[Hiring] Need help setting up my cursor

misterduke · March 14, 2021, 1:25pm

Hello! I’m looking for help with setting up the cursor for my game. I’ve tried my best to solve this myself, but the instructions are over my head. I made a post here describing my problem: Medieval themed 2D strategy game

I want to have the cursor and controller align when using a fixed projection with zoom. This is an important part of the game and I want it done right. I do not want to rely on an asset like Rendercam or Orthographic Camera because I want to keep my code minimal.

Is there anyone available who can help with this? You can send me a message if you think you can get this working, thanks.

misterduke · March 14, 2021, 4:04pm

Here’s the game project if you want to take a look at what I’ve done so far.

kingdoms and armies.zip (1.6 MB)

Pkeod · March 14, 2021, 5:04pm

What you need is screen to world / screen to GUI functions.

You can still reference their code to understand how this can be done with what you have now.

github.com

rgrams/rendercam/blob/master/rendercam/rendercam.lua#L345


	if delta then
		x = x / M.viewport.scale.x
		y = y / M.viewport.scale.y
	else
		x = (x - M.viewport.x) / M.viewport.scale.x
		y = (y - M.viewport.y) / M.viewport.scale.y
	end
	return x, y
end


function M.screen_to_world_2d(x, y, delta, worldz, raw)
	worldz = worldz or curCam.worldZ


	if curCam.fixedAspectRatio then
		x, y = M.screen_to_viewport(x, y, delta)
	end


	local m = not delta and vmath.inv(M.proj * M.view) or vmath.inv(M.proj)


	-- Remap coordinates to range -1 to 1
	x1 = (x - M.window.x * 0.5) / M.window.x * 2

misterduke · March 14, 2021, 6:17pm

Thank you. Trying this out.