Allow setting bevel to 0, fix incorrect Y position when using bevelled

values for wheel positions.
This commit is contained in:
hiker 2017-09-04 08:30:31 +10:00
parent f7397028ff
commit bd6c2d9b21

View File

@ -606,7 +606,6 @@ void Kart::createPhysics()
const Vec3 &bevel = m_kart_properties->getBevelFactor();
Vec3 wheel_pos[4];
assert(bevel.getX() || bevel.getY() || bevel.getZ());
Vec3 orig_factor(1, 1, 1 - bevel.getZ());
Vec3 bevel_factor(1.0f - bevel.getX(), 1.0f - bevel.getY(), 1.0f);
@ -622,9 +621,9 @@ void Kart::createPhysics()
z*kart_length *0.5f);
hull->addPoint(p*orig_factor);
hull->addPoint(p*bevel_factor);
// Store the x/z position for the wheels as a weighted average
// of the two bevelled points.
// Only add bevelled point if bevel is defined (i.e.!=0)
if(bevel.length2()>0)
hull->addPoint(p*bevel_factor);
if (y == -1)
{
int index = (x + 1) / 2 + 1 - z; // get index of wheel
@ -636,19 +635,19 @@ void Kart::createPhysics()
// All wheel positions are relative to the center of
// the collision shape.
wheel_pos[index].setX(x*0.5f*kart_width);
// The y position of the wheels (i.e. the points where
// the suspension is attached to) is just at the
// bottom of the kart. That is half the kart height
// down.
wheel_pos[index].setY(- 0.5f*kart_height);
wheel_pos[index].setZ((0.5f*kart_length-0.25f)* z);
}
else
{
// Store the x/z position for the wheels as a weighted average
// of the two bevelled points (y is set below).
wheel_pos[index] = p*(orig_factor*(1.0f - f) + bevel_factor*f);
wheel_pos[index].setY(0);
}
// The y position of the wheels (i.e. the points where
// the suspension is attached to) is just at the
// bottom of the kart (independent of collision shape).
// That is half the kart height down.
wheel_pos[index].setY(-0.5f*kart_height);
} // if y==-1
} // for x
} // for z