Method syncPhysicsToGraphics

examples/ExampleBrowser/OpenGLGuiHelper.cpp:1050–1108

	}
}
void OpenGLGuiHelper::syncPhysicsToGraphics(const btDiscreteDynamicsWorld* rbWorld)
{
	//in VR mode, we skip the synchronization for the second eye
	if (m_data->m_vrMode && m_data->m_vrSkipShadowPass == 1)
		return;

	int numCollisionObjects = rbWorld->getNumCollisionObjects();
	{
		B3_PROFILE("write all InstanceTransformToCPU");
		for (int i = 0; i < numCollisionObjects; i++)
		{
			//B3_PROFILE("writeSingleInstanceTransformToCPU");
			btCollisionObject* colObj = rbWorld->getCollisionObjectArray()[i];
			btCollisionShape* collisionShape = colObj->getCollisionShape();
			if (collisionShape->getShapeType() == SOFTBODY_SHAPE_PROXYTYPE && collisionShape->getUserIndex() >= 0)
			{
				const btSoftBody* psb = (const btSoftBody*)colObj;
				btAlignedObjectArray<GLInstanceVertex> gfxVertices;
				
				if (psb->m_renderNodes.size() > 0)
				{
					
					gfxVertices.resize(psb->m_renderNodes.size());
					for (int i = 0; i < psb->m_renderNodes.size(); i++)  // Foreach face
					{
						gfxVertices[i].xyzw[0] = psb->m_renderNodes[i].m_x[0];
						gfxVertices[i].xyzw[1] = psb->m_renderNodes[i].m_x[1];
						gfxVertices[i].xyzw[2] = psb->m_renderNodes[i].m_x[2];
						gfxVertices[i].xyzw[3] = psb->m_renderNodes[i].m_x[3];
						gfxVertices[i].uv[0] = psb->m_renderNodes[i].m_uv1[0];
						gfxVertices[i].uv[1] = psb->m_renderNodes[i].m_uv1[1];
						//gfxVertices[i].normal[0] = psb->m_renderNodes[i].
						gfxVertices[i].normal[0] = psb->m_renderNodes[i].m_normal[0];
						gfxVertices[i].normal[1] = psb->m_renderNodes[i].m_normal[1];
						gfxVertices[i].normal[2] = psb->m_renderNodes[i].m_normal[2];
					}
				}
				else
				{
					btAlignedObjectArray<int> indices;
					computeSoftBodyVertices(collisionShape, gfxVertices, indices);
				}
				m_data->m_glApp->m_renderer->updateShape(collisionShape->getUserIndex(), &gfxVertices[0].xyzw[0], gfxVertices.size());
				continue;
			}
			btVector3 pos = colObj->getWorldTransform().getOrigin();
			btQuaternion orn = colObj->getWorldTransform().getRotation();
			int index = colObj->getUserIndex();
			if (index >= 0)
			{
				m_data->m_glApp->m_renderer->writeSingleInstanceTransformToCPU(pos, orn, index);
			}
		}
	}
	{
		B3_PROFILE("writeTransforms");
		m_data->m_glApp->m_renderer->writeTransforms();
	}