forked from: Fill Hart

cubicCurveToを使って塗りのあるハートを描画

by zahir 20 Oct 2011

• Forked from zahir's Fill Hart
• Diff: 17
• Related works: 1
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// forked from zahir's Fill Hart
//Frocessingを使って塗りのあるハートを描画
package {
    import flash.display.Graphics;
    import flash.display.Sprite;
    import flash.geom.Point;

    [SWF(width="465", height="465")] 

    public class Hart2 extends Sprite{
        
        public var dx:Number=0; public var dy:Number=0; // 描画原点
        public var lineW:Number; public var lineC:uint; public var lineA:Number; public var mode:String;
        public var fillC:uint; public var fillA:Number;
        
        private var hW:Number; private var hH:Number;
        private var r:Number; private var r2:Number; private var r3:Number; private var r4:Number;
        private var margin:Number; private var bh:Number;
        private var theta:Number;
        
        private var top:Point; private var bottom:Point;
        private var rlpt:Point; private var rrpt:Point;
        private var lpt1:Point; private var rpt1:Point;
        private var lpt2:Point; private var rpt2:Point;
        private var lpt3:Point; private var rpt3:Point;
        
        //左の分　右の分
        private var hcpt1:Point; private var hcpt5:Point;
        private var hcpt2:Point; private var hcpt6:Point;
        private var hcpt3:Point; private var hcpt7:Point;
        private var hcpt4:Point; private var hcpt8:Point;
        
        
        public function Hart2(){
            super();
            var w:int = 240;
            var h:int = 210;
            hW = w/2; hH =h/2;
            
            r = Math.round(hW/1.704);//半径
            rlpt = new Point(r,r);
            rrpt = new Point(w-r,r);
            
            r2 = hW - r;
            margin = r-r2;
            r3 = r+margin;
            bh = (h-hW)/2;
            theta = Math.atan(r2/bh) * 180 / Math.PI;
            r4 = r*1.15;
            
            var t3:Number=28.2;
            
            lpt1 = sumPoint(rlpt,r,360-theta); rpt1 = sumPoint(rrpt,r,theta);
            lpt2 = sumPoint(rlpt,r,270-theta); rpt2 = sumPoint(rrpt,r,270+theta);
            lpt3 = sumPoint(rlpt,r,180-theta); rpt3 = sumPoint(rrpt,r,180+theta);
            hcpt1 = sumPoint(rlpt,r4,360-theta-t3); hcpt5 = sumPoint(rrpt,r4,theta-t3);
            hcpt2 = sumPoint(rlpt,r4,270-theta+t3); hcpt6 = sumPoint(rrpt,r4,270+theta+t3);
            hcpt3 = sumPoint(rlpt,r4,270-theta-t3); hcpt7 = sumPoint(rrpt,r4,270+theta-t3);
            hcpt4 = sumPoint(rlpt,r4,180-theta+t3); hcpt8 = sumPoint(rrpt,r4,180+theta+t3);
            var r7:Number = margin+(lpt1.y -margin)/2;
            top = new Point(hW,r7); bottom = new Point(hW,h);
            
            var g:Graphics = graphics;
            g.lineStyle(5, 0xFF0000, 0.5)
            g.beginFill(0xFF66CC);
            
            g.moveTo(top.x, top.y);

            //g.lineTo(lpt1.x , lpt1.y);
            g.cubicCurveTo(hcpt1.x, hcpt1.y, hcpt2.x, hcpt2.y, lpt2.x, lpt2.y);
            g.cubicCurveTo(hcpt3.x, hcpt3.y, hcpt4.x, hcpt4.y, lpt3.x, lpt3.y);
            g.lineTo(bottom.x,bottom.y);
            g.lineTo(rpt1.x,rpt1.y);
            g.cubicCurveTo(hcpt5.x, hcpt5.y, hcpt6.x, hcpt6.y, rpt2.x, rpt2.y);
            g.cubicCurveTo(hcpt7.x, hcpt7.y, hcpt8.x, hcpt8.y, top.x,top.y);
            //g.lineTo(top.x,top.y);
            
            g.endFill();
            this.x = 30;
            this.y = 35;

            Wonderfl.capture_delay( 1 );
        }
        private function sumPoint(c:Point,rr:Number,theta:Number):Point{
            var rad:Number = Math.PI/180*theta;
            var cos:Number = c.x + rr * Math.cos(rad);
            var sin:Number = c.y + rr * Math.sin(rad);
            var pt:Point = new Point(cos,sin);
            return pt;
        }
    }
}