Code Flower Bed

形も色も微妙に違う花をコードで表現。

by kenji_special 13 Oct 2011

Embed

/**
 * Copyright kenji_special ( http://wonderfl.net/user/kenji_special )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/th39
 */

package {
    import flash.display.Sprite;
    
    [SWF(backgroundColor="0", width="465", height="465")]
    public class FlashTest extends Sprite {
        public function FlashTest() {
            var canvas:Sprite = new Sprite();
            canvas.graphics.beginFill(0x000000);
            canvas.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
            this.addChild(canvas);
            
            var flTest:flowerBase = new flowerBase(stage.stageWidth, stage.stageHeight );
            //trace(flTest.width);
            //trace(flTest.height);
            
            flTest.x = (465- flTest.width)/2 ;
            flTest.y = (465 -flTest.height)/2 ;
            canvas.addChild(flTest);
            
        }    
    }
    
}


import flash.display.Sprite;

internal class flowerBase extends Sprite
    {
        public function flowerBase(w:Number, h:Number)
        {
            var setX:Number;
            var setY:Number;
            
            var baseRad:Number = 20;
            var noiseVal:Number =  0;
            var varRad:Number ;
            var totalRad:Number;
            
            var haba:Number =40;
            var choseiY:int = 0;
            
            var firstX:Number;
            var firstY:Number;
            
            var nextX:Number;
            var nextY:Number;
            
            
            //graphics.lineStyle(1, 0x000000, );
            
            
            var rMax:Number = Math.sqrt(w*w/4 + h * h/4);
            //graphics.beginFill(0xffffff);
            
            for(var lin:int = 0; lin < 6; lin++){
                
                setY = baseRad * ( 2*lin + 1) + lin*haba;
                
                for(var col:int = 0; col < 6; col++){
                    
                    setX = baseRad * ( 2*col + 1) + haba * col;
                    
                    
                        varRad = 5 * customNoise(noiseVal);
                        totalRad = baseRad + varRad;
                        firstX = totalRad * Math.cos(0) + setX;
                        firstY = totalRad * Math.sin(0) + setY;
                            
                        graphics.moveTo(firstX, firstY);
                        
                        for(var i:int = 1; i < 360; i++){
                            noiseVal += 0.1;
                            varRad = 5 * customNoise(noiseVal) * 0.5* (Math.random() + 1);
                            totalRad = baseRad + varRad;
                            
                            nextX = totalRad * Math.cos(i/180 * Math.PI) + setX;
                            nextY = totalRad * Math.sin(i/180 * Math.PI) + setY;
                            
                            var kaku:Number = Math.atan2(nextY- h/2 +choseiY , nextX - w/2 ) /Math.PI * 180;
                            var kyori:Number = Math.sqrt((nextY - h/2 + choseiY)*(nextY - h/2 + choseiY) + (nextX - w/2  ) * (nextX - w/2));
                            var colString :String = HSVtoRGB(kaku, kyori/rMax + 0.3, 1);
                            
                            this.graphics.lineStyle(1, int(colString));                            
                            graphics.lineTo(nextX, nextY);
                        }
                        graphics.lineTo(firstX, firstY);
                        

                            
                            for(var cenRad:int = 0; cenRad < 6; cenRad += 1){
                            var gosa:Number = 1;
                            graphics.moveTo(setX + cenRad*Math.cos(0), setY + cenRad * Math.sin(0));
                            for(var ii:int = 0; ii < 360; ii+= 6){
                                
                                var nextCenX:Number = setX + cenRad * Math.cos(ii/180 * Math.PI) + gosa * Math.random();
                                var nextCenY:Number = setY + cenRad * Math.sin(ii/180 *Math.PI) + gosa * Math.random();
                                
                                var kakuCen:Number = Math.atan2(nextCenY - h/2 + choseiY, nextCenX - w/2) /Math.PI * 180;
                                var kyoriCen:Number = Math.sqrt((nextCenY - h/2 + choseiY)*(nextCenY - h/2 + choseiY) + (nextCenX - w/2) * (nextCenX - w/2));
                                var colStringCen :String = HSVtoRGB(kakuCen, kyoriCen/rMax + 0.3, 1);
                                
                                
                                this.graphics.lineStyle(1, int(colStringCen), 0.3);
                                graphics.lineTo(nextCenX , nextCenY);
                            
                            }
                             

                            
                            }
                }
            }
        }
        
        public function HSVtoRGB( h:Number, s:Number, v:Number ):String
        {
            var r:Number=0, g:Number=0, b:Number=0;
            var i:Number, x:Number, y:Number, z:Number;
            if(s<0) s=0; if(s>1) s=1; if(v<0) v=0; if(v>1) v=1;
            h = h % 360; if (h < 0) h += 360; h /= 60;
            i = h >> 0;
            x = v * (1 - s); y = v * (1 - s * (h - i)); z = v * (1 - s * (1 - h + i));
            switch(i){
                case 0 : r=v; g=z; b=x; break;
                case 1 : r=y; g=v; b=x; break;
                case 2 : r=x; g=v; b=z; break;
                case 3 : r=x; g=y; b=v; break;
                case 4 : r=z; g=x; b=v; break;
                case 5 : r=v; g=x; b=y; break;
            }
            
            
            var colString:String = "0x";
            r *= 255;
            g *= 255;
            b *= 255;
            
            if(r >= 16){
                colString += r.toString("16");
            }else{
                colString += "0" + r.toString("16");
            }
            
            if(g >= 16){
                colString += g.toString("16");
            }else{
                colString += "0" + g.toString("16");
            }
            
            if(b >= 16){
                colString += b.toString("16");
            }else{
                colString += "0" + b.toString("16");
            }
            
            return colString;
        }
        
        public function customNoise(vari:Number):Number{
            var radVari:Number =  Math.pow(Math.cos(vari), 3);
            return radVari;
        }
        
    }