DxDrawLine - Revision history

Tails: /* Example */

2025-03-28T14:00:11Z

Example

← Older revision		Revision as of 14:00, 28 March 2025
Line 37:		Line 37:
	This example draws a couple of circles		This example draws a couple of circles
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	function drawCircle( x,y, radius, color )		function drawCircle(x,y, radius, color)
	local numPoints = math.floor( math.pow( radius, 0.4 ) * 5 ) -- Calculate number of points to make it look good		local numPoints = math.floor(math.pow(radius, 0.4) * 5) -- Calculate number of points to make it look good
	local step = math.pi * 2 / numPoints		local step = math.pi * 2 / numPoints
	local sx,sy		local sx,sy
	for p=0,numPoints do		for p=0,numPoints do
	local ex = math.cos ( p * step ) * radius		local ex = math.cos(p * step) * radius
	local ey = math.sin ( p * step ) * radius		local ey = math.sin(p * step) * radius
	if sx then		if sx then
	dxDrawLine( x+sx, y+sy, x+ex, y+ey, color )		dxDrawLine(x+sx, y+sy, x+ex, y+ey, color)
	end		end
	sx,sy = ex,ey		sx,sy = ex,ey
Line 51:		Line 51:
	end		end

	addEventHandler( "onClientRender", root,		addEventHandler("onClientRender", root, function()
	function()		drawCircle(350, 350, 10, tocolor(255,0,255))
	drawCircle( 350, 350, 10, tocolor(255,0,255) )		drawCircle(350, 350, 50, tocolor(255,0,255))
	drawCircle( 350, 350, 50, tocolor(255,0,255) )		end)
	end
	)
	</syntaxhighlight>		</syntaxhighlight>

	==See Also==		==See Also==
	{{Drawing_functions}}		{{Drawing_functions}}

	[[hu:dxDrawLine]]		[[hu:dxDrawLine]]

2022-04-08T01:00:18Z

lua boi

← Older revision		Revision as of 01:00, 8 April 2022
Line 53:		Line 53:
	addEventHandler( "onClientRender", root,		addEventHandler( "onClientRender", root,
	function()		function()
	drawCircle( 350, 350, 10, tocolor(255,0,255) );		drawCircle( 350, 350, 10, tocolor(255,0,255) )
	drawCircle( 350, 350, 50, tocolor(255,0,255) );		drawCircle( 350, 350, 50, tocolor(255,0,255) )
	end		end
	)		)

2018-10-23T13:09:49Z

2018-07-08T15:35:57Z

Syntax

← Older revision		Revision as of 15:35, 8 July 2018
Line 5:		Line 5:
	==Syntax==		==Syntax==
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	bool dxDrawLine ( int startX, int startY, int endX, int endY, int color, [float width=1, bool postGUI=false] )		bool dxDrawLine ( int startX, int startY, int endX, int endY, int color [, float width = 1.0, bool postGUI = false ] )
	</syntaxhighlight>		</syntaxhighlight>

2014-09-27T12:18:59Z

removed unnecessary sections (not needed because function is only clientside)

← Older revision		Revision as of 12:18, 27 September 2014
Line 24:		Line 24:

	==Example==		==Example==
	~~<section name="Client" class="client" show="true">~~
	This example draws an 'X' across the screen.		This example draws an 'X' across the screen.
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
Line 35:		Line 34:
	addEventHandler("onClientRender", root, drawLinesAcrossScreen)		addEventHandler("onClientRender", root, drawLinesAcrossScreen)
	</syntaxhighlight>		</syntaxhighlight>
	~~</section>~~

	~~<section name="Client" class="client" show="true">~~
	This example draws a couple of circles		This example draws a couple of circles
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
Line 61:		Line 58:
	)		)
	</syntaxhighlight>		</syntaxhighlight>
	~~</section>~~
	==See Also==		==See Also==
	{{Drawing_functions}}		{{Drawing_functions}}

2012-03-24T21:57:03Z

@@ Line 37: / Line 37: @@
 </section>
 ==See Also==
 {{Drawing_functions}}

2012-01-22T04:32:16Z

Changed the example entirely, because I fail at editing.

