Struct YoleckKnobHandle

pub struct YoleckKnobHandle<'a> {
    pub cmd: EntityCommands<'a>,
    pub is_new: bool,
    /* private fields */
}

An handle for intearcing with a knob from an edit system.

Fields

cmd: EntityCommands<'a>

The command of the knob entity.

is_new: bool

true if the knob entity is just created this frame.

Implementations

impl YoleckKnobHandle<'_>

pub fn get_passed_data<T: 'static>(&self) -> Option<&T>

Get data sent to the knob from external systems (usually interaciton from the level editor)

The data is sent using a directive event.

fn edit_example_with_knob(mut edit: YoleckEdit<&mut Example>, mut knobs: YoleckKnobs) {
    let Ok(mut example) = edit.single_mut() else { return };
    let mut knob = knobs.knob("click-counting");
    knob.cmd.insert((
        // setup the knobs position and graphics
    ));
    if knob.get_passed_data::<YoleckKnobClick>().is_some() {
        example.num_clicks_on_knob += 1;
    }
}