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Improve stepping down when starting on the ground

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This commit is contained in:
Chris Robinson 2013-08-19 08:09:23 -07:00
parent 3ca4d54bf9
commit 48e594b7c4
1 changed files with 17 additions and 9 deletions
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26
apps/openmw/mwworld/physicssystem.cpp
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@ -128,6 +128,7 @@ namespace MWWorld
position.z += halfExtents.z;
OEngine::Physic::ActorTracer tracer;
bool wasOnGround = false;
bool isOnGround = false;
Ogre::Vector3 inertia(0.0f);
Ogre::Vector3 velocity;
@ -140,15 +141,22 @@ namespace MWWorld
}
else
{
velocity = Ogre::Quaternion(Ogre::Radian(-refpos.rot[2]), Ogre::Vector3::UNIT_Z) * movement;
if(physicActor->getOnGround())
inertia = velocity;
else
{
inertia = physicActor->getInertialForce();
velocity += inertia;
}
if(!(movement.z > 0.0f))
{
wasOnGround = physicActor->getOnGround();
tracer.doTrace(colobj, position, position-Ogre::Vector3(0,0,2), engine);
if(tracer.mFraction < 1.0f && getSlope(tracer.mPlaneNormal) <= sMaxSlope)
isOnGround = true;
}
inertia = physicActor->getInertialForce();
velocity = Ogre::Quaternion(Ogre::Radian(-refpos.rot[2]), Ogre::Vector3::UNIT_Z) * movement;
velocity += inertia;
}
if(isOnGround)
@ -172,10 +180,9 @@ namespace MWWorld
break;
}
//std::cout<<"angle: "<<getSlope(trace.planenormal)<<"\n";
// We hit something. Try to step up onto it.
if(stepMove(colobj, newPosition, velocity, remainingTime, engine))
isOnGround = gravity;
isOnGround = gravity; // Only on the ground if there's gravity
else
{
// Can't move this way, try to find another spot along the plane
@ -191,21 +198,22 @@ namespace MWWorld
}
}
if(isOnGround)
if(isOnGround || wasOnGround)
{
tracer.doTrace(colobj, newPosition, newPosition-Ogre::Vector3(0,0,sStepSize+2.0f), engine);
if(tracer.mFraction < 1.0f && getSlope(tracer.mPlaneNormal) <= sMaxSlope)
{
newPosition.z = tracer.mEndPos.z + 1.0f;
isOnGround = true;
}
else
isOnGround = false;
}
if(isOnGround)
if(isOnGround || !gravity)
physicActor->setInertialForce(Ogre::Vector3(0.0f));
else
{
if(physicActor->getOnGround())
inertia = velocity;
inertia.z -= time*627.2f;
physicActor->setInertialForce(inertia);
}