function hcyl(bottom, height, radius, id) {
let radsq = radius * radius
let innerRadsq = (radius - 1.2) * (radius - 1.2)
height += bottom
for (let x = -radius; x <= radius; x++) {
for (let y = bottom; y < height; y++) {
for (let z = -radius; z <= radius; z++) {
let d = x * x + z * z
if (d < radsq && d >= innerRadsq) {
world.setBlock(p2.x + x, p2.y + y, p2.z + z, id)
}
}
}
}
}

function cyl(bottom, height, radius, id) {
let radsq = radius * radius
height += bottom
for (let x = -radius; x <= radius; x++) {
for (let y = bottom; y < height; y++) {
for (let z = -radius; z <= radius; z++) {
let d = x * x + z * z
if (d < radsq) {
world.setBlock(p2.x + x, p2.y + y, p2.z + z, id)
}
}
}
}
}

function cube(bottom, height, radius, id) {
let radsq = radius * radius
height += bottom
for (let x = -radius; x <= radius; x++) {
for (let y = bottom; y < height; y++) {
for (let z = -radius; z <= radius; z++) {
let d = x + z
if (d < radsq) {
world.setBlock(p2.x + x, p2.y + y, p2.z + z, id)
}
}
}
}
}

function sphereoid(w, h, d, id) {
let w2 = w * w
let h2 = h * h
let d2 = d * d
let w3 = (w - 1.5) * (w - 1.5)
let h3 = (h - 1.5) * (h - 1.5)
let d3 = (d - 1.5) * (d - 1.5)

for (let y = -h; y < h; y++) {
for (let x = -w; x <= w; x++) {
for (let z = -d; z <= d; z++) {
let n = x * x / w2 + y * y / h2 + z * z / d2
let n2 = x * x / w3 + y * y / h3 + z * z / d3
if (n < 1 && n2 >= 1) {
world.setBlock(p2.x + x, p2.y + y, p2.z + z, id)
}
}
}
}
}

function sleep(ms) {
return new Promise(resolve => setTimeout(() => resolve(), ms))
}

async function asphereoid(w, h, d, id) {
let px = p2.x
let py = p2.y
let pz = p2.z
let w2 = w * w
let h2 = h * h
let d2 = d * d
let w3 = (w - 1.5) * (w - 1.5)
let h3 = (h - 1.5) * (h - 1.5)
let d3 = (d - 1.5) * (d - 1.5)

for (let y = -h; y < h; y++) {
for (let x = -w; x <= w; x++) {
for (let z = -d; z <= d; z++) {
let n = x * x / w2 + y * y / h2 + z * z / d2
let n2 = x * x / w3 + y * y / h3 + z * z / d3
if (n < 1 && n2 >= 1) {
world.setBlock(px + x, py + y, pz + z, id)
await sleep(10)
}
}
}
}
}

function line(x1, y1, z1, x2, y2, z2, id) {
let dx = Math.abs(x2 - x1);
let dy = Math.abs(y2 - y1);
let dz = Math.abs(z2 - z1);
let sx = (x1 < x2) ? 1 : -1;
let sy = (y1 < y2) ? 1 : -1;
let sz = (z1 < z2) ? 1 : -1;
let err1 = dx - dy;
let err2 = dx - dz;
let err3 = dy - dz;

while (true) {
world.setBlock(x1, y1, z1, id);

if (x1 === x2 && y1 === y2 && z1 === z2) break;
let e2 = 2 * err1;
let e3 = 2 * err2;
let e4 = 2 * err3;

if (e2 > -dy) {
err1 -= dy;
err2 -= dz;
x1 += sx;
}
if (e2 < dx) {
err1 += dx;
err3 -= dz;
y1 += sy;
}
if (e3 > -dz) {
err2 += dy;
err3 += dx;
z1 += sz;
}
}
}

function cloneBlock(sx, sy, sz, dx, dy, dz, w, h, l) {
for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
let block = world.getBlock(sx + x, sy + y, sz + z);
world.setBlock(dx + x, dy + y, dz + z, block);
}
}
}
}

function duplicateBlock(sx, sy, sz, dx, dy, dz, w, h, l, offsetX, offsetY, offsetZ, num) {
for (let i = 0; i < num; i++) {
cloneBlock(sx, sy, sz, dx + offsetX * i, dy + offsetY * i, dz + offsetZ * i, w, h, l);
}
}

function rotateBlock(sx, sy, sz, dx, dy, dz, w, h, l, angle) {
let rad = angle * (Math.PI / 180);
let sin = Math.sin(rad);
let cos = Math.cos(rad);

for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
let nx = Math.round(x * cos - z * sin);
let nz = Math.round(x * sin + z * cos);
let block = world.getBlock(sx + x, sy + y, sz + z);
world.setBlock(dx + nx, dy + y, dz + nz, block);
}
}
}
}

function fillBlock(sx, sy, sz, dx, dy, dz, id) {
let w = Math.abs(dx - sx) + 1;
let h = Math.abs(dy - sy) + 1;
let l = Math.abs(dz - sz) + 1;

let startX = Math.min(sx, dx);
let startY = Math.min(sy, dy);
let startZ = Math.min(sz, dz);

for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
world.setBlock(startX + x, startY + y, startZ + z, id);
}
}
}
}

function moveBlock(sx, sy, sz, dx, dy, dz, w, h, l) {
cloneBlock(sx, sy, sz, dx, dy, dz, w, h, l);
fillBlock(sx, sy, sz, sx + w - 1, sy + h - 1, sz + l - 1, 0);
}

function paintBlock(sx, sy, sz, dx, dy, dz, w, h, l, colorId) {
cloneBlock(sx, sy, sz, dx, dy, dz, w, h, l);

for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
world.setBlock(dx + x, dy + y, dz + z, colorId);
}
}
}
}

function replaceBlock(sx, sy, sz, dx, dy, dz, id, newId) {
let w = Math.abs(dx - sx) + 1;
let h = Math.abs(dy - sy) + 1;
let l = Math.abs(dz - sz) + 1;

let startX = Math.min(sx, dx);
let startY = Math.min(sy, dy);
let startZ = Math.min(sz, dz);

for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
if (world.getBlock(startX + x, startY + y, startZ + z) === id) {
world.setBlock(startX + x, startY + y, startZ + z, newId);
}
}
}
}
}

function mirrorBlock(sx, sy, sz, dx, dy, dz, w, h, l, axis) {
if (axis === "x") {
for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
let block = world.getBlock(sx + x, sy + y, sz + z);
world.setBlock(dx + w - x - 1, dy + y, dz + z, block);
}
}
}
} else if (axis === "y") {
for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
let block = world.getBlock(sx + x, sy + y, sz + z);
world.setBlock(dx + x, dy + h - y - 1, dz + z, block);
}
}
}
} else if (axis === "z") {
for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
let block = world.getBlock(sx + x, sy + y, sz + z);
world.setBlock(dx + x, dy + y, dz + l - z - 1, block);
}
}
}
}
}

function clearBlock(sx, sy, sz, dx, dy, dz) {
let w = Math.abs(dx - sx) + 1;
let h = Math.abs(dy - sy) + 1;
let l = Math.abs(dz - sz) + 1;

let startX = Math.min(sx, dx);
let startY = Math.min(sy, dy);
let startZ = Math.min(sz, dz);

for (let x = 0; x < w; x++) {
for (let y = 0; y < h; y++) {
for (let z = 0; z < l; z++) {
world.setBlock(startX + x, startY + y, startZ + z, 0);
}
}
}
}

function fillArea2D(x, y, z) {