Revert to last C version

2026-06-28 03:06:18 -04:00 · 2025-12-19 11:20:02 -06:00
parent 093eb8388f
commit c7099c5b1d
2 changed files with 77 additions and 94 deletions
--- a/src/main.c
+++ b/src/main.c
@@ -0,0 +1,77 @@
+#include "raylib.h"
+#include "raymath.h"
+
+#include "../data/cube.png.h"
+
+#define SCREEN_WIDTH (320)
+#define SCREEN_HEIGHT (240)
+
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+
+int main(void) {
+  SetConfigFlags(FLAG_MSAA_4X_HINT | FLAG_WINDOW_RESIZABLE |
+                 FLAG_WINDOW_MAXIMIZED | FLAG_VSYNC_HINT);
+  InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "game");
+  SetWindowMinSize(320, 240);
+  SetTargetFPS(60);
+
+  RenderTexture2D target = LoadRenderTexture(SCREEN_WIDTH, SCREEN_HEIGHT);
+  SetTextureFilter(target.texture, TEXTURE_FILTER_POINT);
+
+  Image image =
+      LoadImageFromMemory(".png", assets_cube_png, assets_cube_png_len);
+
+  Texture2D texture = LoadTextureFromImage(image);
+
+  Camera camera = {0};
+  camera.position = (Vector3){0.0f, 0.0f, 5.0f};
+  camera.target = (Vector3){0.0f, 0.0f, 0.0f};
+  camera.up = (Vector3){0.0f, 1.0f, 0.0f};
+  camera.fovy = 60.0f;
+  camera.projection = CAMERA_PERSPECTIVE;
+
+  Model cube = LoadModelFromMesh(GenMeshCube(1.0f, 1.0f, 1.0f));
+  cube.materials[0].maps[MATERIAL_MAP_ALBEDO].texture = texture;
+
+  while (!WindowShouldClose()) {
+
+    float scale = MIN((float)GetScreenWidth() / SCREEN_WIDTH,
+                      (float)GetScreenHeight() / SCREEN_HEIGHT);
+
+    cube.transform =
+        MatrixMultiply(MatrixRotateXYZ(Vector3Scale((Vector3){1.0f, 1.5f, 2.5f},
+                                                    GetFrameTime())),
+                       cube.transform);
+
+    BeginTextureMode(target);
+    {
+      ClearBackground(BLACK);
+      BeginMode3D(camera);
+      {
+        DrawModel(cube, Vector3Zero(), 1.0f, WHITE);
+      }
+      EndMode3D();
+    }
+    EndTextureMode();
+
+    BeginDrawing();
+    {
+      ClearBackground(BLACK);
+      DrawTexturePro(
+          target.texture,
+          (Rectangle){0.0f, 0.0f, (float)target.texture.width,
+                      (float)-target.texture.height},
+          (Rectangle){
+              (GetScreenWidth() - ((float)SCREEN_WIDTH * scale)) * 0.5f,
+              (GetScreenHeight() - ((float)SCREEN_HEIGHT * scale)) * 0.5f,
+              (float)SCREEN_WIDTH * scale, (float)SCREEN_HEIGHT * scale},
+          (Vector2){0, 0}, 0.0f, WHITE);
+    }
+    EndDrawing();
+  }
+
+  CloseWindow();
+
+  return 0;
+}
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,94 +0,0 @@
-#include "../data/cube.png.h"
-#include "raylib.h"
-#include <cmath>
-
-#if defined(PLATFORM_WEB)
-#include <emscripten/emscripten.h>
-#endif
-
-#define SCREEN_WIDTH (320)
-#define SCREEN_HEIGHT (240)
-#define WIN_WIDTH (1280)
-#define WIN_HEIGHT (720)
-
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-
-void MainLoop();
-
-raylib::Window window(WIN_WIDTH, WIN_HEIGHT, "game",
-                      FLAG_WINDOW_RESIZABLE | FLAG_VSYNC_HINT);
-
-raylib::RenderTexture2D target(SCREEN_WIDTH, SCREEN_HEIGHT);
-
-raylib::Image texImg =
-    raylib::LoadImageFromMemory(".png", cube_png, cube_png_len);
-
-raylib::Texture2D texture = texImg.LoadTexture();
-
-raylib::Camera3D cam(raylib::Vector3(0.0f, 0.0f, std::sqrt(3.0f)),
-                     raylib::Vector3::Zero(), raylib::Vector3(0.0f, 1.0f, 0.0f),
-                     60.0f, CAMERA_PERSPECTIVE);
-
-raylib::Model cube(GenMeshCube(1.0f, 1.0f, 1.0f));
-
-int main(void) {
-  window.SetMinSize({320, 240});
-  window.SetTargetFPS(60);
-  window.SetExitKey(KEY_BACKSPACE);
-
-  target.GetTexture().SetFilter(TEXTURE_FILTER_POINT);
-
-  cube.materials[0].maps[MATERIAL_MAP_ALBEDO].texture = texture;
-
-#if defined(PLATFORM_WEB)
-  emscripten_set_main_loop(MainLoop, 0, 1);
-#else
-  while (!window.ShouldClose() && !raylib::Keyboard::IsKeyDown(KEY_ESCAPE))
-    MainLoop();
-#endif
-
-  window.Close();
-
-  return 0;
-}
-
-void MainLoop() {
-  {
-    int winWidth = GetScreenWidth(), winHeight = GetScreenHeight();
-    float scale =
-        MIN((float)winWidth / SCREEN_WIDTH, (float)winHeight / SCREEN_HEIGHT);
-
-    cube.SetTransform(
-        raylib::Matrix::RotateXYZ(
-            raylib::Vector3(1.0f, 1.5f, 2.5f).Scale(window.GetFrameTime()))
-            .Multiply(cube.GetTransform()));
-
-    target.BeginMode();
-    {
-      ClearBackground(BLACK);
-      raylib::Vector2(160.0f, 120.0f)
-          .DrawCircle(120.0f, raylib::Color::White());
-      cam.BeginMode();
-      {
-        cube.Draw(raylib::Vector3::Zero());
-      }
-      cam.EndMode();
-    }
-    target.EndMode();
-
-    window.BeginDrawing();
-    {
-      ClearBackground(BLACK);
-      target.GetTexture().Draw(
-          raylib::Rectangle(0.0f, 0.0f, (float)SCREEN_WIDTH,
-                            (float)-SCREEN_HEIGHT),
-          raylib::Rectangle((winWidth - ((float)SCREEN_WIDTH * scale)) * 0.5f,
-                            (winHeight - ((float)SCREEN_HEIGHT * scale)) * 0.5f,
-                            (float)SCREEN_WIDTH * scale,
-                            (float)SCREEN_HEIGHT * scale),
-          raylib::Vector2(0, 0), 0.0f, WHITE);
-    }
-    window.EndDrawing();
-  }
-}