なんか虫みたいなの
wonderfl QuickBox2D対応記念
* http://www.planet-ape.net/blog/archives/826
/**
* Copyright fumix ( http://wonderfl.net/user/fumix )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/dOra
*/
/**
* wonderfl QuickBox2D対応記念
* http://www.planet-ape.net/blog/archives/826
**/
package {
import flash.events.MouseEvent;
import Box2D.Common.Math.b2Vec2;
import Box2D.Dynamics.Joints.b2RevoluteJoint;
import com.actionsnippet.qbox.QuickBox2D;
import com.actionsnippet.qbox.QuickObject;
import flash.display.MovieClip;
import flash.events.Event;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
[SWF(width = 465, height = 465, backgroundColor = 0x222222, frameRate = 60)]
/**
* @author fumix
*/
public class Main extends MovieClip {
private var sim : QuickBox2D;
private var objectArray:Array;
private var debugTextField : TextField;
/**
* コンストラクタ
*/
public function Main() {
//ボタン設置
var resetButtonText : TextField = new TextField();
resetButtonText.selectable = false;
resetButtonText.text = "リセット";
resetButtonText.autoSize = TextFieldAutoSize.LEFT;
resetButtonText.background = true;
resetButtonText.backgroundColor = 0x666666;
resetButtonText.border = true;
resetButtonText.x = 20;
resetButtonText.y = 20;
addChild(resetButtonText);
resetButtonText.addEventListener(MouseEvent.CLICK, onRestButtonClick);
//テキストエリア設置
debugTextField = new TextField();
debugTextField.textColor = 0xFFFFFF;
debugTextField.multiline = true;
debugTextField.width = 200;
debugTextField.height = 150;
debugTextField.x = 20;
debugTextField.y = 40;
addChild(debugTextField);
//QuickBox2D初期設定
sim = new QuickBox2D(this);
sim.setDefault({fillColor:0x000000, lineColor:0xCCCCCC});
sim.createStageWalls();
//オブジェクト10個生成
objectArray = new Array();
for (var i : int = 0; i < 10; i++) {
objectArray.push(creatObject());
}
//各ジョイントの回転角度制限
for (i = 0;i < objectArray.length;i++) {
resetObject(objectArray[i]);
}
//各ジョイントの角速度設定
for (i = 0;i < objectArray.length;i++) {
setWalkDir(3,objectArray[i]);
}
//フレーム毎の動き
addEventListener(Event.ENTER_FRAME, onLoop);
//スタート
sim.start();
sim.mouseDrag();
}
private function onRestButtonClick(event : MouseEvent) : void {
//各ジョイントの回転角度制限
for (var i:int = 0;i < objectArray.length;i++) {
resetObject(objectArray[i]);
}
}
/**
* オブジェクトの生成
*/
private function creatObject() : Object {
sim.setDefault({fillColor:0x000000, lineColor:0xCCCCCC});
var legA : QuickObject = sim.addBox({x:2, y:5, width:1.5, height:0.3, groupIndex:-2});
var legB : QuickObject = sim.addBox({x:2 + 1.3, y:5, width:1.5, height:0.3, groupIndex:-2});
var legC : QuickObject = sim.addBox({x:2 + 1.3 * 2, y:5, width:1.5, height:0.3, groupIndex:-2});
var legD : QuickObject = sim.addBox({x:2 + 1.3 * 3, y:5, width:1.5, height:0.3, groupIndex:-2});
//ジョイントの設置
sim.setDefault({type:"revolute"});
var anchorX : Number = legA.x + (legB.x - legA.x) / 2;
var anchorY : Number = legA.y;
