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fix SoftDemo crash, due to changes in OpenGLGuiHelper rendering

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fixes Issue #1655
This commit is contained in:
erwincoumans
2018-05-01 09:23:08 -07:00
parent 27c8827136
commit c7d9afac1e
2 changed files with 16 additions and 5 deletions
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19
examples/ExampleBrowser/OpenGLGuiHelper.cpp
View File

@@ -433,10 +433,14 @@ void OpenGLGuiHelper::createCollisionShapeGraphicsObject(btCollisionShape* colli
if (collisionShape->getShapeType() == SOFTBODY_SHAPE_PROXYTYPE) if (collisionShape->getShapeType() == SOFTBODY_SHAPE_PROXYTYPE)
{ {
computeSoftBodyVertices(collisionShape, gfxVertices, indices); computeSoftBodyVertices(collisionShape, gfxVertices, indices);
int shapeId = registerGraphicsShape(&gfxVertices[0].xyzw[0], gfxVertices.size(), &indices[0], indices.size(), B3_GL_TRIANGLES, if (gfxVertices.size() && indices.size())
m_data->m_checkedTexture); {
b3Assert(shapeId >= 0); int shapeId = registerGraphicsShape(&gfxVertices[0].xyzw[0], gfxVertices.size(), &indices[0], indices.size(), B3_GL_TRIANGLES,
collisionShape->setUserIndex(shapeId); m_data->m_checkedTexture);
b3Assert(shapeId >= 0);
collisionShape->setUserIndex(shapeId);
}
} }
if (collisionShape->getShapeType()==MULTI_SPHERE_SHAPE_PROXYTYPE) if (collisionShape->getShapeType()==MULTI_SPHERE_SHAPE_PROXYTYPE)
{ {
@@ -1265,6 +1269,11 @@ void OpenGLGuiHelper::autogenerateGraphicsObjects(btDiscreteDynamicsWorld* rbWor
btCollisionObject* colObj = sortedObjects[i]; btCollisionObject* colObj = sortedObjects[i];
//btRigidBody* body = btRigidBody::upcast(colObj); //btRigidBody* body = btRigidBody::upcast(colObj);
//does this also work for btMultiBody/btMultiBodyLinkCollider? //does this also work for btMultiBody/btMultiBodyLinkCollider?
btSoftBody* sb = btSoftBody::upcast(colObj);
if (sb)
{
colObj->getCollisionShape()->setUserPointer(sb);
}
createCollisionShapeGraphicsObject(colObj->getCollisionShape()); createCollisionShapeGraphicsObject(colObj->getCollisionShape());
int colorIndex = colObj->getBroadphaseHandle()->getUid() & 3; int colorIndex = colObj->getBroadphaseHandle()->getUid() & 3;
@@ -1313,6 +1322,8 @@ void OpenGLGuiHelper::computeSoftBodyVertices(btCollisionShape* collisionShape,
btAlignedObjectArray<GLInstanceVertex>& gfxVertices, btAlignedObjectArray<GLInstanceVertex>& gfxVertices,
btAlignedObjectArray<int>& indices) btAlignedObjectArray<int>& indices)
{ {
if (collisionShape->getUserPointer()==0)
return;
b3Assert(collisionShape->getUserPointer()); b3Assert(collisionShape->getUserPointer());
btSoftBody* psb = (btSoftBody*)collisionShape->getUserPointer(); btSoftBody* psb = (btSoftBody*)collisionShape->getUserPointer();
gfxVertices.resize(psb->m_faces.size() * 3); gfxVertices.resize(psb->m_faces.size() * 3);

2
examples/SoftDemo/SoftDemo.cpp
View File

@@ -169,7 +169,7 @@ public:
for ( int i=0;i<softWorld->getSoftBodyArray().size();i++) for ( int i=0;i<softWorld->getSoftBodyArray().size();i++)
{ {
btSoftBody* psb=(btSoftBody*)softWorld->getSoftBodyArray()[i]; btSoftBody* psb=(btSoftBody*)softWorld->getSoftBodyArray()[i];
if (softWorld->getDebugDrawer() && !(softWorld->getDebugDrawer()->getDebugMode() & (btIDebugDraw::DBG_DrawWireframe))) //if (softWorld->getDebugDrawer() && !(softWorld->getDebugDrawer()->getDebugMode() & (btIDebugDraw::DBG_DrawWireframe)))
{ {
btSoftBodyHelpers::DrawFrame(psb,softWorld->getDebugDrawer()); btSoftBodyHelpers::DrawFrame(psb,softWorld->getDebugDrawer());
btSoftBodyHelpers::Draw(psb,softWorld->getDebugDrawer(),softWorld->getDrawFlags()); btSoftBodyHelpers::Draw(psb,softWorld->getDebugDrawer(),softWorld->getDrawFlags());