/**
* Updates tools based on tracking data in the specified Leap ToolList object.
* Active ToolModel instances are updated if the tool they represent is still
* present in the Leap ToolList; otherwise, the ToolModel is removed. If new
* Leap Tool objects are present in the Leap ToolList, new ToolModels are
* created and added to the HandController tool list.
* @param all_tools The dictionary containing the ToolModels to update.
* @param leap_tools The list of tools from the a Leap Frame instance.
* @param model The ToolModel instance to use for new tools.
*/
protected void UpdateToolModels(Dictionary <int, ToolModel> all_tools,
ToolList leap_tools, ToolModel model)
{
List <int> ids_to_check = new List <int>(all_tools.Keys);
// Go through all the active tools and update them.
int num_tools = leap_tools.Count;
for (int h = 0; h < num_tools; ++h)
{
Tool leap_tool = leap_tools[h];
// Only create or update if the tool is enabled.
if (model)
{
ids_to_check.Remove(leap_tool.Id);
// Create the tool and initialized it if it doesn't exist yet.
if (!all_tools.ContainsKey(leap_tool.Id))
{
ToolModel new_tool = CreateTool(model);
new_tool.SetController(this);
new_tool.SetLeapTool(leap_tool);
new_tool.InitTool();
all_tools[leap_tool.Id] = new_tool;
}
// Make sure we update the Leap Tool reference.
ToolModel tool_model = all_tools[leap_tool.Id];
tool_model.SetLeapTool(leap_tool);
tool_model.MirrorZAxis(mirrorZAxis);
// Set scaling.
tool_model.transform.localScale = transform.lossyScale;
tool_model.UpdateTool();
}
}
// Destroy all tools with defunct IDs.
for (int i = 0; i < ids_to_check.Count; ++i)
{
Destroy(all_tools[ids_to_check[i]].gameObject);
all_tools.Remove(ids_to_check[i]);
}
}
