92 lines
2.8 KiB
Rust
92 lines
2.8 KiB
Rust
//! Animated clock example
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//!
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//! This example draws an animated clock that shows the current time.
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//! The clock updates every second to reflect the actual time.
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use chrono::{Local, Timelike};
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use macroquad::prelude::{clear_background, is_key_pressed, next_frame, KeyCode, WHITE};
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use turtle_lib::{create_turtle_plan, vec2, DirectionalMovement, Turnable, TurtleApp};
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#[macroquad::main("Clock")]
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async fn main() {
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const HOURS: i32 = 12;
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const MINUTES: f32 = 60.0;
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const SECONDS: f32 = 60.0;
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const FULL_CIRCLE: f32 = 360.0;
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let mut app = TurtleApp::new();
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let mut last_update = Local::now();
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loop {
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clear_background(WHITE);
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let now = Local::now();
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// Only redraw when the time changes
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if now.second() != last_update.second() {
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let mut turtle = create_turtle_plan();
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turtle.reset().set_speed(1100).left(90.0); // Instant mode for smooth updates
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// Draw the clock circle and hour markers
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for i in 1..=HOURS {
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turtle
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.pen_up()
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.go_to(vec2(0.0, 0.0))
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.right(FULL_CIRCLE / HOURS as f32)
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.forward(205.0);
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let pen_size = if (i) % 3 == 0 { 7.0 } else { 2.0 };
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turtle
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.set_pen_width(pen_size)
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.pen_down()
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.forward(10.0)
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.right(90.0)
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.write_text(format!("{i}"), 2 * pen_size as i32 + 10)
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.left(90.0);
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}
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// Draw the hour hand
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turtle
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.pen_up()
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.go_to(vec2(0.0, 0.0))
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.set_heading(90.0)
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.right(FULL_CIRCLE / HOURS as f32 * (now.hour() % 12) as f32)
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.set_pen_width(5.0)
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.pen_down()
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.forward(120.0);
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// Draw the minute hand
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turtle
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.pen_up()
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.go_to(vec2(0.0, 0.0))
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.set_heading(90.0)
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.right(FULL_CIRCLE / MINUTES * now.minute() as f32)
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.set_pen_width(3.0)
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.pen_down()
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.forward(150.0);
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// Draw the second hand
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turtle
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.pen_up()
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.go_to(vec2(0.0, 0.0))
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.set_heading(90.0)
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.right(FULL_CIRCLE / SECONDS * now.second() as f32)
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.set_pen_width(1.0)
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.pen_down()
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.forward(180.0);
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app = TurtleApp::new().with_commands(turtle.build());
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last_update = now;
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}
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app.update();
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app.render();
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if is_key_pressed(KeyCode::Escape) || is_key_pressed(KeyCode::Q) {
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break;
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}
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next_frame().await;
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}
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}
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