Skip to content

Style #4

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
netrunner1303 merged 6 commits into from
Oct 1, 2020
Merged

Style #4

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
5b242e5
Add Comments and made structure better
netrunner1303 Oct 21, 2019
668b278
Add Explanation
netrunner1303 Oct 1, 2020
a683090
Add Version
netrunner1303 Oct 1, 2020
1b3f250
Merge pull request #2 from netrunner1303/Cleanup
netrunner1303 Oct 1, 2020
386797c
Add Instructions
netrunner1303 Oct 1, 2020
07b50d1
Merge pull request #3 from netrunner1303/Cleanup
netrunner1303 Oct 1, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 8 additions & 1 deletion README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
# Snake
Dieses Repo enstand als finales Projekt fuer das Modul Prozedurale Programmierung an der TUHH.

zum Kompilieren:
Es wird eine Installation von GCC vorrausgesetzt.

Kompilieren:
in der cmd: mingw32-make

SDL2.dll muss sich zudem im Ordner befinden
Expand All @@ -21,3 +24,7 @@ SDL2.dll has to be added to this folder beforehand

link to external library:
https://www.libsdl.org/projects/SDL_image/


### How to play
The snake can be controlled via the correspondign arrow keys on the keyboard.
47 changes: 20 additions & 27 deletions main.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ int input (void);
int main(int argc, char* argv[]) {

/* BEGINNING OF SDL INIT */
//
// initialize SDLs video and timer sdubsystem
if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) != 0) {
printf("Fehler beim Initialisieren von SDL: %s\n", SDL_GetError());
Expand Down Expand Up @@ -75,6 +76,8 @@ int main(int argc, char* argv[]) {
SDL_Quit();
return 1;
}

// create texture from surface which the renderer can draw to the backgroud
SDL_Texture* tex_backgr = SDL_CreateTextureFromSurface(rend, surf_backgr);
if (tex_backgr == NULL) {
printf("Textur konnte nicht erstellt werden: %s\n", SDL_GetError());
Expand All @@ -83,6 +86,7 @@ int main(int argc, char* argv[]) {
SDL_Quit();
return 1;
}

// we can free the surface afterwards
SDL_FreeSurface(surf_sheet);
SDL_FreeSurface(surf_backgr);
Expand All @@ -91,15 +95,19 @@ int main(int argc, char* argv[]) {
// structs for coordinates and dimensions of certain elements

SDL_Rect fruit;
SDL_Rect snake[50]; //Maximale Länge von 50 Teilen -> Später durch dynamisches array oder linked list ersetzen!
/*snake[0].w = 64 / 2; //Kopf
snake[0].h = 64 / 2;
snake[1].w = 64 / 2;
snake[1].h = 64 / 2;
snake[2].w = 64 / 2;
snake[2].h = 64 / 2;
snake[3].w = 64 / 2;
snake[3].h = 64 / 2; //ende */

//Maximale Länge von 50 Teilen -> Später durch dynamisches array oder linked list ersetzen!
SDL_Rect snake[50];
/*
* snake[0].w = 64 / 2; // -> Head
* snake[0].h = 64 / 2;
* snake[1].w = 64 / 2;
* snake[1].h = 64 / 2;
* snake[2].w = 64 / 2;
* snake[2].h = 64 / 2;
* snake[3].w = 64 / 2;
* snake[3].h = 64 / 2; // -> Tail
*/



Expand Down Expand Up @@ -130,6 +138,7 @@ int main(int argc, char* argv[]) {
/* END OF SDL INIT */

/* BEGINNING OF GAME INIT */
//
// Koordinatenursprung ist oben links, positive y-Achse zeigt nach unten
snake[0].x = (WINDOW_WIDTH - snake[0].w) / 2;
snake[0].y = (WINDOW_HEIGHT - snake[0].h) / 2;
Expand All @@ -147,7 +156,7 @@ int main(int argc, char* argv[]) {




// Spawn fruit at random location
fruit.x = (rand() % (WINDOW_WIDTH - 2 * fruit.w)) + fruit.w;
fruit.y = (rand() % (WINDOW_HEIGHT - 2 * fruit.h)) + fruit.h;

Expand All @@ -164,16 +173,12 @@ int main(int argc, char* argv[]) {




// set randomizer seed
srand(time(NULL));
/* END OF GAME INIT */

/* BEGINNING OF GAME LOOP */
while (dir != QUIT) {




// process events

// determine velocity
Expand All @@ -199,10 +204,6 @@ int main(int argc, char* argv[]) {
dir_old = dir;
}





// update positions
snake[0].x += x_vel / 60;
snake[0].y += y_vel / 60;
Expand Down Expand Up @@ -236,7 +237,6 @@ int main(int argc, char* argv[]) {

}


// collision detection with bounds and "wrap around"
if (snake[0].x < 0) snake[0].x = WINDOW_WIDTH - snake[0].w;
if (snake[0].y < 0) snake[0].y = WINDOW_HEIGHT - snake[0].h;
Expand All @@ -252,12 +252,8 @@ int main(int argc, char* argv[]) {
}
}



// clear the window / renderer



// draw fruit

//draw head of snake
Expand Down Expand Up @@ -304,7 +300,6 @@ int main(int argc, char* argv[]) {

}


// swap current visible rendered window with buffered
// (double buffering)
SDL_RenderPresent(rend);
Expand All @@ -318,8 +313,6 @@ int main(int argc, char* argv[]) {
SDL_Delay(1000/60);
} /* END OF GAME LOOP */



// cleanup ressources
SDL_DestroyTexture(tex_sheet);
SDL_DestroyRenderer(rend);
Expand Down