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Use a clearer error message when the raycast callback doesn't return a number (issue #356)

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Bart van Strien
2012-03-03 12:11:06 +01:00
parent dcb09c03a8
commit 66aef58075
1 changed files with 3 additions and 1 deletions
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src/modules/physics/box2d/World.cpp
+3 -1
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@@ -195,7 +195,9 @@ namespace box2d
lua_pushnumber(L, scaledNormal.y); lua_pushnumber(L, scaledNormal.y);
lua_pushnumber(L, fraction); lua_pushnumber(L, fraction);
lua_call(L, 6, 1); lua_call(L, 6, 1);
return (float32)luaL_checknumber(L, -1); if (!lua_isnumber(L, -1))
luaL_error(L, "Raycast callback didn't return a number!");
return (float32)lua_tonumber(L, -1);
} }
return 0; return 0;
} }