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Improve handling of sudden steeper uphill section by increasing the

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suspension force, which makes it less likely for the kart to hit
the terrain.
This commit is contained in:
hiker 2015-06-03 09:03:40 +10:00
parent d4f3fc88d6
commit f59d277f3e
1 changed files with 7 additions and 1 deletions
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8
src/physics/btKart.cpp
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@ -663,7 +663,13 @@ void btKart::updateSuspension(btScalar deltaTime)
btScalar length_diff = (susp_length - current_length);
if(m_kart->getKartProperties()->getExpSpringResponse())
length_diff *= fabsf(length_diff)/susp_length;
float f = (1.0f + fabsf(length_diff) / susp_length);
// Scale the length diff. This results that in uphill sections, when
// the suspension is more compressed (i.e. length is bigger), more
// force is used, which makes it much less likely for the kart to hit
// the terrain, while when driving on flat terrain (length small),
// there is hardly any difference
length_diff *= f*f;
force = wheel_info.m_suspensionStiffness * length_diff
* wheel_info.m_clippedInvContactDotSuspension;