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（最开始生成出来的地形是土色的，不用怕，因为后面会上色）

只是便于代码去识别地形

服务器的内存可能会炸，不行的话多试几次，再不行可以回复我）

var waterLevel = 10;/*水平面 */
async function summon(times) {/*由于尹子比较懒就直接把曾经做的手绘这种地形的代码改了一下放在了这儿 */
    world.say("放置中...");
    for (let iiii = 0; iiii < times; iiii++) {
        var pos = new Box3Vector3(Math.round(Math.random() * 256), Math.round(Math.random() * 50), Math.round(Math.random() * 256));
        var r = 8;
        var voxel = "board10";
        for (let i = pos.x - r; i <= pos.x + r; i++) {
            for (let j = pos.z - r; j <= pos.z + r; j++) {
                for (let k = pos.y; k <= pos.y + r; k++) {
                    if (new Box3Vector3(i, k, j).distance(pos) <= r && voxels.getVoxel(i, k, j) == 0) {
                        for (let x = k - 1; x >= 0; x--) {
                            if (voxels.getVoxel(i, x, j) != 0) {
                                voxels.setVoxel(i, x + 1, j, voxel);
                                break;
                            }
                        }
                    }
                }
            }
        }
        if (iiii % 10 == 0) await sleep(10);
    }
    world.say("放置中...");

    for (let iiii = 0; iiii < times; iiii++) {
        var pos = new Box3Vector3(Math.round(Math.random() * 256), Math.round(Math.random() * 50), Math.round(Math.random() * 256));
        var r = 15;
        var voxel = "board10";
        for (let i = pos.x - r; i <= pos.x + r; i++) {
            for (let j = pos.z - r; j <= pos.z + r; j++) {
                if (new Box3Vector3(i, pos.y, j).distance(pos) <= r && voxels.getVoxel(i, pos.y, j) == 0) {
                    for (let x = pos.y - 1; x >= 0; x--) {
                        if (voxels.getVoxel(i, x, j) != 0) {
                            voxels.setVoxel(i, x + 1, j, voxel);
                            break;
                        }
                    }
                }

            }
        }
        if (iiii % 10 == 0) await sleep(10);
    }

};
async function noiseDestroy(num) {
    world.say("消噪初始化...");
    for (let kkkk = 0; kkkk < num; kkkk++) {
        var voxelReadyBreak = [];
        var d = [/*四个方向 */
            [1, 0, 0],
            [0, 0, 1],
            [-1, 0, 0],
            [0, 0, -1]
        ];
        for (let i = 0; i < 257; i++) {
            for (let j = 0; j < 257; j++) {
                for (let k = 0; k < 60; k++) {
                    if (voxels.getVoxel(i, k, j) == 0) {/*找出空气方块周围有>=3块都是实体方块并填充 */
                        var cnt = 0;
                        for (let s = 0; s < d.length; s++) {
                            if ([127, 125].includes(voxels.getVoxel(i + d[s][0], k + d[s][1], j + d[s][2]))) {
                                cnt++;
                            }
                        }
                        if (cnt >= 3) {
                            if (k < waterLevel) {
                                voxelReadyBreak.push([i, k, j, "dirt"]);
                            } else if (k == waterLevel) {
                                voxelReadyBreak.push([i, k, j, "sand"]);
                            } else {
                                voxelReadyBreak.push([i, k, j, "grass"]);
                            }
                        }
                    } else if ([127, 125].includes(voxels.getVoxel(i, k, j))) {/*找出实体方块周围有>=3块都是液体或者空气的并清除 */
                        var cnt = 0;
                        for (let s = 0; s < d.length; s++) {
                            if ([0, 3喵].includes(voxels.getVoxel(i + d[s][0], k + d[s][1], j + d[s][2]))) {
                                cnt++;
                            }
                        }
                        var voxel = 0;
                        if (k < waterLevel) voxel = 3喵;
                        if (k == waterLevel) voxel = 135;
                        if (cnt >= 3) voxelReadyBreak.push([i, k, j, voxel]);
                    }
                }
            }
        }
        for (let i = 0; i < voxelReadyBreak.length; i++) {/*最后一起放置，以避免误差 */
            voxels.setVoxel(voxelReadyBreak[i][0], voxelReadyBreak[i][1], voxelReadyBreak[i][2], voxelReadyBreak[i][3])
        }
        world.say("消噪中...进度" + kkkk + "/"+num);
        await sleep(100);
    }
    world.say("地形正常化...");/*把消噪的时候出问题的方块还原 */
    for (let i = 0; i < 257; i++) { for (let j = 0; j < 257; j++)for (let k = 0; k <= waterLevel; k++) { if (voxels.getVoxel(i, k, j) == 0) { voxels.setVoxel(i, k, j, "water") } } }
    for (let i = 0; i < 257; i++) { for (let j = 0; j < 257; j++)for (let k = 0; k < 60; k++) { if (voxels.getVoxel(i, k, j) == voxels.id("dirt") && voxels.getVoxel(i, k + 1, j) == 0) { voxels.setVoxel(i, k, j, "grass") } } };
    for (let i = 0; i < 257; i++) { for (let j = 0; j < 257; j++)for (let k = 0; k < 60; k++) { if (voxels.getVoxel(i, k, j) == voxels.id("grass") && voxels.getVoxel(i, k + 1, j) != 0) { voxels.setVoxel(i, k, j, "dirt") } } }
    world.say("完毕");
};
async function color(){
    for (let i = 0; i < 257; i++) {
        for (let j = 0; j < 257; j++) {
            for (let k = 0; k < 60; k++) {
                if (voxels.getVoxel(i, k, j) == 453) {
                    if (voxels.getVoxel(i, k + 1, j) == 0) {
                        if (k > waterLevel) {
                            voxels.setVoxel(i, k, j, "grass");
                            continue;
                        } else if (k == waterLevel) {
                            voxels.setVoxel(i, k, j, "sand");
                            continue;
                        } else {
                            voxels.setVoxel(i, k, j, "dirt");
                        }
                    } else {
                        voxels.setVoxel(i, k, j, "dirt");
                        continue;
                    }
                }
            }
        }
        await sleep(10);
    }
};
(async function () {
    /*生成一堆球 */
    await summon(700);
    /*生成一堆圆柱 */

    world.say("上色中...");
    await color();
    await sleep(100);

    await noiseDestroy(7);/*消除噪点 */

    
})();