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May 29th, 2013, 10:08 AM   #1
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Why doesn't this work? Turret

From the aiming question, what is the difference between
p+st = q+vt
st=(q-p)+vt

let q-p=w

(st)^2=(w+vt)^2
(st)^2=w*w+2(w*v)t+(v*v)t^2
0=w*w+2(w*v)t+(v*v-s*s)t^2

and this

p+st = q+vt
0=(q-p)+(v-s)t

let q-p=w
v-s=z

0=(w+zt)^2
w*w+2(z*w)t+(z*z)t^2

Why do I get two different looking solutions?
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May 29th, 2013, 10:09 AM   #2
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Re: Why doesn't this work? Turret Aiming Question

From the aiming question from this site (http://www.reddit.com/r/gamedev/comment ... la/c7vbu2j) what is the difference between
p+st = q+vt
st=(q-p)+vt

let q-p=w

(st)^2=(w+vt)^2
(st)^2=w*w+2(w*v)t+(v*v)t^2
0=w*w+2(w*v)t+(v*v-s*s)t^2

and this

p+st = q+vt
0=(q-p)+(v-s)t

let q-p=w
v-s=z

0=(w+zt)^2
w*w+2(z*w)t+(z*z)t^2

Why do I get two different equations?

SORRY FOR DOUBLE POST, I ACCIDENTALLY PRESSED ENTER, AND THE FORUM DOESN'T LET ME EDIT
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May 29th, 2013, 10:16 AM   #3
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Re: Why doesn't this work? Turret

Equation isnt the same even if I replace the w with (p-q) and z with (v-s).
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June 1st, 2013, 09:48 PM   #4
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Re: Why doesn't this work? Turret

Hello?
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June 4th, 2013, 01:30 PM   #5
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Re: Why doesn't this work? Turret

I still want an answer to this question...
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