void MScene::preparePhysics(void)
{
MPhysicsContext * physics = MEngine::getInstance()->getPhysicsContext();
if(! physics)
return;
physics->init(MVector3(-10000), MVector3(10000));
physics->setWorldGravity(m_gravity);
// create shapes
unsigned int i;
unsigned int size = getEntitiesNumber();
for(i=0; i<size; i++)
{
MOEntity * entity = getEntityByIndex(i);
prepareCollisionShape(entity);
}
// create objects
for(i=0; i<size; i++)
{
MOEntity * entity = getEntityByIndex(i);
prepareCollisionObject(entity);
}
// create constraints
for(i=0; i<size; i++)
{
MOEntity * entity = getEntityByIndex(i);
prepareConstraints(entity);
}
}
void ResourceManager::addEntityByIndex(int px, int py, int ID)
{
Entity* ent = getEntityByIndex(ID);
if( ent != NULL) {
map->setEntity(px, py, *ent);
}
}
void MScene::updatePhysics(void)
{
MPhysicsContext * physics = MEngine::getInstance()->getPhysicsContext();
if(! physics)
return;
unsigned int i;
unsigned int size = getEntitiesNumber();
for(i=0; i<size; i++)
{
MOEntity * entity = getEntityByIndex(i);
if(! entity->isActive())
continue;
MPhysicsProperties * phyProps = entity->getPhysicsProperties();
if(! phyProps)
continue;
if(phyProps->getCollisionObjectId() > 0)
{
MObject3d * parent = entity->getParent();
if(parent && phyProps->isGhost())
{
MVector3 euler = entity->getTransformedRotation();
physics->setObjectTransform(
phyProps->getCollisionObjectId(),
entity->getTransformedPosition(),
MQuaternion(euler.x, euler.y, euler.z)
);
}
else if(entity->needToUpdate())
{
physics->setObjectTransform(
phyProps->getCollisionObjectId(),
entity->getPosition(),
entity->getRotation()
);
}
}
}
physics->setWorldGravity(m_gravity);
physics->updateSimulation();
for(i=0; i<size; i++)
{
MOEntity * entity = getEntityByIndex(i);
if(! entity->isActive())
continue;
MPhysicsProperties * phyProps = entity->getPhysicsProperties();
if(phyProps)
{
if((phyProps->getCollisionObjectId() > 0) && (! phyProps->isGhost()))
{
MVector3 position = entity->getPosition();
MQuaternion rotation = entity->getRotation();
physics->getObjectTransform(phyProps->getCollisionObjectId(), &position, &rotation);
entity->setPosition(position);
entity->setRotation(rotation);
}
}
}
}
