javascript - 如何根据填充数组动态填充值数组？

Question

我已经研究这个问题有一段时间了，所以我决定从 nodejs 转向 jsfiddle，看看你们是否可以提供一些启发。

代码如下:

 inventory = [ // 50 Slot inventory 10 HORIZONTAL / 5 SLOTS VERTICAL
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 ]
 items = {
    "1": {
        name: "Short Sword",
        slot_position: 5,
        slot_size: [1, 3]
    },
    "2": {
        name: "Heavy Leather Boots",
        slot_position: 1,
        slot_size: [2, 2]
    },
    "3": {
        name: "Potion 1",
        slot_position: 26,
        slot_size: [1, 1]
    }
 }

 for (i in items) {
    inventory[items[i].slot_position] = 1; // Fill in the used inventory slots to 1 (The easy part)

    if (items[i].slot_size) {
        if (items[i].slot_size[0] > 1) {
            /*
            The X slot_size has to be greater than '1' because we already filled in their current positon.
            Now I need to fill in the inventory slots based on their item_slot_size [X,Y] values... (I'm              stuck here)
            */



        }
    }


 }

 console.log(inventory);
 console.log(inventory.length); // 50 is correct.

还有 jsfiddle:http://jsfiddle.net/68w1w0s8/8/

在第 42 行，我被困在这里，因为我需要根据商品 slot_size 尺寸将库存中的插槽动态填充到 1。

例如，短剑的 slot_size 为 [1,3](向下 3 个方 block )，那么我如何在我的 库存中动态填写适当的值 数组？

如何使用我的 slot_size 数组的示例最好通过我的图表来查看:

Answer 1

首先，您的库存应该是一个矩阵(集合的集合)

 inventory = [ // 50 Slot inventory 10 HORIZONTAL / 5 SLOTS VERTICAL (HARDCODE) 
    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
 ]

然后您可以使用您的插槽大小进行迭代。此外，插槽位置应存储在坐标中:

 items = {
    "1": {
        name: "Short Sword",
        slot_position: [5,0],
        slot_size: [1, 3]
    },
    "2": {
        name: "Heavy Leather Boots",
        slot_position: [1,0],
        slot_size: [2, 2]
    },
    "3": {
        name: "Potion 1",
        slot_position: [6,2],
        slot_size: [1, 1]
    }
 }

 for (i in items) {
    var item = items[i];
    if (item.slot_size) {
            for (var x = 0; x < item.slot_size[0]; x++) {
                for (y = 0; y < item.slot_size[1]; y++) { 
                     inventory[y+item.slot_position[1]][x+item.slot_position[0]] = item;               
            }
        }
    }
 }

JSfiddle