forked from: 色相環
操作すると重くなるのを修正。
graphics.clear();
打っただけだけど
/**
* Copyright zahir ( http://wonderfl.net/user/zahir )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/7aO2
*/
// forked from termat's 色相環
//操作すると重くなるのを修正。
//graphics.clear();
//打っただけだけど
package
{
import com.bit101.components.Label;
import com.bit101.components.Slider;
import flash.display.Sprite;
import flash.events.Event;
[SWF(framerate="30",width="480",height="480",backgroundColor="0xffffff")]
public class Practice21 extends Sprite{
private var list:Vector.<HSVCircle>;
private var label:Label;
private var slider:Slider;
public function Practice21() {
var r:RGBCircle = new RGBCircle(200,180);
r.x = 240;
r.y = 240;
this.addChild(r);
list = new Vector.<HSVCircle>();
for (var i:int = 0; i < 10; i++) {
var h:HSVCircle = new HSVCircle(170 - i * 15, 170 - i * 15 - 15, (10 - i) / 10, 1);
h.x = 240;
h.y = 240;
this.addChild(h);
list.push(h);
}
label = new Label();
label.width = 20;
label.text = "1.0";
label.x = 350;
label.y = 455;
this.addChild(label);
slider = new Slider(Slider.HORIZONTAL, this, 0, 0, onChange);
slider.width = 200;
slider.maximum = 10;
slider.minimum = 0;
slider.value = 10;
slider.x = 140;
slider.y = 460;
this.addChild(slider);
}
private function onChange(e:Event):void {
var val:Number = Math.round(slider.value) / 10.0;
if (val == list[0].value) return;
label.text = val.toString();
for each(var h:HSVCircle in list) {
h.value = val;
h.init();
}
}
}
}
import Box2D.Dynamics.Contacts.b2ContactResult;
import flash.display.MovieClip;
class ColorCircle extends MovieClip {
private var radiusOuter:Number;
private var radiusInner:Number;
public function ColorCircle(r0:Number, r1:Number):void {
radiusOuter = Math.max(r0, r1);
radiusInner = Math.min(r0, r1);
}
public function init():void {
graphics.clear();
for (var i:int = 0; i < 360; i++) {
var x0:Number = Math.cos(i / 180 * Math.PI);
var y0:Number = Math.sin(i / 180 * Math.PI);
var x1:Number = Math.cos((i + 1) / 180 * Math.PI);
var y1:Number = Math.sin((i + 1) / 180 * Math.PI);
graphics.beginFill(getColor(i));
graphics.moveTo(x0 * radiusInner, y0 * radiusInner);
graphics.lineTo(x0 * radiusOuter, y0 * radiusOuter);
graphics.lineTo(x1 * radiusOuter, y1 * radiusOuter);
graphics.lineTo(x1 * radiusInner, y1 * radiusInner);
graphics.lineTo(x0 * radiusInner, y0 * radiusInner);
graphics.endFill();
}
}
public function getColor(i:int):uint {
return 0;
}
}
class RGBCircle extends ColorCircle{
private var red:Spline= new Spline(
new Array( 0, 60,120,240,300,360),
new Array(255,255, 0, 0,255,255));
private var green:Spline= new Spline(
new Array( 0, 60,180,240,360),
new Array( 0,255,255, 0, 0));
private var blue:Spline= new Spline(
new Array( 0,120,180,300,360),
new Array( 0, 0,255,255, 0));
public function RGBCircle(r0:Number,r1:Number):void {
super(r0, r1);
init();
}
override public function getColor(i:int):uint {
var rr:int = Math.max(0, Math.min(255, red.interpolate(i)));
var gg:int = Math.max(0, Math.min(255, green.interpolate(i)));
var bb:int = Math.max(0, Math.min(255, blue.interpolate(i)));
var color:uint = (rr << 16) + (gg << 8) + bb;
return color;
}
}
class HSVCircle extends ColorCircle {
public var saturation:Number=1.0;
public var value:Number=1.0;
public function HSVCircle(r0:Number,r1:Number,s:Number,v:Number):void {
super(r0, r1);
this.saturation = s;
this.value = v;
init();
}
override public function getColor(i:int):uint {
var h:Number = i / 60;
var ii:Number = Math.floor(h);
var ff:Number = h - ii;
var p1:Number = value * (1.0 - saturation);
var p2:Number = value * (1.0 - saturation * ff);
var p3:Number = value * (1.0 - saturation * (1.0 - ff));
var rv:Number;
var gv:Number;
var bv:Number;
switch(ii) {
case 0:
rv = value; gv = p3; bv = p1;
break;
case 1:
rv = p2; gv = value; bv = p1;
break;
case 2:
rv = p1; gv = value; bv = p3;
break;
case 3:
rv = p1; gv = p2; bv = value;
break;
case 4:
rv = p3; gv = p1; bv = value;
break;
default:
rv = value; gv = p1; bv = p2;
}
var rr:int = Math.max(0, Math.min(255, rv * 255));
var gg:int = Math.max(0, Math.min(255, gv * 255));
var bb:int = Math.max(0, Math.min(255, bv * 255));
var color:uint = (rr << 16) + (gg << 8) + bb;
return color;
}
}
class Spline {
private var num:int;
private var x:Array;
private var y:Array;
private var z:Array;
public function Spline(x:Array,y:Array):void{
this.x = x;
this.y = y;
num = this.x.length;
init();
}
private function init():void{
z = new Array();
var h:Array = new Array();
var d:Array=new Array();
z[0]=z[num-1]=0;
for(var i:int=0;i<num-1;i++){
h[i]=x[i+1]-x[i];
d[i+1]=(y[i+1]-y[i])/ h[i];
}
z[1]=d[2]-d[1]-h[0]*z[0];
d[1]=2*(x[2]-x[0]);
for(i=1;i<num-2;i++){
var t:Number=h[i]/d[i];
z[i+1]=d[i+2]-d[i+1]-z[i]*t;
d[i+1]=2*(x[i+2]-x[i])-h[i]*t;
}
z[num-2] -=h[num-2]*z[num-1];
for(i=num-2;i>0;i--){
z[i]=(z[i]-h[i]*z[i+1])/d[i];
}
}
public function interpolate(t:Number):Number{
var i:int=0;
var j:int=num-1;
while(i<j){
var k:int=(i+j)/2;
if(x[k]<t){
i=k+1;
}else{
j = k;
}
}
if(i>0)i--;
var h:Number=x[i+1]-x[i];
var d:Number= t - x[i];
return (((z[i+1]-z[i])*d/h+z[i]*3)*d
+((y[i+1]-y[i])/ h
-(z[i]*2+z[i+1])*h))*d+y[i];
}
}