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@@ -21,3 +21,12 @@ For example, one NPC can be controlled by a PhysicsControl instance and an AICon
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** You can pass arguments into your custom control.
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** In the control class, the object `spatial` gives you access to the spatial and subspatials that the control is attached to.
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** Here you modify the `spatial`'s transformation (move, scale, rotate), play animations, check its environement, define how it acts and reacts.
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+
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+. Add an instance of the Control to a spatial to give it this behavior. The spatial's game state is updated automatically from now on. +
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+[source,java]
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+----
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+spatial.addControl(myControl);
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+----
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+
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+
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+To implement game logic for a type of spatial, you will either extend AbstractControl (most common case), or implement the Control interface, as explained in this article.
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mitm001