MAKE GRAVITATION EFFECT

this is tips for make gravitation effect on flash. make sure you have macromedia flash or adobe flash.

if you dont have one please go to adobe.com to download it. if you're ready lets begin.

1. open your macromedia/adobe flash

2. make a circle with oval tool

3. select the circle then convert it to symbol by click "insert-->convert to symbol" or press f8

------->give it name "ball"

4. right click on "ball" then choose panel-->instance

------->give instance name ball_mc

5. make a line on the bottom with line tool

6. convert it to symbol and give it name "floor"

7. right click on it choose panel---->instance then give instance name floor_mc

8. right click on the ball then choose action

------->switch into expert mode then type this action script :

onClipEvent(load){speed=15;gravity=5;}onClipEvent(enterFrame){_y+=gravity;if(Key.isDown(Key.UP)){_y-=speed;speed--};if(speed<=0){speed=0}; }

9. right click on the floor and choose action

------->switch into expert mode then type ths action script :

onClipEvent(enterFrame){if(hitTest(_root.ball_mc)){_root.ball_mc.gravity=0;_root.ball_mc.speed=15}else{_root.ball_mc.gravity=5}}

test the result by press ctrl+enter

if movie has been loaded, press up

you will see the ball jump and gravitation make the ball fall down

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