本文介绍了如何使用Lua/Corona SDK创建/使用分层图像?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
假设我想要一个动画笑脸，该笑脸由2层组成:脸部背景+脸部前景.
Suppose I want an animated smiley face composed to 2 layers: the face background + face foreground.
背景层是简单的颜色/纹理.前景层是动画层(动画的微笑，哭泣，大笑等).
The background layer is a simple color/texture.The foreground layer is the animated layer (animated smiling, crying, laughing...etc).
我该如何在Lua中编写这些内容，以使Corona将这些图层视为单个对象/实体?我希望使用一个实体(用于碰撞，动画动作等).
How can i write this up in Lua such that Corona will treat these layers as a single object/entity? I would like a single entity to work with (for collision, animated movements, ...etc).
推荐答案
我会使用 displayGroup .
类似这样的东西:
local smiley = display.newGroup()
local emotion = display.newImage("happy.png")
local background = display.newImage("background.png")
smiley:insert(background)
smiley:insert(emotion)
-- moving smiley will also move background and emotion
-- because they are attached to the smiley displayGroup
smiley.x = 100
smiley.y = 100
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