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Basic 3D rendering

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var
2026-04-01 00:13:07 -05:00
parent 7b40b8702c
commit b4768a885b
14 changed files with 638 additions and 23 deletions
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37
src/game.c
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@@ -1,32 +1,15 @@
#include <stdbool.h>
#include <stdio.h>
#include "SDL2/SDL.h"
#include "SDL2/SDL_timer.h"
#include "GL/glew.h"
#include "SDL2/SDL_opengl.h"
#include "game.h"
#include "render.h"
#include "camera.h"
GameState *Game_New()
{
GameState *gs = calloc(1, sizeof(GameState));
SDL_Init(SDL_INIT_VIDEO);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 5);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
gs->window = SDL_CreateWindow("Game", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1920, 1080, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);;
gs->glContext = SDL_GL_CreateContext(gs->window);
printf("Created OpenGL window.\n");
glewInit();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
printf("Initialized OpenGL.\n");
if (!Render_Init(gs)) return NULL;
gs->running = true;
return gs;
@@ -34,12 +17,20 @@ GameState *Game_New()
void Game_Update(GameState *gs)
{
SDL_Delay(100);
vec3 move;
glm_vec3_zero(move);
if (gs->input.w) move[0] = 0.3f;
else if (gs->input.s) move[0] = -0.3f;
if (gs->input.a) move[1] = 0.3f;
else if (gs->input.d) move[1] = -0.3f;
glm_vec3_add(gs->camera.position, move, gs->camera.position);
Camera_UpdateVectors(&gs->camera);
SDL_Delay(5);
}
void Game_Destroy(GameState *gs)
{
SDL_GL_DeleteContext(gs->glContext);
SDL_DestroyWindow(gs->window);
Render_Destroy(gs);
free(gs);
}