Ukraine colors

define ViewBox(0, 0, 1780, 3600);
define default PathLayer('main-path-layer') ${
  fill: #bbb;
  stroke: #222;
  stroke-width: 1;
};

// viewBox="0 0 400 400"
// Color Wheel — Classic 360° Conic Gradient
// The "hello world" of conic gradients: a full rainbow sweep

// --- Gradients ---
let width = 1780;
let height = 3600;

let blue = oklch(0.45 0.15 257);
let yellow = oklch(0.86 0.18 98);

let wheel_outer = ConicGradient('wheel-outer', -480, 1200) {|g|
  g.stop(0,      blue.alpha(0.01));
  g.stop(0.0833, blue.alpha(0.2));
  g.stop(0.1667,    blue.alpha(0.5));
  g.stop(0.25,    blue.alpha(0.9));
  g.stop(0.3333,    blue.alpha(0.6));
  g.stop(0.4165,    blue.alpha(0.3));
  g.stop(0.5000,    blue.alpha(0.7));
  g.stop(0.5830,    blue.alpha(0.7));
  g.stop(0.6667,    yellow.alpha(0.3));
  g.stop(0.7497,    yellow.alpha(0.7));
  g.stop(0.833,      yellow.alpha(0.4));
  g.stop(0.9163,      yellow.alpha(0.8));
  g.stop(1,      yellow.alpha(0.01));
};
wheel_outer.innerRadius = 65;
wheel_outer.innerFill = 'transparent';
wheel_outer.spread = 'transparent';
wheel_outer.interpolation = 'oklch';
wheel_outer.from = -0.375pi;
wheel_outer.to = 0.375pi;

// --- Background ---

let bg = PathLayer('bg') ${ fill: #0e0e18; stroke: none; };
bg.apply { rect(0, 0, width, height); }

// --- Outer ring (donut) ---

let ring = PathLayer('ring') ${ 
  fill: wheel_outer; 
  stroke: wheel_outer;
  stroke-width: 1;
};
ring.apply { 
  triangleGrid(GridPatternType.Shape, 0, 0, calc(width + 10), height, 32);
}


// --- Scene ---

let scene = GroupLayer('scene') ${};
scene.append(bg, ring);