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(