First idea: First you need condition that will ensure that object "your mouth" is overlapping object "apple". Then, if that is true, your apple should change animation frame, from full apple to bitten apple. Also you can create variable that will keep track which apple is bitten.
Well,I didn't start the game yet I was trying to figure out how I will make it first so i don't have a capx yet,but what I wanted to do is making a mouth bite a pizza in a random part of the pizza and in a random time.please reply back I really need some help.
Thx so much razormonkey for your help,I will try to draw it,but if you also find something good please let me know.If you need help with anything you can ask me,I know a lot of things about construct 2