Search found 84 matches
- Mar 03, 2006 18:32
- Forum: Beginners
- Topic: Line distance from ray/plane
- Replies: 10
- Views: 3661
- Feb 25, 2006 21:21
- Forum: Beginners
- Topic: Line distance from ray/plane
- Replies: 10
- Views: 3661
I am trying to write OpenGL based doom/build like renderer. There is polymost source on ken silverman's site but I don't understand it. Better said i know to describe by words how it works butnot mathematically,plus there is flaw in that thing that you are not able to look straight up or down in tha...
- Feb 13, 2006 9:32
- Forum: Beginners
- Topic: Line distance from ray/plane
- Replies: 10
- Views: 3661
- Feb 03, 2006 14:28
- Forum: Beginners
- Topic: Line distance from ray/plane
- Replies: 10
- Views: 3661
Line distance from ray/plane
Hi I need help with 2D function which takes ray as direction vector (2 floats in a type) and segment (defined as two vectors) and returns >0 when segment is behind the line (negative normal) 0 when it croses line and >0 when it is in fron of line. Or something like that, can any math geek here help ...
- Feb 01, 2006 18:31
- Forum: Windows
- Topic: GfxLIB buffer to windows bitmap
- Replies: 1
- Views: 1380
GfxLIB buffer to windows bitmap
Hi I would like to ask whether it is possible to draw with integrated gfxlib into invisible buffer using fb drawing commands and then to blit this buffer into the win32 window?
- Jan 23, 2006 20:09
- Forum: General
- Topic: Making Icons?
- Replies: 15
- Views: 4999
- Jan 03, 2006 13:43
- Forum: General
- Topic: Basic 2D math tutorial
- Replies: 2
- Views: 1785
About convex hull, like how to construct ones, how to slice them by line, how to collide them, sweep them. Maybe even tute how to split heavy complex polygon with holes into convex parts would be cool. I know that in libraries there are books like that but, first the math equations in such books sim...
- Jan 03, 2006 11:02
- Forum: General
- Topic: Basic 2D math tutorial
- Replies: 2
- Views: 1785
Basic 2D math tutorial
Is there somewhere some good comprehensible resource about 2D math, like getting normal from the line, constructing bounding rectangles, convex hull, distance of point from line, angle calculation etc...?
- Dec 28, 2005 11:46
- Forum: DOS
- Topic: Large DOS Programs
- Replies: 29
- Views: 12990
- Dec 25, 2005 23:53
- Forum: General
- Topic: OOP: If not now, when?
- Replies: 44
- Views: 11092
- Dec 24, 2005 11:40
- Forum: General
- Topic: OOP: If not now, when?
- Replies: 44
- Views: 11092
- Dec 21, 2005 9:16
- Forum: DOS
- Topic: Large DOS Programs
- Replies: 29
- Views: 12990
Re: UNREAL mode
OK. There IS an unreal mode (A BUG of the CPU ???). I can use some 32 bit instructions in the real mode and use the unreal one to access all (??? up to 4 GB ?) memory. But the executable remains limited to the conventinal memory (<cca 500 KB) and affected by the 64 KB BUG. Nevertheless: FreeBASIC D...
- Dec 16, 2005 8:49
- Forum: General
- Topic: OOP: If not now, when?
- Replies: 44
- Views: 11092
- Dec 15, 2005 11:06
- Forum: General
- Topic: OOP: If not now, when?
- Replies: 44
- Views: 11092
- Dec 14, 2005 12:42
- Forum: General
- Topic: OOP: If not now, when?
- Replies: 44
- Views: 11092