const branchGroupDepth = 10;
const leavesGroupSize = 2 ** (branchGroupDepth-1);
let groupCounter = 0;
function generate(angle, depth, arr)
{ let leafColor = colors[divide(0, leavesGroupSize, colors.length, groupCounter)];
arr.push({
angle,
branchArmLength: random(minBranchLenght, maxBranchLenght),
color: leafColor
});
if (depth === branchGroupDepth) { groupCounter = 0; }
if (depth === 0) { groupCounter++; }
if (depth != 0) {
if (depth > 1) { generate(angle - random(minAngle, maxAngle), depth - 1, arr); generate(angle + random(minAngle, maxAngle), depth - 1, arr);
} else {
generate(angle, depth - 1, arr); }}}

let branchCounter = 0;
const bendability = 2;
const leafBendability = 17;
function branch(x1, y1, arr, depth, windConfig) {
if (depth != 0) {
const xx = calcX(dir, depth * branchArmLength);
const yy = calcY(dir, depth * branchArmLength);
const windSidewayForce = windX * yy - windY * xx;
const bendabiityOfCurrentBranch = (1 - (depth * 0.7) / (maxDepth * 0.7)) ** bendability;
dir = angle + wind * bendabiityOfCurrentBranch * windSidewayForce; let x2 = x1 + calcX(dir, depth * branchArmLength);
let y2 = y1 + calcY(dir, depth * branchArmLength);
lines[depth].
ush([x1, y1, x2, y2]);
if (depth > 1) {
branch(x2, y2, arr, depth - 1, windConfig);
branch(x2, y2, arr, depth - 1, windConfig);
} else {
branch(x2, y2, arr, depth - 1, windConfig);
}
} else {
const leafAngle = angle + wind * windSidewayForce * leafBendability; leaves[color].push([x1, y1, leafAngle]);
}
}

function generate(number) {
for (var i = 0; i < number; i++) {
var y = random(fieldTopStart, h + fieldBottomDeviation);
var x = random(0, w);
var colorGroup = divide(fieldTopStart, h + fieldBottomDeviation + 1, fieldAreas, y);
var color = colors[colorGroup][random(0, colors[colorGroup].length)];
var angle = random(-maxAngleDeviation, maxAngleDeviation);
var speed = random(minSpeed, maxSpeed);
dots.push([x, y, color, angle, speed]);
}
dots.sort()}