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Physics2D: Automatically compute center of mass

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This commit is contained in:
Lynix
2019-03-17 15:56:38 +01:00
parent b6c1bfb5d0
commit 439a62a7f8
5 changed files with 54 additions and 4 deletions
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7
src/Nazara/Physics2D/RigidBody2D.cpp
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@@ -48,7 +48,7 @@ namespace Nz
NazaraAssert(m_geom, "Invalid geometry");
m_handle = Create(m_mass, object.GetMomentOfInertia());
SetGeom(object.GetGeom(), false);
SetGeom(object.GetGeom(), false, false);
CopyBodyData(object.GetHandle(), m_handle);
@@ -362,7 +362,7 @@ namespace Nz
cpShapeSetFriction(m_shapes[shapeIndex], cpFloat(friction));
}
void RigidBody2D::SetGeom(Collider2DRef geom, bool recomputeMoment)
void RigidBody2D::SetGeom(Collider2DRef geom, bool recomputeMoment, bool recomputeMassCenter)
{
// We have no public way of getting rid of an existing geom without removing the whole body
// So let's save some attributes of the body, destroy it and rebuild it
@@ -399,6 +399,9 @@ namespace Nz
if (!IsStatic() && !IsKinematic())
cpBodySetMoment(m_handle, m_geom->ComputeMomentOfInertia(m_mass));
}
if (recomputeMassCenter)
SetMassCenter(m_geom->ComputeCenterOfMass());
}
void RigidBody2D::SetMass(float mass, bool recomputeMoment)