import frocessing.math.FMath;
    
    [SWF(backgroundColor = "0x111111", frameRate = "24", width = "480", height = "480")] 
    
    public class Frocessing extends F5MovieClip3D{
        private var _w:Number = 0;
        private var _h:Number = 0;
        private var _ca:Number = 0;
        
        private var _sphere_segments:uint = 24;
        private var _sphere_point_list:Array;
        private var _line_head_point_list:Array = new Array();
        private var _line_point_list:Array = new Array();
        private var _line_point_num:uint = 40;
        private var _line_num:uint = 20;
        private var _line_aim:Array = new Array();
        private var _count:uint = 0;
        private var _start_flg:Boolean = false;
        private var _mouse_flg:Boolean = false;
        private var _camera_count:uint = 0;
        private var _camera_vec:int = 1;

        public function Frocessing():void {
            //SWFProfiler.init(stage, this);
            QHigh();
            
            _w = stage.stageWidth;
            _h = stage.stageHeight;
            size(_w, _h);
        }
        
        public function setup():void {
            //noLoop();
            sphereDetail(_sphere_segments);
            _sphere_point_list = getSphere(200);
            
            for (var i:uint = 0; i < _line_num;i++ ) {
                var point_head:ekPoint = new ekPoint(0, 0, 0);
                _line_head_point_list.push(point_head);
                _line_point_list[i] = new Array();
                _line_aim[i] = new Array();
                _line_aim[i][0] = false;
            }
            var timer:Timer = new Timer(50, 0); 
            timer.addEventListener(TimerEvent.TIMER, createLinePoint); 
            timer.start(); 
        }
        
        public function createLinePoint(e:TimerEvent):void {
            for (var j:uint = 0; j < _line_num;j++ ) {
                var point:ekPoint = new ekPoint(_line_head_point_list[j].x, _line_head_point_list[j].y, _line_head_point_list[j].z);

                _line_point_list[j].push(point);
                for (var i:uint = 0; i < _line_point_list[j].length; i++){
                    if ( _line_point_list[j].length > _line_point_num ) {
                        point = _line_point_list[j].shift();
                        break;
                    }
                }    
            }
        }
        
        public function draw():void {
            background(0x111111); 
            setCamera();
            moveSphere();
            if(_start_flg){
                moveLine();
            }
        }
        
        private function setCamera():void {
            camera( _w / 2 + 550.0 * cos(_ca), _h / 2, (550-_camera_count) * sin(_ca), _w / 2, _h / 2, 0.0, 0.0, 1.0, 0.0);
            _ca += 0.006;
            if (_camera_count >= 550 && _camera_vec == 1) {
                _camera_vec = -1;
            }else if (_camera_count <= 0 && _camera_vec == -1) {
                _camera_vec = 1;
            }
            _camera_count = _camera_count+_camera_vec;
        }
        
        private function moveLine():void {
            for (var j:uint = 0; j < _line_num; j++ ) {
                if (!_line_aim[j][0]) {
                    var t:uint = random(0, _sphere_point_list.length);
                    var tt:uint = random(0, _sphere_point_list[0].length);
                    _line_aim[j][0] = true;
                    _line_aim[j][1] = _sphere_point_list[t][tt][0];
                    _line_aim[j][2] = _sphere_point_list[t][tt][1];
                    _line_aim[j][3] = _sphere_point_list[t][tt][2];
                }else if (floor(_line_aim[j][1] - _line_head_point_list[j].x) < 0.01 && 
                            floor(_line_aim[j][2] - _line_head_point_list[j].y) < 0.01 && 
                            floor(_line_aim[j][3] - _line_head_point_list[j].z) < 0.01) {
                    _line_aim[j][0] = false;
                }
                
                setPointHead(j, _line_aim[j][1], _line_aim[j][2], _line_aim[j][3]);
            }
            drawLine();
        }
        private function setPointHead(pi:uint, targetX:Number, targetY:Number, targetZ:Number):void {
            var vx:Number = ( targetX - _line_head_point_list[pi].x ) / 10;
            var vy:Number = ( targetY - _line_head_point_list[pi].y ) / 10;
            var vz:Number = ( targetZ - _line_head_point_list[pi].z ) / 10;
            _line_head_point_list[pi].x += vx;
            _line_head_point_list[pi].y += vy;
            _line_head_point_list[pi].z += vz;
        }
        
