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|
use iced::widget::canvas::{
self, gradient::Location, gradient::Position, Cache, Canvas, Cursor, Frame,
Geometry, Gradient,
};
use iced::{
executor, Application, Color, Command, Element, Length, Point, Rectangle,
Renderer, Settings, Size, Theme,
};
use rand::{thread_rng, Rng};
fn main() -> iced::Result {
env_logger::builder().format_timestamp(None).init();
ModernArt::run(Settings {
antialiasing: true,
..Settings::default()
})
}
#[derive(Debug, Clone, Copy)]
enum Message {}
struct ModernArt {
cache: Cache,
}
impl Application for ModernArt {
type Executor = executor::Default;
type Message = Message;
type Theme = Theme;
type Flags = ();
fn new(_flags: Self::Flags) -> (Self, Command<Self::Message>) {
(
ModernArt {
cache: Default::default(),
},
Command::none(),
)
}
fn title(&self) -> String {
String::from("Modern Art")
}
fn update(&mut self, _message: Message) -> Command<Message> {
Command::none()
}
fn view(&self) -> Element<'_, Self::Message, Renderer<Self::Theme>> {
Canvas::new(self)
.width(Length::Fill)
.height(Length::Fill)
.into()
}
}
impl<Message> canvas::Program<Message, Renderer> for ModernArt {
type State = ();
fn draw(
&self,
_state: &Self::State,
renderer: &Renderer,
_theme: &Theme,
bounds: Rectangle,
_cursor: Cursor,
) -> Vec<Geometry> {
let geometry = self.cache.draw(renderer, bounds.size(), |frame| {
let num_squares = thread_rng().gen_range(0..1200);
let mut i = 0;
while i <= num_squares {
generate_box(frame, bounds.size());
i += 1;
}
});
vec![geometry]
}
}
fn random_direction() -> Location {
match thread_rng().gen_range(0..8) {
0 => Location::TopLeft,
1 => Location::Top,
2 => Location::TopRight,
3 => Location::Right,
4 => Location::BottomRight,
5 => Location::Bottom,
6 => Location::BottomLeft,
7 => Location::Left,
_ => Location::TopLeft,
}
}
fn generate_box(frame: &mut Frame, bounds: Size) -> bool {
let solid = rand::random::<bool>();
let random_color = || -> Color {
Color::from_rgb(
thread_rng().gen_range(0.0..1.0),
thread_rng().gen_range(0.0..1.0),
thread_rng().gen_range(0.0..1.0),
)
};
let gradient = |top_left: Point, size: Size| -> Gradient {
let mut builder = Gradient::linear(Position::Relative {
top_left,
size,
start: random_direction(),
end: random_direction(),
});
let stops = thread_rng().gen_range(1..15u32);
let mut i = 0;
while i <= stops {
builder = builder.add_stop(i as f32 / stops as f32, random_color());
i += 1;
}
builder.build().unwrap()
};
let top_left = Point::new(
thread_rng().gen_range(0.0..bounds.width),
thread_rng().gen_range(0.0..bounds.height),
);
let size = Size::new(
thread_rng().gen_range(50.0..200.0),
thread_rng().gen_range(50.0..200.0),
);
if solid {
frame.fill_rectangle(top_left, size, random_color());
} else {
frame.fill_rectangle(top_left, size, gradient(top_left, size));
};
solid
}
|
