+Muscle::Muscle() :
+ length(0),
+ targetlength(0),
+ parent1(0),
+ parent2(0),
+ maxlength(0),
+ minlength(0),
+ type(boneconnect),
+ visible(false),
+ rotate1(0), rotate2(0), rotate3(0),
+ lastrotate1(0), lastrotate2(0), lastrotate3(0),
+ oldrotate1(0), oldrotate2(0), oldrotate3(0),
+ newrotate1(0), newrotate2(0), newrotate3(0),
+
+ strength(0)