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Author Question: You are coding a game in which a spaceship is firing ammunition at an enemy craft. The ships are ... (Read 128 times)

stevenposner

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on: Oct 14, 2019

Question 1

For non-axis aligned vector reflection, vf = 2* P + vi. What does “P” represent in this equation?


◦

the projection of vf onto the boundary line


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the projection of the normal from the boundary line


◦

the potential energy of the colliding object


◦

the projection of -vi onto the normal of the boundary line



Question 2

You are coding a game in which a spaceship is firing ammunition at an enemy craft. The ships are chasing each other through an asteroid field. Your ship misses its target, and the ammo deflects off the flat side of a nearby asteroid. The side of the asteroid is bounded from point (60,35) to point (225,275). If the ammunition has an incoming velocity of [100 30] when it hits, what will the resulting velocity be?


◦

[-7.78  104.16]


◦

[-53.9  37.08]


◦

[207.78  104.16]


◦

[46.11  67.08]

Fundamentals of Math and Physics for Game Programmers ¦ Stahler ¦ 1st Edition
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Marked as best answer by stevenposner on Oct 14, 2019

Melissahxx

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Reply #1 on: Oct 14, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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stevenposner

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Reply #2 on: Oct 14, 2019
TY


Melissahxx

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Reply #3 on: Oct 14, 2019
You're welcome


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