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Easy way to do multitouch? — Gideros Forum
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    Easy way to do multitouch?

    NinjadoodleNinjadoodle Member
    edited October 2017 in General questions
    Hi guys

    Is there an easy way to enable multitouch in Gideros.

    I need to be able to touch a sprite while a finger is already touching the screen/another sprite.

    Im currently using MOUSE_DOWN.

    I tried looking around but can't find anything relevant to what I'm looking for.

    Thank you for any help :)
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    Comments

    • antixantix Member
      Did you checkout the MultiTouch demo that ships with Gideros?
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    • NinjadoodleNinjadoodle Member
      edited October 2017
      @antix - I can't find it :( Is it called Multitouch? Is it under example projects?
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    • NinjadoodleNinjadoodle Member
      I found one called touch explorer :)

      Is that the one you mean?
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    • hgy29hgy29 Maintainer
      yes, you should use TOUCH_xxx events instead of mouse

      Likes: SinisterSoft

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    • NinjadoodleNinjadoodle Member
      Hi @Hgy29 - Hmmm, I'm attaching my listeners in this way but m not getting anything ...
      Bottle = Core.class(Sprite)
 
function Bottle:init(x, y, image, atlas)
 
	self.sprite = Bitmap.new(atlas:getTextureRegion(image))
	self.sprite:setAnchorPoint(0.5, 1)
	self.sprite:setPosition(x, y)
 
	self:addChild(self.sprite)
	mg:addChild(self)
 
	self:addEventListener(Event.TOUCHES_BEGIN, self.onTouch, self)
 
end
 
function Bottle:onTouch(event)
 
	if self:hitTestPoint(event.touch.x, event.touch.y) then
		self.sprite:setAlpha(0.5)
	end
end
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    • SinisterSoftSinisterSoft Maintainer
      edited October 2017
      The TOUCH_xxx events work, I use them on my latest game without issues.

      What device are you testing it on?
      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • NinjadoodleNinjadoodle Member
      @SinisterSoft - It most likely something I'm doing wrong. It's working when I add listeners to the bottles inside the scene's init function.

      I just can't get it working when I try to setup the listener inside the class itself.

      PS. Galaxy S3 (old lol)
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    • SinisterSoftSinisterSoft Maintainer
      It should work. Maybe post a zip of the code somewhere so someone can take a look for you?
      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • piepie Member
      @Ninjadoodle if this may help, there is a table in touches event named allTouches, where you can find every contemporary touch indexed with its info like this:

      event.allTouches[i]

      I didn't check this, but I believe that event.touch.x and event.touch.y are related only to the first touch and these should be equal to event.allTouches[1].x and event.allTouches[1].y

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    • SinisterSoftSinisterSoft Maintainer
      No, each touch is tracked and given an id, you use this id to monitor movement and the touch ending.
      Coder, video game industry veteran (since the '80s, ❤'s assembler), arrested - never convicted hacker (in the '90s), dad of five, he/him (if that even matters!).
      https://deluxepixel.com
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    • antixantix Member
      @NinjaDoodle, I've mashed up a small example similar to yours but using Bitmaps, not Sprites ;)

      Have a look and you should see how this works.

      Note, it does not handle overlapping items.
      zip
      zip
      Bottlez.zip
      18K
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    • NinjadoodleNinjadoodle Member
      Hi @antix

      Thank heaps for putting together an example, I really appreciate the effort!

      I will have a good look at it and let you know how it goes :)
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