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Adding EndContact Listener management ;-) #20

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Adding EndContact Listener management ;-) #20

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e34a7d9
Adding EndContact Listener management ;-)
JeremyGfr Jun 20, 2015
4d2be7f
Update cocoon_box2d.js
JeremyGfr Jul 14, 2015
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33 changes: 31 additions & 2 deletions src/device/cocoon_box2d.js
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Original file line number Diff line number Diff line change
Expand Up @@ -742,7 +742,7 @@ if ( !window.ext || typeof window.ext.IDTK_SRV_BOX2D === 'undefined' ){
window.Box2D.Dynamics.b2ContactListener = B2ContactListener ;

B2ContactListener.prototype.BeginContact = function (/*contact*/) {} ;// NOTE: Only this one is called at the moment
B2ContactListener.prototype.EndContact = function (/*contact*/) {} ;
B2ContactListener.prototype.EndContact = function (/*contact*/) {} ;// NOTE: This is called for now ( Contribute by Jeremy Guilbault )
B2ContactListener.prototype.PreSolve = function (/*contact, oldManifold*/) {} ;
B2ContactListener.prototype.PostSolve = function (/*contact, impulse*/) {} ;

Expand All @@ -765,6 +765,7 @@ if ( !window.ext || typeof window.ext.IDTK_SRV_BOX2D === 'undefined' ){
this.m_jointList = [];
this.m_fixturesList = [];
this.m_contactListener = null ;
this.m_current_contacts = [];
this.m_jointsList = [] ;

this.m_worldID = window.ext.IDTK_SRV_BOX2D.makeCall( "createWorld" , gravity.x , gravity.y , doSleep );
Expand Down Expand Up @@ -864,6 +865,7 @@ if ( !window.ext || typeof window.ext.IDTK_SRV_BOX2D === 'undefined' ){
body.m_xf.position.Set(transforms[i+1] ,transforms[i+2] ) ;
body.m_xf.R.Set(transforms[i+3]);
}


// Handle object contacts
if( this.m_contactListener !== null ){
Expand All @@ -880,9 +882,36 @@ if ( !window.ext || typeof window.ext.IDTK_SRV_BOX2D === 'undefined' ){
console.log("One of the fixtures in a contact DOESN'T EXIST!!");
continue ;
}

this.m_contactListener.BeginContact( new B2Contact(fix1,fix2,touching) ) ;
// add to the currents contacts
this.m_current_contacts.push( new B2Contact(fix1,fix2,touching) );

}
// check all the current contacts
var j;
for(j in this.m_current_contacts )
{
var contact = this.m_current_contacts[j];
if(contact.GetFixtureA() && contact.GetFixtureB())
{
var a = contact.GetFixtureA().GetBody();
var b = contact.GetFixtureB().GetBody();
var a_contacts = window.ext.IDTK_SRV_BOX2D.makeCall( "getObjectContacts" , this.m_worldID , a.m_bodyID ) ;
if(a_contacts.indexOf(b.m_bodyID)==-1)
{
// End contact !
this.m_current_contacts.splice(j,1);
this.m_contactListener.EndContact( new B2Contact( contact.GetFixtureA() , contact.GetFixtureB() ,false) ) ;
}
}
else
{
// body has been destroyed
this.m_current_contacts.splice(j,1);
}
}


}
};

Expand Down