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use ranim::{
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    animation::{
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        creation::WritingAnimSchedule, fading::FadingAnimSchedule, transform::TransformAnimSchedule,
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    },
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    color::palettes::manim,
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    items::vitem::{Circle, Square},
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    prelude::*,
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};
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#[scene]
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struct HelloRanimScene;
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impl TimelineConstructor for HelloRanimScene {
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    fn construct<'t: 'r, 'r>(
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        self,
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        timeline: &'t RanimTimeline,
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        _camera: &'r mut Rabject<'t, CameraFrame>,
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    ) {
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        let mut square = Square(2.0).build();
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        square.set_color(manim::BLUE_C);
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        let mut square = timeline.insert(square);
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        let mut circle = Circle(2.0).build();
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        circle.set_color(manim::RED_C);
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        timeline.play(square.transform_to(circle).apply()); // Use `apply` on an anim schedule to update rabject data
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        timeline.play(square.unwrite()); // Do not use `apply` to keep the data in Rabject not changed
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        timeline.play(square.write());
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        timeline.play(square.fade_out());
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    }
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}
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fn main() {
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    #[cfg(feature = "app")]
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    run_scene_app(HelloRanimScene);
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    #[cfg(not(feature = "app"))]
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    {
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        render_scene(HelloRanimScene, &AppOptions::default());
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        render_scene_at_sec(HelloRanimScene, 0.0, "preview.png", &AppOptions::default());
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    }
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}
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