Schotter en Rust

schotter.rs

use nannou::prelude::*;

const ROWS: u32 = 22;
const COLS: u32 = 12;
const SIZE: u32 = 30;
const MARGIN: u32 = 35;
const WIDTH: u32 = COLS * SIZE + 2 * MARGIN;
const HEIGHT: u32 = ROWS * SIZE + 2 * MARGIN;

const LINE_WIDTH: f32 = 0.06;

fn main() {
    nannou::sketch(view)
    .size(WIDTH,HEIGHT)
    .run()
}

fn view(app: &App, frame: Frame) {
    // Loop Once Config
    app.set_loop_mode(LoopMode::loop_once());

    // Assign Draw interface to the draw variable
    let draw = app.draw();
    // Customized coordinates in gdraw
    let gdraw = draw.scale(SIZE as f32)
                    .scale_y(-1.0)
                    .x_y(COLS as f32 / -2.0 + 0.5, ROWS as f32 / -2.0 + 0.5);

    // Using the Draw interface
    draw.background().color(WHITE);

    // Drawing grid
    for y in 0..ROWS {
        for x in 0..COLS {
            // New Draw interface for each shape
            let cdraw = gdraw.x_y(x as f32, y as f32);

            // Randomize position and rotation
            // depending on distance from top
            let factor = y as f32 / ROWS as f32;
            let x_offset = factor * random_range(-0.5,0.5);
            let y_offset = factor * random_range(-0.5, 0.5);
            let rotation = factor * random_range(-PI / 4.0, PI / 4.5);

            // Draw each square
            cdraw.rect()
                .no_fill()
                .stroke(BLACK)
                .stroke_weight(LINE_WIDTH)
                .w_h(1.0,1.0)
                .x_y(x_offset,y_offset)
                .rotate(rotation)
                ;
        }
    }

    // Render everything to the Frame
    draw.to_frame(app, &frame).unwrap();
}