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Flash Script – Simple Hit Detection

By Georgina Laidlaw


Download the sample files here.

1. Create a new movie with width=400 and height=300.

2. Create two rectangles, one that’s red and one that’s blue.

3. Convert the first red rectangle into a movieclip, and name it "red" in the instance box.

4. Convert the second blue rectangle into a movieclip and name it "blue" in the instance box.

5. Create a text field, and name it "information".

6. Create a new layer above the current layer, and name it "actions".

7. Insert the following action into the first key frame:

if (circle.hittest(red))  
{  
information = "The Circle Hit Red";  
}  
if (circle.hittest(blue))  
{  
information = "The Circle Hit Blue";  
}

8. In the second frame, enter this action:

gotoAndPlay (1); 

9. Now, simply press ctrl+enter to test the movie.

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