forked from: [QuickBox2D] Soft Object #3
centerを多角形にして周りをジェルで覆うイメージにしてみた
/**
* Copyright aobyrne ( http://wonderfl.net/user/aobyrne )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/rqIR
*/
// forked from Kay's [QuickBox2D] Soft Object #3
// forked from Kay's [QuickBox2D] Soft Object #2
// forked from Kay's forked from: QuickBox2D sample
// forked from mash's QuickBox2D sample
/*
* centerを多角形にして周りをジェルで覆うイメージにしてみた
*/
package {
import flash.display.*;
import com.actionsnippet.qbox.*;
import flash.geom.*;
import flash.events.*;
public class FlashTest extends MovieClip {
private const SW:Number = stage.stageWidth;
private const SH:Number = stage.stageHeight;
private const radius:Number = 0.2;
private var inner:Array = new Array();
private var outer:Array = new Array();
private const jHz:Number = 100;
private const jDr:Number = 100;
private const nColor:int = 0xff0000;
public function FlashTest() {
stage.frameRate = 60;
var sim:QuickBox2D = new QuickBox2D(this, { debug:true, gravityX:0, gravityY:10 });
sim.createStageWalls();
var center:Point = new Point(SW/2/30, SH/2/30);
var nRadius:Number = 2;
// Outer
for (var o:int = 0; o < 12; o++) {
nR = Math.PI*2/12*o;
var dot:QuickObject = sim.addCircle({
x:center.x+nRadius*Math.cos(nR),
y:center.y+nRadius*Math.sin(nR),
radius:radius, fillAlpha:0, lineAlpha:0 , fixedRotation:true
,restitution:0.1
,linearDamping:0.9
});
outer.push(dot);
if (o > 0) {
sim.addJoint({a:outer[o-1].body, b:dot.body, frequencyHz:jHz, dampingRatio:jDr});
}
}
sim.addJoint({a:outer[11].body, b:outer[0].body, frequencyHz:jHz, dampingRatio:jDr});
//Inner
for (var i:int = 0; i < 6; i++) {
var nR:Number = Math.PI*2/6*i;
var p:Point = new Point(nRadius*0.75*Math.cos(nR), nRadius*0.75*Math.sin(nR));
inner.push(p);
}
// Center
var centerPoly:QuickObject = sim.addPoly({x:center.x, y:center.y,
verts:[[inner[0].x,inner[0].y,
inner[1].x,inner[1].y,
inner[2].x,inner[2].y,
inner[3].x,inner[3].y, inner[4].x,inner[4].y, inner[5].x,inner[5].y]], density:5,fillAlpha:0, lineAlpha:0});
// Outer
for (i = 0; i < 6; i++) {
sim.addJoint({a:outer[i*2+1].body, b:centerPoly.body, x2:inner[i].x+center.x, y2:inner[i].y+center.y, frequencyHz:jHz, dampingRatio:jDr});
sim.addJoint({a:outer[i*2].body, b:centerPoly.body, x2:inner[i].x+center.x, y2:inner[i].y+center.y, frequencyHz:jHz, dampingRatio:jDr});
sim.addJoint({a:outer[(i*2-1+12)%12].body, b:centerPoly.body, x2:inner[i].x+center.x, y2:inner[i].y+center.y, frequencyHz:jHz, dampingRatio:jDr});
}
sim.start();
sim.mouseDrag();
addEventListener(Event.ENTER_FRAME, xFake);
}
private function xFake(e:Event):void {
graphics.clear();
graphics.lineStyle(10,nColor);
graphics.beginFill(nColor);
var sPos:Point = new Point();
for (var i:int = 0; i < 12; i++) {
var circle:QuickObject = outer[i];
if (i == 0) {
sPos = new Point(circle.x*30, circle.y*30);
graphics.moveTo(sPos.x, sPos.y);
} else {
graphics.lineTo(circle.x*30,circle.y*30);
}
}
graphics.lineTo(sPos.x, sPos.y);
graphics.endFill();
}
}
}