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Document SDL_abs vs. SDL_fabs

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leo60228
2021-01-01 21:03:17 -05:00
committed by Ethan Lee
parent c4893a133f
commit 8c472ed73d
2 changed files with 3 additions and 0 deletions
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desktop_version/src/Entity.cpp
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@@ -4410,6 +4410,7 @@ void entityclass::applyfriction( int t, float xrate, float yrate )
if (entities[t].vx > 6.00f) entities[t].vx = 6.0f;
if (entities[t].vx < -6.00f) entities[t].vx = -6.0f;
// This should *not* be changed to use SDL_fabsf, which would cause noticable differences in physics.
if (SDL_abs(entities[t].vx) < xrate) entities[t].vx = 0.0f;
if (SDL_abs(entities[t].vy) < yrate) entities[t].vy = 0.0f;
}