所以我有这个模块，它在游戏期间的所有活动都在其中。t.physics我添加了一个碰撞事件侦听器(区分目标是组还是单个对象(。当相关对象检测到碰撞时，另一个对象(event.other(的属性col似乎nil，尽管我最初将其设置为表示t.create颜色的字符串。我只是找不到原因，任何人都可以吗？
感谢您的帮助。问候，尼尔斯
local fence = require("lib.fence")
local physics = require("physics")
local t = {}
local stages = {yellow = 1, lila = 1, red = 1}
local sizes = {1, 3.625, 7.25}
t.colors = {"yellow", "lila", "red"}
t.growing = false
t.setSize = function(fill)
local tHeight = fill.contentHeight * sizes[stages[fill.col]]
local tScale = tHeight / fill.contentHeight
fill.yScale = tScale
end
t.grow = function(group, color, hero)
local counter = 0
stages[color] = stages[color] + 1
for i = 1, group.numChildren, 1 do
if group[i].col == color then
counter = counter + 1
local function newPhysics() t.physics(group) end
if counter == 1 then
local function reset() t.growing = false if stages[color] == 3 then stages[color] = 1; newPhysics(); end end
local function start() t.growing = true end
transition.to(group[i], {time = 260, yScale = sizes[stages[color]], onStart = start, onComplete = reset})
else
transition.to(group[i], {time = 250, yScale = sizes[stages[color]], onStart = start})
end
end
end
end
t.physics = function(target)
if target.numChildren == nil then
physics.removeBody(target)
local function add()
physics.addBody( target, "static", {isSensor = true} )
target.collision = function(self, event)
if event.phase == "began" then
target.count = target.count + 1
if target.count == 1 then
t.grow(target.parent, self.col, event.other)
end
elseif event.phase == "ended" then
target.count = 0
end
end
end
timer.performWithDelay(1, add, 1)
else
for i = 1, target.numChildren, 1 do
physics.removeBody( target[i] )
physics.addBody( target[i], "static", {isSensor = true} )
target[i].name = "fill"
local fill = target[i]
fill.count = 0
fill.collision = function(self, event)
if event.phase == "began" then
self.count = self.count + 1
if self.count == 1 and event.other.x ~= nil then
t.grow(target, self.col, event.other)
end
else
fill.count = 0
end
end
fill:addEventListener("collision")
end
end
end
t.setColor = function(fill)
local colors = {
{238 / 255, 228 / 255, 28 / 255},
{38 / 255, 33 / 255, 77 / 255},
{175 / 255, 24 / 255, 52 / 255},
}
local names = {"yellow", "lila", "red"}
local r = math.random(3)
fill.fill = colors[r]
fill.col = names[r]
end
t.create = function(fences, group, colors)
local fills = {}
for i = 1, #fences, 1 do
local rCol = math.random(3)
local col
if rCol == 1 then
col = colors.yellow
elseif rCol == 2 then
col = colors.lila
else
col = colors.red
end
fills[i] = display.newRect(
group, fences[i].x + fences[i].contentWidth * 0.125, fences[i].y,
fences[i].contentWidth * 0.9, (fences[i].contentHeight * 0.5 / 3)
)
fills[i].dPosX = fills[i].x
fills[i].y = display.contentHeight- fills[i].contentHeight / 2
fills[i].fill = col
fills[i].col = t.colors[rCol]
fills[i].increased = false
end
return fills
end
t.move = function(fills, fences, group)
for i = 1, #fills, 1 do
local fill = fills[i]
function fill:enterFrame()
self:translate(fence.speed, 0)
if t.growing == false then
t.setSize(self)
end
if self.x > display.contentWidth + 0.55 * fences[i].contentWidth then
local xT = {}
for i = 1, group.numChildren, 1 do
xT[i] = group[i].x
end
local function compare(a, b) return a < b end
table.sort(xT, compare)
self.x = xT[1] - fences[i].contentWidth * 0.98
t.setColor(self)
local function newPhysics() t.physics(self) end
timer.performWithDelay( 25, newPhysics, 1 )
self:toBack()
end
end
Runtime:addEventListener("enterFrame", fill)
end
end
return t
已解决。呃，对不起，我忘了在涉及的其他对象(hero(上定义属性，该对象有自己的模块。多么愚蠢的失误。
无论如何，感谢您的回答！
你在这里似乎没有任何动态的身体。 什么与什么碰撞？ 是否涉及碰撞的另一个对象(event.other的值(不是在t.create()中初始化的东西，因此没有col属性？
来自关于碰撞检测的 Corona 文档：
一些体型会 - 或不会 - 与其他体型发生碰撞。在两个物理对象之间的碰撞中，至少其中一个对象必须是动态的，因为这是唯一与任何其他类型碰撞的体型。
另外，在您的fill.collision()中，我认为您希望将event.target作为t.grow()而不是目标的第一个参数传递。 如果您尝试，请更新问题并提供更多信息。