Messages

1

General discussions / Naming conventions - functions

« on: July 13, 2011, 03:35:49 pm »

When I started SFML, I found that having capitals for the first letter of every word very clear and elegant. However, I now almost always use SFML/OPENGL/STL/Boost and I always get confused when my compiler refuses myvector.Clear() or GlBegin() or sleep(1) or ...

I would prefer it if SFML followed the boost/STL convention since we always use at least the STL (and the STL convention won't change).

2

Feature requests / ExtendedImage - Support for unsupported texture sizes in RAM

« on: June 20, 2011, 06:42:02 pm »

One of my project is a solution (for sfml 1.6) to this problem.
However, youll have to install the soil library.
Here is the link : link

3

SFML wiki / [tutorials] Cursor

« on: November 08, 2010, 07:41:01 pm »

No remarks ?

4

General / Line in box collision

« on: November 08, 2010, 06:22:09 pm »

An AABB box can have scale/rotation/translations thanks to opengl matrices. Just use transform to local

To find the equation, just use the determinant. Call u the vector defined by the two known points. Call A one of the known points. M of coordinate x,y is on the line if and only if the vector AM and u are colinear. Now, just use the determinant to get the equation. The determinant must be equal to 0.
Means that xy' - x'y = 0
<=> (x-A.x)*(B.y-A.y)-(B.x-A.x)*(y-A.y)=0
<=>(B.y-A.y)x+(A.x-B.x)y=A.xB.y-B.xA.y

5

General / Line in box collision

« on: November 07, 2010, 10:49:01 pm »

Ax + by = c means that when b = 0, the line is vertical.
As for the length of my messages, i'm writting with my phone which isn't so convenient
A AABB box means axis aligned box and thus has very convenient line equations.

If i remember well, ax + by = c is the cartesian equation. The ax + b = c is in french called "équation réduite"

6

General / Line in box collision

« on: November 07, 2010, 08:07:44 pm »

Because ax+c doesn't deal with vertical lines !
Furthermore, once the rectangle is an AABB box, it's even simpler !
Equation of one of the sides becomes x=bottom or top or y=left or right

7

General / Line in box collision

« on: November 07, 2010, 05:40:53 pm »

Isnt a line equation more like ax + by = c ?
The easiest is to transform the line in the rectangle's coordinate system. Then, your rectangle is an AABB box. Easy isn't it ?

8

Feature requests / parameter for nbSegments in Circle()

« on: November 03, 2010, 10:39:17 pm »

That's exactly what I mean...

9

Feature requests / parameter for nbSegments in Circle()

« on: November 03, 2010, 09:41:58 pm »

I think having a default parameter equal to 40 is good. However, I think the user should be able to decide how many he wants : what if you make a game and you set the number of sides depending on the FPS of the game : you put it to high/low quality. This lets you create a game that will work (but look ugly) on poor computers and the same game that will also work (and look great) on a good computer.

10

General / Correct mouse co-ordinates from SFML and using OpenGL

« on: November 03, 2010, 09:25:15 am »

Shouldn't you be using convertcoords ?

11

SFML wiki / [tutorials] Cursor

« on: November 01, 2010, 01:07:48 pm »

Done, didn't see there was that option. Thanks. Still need someone to check if there are no errors for linux.

12

SFML wiki / [tutorials] Cursor

« on: November 01, 2010, 11:34:30 am »

Done...

13

SFML wiki / [tutorials] Cursor

« on: November 01, 2010, 11:19:35 am »

Hi, I've written a Cursor class, however there seem to be a problem with SFML's wiki :

The first part is in a whole block even when I make a new line. Why ? Can someone Edit that ?

I've tested the functions on linux, however, I didn't test the whole program (I haven't got linux). Would someone mind testing it ?

If anyone wants to make remarks (const correctness for example), ... do it.

Please tell me if there are any english mistakes (I'm not english).

The link is here.

14

Feature requests / Window improvement

« on: October 31, 2010, 10:20:48 am »

Ok, so I might want to modify SFML's sources if a want to make it simple and quick...
Even if is doesn't follow SFML's philosophy completely, why not propose such a function ? As I say, adding one functin won't make a mess of the public API and would be usefull.

15

Feature requests / Window improvement

« on: October 31, 2010, 10:13:25 am »

Is there a reason not to implement it ?