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我正在尝试为我的项目在明年完成的学校项目制作一款RPG风格的游戏。我正在使用Corona SDK，并且我一直在尝试搜索信息一段时间后，发现了一个D-PAD移动代码，我试图应用它，但它并不奏效。D-PAD或游戏杆移动Corona SDK
继承人的movement.lua
-- D-PAD buttons
local buttonUp = display.newImage("images/button.png", 50, 300)
local buttonDown = display.newImage("images/button.png", 50, 375)
local buttonLeft = display.newImage("images/button.png", 50, 375)
local buttonRight = display.newImage("images/button.png", 50, 375)
local buttonLeftUp = display.newImage("images/buttonv2.png", 50, 375)
local buttonRightUp = display.newImage("images/buttonv2.png", 50, 375)
local buttonLeftDown = display.newImage("images/buttonv2.png", 50, 375)
local buttonRightDown = display.newImage("images/buttonv2.png", 50, 375)
local player = display.newImage("images/player.png")
player.width = 100
player.height = 60
player.y = 260
player.x = math.random(45, 175)
physics.addBody(player, "dynamic", {friction=0.5, bounce=0, gravity=0})
print(player.x)
--Objects and properties
buttonUp.x = display.contentWidth/2
buttonUp.y = display.contentHeight - 212
buttonUp.alpha = 0.4
--
buttonDown.x = display.contentWidth/2
buttonDown.y = display.contentHeight - 100
buttonDown.alpha = 0.4
buttonDown.rotation = 180
--
buttonLeft.x = (display.contentWidth/2) - 56
buttonLeft.y = display.contentHeight - 156
buttonLeft.alpha = 0.4
buttonLeft.rotation = -90
--
buttonRight.x = (display.contentWidth/2) + 56
buttonRight.y = display.contentHeight - 156
buttonRight.alpha = 0.4
buttonRight.rotation = 90
--
buttonLeftUp.x = (display.contentWidth/2) + 56
buttonLeftUp.y = display.contentHeight - 100
buttonLeftUp.alpha = 0.4
buttonLeftUp.rotation = 90
--
buttonRightUp.x = (display.contentWidth/2) + 56
buttonRightUp.y = display.contentHeight - 212
buttonRightUp.alpha = 0.4
--
buttonLeftDown.x = (display.contentWidth/2) - 56
buttonLeftDown.y = display.contentHeight - 212
buttonLeftDown.alpha = 0.4
buttonLeftDown.rotation = -90
--
buttonRightDown.x = (display.contentWidth/2) - 56
buttonRightDown.y = display.contentHeight - 100
buttonRightDown.alpha = 0.4
buttonRightDown.rotation = 180
--
--Variables that will be used
local motionx = 0 --X Motion
local motiony = 0 -- Y Motion
local speed = 5 -- Speed
local function stop (event) --Statements to control when there is no
--touch and the touch is outside the D-Pad
if "ended" == event.phase then --Check to see if the touch ended
motionx = 0
motiony = 0
end
--Touch Pos. Checkers
if event.y < (display.contentHeight - 252) then
motionx = 0
motiony = 0
end
if event.y > (display.contentHeight - 70) then
motionx = 0
motiony = 0
end
if event.x > (display.contentWidth - 70) then
motionx = 0
motiony = 0
end
if event.x < 69 then
motionx = 0
motiony = 0
end
end
Runtime:addEventListener("touch", stop) --What activates the stop function
----
local function move (event) -- Moves and updates the Player's movement
--and the speed feedback
player.x = player.x + motionx;
player.y = player.y + motiony;
end
Runtime:addEventListener("enterFrame", move) --Every frame of the program will
--run this function
-----
local function wrap (event) --Function used to keep the player on screen
if player.x < -85 then
player.x = 405
end
----
if player.x > 405 then
player.x = -85
end
-------
if player.y < -88 then
player.y = 568
end
----
if player.y > 568 then
player.y = -88
end
---
if speed < 0 then
speed = 0
end
Runtime:addEventListener("enterFrame", wrap)
-------
--Button Functions to set the motionx and motiony variables
function buttonUp:touch()
motionx = 0
motiony = -speed
end
