Solved Aimbot Y-Angle is Off

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daveyboy63

Newbie
Full Member
Jul 20, 2014
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Hi,

I'm having a bit of trouble with angle calculation in the vertical direction (ie. 'yaw'). I've been following Fleeps C++ aimbot tutorial, and what follows is a description of my problem, along with the CalcAngle function.

Firstly, the planar angle (left-right, or 'pitch') is correct, always.

However, the yaw is wrong. When I'm on equal level with the enemy, it produces the correct angle. When I'm directly above or below the enemy, it produces the right angle. But as I move the target up from flat ground, more and more will my aim be higher than the enemies position. As I start approaching vertically above, it then becomes more accurate.

So it other words, it generally aims higher than required when the enemy is above you, and lower than required when the enemy is below you.

Does anyone have any suggestions?

C++:
void CalcAngle(float *src, float *dst, float *angles)
{
	double delta[3] = { (src[0]-dst[0]), (src[1]-dst[1]), (src[2]-dst[2]) };

        double hyp = sqrt((delta[0]*delta[0] + delta[2]*delta[2]));
       
       // XMOUSE
	angles[0] = (float) (atan2(delta[0], delta[2])) + PI;

       // YMOUSE
	angles[1] = (float) (atanf(-delta[1]/hyp));
 
Last edited:

Rake

Cesspool Admin
Administrator
Jan 21, 2014
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Well, the first post is moderated eventhough I approved it. Maybe it's bugged again. You can recreate the thread under a different name and I'll delete this one. :)
 

daveyboy63

Newbie
Full Member
Jul 20, 2014
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Sorry.

Anyway, the gist of my problem is that although my horizontal aim is correct, my vertical aim is incorrect.

I am using angles[1] = (float) (atanf(-delta[1]/hyp)); to calculate the angle. And in a normal sense, this IS correct. I went in game and noticed that moving my mouse a little from 0 changed the Y-aim only slightly. But moving my mouse a little from +PI/2 download changed the Y-aim significantly more (ie. 0.05 gap vs 0.2 gap). Furthermore, I recognize that atan(1) = PI/2 -- This is what my formula calculates, HOWEVER, in-game, the correct angle is not this; it's like the aiming is non-linear.

Below is a sample of (x,y,z) coords for me and the enemy, and the calculated angle vs required angle. See the graph for the calculated angle vs. required angle:

Untitled.png

Could anyone suggest an improvised formula to determine the correct Y-mouseAngle?
 

maxdd

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Full Member
Jul 27, 2014
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as soon as i come home ill post you the correct way to do it... i noticed that you are a bit confused on yaw,pitch and roll... it's quite simple if you draw the triangles between you and the enemy.. try to use the asinf or atan2 for the pitch instead
 

daveyboy63

Newbie
Full Member
Jul 20, 2014
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Thank you MaxDD, really looking forward to hearing from you!
(I'm been working on this for ages in great frustration)
 

Public_Void

Dank Tier Donator
Nobleman
Nov 10, 2018
65
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Thank you MaxDD, really looking forward to hearing from you!
(I'm been working on this for ages in great frustration)
you are probably using yours and the enemies origin to calculate the angle. Try using your eyepos instead for yourself ans whatever bonepos you wanna aim to.
 
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