Revert to last C version

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;
+}