public void postSolve(Contact contact, ContactImpulse impulse,Fixture thisFixture, Fixture thatFixture) {
if(thatFixture.getBody().getType()==BodyType.DYNAMIC){
for(int i=0;i<impulse.tangentImpulses.length;i++){
if(impulse.normalImpulses[i]!=0){
if(doesLineBreak(impulse.normalImpulses[i])){
WorldManifold wm=new WorldManifold();
contact.getWorldManifold(wm);
breakPoint=CoordinateConverter.coordWorldToPixels(wm.points[0]);
impOnNormal=wm.normal.clone();