围墙空气墙

问题根源

1. AABB 矩形碰撞检测 — scripts/小人/导航.lua

lua
-- 角色碰撞体尺寸（格）：脚底占据的地面矩形
-- 半宽 0.5 格（2.5px），半高 0.3 格（1.5px）
local ACTOR_HALF_W = 0.5
local ACTOR_HALF_H = 0.3

-- 边界：格 gx 占据连续空间 [gx, gx+1)，上界用 < 不用 <=
local function InBounds(x, y)
    return x >= 0 and y >= 0
        and x < (MapData.data.width or 240)
        and y < (MapData.data.height or 160)
end

-- AABB 矩形碰撞：检测以(cx,cy)为中心、半宽halfW、半高halfH的矩形
-- 是否与任何墙格重叠或越界
local function IsRectBlocked(cx, cy, halfW, halfH, blocked)
    local minGX = math.floor(cx - halfW)
    local maxGX = math.floor(cx + halfW - 1e-6)
    local minGY = math.floor(cy - halfH)
    local maxGY = math.floor(cy + halfH - 1e-6)
    for gx = minGX, maxGX do
        for gy = minGY, maxGY do
            if not InBounds(gx, gy) or blocked[CellKey(gx, gy)] then
                return true
            end
        end
    end
    return false
end

-- 逐帧碰撞：用 AABB 替代单点 Round
function Navigation.CanMove(x, y, dx, dy, step, profession)
    local blocked = BuildBlockedCells(profession or {})
    local nx = x + dx * step
    local ny = y + dy * step
    if IsRectBlocked(nx, ny, ACTOR_HALF_W, ACTOR_HALF_H, blocked) then
        return false, x, y   -- 被阻挡，返回原位置
    end
    return true, nx, ny
end

2. 围墙空气墙（不可见碰撞缓冲）— scripts/数据/地图/校园主地图.lua

lua
local function GetFreeWallSegments(wall)
    local style = wall.style or "普通墙"
    -- 围墙/栅栏：碰撞占2格宽（视觉1格 + 内侧1格空气墙）
    -- 普通墙/破损墙：1格
    local thick = (style == "围墙" or style == "栅栏") and 2 or 1

    -- 竖段：w=thick 向校园内侧延伸
    for dy = 0, (y1 - y0) do
        result[#result + 1] = {
            x = x0, y = y0 + dy,
            w = thick, h = 1,    -- 围墙w=2，普通墙w=1
            style = style,
            -- ...其他字段
        }
    end
    -- 横段：h=thick 同理
end

3. 围墙逐格 Y-sorting 渲染 — scripts/页面/校园地图.lua

lua
-- 逐格拆分+borderRadius=0（防圆点），每格zIndex=CharZ(y)
local function CreateFreeWallView(wall)
    local style = wall.style or "普通墙"
    local color = style == "围墙" and {110,88,60,255} or ...
    local visualPx = 5   -- 只渲染1格(5px)可见，空气墙不渲染

    for gy = y0, y1 do
        segments[#segments + 1] = UI.Panel {
            position = "absolute",
            left = x0 * 5, top = gy * 5,
            width = visualPx, height = 5,   -- 只画5px，不是thick*5
            backgroundColor = color,
            borderWidth = 0,
            borderRadius = 0,               -- 关键：防圆角变圆点
            pointerEvents = "none",
            zIndex = CharZ(gy),             -- 逐格Y排序
        }
    end
    return segments
end

-- 调用处展开逐段数组
for i = 1, #(data.walls or {}) do
    local wallSegments = CreateFreeWallView(data.walls[i])
    for j = 1, #wallSegments do
        campusChildren[#campusChildren + 1] = wallSegments[j]
    end
end

4. 贴墙滑行（主角操控，不变）— scripts/系统/主角操控服务.lua

lua
local canMove, nx, ny = Navigation.CanMove(spatial.x, spatial.y, dx, dy, step, profile)
if not canMove then
    -- 斜向撞墙时尝试单轴滑行
    local slideX = math.abs(dx) > 0.01 and Navigation.CanMove(spatial.x, spatial.y, dx, 0, step, profile)
    local slideY = math.abs(dy) > 0.01 and Navigation.CanMove(spatial.x, spatial.y, 0, dy, step, profile)
    if slideX then
        nx, ny = spatial.x + dx * step, spatial.y
    elseif slideY then
        nx, ny = spatial.x, spatial.y + dy * step
    else
        return false   -- 两轴都挡，完全不动
    end
end

关键参数对照表