var revJointA : QuickObject = sim.addJoint({enableLimit:true, a:legA.body, b:legB.body, x1:anchorX, y1:anchorY, enableMotor:true, maxMotorTorque:80});
anchorX = legB.x + (legC.x - legB.x) / 2;
var revJointB : QuickObject = sim.addJoint({enableLimit:true, a:legB.body, b:legC.body, x1:anchorX, y1:anchorY, enableMotor:true, maxMotorTorque:80});
anchorX = legC.x + (legD.x - legC.x) / 2;
var revJointC : QuickObject = sim.addJoint({enableLimit:true, a:legC.body, b:legD.body, x1:anchorX, y1:anchorY, enableMotor:true, maxMotorTorque:80});
return {a:legA,b:legB, c:legC, d:legD, jointA:revJointA, jointB:revJointB, jointC:revJointC};
}
private function resetObject(obj:Object) : void {
var j : b2RevoluteJoint;
var legA:QuickObject = obj.a;
var legB:QuickObject = obj.b;
var legC:QuickObject = obj.c;
var legD:QuickObject = obj.d;
var revJointA:QuickObject = obj.jointA;
var revJointB:QuickObject = obj.jointB;
var revJointC:QuickObject = obj.jointC;
var angleA : Number = Math.PI * Math.random();
j = revJointA.joint as b2RevoluteJoint;
j.SetLimits(-angleA, angleA);
var angleB : Number = Math.PI * Math.random();
j = revJointB.joint as b2RevoluteJoint;
j.SetLimits(-angleB, angleB);
var angleC : Number = Math.PI * Math.random();
j = revJointC.joint as b2RevoluteJoint;
j.SetLimits(-angleC, angleC);
debugTextField.htmlText = 'A:' + angleA * 180 / Math.PI;
debugTextField.htmlText += 'B:' + angleB * 180 / Math.PI;
debugTextField.htmlText += 'C:' + angleC * 180 / Math.PI;
//速度をリセット
var v : b2Vec2 = legA.body.GetLinearVelocity();
v.Set();
legA.body.SetLinearVelocity(v);
legB.body.SetLinearVelocity(v);
legC.body.SetLinearVelocity(v);
legD.body.SetLinearVelocity(v);
legA.setLoc(2, 5);
legB.setLoc(2+1.3, 5);
legC.setLoc(2+1.3*2, 5);
legD.setLoc(2+1.3*3, 5);
}
private function onLoop(event : Event) : void {
//setWalkDir(2);
for (var i:int = 0;i < objectArray.length;i++) {
repeatWalk(objectArray[i]);
}
}
private function setWalkDir(dir : Number,obj:Object) : void {
var j : b2RevoluteJoint;
var revJointA:QuickObject = obj.jointA;
var revJointB:QuickObject = obj.jointB;
var revJointC:QuickObject = obj.jointC;
j = revJointA.joint as b2RevoluteJoint;
j.SetMotorSpeed(dir);
j = revJointB.joint as b2RevoluteJoint;
j.SetMotorSpeed(dir * -1);
j = revJointC.joint as b2RevoluteJoint;
j.SetMotorSpeed(dir);
}
private function repeatWalk(obj:Object) : void {
var revJointA:QuickObject = obj.jointA;
var revJointB:QuickObject = obj.jointB;
var revJointC:QuickObject = obj.jointC;
var j : b2RevoluteJoint;
j = revJointA.joint as b2RevoluteJoint;
if(j.GetLowerLimit() > j.GetJointAngle() || j.GetUpperLimit() < j.GetJointAngle()) j.SetMotorSpeed(j.GetMotorSpeed() * -1);
j = revJointB.joint as b2RevoluteJoint;
if(j.GetLowerLimit() > j.GetJointAngle() || j.GetUpperLimit() < j.GetJointAngle()) j.SetMotorSpeed(j.GetMotorSpeed() * -1);
j = revJointC.joint as b2RevoluteJoint;
if(j.GetLowerLimit() > j.GetJointAngle() || j.GetUpperLimit() < j.GetJointAngle()) j.SetMotorSpeed(j.GetMotorSpeed() * -1);
}
}
}