Make model extendable
Make model extendable

hyvas/libgdx,stinsonga/libgdx,firefly2442/libgdx,fwolff/libgdx,josephknight/libgdx,toa5/libgdx,anserran/libgdx,SidneyXu/libgdx,jsjolund/libgdx,codepoke/libgdx,firefly2442/libgdx,ttencate/libgdx,Thotep/libgdx,Thotep/libgdx,yangweigbh/libgdx,JFixby/libgdx,codepoke/libgdx,SidneyXu/libgdx,JFixby/libgdx,realitix/libgdx,bsmr-java/libgdx,kotcrab/libgdx,js78/libgdx,toa5/libgdx,yangweigbh/libgdx,jsjolund/libgdx,hyvas/libgdx,firefly2442/libgdx,tommyettinger/libgdx,bgroenks96/libgdx,xoppa/libgdx,jberberick/libgdx,bsmr-java/libgdx,bladecoder/libgdx,gouessej/libgdx,gouessej/libgdx,realitix/libgdx,SidneyXu/libgdx,josephknight/libgdx,nrallakis/libgdx,Xhanim/libgdx,libgdx/libgdx,MadcowD/libgdx,bgroenks96/libgdx,MovingBlocks/libgdx,jsjolund/libgdx,MikkelTAndersen/libgdx,cypherdare/libgdx,fwolff/libgdx,hyvas/libgdx,kotcrab/libgdx,js78/libgdx,gouessej/libgdx,bsmr-java/libgdx,alex-dorokhov/libgdx,ttencate/libgdx,NathanSweet/libgdx,alex-dorokhov/libgdx,js78/libgdx,Dzamir/libgdx,Xhanim/libgdx,yangweigbh/libgdx,realitix/libgdx,MadcowD/libgdx,BlueRiverInteractive/libgdx,firefly2442/libgdx,sarkanyi/libgdx,ttencate/libgdx,Dzamir/libgdx,alex-dorokhov/libgdx,BlueRiverInteractive/libgdx,SidneyXu/libgdx,BlueRiverInteractive/libgdx,MadcowD/libgdx,xoppa/libgdx,realitix/libgdx,xoppa/libgdx,toa5/libgdx,tommyettinger/libgdx,sarkanyi/libgdx,hyvas/libgdx,nrallakis/libgdx,bgroenks96/libgdx,jsjolund/libgdx,FredGithub/libgdx,SidneyXu/libgdx,libgdx/libgdx,Xhanim/libgdx,stinsonga/libgdx,anserran/libgdx,yangweigbh/libgdx,anserran/libgdx,MadcowD/libgdx,hyvas/libgdx,ttencate/libgdx,MikkelTAndersen/libgdx,Dzamir/libgdx,BlueRiverInteractive/libgdx,realitix/libgdx,codepoke/libgdx,sarkanyi/libgdx,jsjolund/libgdx,Thotep/libgdx,BlueRiverInteractive/libgdx,toa5/libgdx,cypherdare/libgdx,Xhanim/libgdx,MadcowD/libgdx,MikkelTAndersen/libgdx,JFixby/libgdx,bsmr-java/libgdx,JFixby/libgdx,czyzby/libgdx,nrallakis/libgdx,jberberick/libgdx,xoppa/libgdx,Zomby2D/libgdx,bladecoder/libgdx,czyzby/libgdx,toa5/libgdx,bgroenks96/libgdx,JFixby/libgdx,yangweigbh/libgdx,hyvas/libgdx,hyvas/libgdx,SidneyXu/libgdx,codepoke/libgdx,cypherdare/libgdx,Xhanim/libgdx,SidneyXu/libgdx,stinsonga/libgdx,Dzamir/libgdx,realitix/libgdx,xoppa/libgdx,Dzamir/libgdx,FredGithub/libgdx,fwolff/libgdx,jberberick/libgdx,MovingBlocks/libgdx,MovingBlocks/libgdx,jberberick/libgdx,codepoke/libgdx,toa5/libgdx,josephknight/libgdx,Thotep/libgdx,MadcowD/libgdx,czyzby/libgdx,nrallakis/libgdx,JFixby/libgdx,Thotep/libgdx,bladecoder/libgdx,js78/libgdx,FredGithub/libgdx,ttencate/libgdx,xoppa/libgdx,bladecoder/libgdx,Zomby2D/libgdx,kotcrab/libgdx,josephknight/libgdx,tommyettinger/libgdx,czyzby/libgdx,kotcrab/libgdx,bladecoder/libgdx,tommyettinger/libgdx,xoppa/libgdx,Zomby2D/libgdx,yangweigbh/libgdx,js78/libgdx,gouessej/libgdx,JFixby/libgdx,Thotep/libgdx,anserran/libgdx,MikkelTAndersen/libgdx,josephknight/libgdx,tommyettinger/libgdx,sarkanyi/libgdx,FredGithub/libgdx,anserran/libgdx,sarkanyi/libgdx,samskivert/libgdx,bgroenks96/libgdx,realitix/libgdx,anserran/libgdx,js78/libgdx,ttencate/libgdx,Xhanim/libgdx,MikkelTAndersen/libgdx,stinsonga/libgdx,firefly2442/libgdx,czyzby/libgdx,gouessej/libgdx,kotcrab/libgdx,bgroenks96/libgdx,bsmr-java/libgdx,bsmr-java/libgdx,samskivert/libgdx,samskivert/libgdx,bsmr-java/libgdx,NathanSweet/libgdx,samskivert/libgdx,jsjolund/libgdx,MadcowD/libgdx,Zomby2D/libgdx,alex-dorokhov/libgdx,kotcrab/libgdx,bsmr-java/libgdx,fwolff/libgdx,Xhanim/libgdx,Dzamir/libgdx,fwolff/libgdx,bgroenks96/libgdx,MovingBlocks/libgdx,josephknight/libgdx,nrallakis/libgdx,MovingBlocks/libgdx,czyzby/libgdx,bgroenks96/libgdx,samskivert/libgdx,jberberick/libgdx,jberberick/libgdx,Dzamir/libgdx,Thotep/libgdx,BlueRiverInteractive/libgdx,ttencate/libgdx,FredGithub/libgdx,BlueRiverInteractive/libgdx,jsjolund/libgdx,FredGithub/libgdx,JFixby/libgdx,gouessej/libgdx,MadcowD/libgdx,yangweigbh/libgdx,libgdx/libgdx,jsjolund/libgdx,FredGithub/libgdx,libgdx/libgdx,MikkelTAndersen/libgdx,ttencate/libgdx,czyzby/libgdx,xoppa/libgdx,NathanSweet/libgdx,hyvas/libgdx,alex-dorokhov/libgdx,Thotep/libgdx,josephknight/libgdx,Dzamir/libgdx,czyzby/libgdx,josephknight/libgdx,fwolff/libgdx,nrallakis/libgdx,nrallakis/libgdx,sarkanyi/libgdx,toa5/libgdx,js78/libgdx,realitix/libgdx,gouessej/libgdx,MovingBlocks/libgdx,samskivert/libgdx,toa5/libgdx,sarkanyi/libgdx,stinsonga/libgdx,firefly2442/libgdx,Xhanim/libgdx,jberberick/libgdx,js78/libgdx,libgdx/libgdx,anserran/libgdx,fwolff/libgdx,jberberick/libgdx,yangweigbh/libgdx,alex-dorokhov/libgdx,codepoke/libgdx,fwolff/libgdx,cypherdare/libgdx,alex-dorokhov/libgdx,BlueRiverInteractive/libgdx,Zomby2D/libgdx,FredGithub/libgdx,codepoke/libgdx,samskivert/libgdx,kotcrab/libgdx,codepoke/libgdx,sarkanyi/libgdx,nrallakis/libgdx,MovingBlocks/libgdx,firefly2442/libgdx,MovingBlocks/libgdx,firefly2442/libgdx,kotcrab/libgdx,anserran/libgdx,SidneyXu/libgdx,MikkelTAndersen/libgdx,alex-dorokhov/libgdx,samskivert/libgdx,cypherdare/libgdx,gouessej/libgdx,NathanSweet/libgdx,NathanSweet/libgdx,MikkelTAndersen/libgdx