Small doc issue

bensawyer · September 9, 2019, 3:36am

On this page it uses code that acts on a “click” action but if you’re trying to learn Defold and use a blank project or a mobile project template the input bindings are set to “Touch” for mouse button1. Only a desktop template (perhaps others) have input binding for mouse = clicked. So the code fails and you’re left trying to figure out the issue.

The page should make note of the need for input bindings to match the msg used to read the input.

britzl · September 9, 2019, 4:46am

Hmm, that’s strange. We did change that a while back:

github.com

defold/examples/blob/master/examples/gui/button/button.gui_script

function init(self)
	msg.post(".", "acquire_input_focus") -- <1>
end

function on_input(self, action_id, action)
	if action_id == hash("touch") and action.pressed then -- <2>
		local button = gui.get_node("button") -- <3>
		local text = gui.get_node("text") -- <4>
		if gui.pick_node(button, action.x, action.y) then -- <5>
			gui.set_text(text, "HELLO!") -- <6>
		else
			gui.set_text(text, "CLICK ME!") -- <7>
		end
	end
end

--[[
1. Tell the engine that this game object wants to receive input.
2. If the user clicks.
3. Get the instance for the node named "button" (the button box).

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Not sure why the example has failed to update. Will look into it. Thanks for reporting!

I changed this so that all template projects use the action “touch” to make them compatible with the examples.