Add Obstacle and Health in Android Runner Game

Question

I am making a runner game in air for android actionscript 3.

It has two buttons. One for Jumping and one for running. It runs to the right.

As my character runs to the right the background also scrolls to the left.

Now the problem is I need to add some obstacles for the character. The character needs to jump on it to avoid losing life.

How can I add a obstacle and a health bar T_T. Also can the obstacles be on random so that the user won't predict where the obstacles are.

Help me please! I can't figure it out

Mark.fromOP · Answer

You need to look into the collision class in AS3 this can detect when two objects are intersecting. You can put all your obstacles into an Array and then check against that array with a timer or enterFrame event and when they do collide provide a response either destroy the object or the destroy/injure the character, this is where you can deduct from the health bar or whatever the mechanics of your game are.

Here is an example

http://sierakowski.eu/list-of-tips/39-collision-detection-methods-hittest-and-hittestobject-alternatives.html

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