Lines of width other than 1 in dx8

ByteMe95 · 2002-04-20T20:31:06

Anyone know a good way to draw a line of various width? I''ve been tryign to figure this out on my own, still pondering how DX8 does not handle that for you. I figure one of 2 possible methods: 1)Draw a quad, not a line, and figure out the points based on the x/y and the width 2) from -width/2 to width/2, draw a line the problem is for 1), how should i figure out the points to use based on x1, y1, x2, y2 and the width and for 2) how do i calc the start/end points of every drawn line?? I ALMOST got it working using 1), but it''s a little off for some lines, works great for diagnoal lines and the endpoints are a bit off for everything else Anyone know which way is better or if there is a better/standard way? ByteMe95::~ByteMe95() My S(h)ite

Graphics and GPU Programming Programming

Started by ByteMe95 April 19, 2002 03:27 PM

12 comments, last by ByteMe95 22 years ago

zoomcrypt

123

April 20, 2002 05:25 AM

cool i like taht! I''m actually working on the exact same typ eof issue but in 3d!! I want to add trails to my missles like in this image. I think i''ll try somethign similar but be constructing 3 sided tubes basically

SkullOne - Hero Interactive

SkullOne - Hero Interactivehttp://www.hero-interactive.com

i8degrees

122

April 20, 2002 05:48 AM

quote:Original post by ByteMe95
I had a long hard chat with some irc people and got the MOST elegant and perfect solution im shocked and amazed, so thanks for the help but I got it

What IRC server and channel did you get the answers from, by the way?

E-mail: i8degrees@cox-internet.com
AIM: i8 degrees

"I am governed by none other than the Laws of the Universe."

CrazedGenius

156

April 20, 2002 09:57 AM

Isn''t that the first method you mentioned in your first post? I thought that''s what you meant when you said "draw a quad".

Author, "Real Time Rendering Tricks and Techniques in DirectX", "Focus on Curves and Surfaces", A third book on advanced lighting and materials

ByteMe95

122

Author

April 20, 2002 08:31 PM

JohnB: I guess the explanation was shorter than I thought

i8degrees: EnterTheGame server (irc.enterthegame.com) room #flipcode

CrazedGenious: Yes I mentioned it as a possibility but didn''t know how to go about it

ByteMe95::~ByteMe95()
My S(h)ite

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Lines of width other than 1 in dx8

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Lines of width other than 1 in dx8

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