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Just a guess, but it's probably because your compare r_pixel_one to itself =/

Originally Posted by exert from ur code

r_pixel_one > r_pixel_one -20

Oh ok, well how can i fix it then.

Originally Posted by 258456

Oh ok, well how can i fix it then.

Compare it to the pixel you want to test. So your comparing the pixel your testing to tree or background. You don understand if you compare a r_pixel_one to itself it will always be greater then itself -20.

That's like saying 10 > 10 -20. It will be always true and accomplishes nothing. What you want is something like this:
(|x - y| <= 20)

see now if x is 20 and y is 40, 20 - 40 = -20, then we take the abs value and its 20, which is <= 20.

if both x & y are unsigned chars you don't even have to worry about abs value assuming you always subtract the smaller from the larger, otherwise you'll loop back around.

And might I ask what exactly your trying to do, because there's got to be an easier way...

OMG, thanks so much why06, your post helped so much that i started cracking up at how stupid my logic was. It's so obvious now that you explained it. If i could thank you multiple times i would. Thanks.

I am working on a runescape bot and this new feature will detect if i am cutting wood from the yew tree or if i got pulled into some random event in which both colors will change dramatically. Once my bot detects that it is in a random event, it will text me and then it will close itself. I wish there was an easier and more reliable way than using colors because it's really unreliable but it will work in my situation i guess.

Can i also do it like this:

Code:

 int r = r_pixel_one-20;
// then do the if statement...
RGB(r_pixel_one >= r .......and so on

would that work or am i just doing the same thing?

Originally Posted by 258456

np. happens to everyone, and myself plenty of times. It's often easier for others to see obvious things you might have missed, and then ur feel like a dumbass >_>, but life goes on...

Can i also do it like this:

Code:

 int r = r_pixel_one;
// then do the if statement...
RGB(r_pixel_one >= r - 20.......and so on

would that work or am i just doing the same thing?

Nope.

Once they are equal

Code:

 int r = r_pixel_one;

The same problem comes up...

Code:

RGB(r_pixel_one >= r - 20

Oh ya huh, lol there's the stupidity again. How can I fix it, I m puzzled cuz I can't really put any number values because they are always different

Originally Posted by 258456

So u r saying it's ok or it's just the same problem with different code?

same problem with different code. you've gotta stop making the two things equal before you test it.

x = 10
10 > x - 20 is the same problem as...

10 > 10 - 20 see?

Ya I see what u r saying idk y I just posted that, lol it's really late at night where I m as u can tell, lol. Do u have any suggestions on how to solve this problem. Btw thanks for being such a great help.

The only idea coming to my mind right now is this:

Code:

 tree= RGB(r_pixel_one || r_pixel_one +1 || r_pixel_one+2 ... and so on)

Sorry that I can't really test anything since I m on the itouch lol. Thanks so much for your help I know I say it a lot but your help really means a lot to me.

No, doesn't work like that o_O

Ya I kinda figured it wouldn't be that easy. Any suggestions?

Originally Posted by 258456

Ya I kinda figured it wouldn't be that easy. Any suggestions?

Post the r_pixel for the tree and the r_pixel you detected off the screen and the r pixel for the background and I can give you an answer.

Well, the problem isn't that i don't know what to do with the number (value of r_pixel), the problem is that if i want to do something else i will press the numpad 1 and then it will detect the pixel which will be another number. The r pixel is usually about 5-6.

EDIT: WHOAAAAAA!!!!! i think i just made a breakthrough, can i do this:

Code:

 r_pixel_one = GetRValue(pixel2);
         int r = GetRValue(pixel2);
 COLORREF tree = RGB(r_pixel_one >= r -20...........and so on.);

Wouldn't this work?

Originally Posted by 258456

Code:

COLORREF tree = RGB(r_pixel_one >= r -20...........and so on.);

Wouldn't this work?

No =3

HOW DO I DO THIS HD. My brain is going to explode. I am pretty sure you knew the answer from the beginning.

If you want to check if COLORREF pixel2 is between for example RGB(200, 150, 100) and RGB(225, 125, 200) you'd use the following code:

Code:

char r = ((char*)pixel2)[0]; //or GetRValue(pixel2)
char g = ((char*)pixel2)[1]; //GetGValue(pixel2)
char b = ((char*)pixel2)[2]; //GetBValue(pixel2)

if( (r >= 200 && r <= 225) &&//Red is ok
    (g <= 150 && g >= 125) &&//Green is ok
    (b >= 100 && b <= 200) )//B is also ok
{
    //all are ok
    ...more code here...
}

if it's not that what you're trying to do please rephrase it =3

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