pkg/box2d: 0.2.0 release

lib/src/dynamics/joints/mouse_joint.dart

 /*******************************************************************************
  * Copyright (c) 2015, Daniel Murphy, Google
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *  * Redistributions of source code must retain the above copyright notice,
  *    this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
@@ skipping 119 matching lines @@
     assert(d + h * k > Settings.EPSILON);
     _gamma = h * (d + h * k);
     if (_gamma != 0.0) {
       _gamma = 1.0 / _gamma;
     }
     _beta = h * k * _gamma;
 
     Vector2 temp = pool.popVec2();
 
     // Compute the effective mass matrix.
-    Rot.mulToOutUnsafe(
-        qB, temp.setFrom(_localAnchorB).sub(_localCenterB), _rB);
+    Rot.mulToOutUnsafe(qB, temp.setFrom(_localAnchorB).sub(_localCenterB), _rB);
 
     // K = [(1/m1 + 1/m2) * eye(2) - skew(r1) * invI1 * skew(r1) - skew(r2) * invI2 * skew(r2)]
     // = [1/m1+1/m2 0 ] + invI1 * [r1.y*r1.y -r1.x*r1.y] + invI2 * [r1.y*r1.y -r1.x*r1.y]
     // [ 0 1/m1+1/m2] [-r1.x*r1.y r1.x*r1.x] [-r1.x*r1.y r1.x*r1.x]
     final Matrix2 K = pool.popMat22();
     double a11 = _invMassB + _invIB * _rB.y * _rB.y + _gamma;
     double a21 = -_invIB * _rB.x * _rB.y;
     double a12 = a21;
     double a22 = _invMassB + _invIB * _rB.x * _rB.x + _gamma;
 
@@ skipping 55 matching lines @@
     vB.x += _invMassB * impulse.x;
     vB.y += _invMassB * impulse.y;
     wB += _invIB * _rB.cross(impulse);
 
 //    data.velocities[_indexB].v.set(vB);
     data.velocities[_indexB].w = wB;
 
     pool.pushVec2(3);
   }
 }