← Older revision		Revision as of 04:32, 22 January 2012
Line 25:		Line 25:
	==Example==		==Example==
	<section name="Client" class="client" show="true">		<section name="Client" class="client" show="true">
	~~Example code for drawing crosshair for Tank~~.		This example draws an 'X' across the screen.
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	local ~~width~~, ~~height~~ = guiGetScreenSize ( ) ~~-- Get player's screen resolution (width and height).~~		local screenWidth, screenHeight = guiGetScreenSize()
	~~local centerX, centerY = ( width / 2 ), ( height / 2 ) -- Get x and y co-ordinates of the center of the screen.~~		local lineColor = tocolor(255, 0, 0)
	local ~~colGreen~~ = tocolor ( 0, 255, 0, ~~255~~ ) ~~-- Get green color.~~		function drawLinesAcrossScreen()
			dxDrawLine(0, 0, screenWidth, screenHeight, lineColor)
	function ~~draw2DLine~~( )		dxDrawLine(screenWidth, 0, 0, screenHeight, lineColor)
	dxDrawLine ( ~~centerX~~, ~~centerY - 200~~, ~~centerX~~, ~~centerY - 170~~, ~~colGreen, 1~~ ) ~~-- Draw vertical crosshair line~~		end
	dxDrawLine ( ~~centerY - 20~~, ~~centerY - 185~~, ~~centerX + 20, centerY - 185~~, ~~colGreen~~, 1 ) ~~-- Draw horizontal crosshair line~~		addEventHandler("onClientRender", root, drawLinesAcrossScreen)
	end
	addEventHandler ( "onClientRender", ~~resourceRoot~~, ~~draw2DLine~~)
	</syntaxhighlight>		</syntaxhighlight>
	</section>		</section>

2012-01-22T04:25:43Z

← Older revision		Revision as of 04:25, 22 January 2012
Line 35:		Line 35:
	dxDrawLine ( centerY - 20, centerY - 185, centerX + 20, centerY - 185, colGreen, 1 ) -- Draw horizontal crosshair line		dxDrawLine ( centerY - 20, centerY - 185, centerX + 20, centerY - 185, colGreen, 1 ) -- Draw horizontal crosshair line
	end		end
	addEventHandler ( "~~onClientResourceStart~~", resourceRoot, draw2DLine)		addEventHandler ( "onClientRender", resourceRoot, draw2DLine)
	</syntaxhighlight>		</syntaxhighlight>
	</section>		</section>

2012-01-22T04:25:29Z

Cleaned the example up a bit.

← Older revision		Revision as of 04:25, 22 January 2012
Line 31:		Line 31:
	local colGreen = tocolor ( 0, 255, 0, 255 ) -- Get green color.		local colGreen = tocolor ( 0, 255, 0, 255 ) -- Get green color.

	function ~~create2DLine~~ ( )		function draw2DLine( )
	dxDrawLine ( centerX, centerY - 200, centerX, centerY - 170, colGreen, 1 ) -- Draw vertical crosshair line		dxDrawLine ( centerX, centerY - 200, centerX, centerY - 170, colGreen, 1 ) -- Draw vertical crosshair line
	dxDrawLine ( centerY - 20, centerY - 185, centerX + 20, centerY - 185, colGreen, 1 ) -- Draw horizontal crosshair line		dxDrawLine ( centerY - 20, centerY - 185, centerX + 20, centerY - 185, colGreen, 1 ) -- Draw horizontal crosshair line
	end		end
			addEventHandler ( "onClientResourceStart", resourceRoot, draw2DLine)

	~~function HandleTheRendering ( )~~
	~~addEventHandler ( "onClientRender", root, create2DLine) -- Keep the line visible with onClientRender event.~~
	~~end~~

	addEventHandler ( "onClientResourceStart", resourceRoot, ~~HandleTheRendering~~ )
	</syntaxhighlight>		</syntaxhighlight>
	</section>		</section>

2011-12-26T19:29:07Z

Example

← Older revision		Revision as of 19:29, 26 December 2011
Line 28:		Line 28:
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	local width, height = guiGetScreenSize ( ) -- Get player's screen resolution (width and height).		local width, height = guiGetScreenSize ( ) -- Get player's screen resolution (width and height).
	local centerX, centerY = ( x / 2 ), ( y / 2 ) -- Get x and y co-ordinates of the center of the screen.		local centerX, centerY = ( width / 2 ), ( height / 2 ) -- Get x and y co-ordinates of the center of the screen.
	local colGreen = tocolor ( 0, 255, 0, 255 ) -- Get green color.		local colGreen = tocolor ( 0, 255, 0, 255 ) -- Get green color.