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don't try to build convex hulls with nan data

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This commit is contained in:
Andrew Meadows 2018-04-23 17:00:38 -07:00
parent 758bf09b30
commit 95d07345d4
1 changed files with 6 additions and 1 deletions
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7
libraries/physics/src/ShapeFactory.cpp
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@ -114,6 +114,11 @@ btConvexHullShape* createConvexHull(const ShapeInfo::PointList& points) {
minCorner = glm::min(minCorner, points[i]); minCorner = glm::min(minCorner, points[i]);
} }
center /= (float)(points.size()); center /= (float)(points.size());
if (glm::any(glm::isnan(center))) {
// don't feed garbage to Bullet
assert(false); // crash here in DEBUG so we can investigate source of bad input
return nullptr;
}
float margin = hull->getMargin(); float margin = hull->getMargin();
@ -265,7 +270,7 @@ btTriangleIndexVertexArray* createStaticMeshArray(const ShapeInfo& info) {
} }
const btCollisionShape* ShapeFactory::createShapeFromInfo(const ShapeInfo& info) { const btCollisionShape* ShapeFactory::createShapeFromInfo(const ShapeInfo& info) {
btCollisionShape* shape = NULL; btCollisionShape* shape = nullptr;
int type = info.getType(); int type = info.getType();
switch(type) { switch(type) {
case SHAPE_TYPE_BOX: { case SHAPE_TYPE_BOX: {