Use of GetParent () in "reprint" Cocos2d-x

use of GetParent () in Cocos2d-x void Cccontrollayer::colr ()

{

((Changefood *) (This->getparent ()))->run (1);

}

1>cccontrollayer is a layer that is loaded on top of Changefood.

2> uses the getParent function to get a NODE -type pointer to the parent class that transforms the pointer into a parent class type, which can be used to invoke the parent class's function.

3> The key here is to call the Getparten () function with this, and if the object of the subclass is tuned, an error occurs.

4> coercion type conversion (Changefood *); Converts the pointer of node * type to Changefood * type.

Use of GetParent () in "reprint" Cocos2d-x