Lines Matching refs:m_u
321 Box2D.inherit(U,Box2D.Dynamics.Joints.b2Joint);U.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;U.b2DistanceJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_u=new w};U.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};U.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};U.prototype.GetReactionForce=function(d){if(d===undefined)d=
322 0;return new w(d*this.m_impulse*this.m_u.x,d*this.m_impulse*this.m_u.y)};U.prototype.GetReactionTorque=function(){return 0};U.prototype.GetLength=function(){return this.m_length};U.prototype.SetLength=function(d){if(d===undefined)d=0;this.m_length=d};U.prototype.GetFrequency=function(){return this.m_frequencyHz};U.prototype.SetFrequency=function(d){if(d===undefined)d=0;this.m_frequencyHz=d};U.prototype.GetDampingRatio=function(){return this.m_dampingRatio};U.prototype.SetDampingRatio=function(d){if(d===
324 j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchor2.x-o.m_sweep.localCenter.x,c=this.m_localAnchor2.y-o.m_sweep.localCenter.y;l=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=l;this.m_u.x=o.m_sweep.c.x+a-j.m_sweep.c.x-q;this.m_u.y=o.m_sweep.c.y+c-j.m_sweep.c.y-n;l=Math.sqrt(this.m_u.x*this.m_u.x+this.m_u.y*this.m_u.y);l>F.b2_linearSlop?this.m_u.Multiply(1/l):this.m_u.SetZero();h=q*this.m_u.y-n*this.m_u.x;var g=a*this.m_u.y-c*this.m_u.x;
325 h=j.m_invMass+j.m_invI*h*h+o.m_invMass+o.m_invI*g*g;this.m_mass=h!=0?1/h:0;if(this.m_frequencyHz>0){l=l-this.m_length;g=2*Math.PI*this.m_frequencyHz;var b=this.m_mass*g*g;this.m_gamma=d.dt*(2*this.m_mass*this.m_dampingRatio*g+d.dt*b);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_bias=l*d.dt*b*this.m_gamma;this.m_mass=h+this.m_gamma;this.m_mass=this.m_mass!=0?1/this.m_mass:0}if(d.warmStarting){this.m_impulse*=d.dtRatio;d=this.m_impulse*this.m_u.x;h=this.m_impulse*this.m_u.y;j.m_linearVelocity.x-=
327 l.m_sweep.localCenter.x,a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=-this.m_mass*(this.m_u.x*(l.m_linearVelocity.x+-l.m_angularVelocity*a-(h.m_linearVelocity.x+-h.m_angularVelocity*o))+this.m_u.y*(l.m_linearVelocity.y+l.m_angularVelocity*n-(h.m_linearVelocity.y+h.m_angularVelocity*j))+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=q;d=q*this.m_u.x;q=q*this.m_u.y;h.m_linearVelocity.x-=h.m_invMass*d;h.m_linearVelocity.y-=h.m_invMass*
329 a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=l.m_sweep.c.x+n-h.m_sweep.c.x-j;var c=l.m_sweep.c.y+a-h.m_sweep.c.y-o;d=Math.sqrt(q*q+c*c);q/=d;c/=d;d=d-this.m_length;d=y.Clamp(d,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);var g=-this.m_mass*d;this.m_u.Set(q,c);q=g*this.m_u.x;c=g*this.m_u.y;h.m_sweep.c.x-=h.m_invMass*q;h.m_sweep.c.y-=h.m_invMass*c;h.m_sweep.a-=h.m_invI*(j*c-o*q);l.m_sweep.c.x+=l.m_invMass*q;l.m_sweep.c.y+=l.m_invMass*c;
