Line

Type	class (base class : Display)	[gd]
Inheritance	Line ⟶ Display ⟶ Object	[bg]
Overview	Draw line.
See also	Display

Overview

Creates and displays a line on the screen. 

The local origin (anchor point) is at the center of the line.

Line class inherits Display class, therefore all the methods defined in Display class can be used.

Syntax

Line(x1, y1, x2, y2 [, option])

x1, y1, x2, y2 (required) : number

    x-y coordinates of starting point (x1, y1) and end point (x2,y2)

option (optional) : Lua table that contains line width and/or line color

        option = {

                width = n,

                color = ColorObject

        }

Mehtods

method	description	return
obj:setWidth(num)	set line width as num	self
obj:setColor(color)	set line color as Color object color	self
obj:getWidth()	return width of the line	num
obj:getColor()	return color object of the line	color object

Examples

local s = Line(100,200,300,400)

-- set initial line width as 10 local s = Line(100,200,300,400,{width=10})

-- set initial rotational speed as 2 local s = Line(100,200,300,400):setDrot(2)

-- red line with width as 10 local s = Line(10,20,30,40,{width=10,color=Color.RED}) -- remove line after 5 seconds s:removeAfter(5000) -- Change width after 5 seconds s:addTimer(5000, function(self) self:setWidth(5) end)