Babylon.js Essentials

Using conditions to control the actions graphs

In the previous sub-topic (the available actions), the conditions in actions were bypassed. In fact, every action can have a condition that controls whether the ActionManager executes the action or not. The conditions can check whether a value is one of the following states compared to another value:

• Equal
• Lesser
• Greater
• Different

There are three types of condition, as follows:

• State condition: This checks whether the .state property of BABYLON.Node is equal to the given state. A state is a string.
• Value condition: This checks whether a property is equal, lesser, greater, or different from a given value.
• Predicate condition: This calls a custom method that will return true or false.

If an action has a condition, ...