        private function drawLine():void {
            var i:int, j:int;
            colorMode( HSV, 1, 1, 1 );
            pushMatrix();
            translate(_w / 2, _h / 2, 0);
            for (j = 0; j < _line_num; j++ ) {
                if (_line_point_list[j].length >= 3) {
                    var length_last:int = _line_point_list[j].length - 1;
                    stroke(0, 0, 1, 0.4);
                    //strokeWeight(2);
                    beginShape();
                    //translate(_w / 2, _h / 2, 0);
                    for (i = length_last - 1; i >= 0; i-- ) {
                        _line_point_list[j][i].x += _line_point_list[j][i].vx;
                        _line_point_list[j][i].y += _line_point_list[j][i].vy;
                        _line_point_list[j][i].z += _line_point_list[j][i].vz;
                        curveVertex3d( _line_point_list[j][i].x, _line_point_list[j][i].y, _line_point_list[j][i].z );
                    }
                }
            }
            popMatrix();
        }
        
        private function getSphere( radius:Number ):Array{
            // POINTS, LINES, TRIANGLES, TRIANGLE_FAN, TRIANGLE_STRIP, QUADS, QUAD_STRIP 
            var dh:Number = TWO_PI/_sphere_segments;
            var dv:Number = PI/_sphere_segments;
            var i:int, j:int, h:Number, h2:Number, r:Number, r2:Number, dr:Number;
            var xx:Number, yy:Number, zz:Number;
            
            var points_list:Array = new Array();
            for ( j = 1; j < _sphere_segments-1; j++ ){
                dr = dv * j;
                h  = -radius * Math.cos(dr);
                r  =  radius * Math.sin(dr);
                h2 = -radius * Math.cos(dr + dv );
                r2 =  radius * Math.sin(dr + dv );
                
                points_list[j - 1] = new Array();
                for ( i = 0; i <= _sphere_segments; i++ ){
                    var c:Number = Math.cos( -dh * i );
                    var s:Number = Math.sin( -dh * i );
                    var rc:Number = r * c;
                    var rs:Number = r * s;
                    points_list[j - 1][i*2] = [rc ,  h,  rs];
                    var r2c:Number = r2 * c;
                    var r2s:Number = r2 * s;
                    points_list[j - 1][i*2+1] = [r2c, h2, r2s];
                }
            }
            
            return points_list;
        }
        
        private function moveSphere():void {
            pushMatrix();
            translate(_w / 2, _h / 2, 0);
            
            var count:uint = 0;
            colorMode( HSV, 1, 1, 1 );
            strokeWeight(1);
            for (var j:uint = 1; j <= _sphere_segments * 2; j++ ) {
                if (j % 2 == 0) {
                    beginShape();
                    for ( var i:uint = 0; i < _sphere_point_list.length; i++ ) {
                        stroke(0, 0, 1, 0.2);
                        if(i%2==1){
                            curveVertex3d( _sphere_point_list[i][j][0], _sphere_point_list[i][j][1], _sphere_point_list[i][j][2] );
                            
                        }else {
                            curveVertex3d( _sphere_point_list[i][j - 1][0], 
                                           _sphere_point_list[i][j - 1][1], 
                                           _sphere_point_list[i][j - 1][2]);
                        }
                        
                        if (count >= _count) {
                            _count++;
                            break;
                        }else if(count >= _sphere_segments * 2*10) {
                            _start_flg = true;
                        }
                        count++;
                    }
                }
            }
            popMatrix();
        }
        
        public function mousePressed():void {
            if (_mouse_flg) {
                loop();
                _mouse_flg = false;
            }else {
                noLoop();
                _mouse_flg = true;
            }
        }
        
    }
}

class ekPoint {
    public var x:Number = 0;
    public var y:Number = 0;
    public var z:Number = 0;
    public var vx:Number = 0;
    public var vy:Number = 0;
    public var vz:Number = 0;
    
    public function ekPoint( p_x:Number, p_y:Number, p_z:Number ) {
        x = p_x;
        y = p_y;
        z = p_z;
    }
    
}