a-game

commit 889027a1557f46a24ed39c2a223510da6e9a96e8
parent 551909ce974d3ba13b9f2ae107e0a73579b22f3b
Author: Amin Mesbah <dev@aminmesbah.com>
Date:   Fri,  1 Jun 2018 23:37:34 -0700

Update projection matrix w/ framebuffer dimensions

This removes distortion when resizing the window.

Diffstat:
M
src/game.c
 | 
1
+
M
src/platform_linux.c
 | 
8
++++++--

2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/game.c b/src/game.c
@@ -46,6 +46,7 @@ void game_update_and_render(struct GameState *game_state, float dt, uint32_t scr
     glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
     glClear(GL_COLOR_BUFFER_BIT);
 
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
     m4 model = glmth_m4_init_id();
     model = glmth_translate(model, glmth_v3_init(300.0f, 300.0f, 0.0f));
     model = glmth_translate(model, glmth_v3_init(100.0f * cosf(dt), 100.0f * sinf(dt), 0.0f));
diff --git a/src/platform_linux.c b/src/platform_linux.c
@@ -73,6 +73,10 @@ int main(void)
         lag += elapsed_ms;
         //printf("%" PRIu64 ", %" PRIu64 ", %f\n", elapsed_ms, lag, PLATFORM_MS_PER_UPDATE);
 
+        int32_t framebuffer_width = PLATFORM_SCR_WIDTH;
+        int32_t framebuffer_height = PLATFORM_SCR_HEIGHT;
+        glfwGetFramebufferSize(window, &framebuffer_width, &framebuffer_height);
+
 #ifdef PLATFORM_HOTLOAD_GAME_CODE
         time_t last_write_time = file_get_modified_time(PLATFORM_GAME_LIB_PATH);
         bool game_code_has_changed = last_write_time && (last_write_time != game_code.last_write_time);
@@ -85,9 +89,9 @@ int main(void)
                 // TODO: fall back to backup?
             }
         }
-        game_code.game_update_and_render(&game_state, lag/PLATFORM_SECOND, PLATFORM_SCR_WIDTH, PLATFORM_SCR_HEIGHT);
+        game_code.game_update_and_render(&game_state, lag/PLATFORM_SECOND, framebuffer_width, framebuffer_height);
 #else
-        game_update_and_render(&game_state, lag/PLATFORM_SECOND, PLATFORM_SCR_WIDTH, PLATFORM_SCR_HEIGHT);
+        game_update_and_render(&game_state, lag/PLATFORM_SECOND, framebuffer_width, framebuffer_height);
 #endif // PLATFORM_HOTLOAD_GAME_CODE
 
         glfwSwapBuffers(window);