OUYA Pong

build.settings

settings =
{
        orientation =
        {
                default = "landscapeRight"
        },
                
            android =
        {
                versionCode = "1"
        },
    	
		androidPermissions =
		{
			"android.permission.WRITE_EXTERNAL_STORAGE"
		},   
}

config.lua

--/// OUYA - Corona SDK Sample Code - Nexus Game Studio, 2013 ///
--/// www.nexusgamestudio.com | www.twitter.com/NexusGameStudio ///
-------------------------------------------------------------------------------------------------------------------------
--/// Code samples are free to use and modify without permission. ///
--/// Sample code is provided "as is" and takes no responsibility over any software / hardware complications that may occur. ///
--/// Credit is appreciated but is not manditory. Go make awesome games! ///
-------------------------------------------------------------------------------------------------------------------------


--/// Config File Ver 1.0///

application =
{
    content =
    {
        fps = 60,				--Framerate for your game [default = 30 fps].
		antialias = false,		--Turns on / off anti-aliasing for vector based objects [false = off, true = on]. Note that turing it on will use more system resource.
        width = 720,			--Standard height for 720p TV. Do not change this. ***Remember, mobile displays are normally in portrait mode, so we have to reverse width and height.***
        height = 1280,			--Standard width for 720p TV. Do not change this.
        scale = "letterbox",	--Scales all content evenly for 720p or 1080p.
		xAlign = "center",		--Sets the x axis in the center of the screen.
        yAlign = "center",		--Sets the y axis in the center of the screen.
    },							
}								




--/// Notes ///
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--We use 1280x720 since it is the lowest base resolution for HD, because we use "letterbox" scaling, this will format all images evenly to higher resolutions such as 1366x768
--and 1920x1080. Corona requires the config to use the lowest resolution as it's foundation and the engine will do the scaling, setting it too high will make everything small.
--Also note, when designing images, create them for a 1080p display, that way the engine will scale down your images and will remain sharp, instead of blurry / pixelated if you
--designed them at 720p from being upscaled.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

main.lua

--/// OUYA - Corona SDK Sample Code - Nexus Game Studio, 2013 ///
--/// www.nexusgamestudio.com | www.twitter.com/NexusGameStudio ///
-------------------------------------------------------------------------------------------------------------------------
--/// Code samples are free to use and modify without permission. ///
--/// Sample code is provided "as is" and takes no responsibility over any software / hardware complications that may occur. ///
--/// Credit is appreciated but is not manditory. Go make awesome games! ///
-------------------------------------------------------------------------------------------------------------------------


--/// OUYA Pong Ver 1.0 ///

local W = display.contentWidth
local H = display.contentHeight


local physics = require("physics")    			--Call the physics engine
physics.start()									--Initialize physics

physics.setGravity( 0, 0 )						--Gravity by default is on the Y-axis, we disable that and turn off gravity all together

local left = display.newRect(0, 0, 10 , H)			--Create the four boundries
local right = display.newRect(W - 10, 0, W, H)
local top = display.newRect(0, 0, W, 10)
local bottom = display.newRect(0, H - 10, W, 10)


physics.addBody(left, "static", { bounce = 0.1} )		--Add physics bodies to the walls so the ball can bounce off them.
physics.addBody(right, "static", { bounce = 0.1} )
physics.addBody(top, "static", { bounce = 0.1} )
physics.addBody(bottom, "static", { bounce = 0.1} )


local centerCourt = display.newRect(0, 0, 10, H)		--Draws the center court line.
centerCourt.x = W/2


local paddle = display.newRect(0,10,20,100)										--Player paddle.
paddle.x = 30; paddle.y = H/2													--Position the paddle.
physics.addBody(paddle, "static", { friction = 1.0, density=5, bounce=.2})		--Adds a physics body to the paddle.


local ball = display.newRect(50,H/2,50, 50)										--Ball
physics.addBody( ball, { density=1, friction=-1, bounce=1, radius = 30} )		--Adds a physics body to the ball.
ball:setLinearVelocity( 800, yVelocity )										--Instead of physics movement, we set a constant velocity so there are no crazy speed effects.
ball.isFixedRotation = true														--Keeps the boxed shape "ball" from rotating, looks more like classic Pong.


function controlPaddle(e)										--Paddle controls

	if (e.keyName == "up") then									--If the user presses "up" on the Dpad or left analog, the paddle will move up.
		if (e.phase == "down") then
			function moveUp()
				paddle.y = (paddle.y - 20)						--Set the value in which the number of pixels the paddle moves at. To move up, use a negative value.
			end
			
			Runtime:addEventListener("enterFrame", moveUp)
		end
		
		if (e.phase == "up") then
		 Runtime:removeEventListener("enterFrame", moveUp)		--When the player releases the button, it will remove the Runtime listener.
		end
	end
	
	if (e.keyName == "down") then									--If the user presses "down" on the Dpad or left analog, the paddle will move down.
		if (e.phase == "down") then
			function moveDown()
				paddle.y = (paddle.y + 20)							--Set the value in which the number of pixels the paddle moves at. To move down, use a positive value.
			end
			
			Runtime:addEventListener("enterFrame", moveDown)
		end
		
		if (e.phase == "up") then
		 Runtime:removeEventListener("enterFrame", moveDown)		--When the player releases the button, it will remove the Runtime listener.
		end
	end
	
	if (paddle.y < 50) then							--If the paddle goes outside the screen at the top, it will reset back at the boundry.
		paddle.y = 50
	end
	
	if (paddle.y > H - 50) then						--If the paddle goes outside the screen at the bottom, it will reset back at the boundry.
		paddle.y = H-50
	end
	
	if (ball.x < 0) then							--Stops the ball from getting glitched behind the paddle. Just a fail-safe.
		ball.x = 80
	end

end

Runtime:addEventListener("key", controlPaddle)		--Runtime listener for the controller.


--/// Notes /// 
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--This is a 1 player sample of Pong in which the player can bounce the ball around the court. There are no victory conditions, nor scores. A simple demo to show how all the
--sample files work together.
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