buttonUp:addEventListener("touch", buttonUp)
------
function buttonDown:touch()
motionx = 0
motiony = speed
end
buttonDown:addEventListener("touch", buttonDown)
------
function buttonLeft:touch()
motionx = -speed
motiony = 0
end
buttonLeft:addEventListener("touch", buttonLeft)
------
function buttonRight:touch()
motionx = speed
motiony = 0
end
buttonRight:addEventListener("touch", buttonRight)
-------
-----
function buttonLeftUp:touch()
motionx = speed
motiony = speed
end
buttonLeftUp:addEventListener("touch", buttonLeftUp)
function buttonRightUp:touch()
motionx = speed
motiony = -speed
end
buttonRightUp:addEventListener("touch", buttonRightUp)
function buttonLeftDown:touch()
motionx = -speed
motiony = -speed
end
buttonLeftDown:addEventListener("touch", buttonLeftDown)
function buttonRightDown:touch()
motionx = -speed
motiony = speed
end
buttonRightDown:addEventListener("touch", buttonRightDown)
end
和继承人的main.lua文件
-----------------------------------------------------------------------------------------
--
-- main.lua
--
-----------------------------------------------------------------------------------------
-- Coding Tutorials
-- http://forums.coronalabs.com/topic/35372-rotation-problem-with-tap-movementrpg-like/
-- http://www.coronalabs.com/blog/2013/01/22/implementing-pinch-zoom-rotate/#comment-25508
-- http://forums.coronalabs.com/topic/35430-movements-in-rpg-game/
-- http://thatssopanda.com/corona-sdk-tutorials/moving-a-character-left-and-right-with-corona-sdk/
-- http://www.williammalone.com/articles/create-html5-canvas-javascript-game-character/images/character-color.png
-- http://www.youtube.com/watch?v=i_n3-ThKrtw
-- Useful information
-- http://www.coronalabs.com/resources/3rd-party-tools-and-services/
-- http://springboardpillow.blogspot.co.uk/2012/04/sample-code.html
-- Sprites
-- http://opengameart.org/content/700-sprites
-- Sprite sheets and Sprite sequences
-- http://www.coronalabs.com/blog/2013/05/14/sprites-and-image-sheets-for-beginners/
-- http://docs.coronalabs.com/api/library/sprite/index.html
-- Code Examples
-- http://mobile.tutsplus.com/tutorials/corona/creating-a-scrolling-background-with-corona-sdk/
-- Movement D-PAD
-- http://developer.coronalabs.com/code/d-pad-demo
-- Collision detection
-- http://developer.coronalabs.com/content/game-edition-collision-detection
-- http://developer.coronalabs.com/code/physics-body-collision-location
-- http://forums.coronalabs.com/topic/32706-get-actual-collision-xy/
-- Physics
-- http://docs.coronalabs.com/api/library/physics/
-- Inventory system
-- http://howto.oz-apps.com/2011/07/inventory-management-system-for-games.html
-- http://forums.coronalabs.com/topic/29697-inventory-system-for-adventure-game/
-----------------------------------------------------------------------------------------
-- Requirements
-- Set Variables
_W = display.contentWidth;
_H = display.contentHeight;
motionx = 0;
speed = 2;
--Collision filters
local playerCollisionFilter = {categoryBits = 1, maskBits = 2}
local objectsCollision = {categoryBits = 2, maskBits = 1 }
-- Start Physics
local physics = require("physics")
physics.start();
physics.setGravity(0,0)
--background
local backgroundimage = display.newImage("images/bg.png")
backgroundimage.x = 175; backgroundimage.y = 180
backgroundimage.x = "center"
require("movement")
function scrollCity(self, event)
if self.x < -429 then
self.x = self.x
self.x = 100
else
self.x = self.x
end
end
backgroundimage.enterFrame = scrollCity
Runtime:addEventListener("enterFrame", backgroundimage)
我唯一的问题是球员的运动，我会提前appericate一些帮助表示感谢。