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--[[ |
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Paste in main.lua then call the function with these parameters. |
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If anything doesn't make sense or there is code that could be shortened please comment! |
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And I will be adding sound and making it so everything can just not be used by putting nil. |
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-----FEATURES---- |
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-Scaling when pressed |
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-Scaling size and time are editable |
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-Different Image for when button is pressed |
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-Change scene when button is pressed |
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-Do a different function that you can specify and you can remove the changeScene by just putting nil there |
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-----USAGE------ |
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local button = displayNewButton(group, "image.png", "imageDown.png", 100, 250, true, 0.8, 250, "game", "Play", "Helvetica", 30, customFunction) |
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]] |
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function displayNewButton(group, image, imageDown, x, y, shouldScale, scaleX, timeToScale, sceneToGoTo, text, font, textSize, customFunction) |
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local btnGroup = display.newGroup() |
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group:insert(btnGroup) |
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local newBtn = display.newImage(image, 0, 0 ) |
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btnGroup:insert(newBtn) |
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--newBtn.x = x |
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local overlayBtn |
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local btnText |
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newBtn.alpha = 1 |
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local btnText |
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if text ~= nil then |
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newBtn.text = btnText |
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btnText = display.newText( text, newBtn.x, newBtn.y, font, textSize ) |
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btnText.x, btnText.y = newBtn.x, newBtn.y - 5 |
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btnGroup:insert(btnText) |
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end |
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local function onNewBtnTouch (event) |
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if event.phase == "began" then |
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if shouldScale == true then |
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transition.to(newBtn, {time=timeToScale, xScale = scaleX, yScale = scaleX}) |
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transition.to(btnText, {time=timeToScale, xScale = scaleX, yScale = scaleX}) |
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end |
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if imageDown ~= nil then |
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overlayBtn = display.newImage(btnGroup, imageDown, 0, 0) |
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btnGroup:insert(overlayBtn) |
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btnText:toFront() |
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btnText.alpha = 0.7 |
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end |
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elseif event.phase == "ended" then |
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if customFunction ~= nil then |
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customFunction() |
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end |
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if shouldScale == true then |
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transition.to(newBtn, {time=timeToScale, xScale = 1, yScale = 1, onComplete=function()transition.cancel(newBtn) if sceneToGoTo ~= nil then director:changeScene(sceneToGoTo)end end}) |
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transition.to(btnText, {time=timeToScale, xScale = 1, yScale = 1, onComplete=function()transition.cancel(newBtn) if sceneToGoTo ~= nil then director:changeScene(sceneToGoTo)end end}) |
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elseif shouldScale == false then |
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if sceneToGoTo ~= nil then |
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if overlayBtn then |
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--btnGroup:removeSelf() |
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end |
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director:changeScene(sceneToGoTo) |
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end |
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end |
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end |
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end |
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newBtn:addEventListener("touch", onNewBtnTouch) |
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btnGroup.x = x |
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btnGroup.y = y |
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return btnGroup |
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end |
