バラ曲線リスト

バラ曲線のリスト
　　　　r = sin(θ * n/d)
このリストは横軸がn(1～8)　縦軸がd(1～8)

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modified : 2013-01-06 21:14:39

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//
//      バラ曲線のリスト
//　　　　r = sin(θ * n/d)
//      このリストは横軸がn(1～8)　縦軸がd(1～8)

package 
{
    import flash.display.Sprite;
[SWF(width=465, height=465, frameRate=30, backgroundColor=0x000000)]    
    public class roseList extends Sprite
    {
        public function roseList()
        {
            this.graphics.beginFill(0);
            this.graphics.drawRect(0,0,465,465);
            this.graphics.endFill();
            for (var d:uint = 0; d < 8; d++)
            {
                for (var n:uint = 0; n < 8; n++)
                {
                    var r:Rose = new Rose(25, n + 1, d + 1);
                    addChild(r);
                    r.x = n * 55 +40;
                    r.y = d * 55 +40;
                }
            }
        }
    }
}
import flash.display.Shape;

class Rose extends Shape
{
    public function Rose(radius:Number,n:uint,d:uint)
    {
        var c:Number = n/d;
        
        this.graphics.lineStyle(1, 0xffffff);
        this.graphics.moveTo(0,0);
            
        for(var i:uint=0; i<360*d; i++)
        {
            var rad:Number = i * Math.PI /180;
            var v:Number = Math.sin(c * rad);
            var r:Number = radius * v;
                
            var x:Number = r * Math.cos(rad);
            var y:Number = r * Math.sin(rad);
                
            this.graphics.lineTo(x,y);
        }
        this.graphics.endFill();
    }
}

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