Yes, makes perfect sense:) There are some situations where you might need to be that precise. At least, I guess there are - none for anything I do. I think I see another way to do it, without having to test against every single point in the moving image.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Scott Rossi Sent: Friday, June 24, 2005 1:16 PM To: How to use Revolution Subject: Re: is within ... polygon shape? Recently, Lynch, Jonathan wrote: >>> Put the points of image "myImage1" into field "feedback" >>> Causes an error - it says this object does not have this property. I >>> am misunderstanding something aren't I? >> Images don't have points. You simply test the point against the image >> itself: >> if within(img "myImage",myPoint) then answer "point is within the >> image" > Ah, but that only tests a single point. To be perfectly accurate, one > would need to test every single non-transparent point in the image. OK, let's use a golf analogy as an example. Let's say you wanted to find out if the ball is on the green: if within(img "green",loc of img "ball") then answer "ready to putt" In this case you are testing the loc point of the ball against the opaque region of the "green" image. There is only one point to test. You could go further and test all the rect points of the ball as well: topLeft, topRight, etc but this depends on how precise you want to be. Does this make sense? Regards, Scott Rossi Creative Director Tactile Media, Multimedia & Design ----- E: [EMAIL PROTECTED] W: http://www.tactilemedia.com _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
