ImGui.DrawList:addLine

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Available since: Gideros 2020.9
Class: ImGui.DrawList

Description

Adds a line to an ImGui draw list.

ImGui.DrawList:addLine(p1, p2, color, [alpha=1, thickness=1])

Parameters

p1: (number) the x and y coordinate of the line starting position
p2: (number) the x and y coordinate of the line ending position
color: (number) the color in hexadecimal value
alpha: (number) the alpha value
thickness: (number) the line thickness value

Example

require "ImGui"

local imgui = ImGui.new()
stage:addChild(imgui)

local window01 = true

function onEnterFrame(e)
	-- 1 we start ImGui
	imgui:newFrame(e)
	-- 2 the main window
	if window01 then -- if window exists
		local windowdrawn = false
		window01, windowdrawn = imgui:beginWindow(
			"Hello Dear ImGui", -- window title
			window01 -- is window expanded
		)
		if (windowdrawn) then -- the variable is false when main window is collapsed
			imgui:text("Hello X Dear ImGui!") -- we add some element to our GUI
			imgui:textColored("Hello, Y Dear ImGui!", 0xff00ff, 1) -- we add some element to our GUI
			local drawlist = imgui:getWindowDrawList()
			drawlist:addLine(32, 32, 256, 256, 0x00ff00, 1, 16)
		end
		imgui:endWindow()
	end
	-- 3 we end the frame and render to screen
	imgui:endFrame()
	imgui:render()
end

stage:addEventListener(Event.ENTER_FRAME, onEnterFrame)