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//生成灌木丛
async function make_shrubbery(position, num, lv, tv, pb) {
    var i = 0;
    var list = [
        new Box3Vector3(0, 0, 1),
        new Box3Vector3(0, 0, -1),
        new Box3Vector3(0, 1, 0),
        new Box3Vector3(0, -1, 0),
        new Box3Vector3(1, 0, 0),
        new Box3Vector3(-1, 0, 0)
    ];
    var set_list = [];
    while (i < num) {
        var bool = true;
        for (var j of set_list) {
            if ((
                (j.x == position.x) &&
                (j.y == position.y) &&
                (j.z == position.z)) ||
                pb.includes(voxels.getVoxel(position.x, position.y, position.z)
                )) {
                bool = false;
            }
        }
        if (bool) {
            voxels.setVoxel(position.x, position.y, position.z, tv);
            i += 1;
            set_list.push(position);
            var a = pb;
            a.push(voxels.id(tv))
            if (Math.random() > 0.8) {
                circle(position, Math.ceil(Math.random() * 1.03), lv, a);
            }
            position = position.add(list[Math.floor(Math.random() * 6)]);
        } else {
            if (i >= 2) {
                var a = set_list.length - 2;
                position = set_list[a];
                position = position.add(list[Math.floor(Math.random() * 6)]);
            } else {
                position = position.add(list[Math.floor(Math.random() * 6)]);
            }
        }
        await sleep(1);
    }
}
function circle(pos, r, block, pb) {
    for (let i = pos.x - r; i <= pos.x + r; i++) {
        for (let k = pos.y - r; k <= pos.y + r; k++) {
            for (let j = pos.z - r; j <= pos.z + r; j++) {
                if (!pb.includes(voxels.getVoxel(i, k, j))) {
                    if (new Box3Vector3(i, k, j).distance(pos) <= r) {
                        voxels.setVoxel(i, k, j, block);
                    }
                }
            }
        }
    }
}

参数说明：

position：灌木根的位置

num：灌木长度

lv：灌木叶子方块

tv：灌木杆方块

pb：列表里面的是灌木不会穿透的方块id（不要就弄空值）

 

==========================================下面是拿来炫耀的================================================

稍加点缀，就变成了：

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