Remove accidentally added file
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8b81d0ac3f
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src/patch
66
src/patch
@ -1,66 +0,0 @@
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diff --git a/src/karts/kart.cpp b/src/karts/kart.cpp
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index f9d6cd9..f243d2a 100644
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--- a/src/karts/kart.cpp
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+++ b/src/karts/kart.cpp
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@@ -1098,7 +1098,7 @@ void Kart::update(float dt)
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// TODO: hiker said this probably will be moved to btKart or so when updating bullet engine.
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// Neutralize any yaw change if the kart leaves the ground, so the kart falls more or less
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- // straight after jumping, but still allowing some "boat shake" (roll and pitch).
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+ // straight after jumping, but still allowing some "boat shake" (roIll and pitch).
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// Otherwise many non perfect jumps end in a total roll over or a serious change of
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// direction, sometimes 90 or even full U turn (real but less fun for a karting game).
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// As side effect steering becames a bit less responsive (any wheel on air), but not too bad.
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@@ -2023,30 +2023,6 @@ void Kart::updatePhysics(float dt)
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m_max_speed->setMinSpeed(min_speed);
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m_max_speed->update(dt);
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- // If the kart is flying, keep its up-axis aligned to gravity (which in
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- // turn typically means the kart is parallel to the ground). This avoids
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- // that the kart rotates in mid-air and lands on its side.
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- if(m_vehicle->getNumWheelsOnGround()==0)
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- {
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- btVector3 kart_up = getTrans().getBasis().getColumn(1); // up vector
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- btVector3 terrain_up = m_body->getGravity();
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- float g = World::getWorld()->getTrack()->getGravity();
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- // Normalize the gravity, g is the length of the vector
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- btVector3 new_up = 0.9f * kart_up + 0.1f * terrain_up/-g;
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- // Get the rotation (hpr) based on current heading.
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- Vec3 rotation(getHeading(), new_up);
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- btMatrix3x3 m;
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- m.setEulerZYX(rotation.getX(), rotation.getY(), rotation.getZ());
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- // We can't use getXYZ() for the position here, since the position is
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- // based on interpolation, while the actual center-of-mass-transform
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- // is based on the actual value every 1/60 of a second (using getXYZ()
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- // would result in the kart being pushed ahead a bit, making it jump
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- // much further, depending on fps)
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- btTransform new_trans(m, m_body->getCenterOfMassTransform().getOrigin());
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- //setTrans(new_trans);
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- m_body->setCenterOfMassTransform(new_trans);
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- }
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-
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// To avoid tunneling (which can happen on long falls), clamp the
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// velocity in Y direction. Tunneling can happen if the Y velocity
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// is larger than the maximum suspension travel (per frame), since then
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diff --git a/src/physics/btKart.cpp b/src/physics/btKart.cpp
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index bdb8f55..2aa0096 100644
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--- a/src/physics/btKart.cpp
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+++ b/src/physics/btKart.cpp
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@@ -387,6 +387,17 @@ void btKart::updateVehicle( btScalar step )
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if(m_wheelInfo[i].m_raycastInfo.m_isInContact)
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m_num_wheels_on_ground++;
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}
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+
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+ // If the kart is flying, try to keep it parallel to the ground.
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+ if(m_num_wheels_on_ground==0)
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+ {
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+ btVector3 kart_up = getChassisWorldTransform().getBasis().getColumn(1);
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+ btVector3 terrain_up(0,1,0);
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+ btVector3 axis = kart_up.cross(terrain_up);
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+ // Times 10 gives a nicely balanced feeling.
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+ m_chassisBody->applyTorqueImpulse(axis * 10);
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+ }
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+
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// Work around: make sure that either both wheels on one axis
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// are on ground, or none of them. This avoids the problem of
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// the kart suddenly getting additional angular velocity because
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