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Fix transfer of velocity

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This commit is contained in:
Quinn
2021-12-26 21:07:14 -08:00
parent a66ea9feee
commit 23104ec1f1
1 changed files with 7 additions and 4 deletions
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main.lua
+7 -4
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@@ -8,7 +8,8 @@ function _init()
add(balls, ball:new({ add(balls, ball:new({
pos=vec2:new(rnd(127),rnd(127)), pos=vec2:new(rnd(127),rnd(127)),
vel=vec2:new(rnd(2)-1,rnd(2)-1):normal(), vel=vec2:new(rnd(2)-1,rnd(2)-1):normal(),
col=rnd(15)+1 rad=ball_radius,
col=rnd(15)+1
})) }))
end end
end end
@@ -46,10 +47,12 @@ function handle_collisions()
s_xpoint = source.pos - source.vel * rewind s_xpoint = source.pos - source.vel * rewind
t_xpoint = target.pos - target.vel * rewind t_xpoint = target.pos - target.vel * rewind
until (s_xpoint - t_xpoint):mag() >= source.rad + target.rad until (s_xpoint - t_xpoint):mag() >= source.rad + target.rad
source.vel = collision_vel(s_xpoint, source.vel, t_xpoint, target.vel) local s_newvel = collision_vel(s_xpoint, source.vel, t_xpoint, target.vel)
target.vel = collision_vel(t_xpoint, target.vel, s_xpoint, source.vel) local t_newvel = collision_vel(t_xpoint, target.vel, s_xpoint, source.vel)
source.pos = s_xpoint + source.vel * rewind source.pos = s_xpoint + source.vel * rewind
target.pos = t_xpoint + target.vel * rewind target.pos = t_xpoint + target.vel * rewind
source.vel = s_newvel
target.vel = t_newvel
end end
end end
end end