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Topics - AngelHoof

Pages: [1]
Graphics / Simulating Window-Border Collision!
« on: August 05, 2011, 09:02:20 pm »

Got this tiny 'lil problem now... I'm trying to keep my moving sprite from going outside the window borders, currently using:

Code: [Select]

float KeyMove = 0.10f;

sf::FloatRect BorderColl(0, 0, 800, 600);
sf::Vector2f BlobPosition = Blob.GetPosition();
bool CheckBorderColl = BorderColl.Contains(BlobPosition);
if (CheckBorderColl == 1);
if (ShiftKeyDown)
KeyMove = 0.3f;

if (LeftKeyDown)
Blob.Move(-KeyMove, 0);
if (RightKeyDown)
Blob.Move(KeyMove, 0);
if (UpKeyDown)
Blob.Move(0, -KeyMove);
if (DownKeyDown)
Blob.Move(0, KeyMove);
if (GKeyDown)
if (HKeyDown)



I originally had it as
Code: [Select]
while (CheckBorderColl)

but that froze the program as soon as it executed... Umm, am I using the wrong functions for checking this, any ideas?

Graphics / Simulating character movement - How do? [SOLVED]
« on: July 21, 2011, 05:10:18 pm »

So, I've managed to get together a blob that moves around the screen with the WASD keys, by this code:

Code: [Select]

const sf::Input& Input = Win.GetInput();
bool LeftKeyDown = Input.IsKeyDown(sf::Key::A);
bool RightKeyDown = Input.IsKeyDown(sf::Key::D);
bool UpKeyDown = Input.IsKeyDown(sf::Key::W);
bool DownKeyDown = Input.IsKeyDown(sf::Key::S);

And then later down the switch (Event.Type) this:
(Head is the sprite I want to control movement with)
Code: [Select]

case sf::Event::KeyPressed:
if (UpKeyDown)
Head.Move(0, -10);
if (DownKeyDown)
Head.Move(0, 10);
if (RightKeyDown)
Head.Move(10, 0);
if (LeftKeyDown)
Head.Move(-10, 0);

Now, this works to a degree, using the sf::Input i can press up and right  at the same time and it'll go diagonal. (Whereas i just had KeyPressed before)

However, upon pressing for example W (to go up) it moves one step (10 pixels) then stops for about half a second, then continues relatively smooth.

I guess I should use the clock somehow and decrease the Move to maybe 1 pixel per 0.1 seconds or something, so that I can get the smooth movement I want.

Just not sure how to go about this, any ideas?

Also, sorry if this is in the wrong section.

General / Visual Studio 2010 Express Problems [SOLVED]
« on: June 29, 2011, 01:48:20 pm »

So, once again I've attempted to get SFML to work, with no real success.

I run this code:

Code: [Select]
#include <SFML/Graphics.hpp>

int main()
    // Create the main rendering window
    sf::RenderWindow App(sf::VideoMode(800, 600, 32), "SFML Graphics");
    // Start game loop
    while (App.IsOpened())
        // Process events
        sf::Event Event;
        while (App.GetEvent(Event))
            // Close window : exit
            if (Event.Type == sf::Event::Closed)

        // Clear the screen (fill it with black color)

        // Display window contents on screen

    return EXIT_SUCCESS;

And get this in my output:
Code: [Select]
1>------ Build started: Project: SFMLFixThisShit, Configuration: Release Win32 ------
1>SFMLFixThisShit.obj : error LNK2001: unresolved external symbol "public: void __thiscall sf::Window::Display(void)" (?Display@Window@sf@@QAEXXZ)
1>SFMLFixThisShit.obj : error LNK2001: unresolved external symbol "public: bool __thiscall sf::Window::GetEvent(class sf::Event &)" (?GetEvent@Window@sf@@QAE_NAAVEvent@2@@Z)
1>SFMLFixThisShit.obj : error LNK2001: unresolved external symbol "public: bool __thiscall sf::Window::IsOpened(void)const " (?IsOpened@Window@sf@@QBE_NXZ)
1>SFMLFixThisShit.obj : error LNK2001: unresolved external symbol "public: void __thiscall sf::Window::Close(void)" (?Close@Window@sf@@QAEXXZ)
1>SFMLFixThisShit.obj : error LNK2001: unresolved external symbol "public: __thiscall sf::VideoMode::VideoMode(unsigned int,unsigned int,unsigned int)" (??0VideoMode@sf@@QAE@III@Z)
1>C:\Users\Ante\Documents\Visual Studio 2010\Projects\SFMLFixThisShit\Release\SFMLFixThisShit.exe : fatal error LNK1120: 5 unresolved externals
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

It's configured for release, I have Linker->Input = sfml-graphics.lib, in the VC++ Directories I have the Include folder and lib folder from the VC++ install directories added in, whereas the SFML files are.

What did I miss? I'm going crazy here.

General discussions / Microsoft Visual C++ 2010 Express problems.
« on: December 01, 2010, 05:43:41 am »

Firstly, sorry if I'm just being stupid - I've always wanted and tried to be a computer geek but sometimes I just think it may not be for me...

Anyway, my problem is this: When I build/compile (whichever is the proper word) the following code

Code: [Select]

#pragma comment (lib, "sfml-window.lib")
#include <SFML/Window.hpp>
#include <iostream>

#define width 800
#define length 600
#define depth 32

int main()
sf::Window MainWindow(sf::VideoMode(width, length, depth), "Tester");
bool running = false;
while (running);

return 0;

works fine - I had big problems with getting the libs and linkers and whatnot to work correctly, so I was pretty bummed to see that when I actually run this I get an error saying

"Run-Time check failure #2 - Stack around the variable "MainWindow" was corrupted."

If I hit the Continue button after this, I get another message telling me that the .exe has been "buffer overrun, corrupting the internal state of the program".

I could do the tutorials fine on Bloodshed Dev-Cpp, which leads me to believe that I've done something wrong, or have forgotten something.

Not being able to finish even the first tutorial makes me a sad panda, truly.

Thanks for any replies!



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