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Animating entities

In order for your entities to be animated in the viewer, you must commit your entities state. You do not need to do it manually as the module automatically commits all the entities at the end of each frame.

However, you might want to force a commit, for example, to create several animations of the same entity during a single frame.

Usage

Two methods allow you to commit your entities:

commitEntityState(double t, Entity<?>... entities);

will commit the state of entities at the moment t (0 ≤ t ≤ 1 ). 0 being the start of the frame and 1 the end of the frame.

commitWorldState(double t);

will commit the state all the entities you created at the moment t (0 ≤ t ≤ 1).

If you want to commit a high amount of entities you may consider using commitWorldState instead of commitEntityState for better performances.

Examples

Animating a circle

//Starts invisible
circle.setRadius(0);
graphicEntityModule.commitEntityState(0, circle);

//Grow to big size
circle.setRadius(70);
graphicEntityModule.commitEntityState(0.8, circle);

//Stays with the same size a little bit
graphicEntityModule.commitEntityState(0.9, circle);

//Shrinks to normal size
circle.setRadius(50);
graphicEntityModule.commitEntityState(1, circle);

Animating several entities

circle.setRadius(50);
line.setX(30);
rectangle.setAplha(0.67);
commitWorldState(0.5);

circle.setRadius(70);
line.setX(50);
rectangle.setAplha(1);
commitWorldState(1);
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