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Physics2D/RigidBody2D: Made SetGeom public

This commit is contained in:
Lynix 2016-11-10 17:18:44 +01:00
parent 7f445def13
commit 9772b43542
2 changed files with 39 additions and 17 deletions
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3
include/Nazara/Physics2D/RigidBody2D.hpp
View File

@ -49,6 +49,7 @@ namespace Nz
bool IsSleeping() const;
void SetAngularVelocity(float angularVelocity);
void SetGeom(Collider2DRef geom);
void SetMass(float mass);
void SetMassCenter(const Vector2f& center);
void SetPosition(const Vector2f& position);
@ -59,8 +60,8 @@ namespace Nz
RigidBody2D& operator=(RigidBody2D&& object);
private:
void Create(float mass = 0.f, float moment = 0.f);
void Destroy();
void SetGeom(Collider2DRef geom);
std::vector<cpShape*> m_shapes;
Collider2DRef m_geom;

53
src/Nazara/Physics2D/RigidBody2D.cpp
View File

@ -26,9 +26,7 @@ namespace Nz
{
NazaraAssert(m_world, "Invalid world");
m_handle = cpBodyNew(0.f, 0.f);
cpBodySetUserData(m_handle, this);
cpSpaceAddBody(m_world->GetHandle(), m_handle);
Create();
SetGeom(geom);
SetMass(mass);
@ -43,9 +41,7 @@ namespace Nz
NazaraAssert(m_world, "Invalid world");
NazaraAssert(m_geom, "Invalid geometry");
m_handle = cpBodyNew(0.f, 0.f);
cpBodySetUserData(m_handle, this);
cpSpaceAddBody(m_world->GetHandle(), m_handle);
Create();
SetGeom(object.GetGeom());
SetMass(object.GetMass());
@ -169,6 +165,34 @@ namespace Nz
cpBodySetAngularVelocity(m_handle, angularVelocity);
}
void RigidBody2D::SetGeom(Collider2DRef geom)
{
// 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
if (m_geom)
{
cpVect pos = cpBodyGetPosition(m_handle);
cpFloat mass = cpBodyGetMass(m_handle);
cpFloat moment = cpBodyGetMoment(m_handle);
cpFloat rot = cpBodyGetAngle(m_handle);
cpVect vel = cpBodyGetVelocity(m_handle);
Destroy();
Create(mass, moment);
cpBodySetAngle(m_handle, rot);
cpBodySetPosition(m_handle, pos);
cpBodySetVelocity(m_handle, vel);
}
if (geom)
m_geom = geom;
else
m_geom = NullCollider2D::New();
m_shapes = m_geom->CreateShapes(this);
}
void RigidBody2D::SetMass(float mass)
{
if (m_mass > 0.f)
@ -230,6 +254,13 @@ namespace Nz
return *this;
}
void RigidBody2D::Create(float mass, float moment)
{
m_handle = cpBodyNew(mass, moment);
cpBodySetUserData(m_handle, this);
cpSpaceAddBody(m_world->GetHandle(), m_handle);
}
void RigidBody2D::Destroy()
{
for (cpShape* shape : m_shapes)
@ -238,14 +269,4 @@ namespace Nz
if (m_handle)
cpBodyFree(m_handle);
}
void RigidBody2D::SetGeom(Collider2DRef geom)
{
if (geom)
m_geom = geom;
else
m_geom = NullCollider2D::New();
m_shapes = m_geom->CreateShapes(this);
}
}