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| author | don bright <hugh.m.bright@gmail.com> | 2013-02-02 19:43:59 (GMT) |
|---|---|---|
| committer | don bright <hugh.m.bright@gmail.com> | 2013-02-02 19:43:59 (GMT) |
| commit | 18e3a7d9ad8e052d626ac250a9c9d5f36f29a54d (patch) | |
| tree | 565c87e051833daa1c0eed7ffe45533fcf05c2fb /src/control.cc | |
| parent | 61fffc0e5b92c9bda7e376983fdc90b498eed745 (diff) | |
| parent | eb30d42b5dd3ed5bb37336ed46a59eabaca81e06 (diff) | |
Merge branch 'master' of github.com:openscad/openscad into misc_updates
Conflicts:
scripts/uni-build-dependencies.sh
Diffstat (limited to 'src/control.cc')
| -rw-r--r-- | src/control.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/control.cc b/src/control.cc index bdd0f40..44847f5 100644 --- a/src/control.cc +++ b/src/control.cc @@ -96,8 +96,10 @@ AbstractNode *ControlModule::evaluate(const Context*, const ModuleInstantiation size_t n = 0; if (inst->argvalues.size() > 0) { double v; - if (inst->argvalues[0].getDouble(v)) - n = v; + if (inst->argvalues[0].getDouble(v)) { + if (v < 0) return NULL; // Disallow negative child indices + n = trunc(v); + } } for (int i = Context::ctx_stack.size()-1; i >= 0; i--) { const Context *c = Context::ctx_stack[i]; |