diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 16 |
1 files changed, 12 insertions, 4 deletions
@@ -88,9 +88,11 @@ static void shader_check_for_changes(Shader *shader) { } static double start_time; +static float window_width, window_height; static void shader_draw(Shader *shader, Rect where) { shader_check_for_changes(shader); + if (!shader->program) return; float x1, y1, x2, y2; rect_coords(where, &x1, &y1, &x2, &y2); @@ -132,6 +134,9 @@ static void shader_draw(Shader *shader, Rect where) { GLint u_time = gl_uniform_loc(shader->program, "u_time"); if (u_time >= 0) glUniform1f(u_time, (float)fmod(time_get_seconds() - start_time, 10000)); + GLint u_aspect_ratio = gl_uniform_loc(shader->program, "u_aspect_ratio"); + if (u_aspect_ratio >= 0) + glUniform1f(u_aspect_ratio, window_width / window_height); glDrawArrays(GL_TRIANGLES, 0, 6); } @@ -241,9 +246,12 @@ int main(void) { bool quit = false, fullscreen = false; start_time = time_get_seconds(); while (!quit) { + int iwindow_width, iwindow_height; + SDL_GetWindowSize(window, &iwindow_width, &iwindow_height); + window_width = (float)iwindow_width; + window_height = (float)iwindow_height; + SDL_Event event = {0}; - int window_width, window_height; - SDL_GetWindowSize(window, &window_width, &window_height); v2 *mouse_clicks = NULL; while (SDL_PollEvent(&event)) { switch (event.type) { @@ -251,8 +259,8 @@ int main(void) { quit = true; break; case SDL_MOUSEBUTTONDOWN: { - float x = -1 + 2 * (float)event.button.x / (float)window_width; - float y = +1 - 2 * (float)event.button.y / (float)window_height; + float x = -1 + 2 * (float)event.button.x / window_width; + float y = +1 - 2 * (float)event.button.y / window_height; arr_add(mouse_clicks, V2(x, y)); } break; case SDL_KEYDOWN: |