Hi i am trying to aply force to ball but it is increasing continuously
Code below…
----------------------------------------------------------------------------------------- -- -- level1.lua -- ----------------------------------------------------------------------------------------- local composer = require( "composer" ) local buttons = require ("modules.buttons") local scene = composer.newScene() -- include Corona's "physics" library local physics = require "physics" physics.start(); physics.pause() --physics.setDrawMode("hybrid") local startText local breakOutObjects = {} local ball local paddle local boundaryTop local boundaryLeft local boundaryRight -------------------------------------------- -- forward declarations and other locals local screenW, screenH, halfW = display.contentWidth, display.contentHeight, display.contentWidth\*0.5 function scene:create( event ) -- Called when the scene's view does not exist. -- -- INSERT code here to initialize the scene -- e.g. add display objects to 'sceneGroup', add touch listeners, etc. local sceneGroup = self.view startText = display.newText("Start", halfW, screenW, native.systemFont, 24) sceneGroup:insert(startText) -- add bricks spawnBricks(sceneGroup) --add paddle print("Paddle y " .. screenH-48) paddle = display.newRoundedRect(halfW, screenH-48, 72, 16, 8, 8) -- paddle = display.newImage("buttons/btn\_teal.png", halfW, screenH) paddle.name = "paddle" physics.addBody(paddle, "static") paddle.strokeWidth = 3 paddle:setFillColor( 0.5 ) paddle:setStrokeColor( 1, 1, 1 ) paddle:addEventListener("touch", paddleMover) sceneGroup:insert(paddle) --create boundary createBoundaryAndAttachListeners(sceneGroup) createBallAndAttachListener(sceneGroup) end function spawnBricks(sceneGroup) local yPos, xPos = 72, 82 for i=1, 12, 1 do --load buttons string from modules local btn = buttons.getButton(math.random(1, 6)) --print("Button path " .. btn) local btnObject = display.newImage(btn, xPos, yPos) btnObject.name = "brick" physics.addBody(btnObject, "static") --print("Btn object position " .. btnObject.x) if(i % 3 == 0) then xPos = 0 yPos = yPos + btnObject.contentHeight + 10 --print("Increased y position to " .. yPos .. " xpos is " .. xPos) end xPos = xPos + btnObject.contentWidth + 10 sceneGroup:insert(btnObject) table.insert(breakOutObjects, btnObject) end end function scene:show( event ) local sceneGroup = self.view local phase = event.phase if phase == "will" then -- Called when the scene is still off screen and is about to move on screen elseif phase == "did" then -- Called when the scene is now on screen -- -- INSERT code here to make the scene come alive -- e.g. start timers, begin animation, play audio, etc. physics.start() end end function scene:hide( event ) local sceneGroup = self.view local phase = event.phase if event.phase == "will" then -- Called when the scene is on screen and is about to move off screen -- -- INSERT code here to pause the scene -- e.g. stop timers, stop animation, unload sounds, etc.) physics.stop() elseif phase == "did" then -- Called when the scene is now off screen end end function scene:destroy( event ) -- Called prior to the removal of scene's "view" (sceneGroup) -- -- INSERT code here to cleanup the scene -- e.g. remove display objects, remove touch listeners, save state, etc. local sceneGroup = self.view package.loaded[physics] = nil physics = nil end --------------------------------------------------------------------------------- -- Listener setup scene:addEventListener( "create", scene ) scene:addEventListener( "show", scene ) scene:addEventListener( "hide", scene ) scene:addEventListener( "destroy", scene ) ballCollision = function(self, event) print("Event ", event.other.name) end ballEnterFrame = function(self, event) --print("Basll yPos " .. self.y) if(self.y \> screenH) then print("Reset ball position") ball.x = halfW ball.y = screenH-72 end end paddleMover = function(event) if(event.phase == "moved") then local xPaddlePos = event.x if(xPaddlePos\< event.target.contentWidth \* 0.5 ) then xPaddlePos= event.target.contentWidth \* 0.5 elseif(xPaddlePos \> screenW -(event.target.contentWidth \* 0.5)) then xPaddlePos = screenW - event.target.contentWidth \* 0.5 end event.target.x = xPaddlePos return true end end function applyForceToBall() ball:applyForce( 1, 1, ball.x, ball.y) end function createBallAndAttachListener(sceneGroup) --print("ball y " .. screenH) ball = display.newImage("ball.png", halfW, paddle.y-paddle.contentHeight) local scaleX, scaleY = 0.5, 0.5 --ball:scale( scaleX, scaleY ) local nw, nh = ball.width\*scaleX\*0.5, ball.height\*scaleY\*0.5; physics.addBody( ball, "dynamic", { friction=0, bounce=1 }); ball.angularVelocity = 0 ball.isFixedRotation = true sceneGroup:insert(ball) applyForceToBall() ball.collision = ballCollision ball.enterFrame = ballEnterFrame ball:addEventListener("collision") Runtime:addEventListener("enterFrame", ball) end function createBoundaryAndAttachListeners(sceneGroup) print("Creating boundary") boundaryTop = display.newRoundedRect(0, 0, screenW\*2, 1, 0) boundaryTop.strokeWidth = 1 boundaryTop:setFillColor( 0.5 ) boundaryTop:setStrokeColor( 1, 1, 1 ) sceneGroup:insert(boundaryTop) boundaryLeft = display.newRoundedRect(0, 0, 1, screenH\*2, 0) boundaryLeft.strokeWidth = 1 boundaryLeft:setFillColor( 0.5 ) boundaryLeft:setStrokeColor( 1, 1, 1 ) sceneGroup:insert(boundaryLeft) boundaryRight = display.newRoundedRect(screenW, 0, 1, screenH\*2, 0) boundaryRight.strokeWidth = 1 boundaryRight:setFillColor( 0.5 ) boundaryRight:setStrokeColor( 1, 1, 1 ) sceneGroup:insert(boundaryRight) end ----------------------------------------------------------------------------------------- return scene
local buttons = {} print("Modules buttons loaded") --table of buttons strings local buttonStrings = {} table.insert(buttonStrings,"buttons/btn\_blue.png") table.insert(buttonStrings,"buttons/btn\_dark\_blue.png") table.insert(buttonStrings,"buttons/btn\_green.png") table.insert(buttonStrings,"buttons/btn\_orange.png") table.insert(buttonStrings,"buttons/btn\_teal.png") table.insert(buttonStrings,"buttons/btn\_yellow.png") function buttons.getButton(index) if(index == 1) then return buttonStrings[1] elseif(index == 2) then return buttonStrings[2] elseif(index == 3) then return buttonStrings[3] elseif(index == 4) then return buttonStrings[4] elseif(index == 5) then return buttonStrings[5] elseif(index == 6) then return buttonStrings[6] end end return buttons