Corona - 从精灵表创建常规显示对象？

发布于 2024-10-31 23:11:43 字数 292 浏览 1 评论 0原文

这是显示图像的正常方式：

local img = display.newImage("image.png");

但是将所有图像放在一个大图像中并从 Zwoptex 导出不是可以节省内存吗？有关于从精灵表创建动画精灵的文档，但是如果只从精灵表中提取单个图像呢？

local zwoptexData = require "sheet1"
local data = zwoptexData.getSpriteSheetData()
//then what?

原文

This is normal way of displaying an image:

local img = display.newImage("image.png");

But doesn't it save memory to put all your images in one large image and export from Zwoptex? There is documentation for creating animated sprites from sprite sheets, but what about just pulling a single image from a sprite sheet?

local zwoptexData = require "sheet1"
local data = zwoptexData.getSpriteSheetData()
//then what?

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提赋 2024-11-07 23:11:43

从平铺表制作静态图像的命令如下所示：

local tileSheet = sprite.newSpriteSheet("tiles.png", 64, 64)
local tileSet = sprite.newSpriteSet(tileSheet, 1, 10)
local tile = sprite.newSprite(tileSet)
tile.currentFrame = 5

假设工作表上的所有平铺都是 64x64，但您可以轻松地调整这些命令以使用精灵表数据。需要注意的重要事项是 newSprite() 和 .currentFrame

编辑：您评论说您无法弄清楚如何使用精灵数据，因此修改后的代码是

local data = require("tiles.lua")
local tileSheet = sprite.newSpriteSheetFromData("tiles.png", data.getSpriteSheetData())
local tileSet = sprite.newSpriteSet(tileSheet, 1, 3)
local tile = sprite.newSprite(tileSet)
tile.currentFrame = 2

要了解其工作原理，请参阅
http://developer.anscamobile.com/reference/sprite-sheets

The commands to make a static image from a tile sheet look like this:

local tileSheet = sprite.newSpriteSheet("tiles.png", 64, 64)
local tileSet = sprite.newSpriteSet(tileSheet, 1, 10)
local tile = sprite.newSprite(tileSet)
tile.currentFrame = 5

That assumes all the tiles on the sheet are 64x64 but you could easily adapt those commands to use your sprite sheet data. The important things to note are newSprite() and .currentFrame

EDIT: You commented that you can't figure out how to use sprite data with this, so the modified code is

local data = require("tiles.lua")
local tileSheet = sprite.newSpriteSheetFromData("tiles.png", data.getSpriteSheetData())
local tileSet = sprite.newSpriteSet(tileSheet, 1, 3)
local tile = sprite.newSprite(tileSet)
tile.currentFrame = 2

To learn how this works refer to
http://developer.anscamobile.com/reference/sprite-sheets

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