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