How to use the raylib.DrawRectangleRec function in raylib

console.log(r.IsKeyDown(r.KEY_ONE))

  // console.log(r.GetKeyPressed())
  r.DrawText('some basic shapes available on raylib', 20, 20, 20, r.DARKGRAY)

  var position = {
    x: 100,
    y: 100,
  }
  var size = {
    x: 200,
    y: 150,
  }
  r.DrawRectangleV(position, size, r.DARKBLUE)

  r.DrawRectangleRec(
    {
      x: 50,
      y: 50,
      width: 50,
      height: 50,
    },
    r.PINK
  )

  /*
        DrawCircle(screenWidth/4, 120, 35, DARKBLUE);
        DrawRectangle(screenWidth/4*2 - 60, 100, 120, 60, RED);
        DrawRectangleLines(screenWidth/4*2 - 40, 320, 80, 60, ORANGE);  // NOTE: Uses QUADS internally, not lines
        DrawRectangleGradientH(screenWidth/4*2 - 90, 170, 180, 130, MAROON, GOLD);
        DrawTriangle((Vector2){screenWidth/4*3, 80},
                     (Vector2){screenWidth/4*3 - 60, 150},

r.ClearBackground(r.RAYWHITE);

        r.DrawText("some basic shapes available on raylib", 20, 20, 20, r.DARKGRAY);

        var position = {
            x: 100,
            y: 100
        }
        var size = {
            x: 200,
            y: 150
        }
        r.DrawRectangleV(position, size, r.DARKBLUE)

        r.DrawRectangleRec({
            x: 50,
            y: 50,
            width: 50,
            height: 50
        }, r.PINK)

        /*
        DrawCircle(screenWidth/4, 120, 35, DARKBLUE);

        DrawRectangle(screenWidth/4*2 - 60, 100, 120, 60, RED);
        DrawRectangleLines(screenWidth/4*2 - 40, 320, 80, 60, ORANGE);  // NOTE: Uses QUADS internally, not lines
        DrawRectangleGradientH(screenWidth/4*2 - 90, 170, 180, 130, MAROON, GOLD);

        DrawTriangle((Vector2){screenWidth/4*3, 80},
                     (Vector2){screenWidth/4*3 - 60, 150},
                     (Vector2){screenWidth/4*3 + 60, 150}, VIOLET);

// Draw
  //----------------------------------------------------------------------------------
  r.BeginDrawing();

    r.ClearBackground(r.RAYWHITE);

    r.BeginMode2D(camera);

      r.DrawRectangle(-6000, 320, 13000, 8000, r.DARKGRAY);

      for (var i = 0; i < MAX_BUILDINGS; i++) {
        r.DrawRectangleRec(buildings[i], buildColors[i]);
      }

      r.DrawRectangleRec(player, r.RED);

      r.DrawLine(camera.target.x, -screenHeight*10, camera.target.x, screenHeight*10, r.GREEN);
      r.DrawLine(-screenWidth*10, camera.target.y, screenWidth*10, camera.target.y, r.GREEN);

    r.EndMode2D();

    r.DrawText("SCREEN AREA", 640, 10, 20, r.RED);

    r.DrawRectangle(0, 0, screenWidth, 5, r.RED);
    r.DrawRectangle(0, 5, 5, screenHeight - 10, r.RED);
    r.DrawRectangle(screenWidth - 5, 5, 5, screenHeight - 10, r.RED);
    r.DrawRectangle(0, screenHeight - 5, screenWidth, 5, r.RED);

    r.DrawRectangle( 10, 10, 250, 113, r.Fade(r.SKYBLUE, 0.5));
    r.DrawRectangleLines( 10, 10, 250, 113, r.BLUE);

camera.rotation = 0
  }
  //----------------------------------------------------------------------------------

  // Draw
  //----------------------------------------------------------------------------------
  r.BeginDrawing();

    r.ClearBackground(r.RAYWHITE);

    r.BeginMode2D(camera);

      r.DrawRectangle(-6000, 320, 13000, 8000, r.DARKGRAY);

      for (var i = 0; i < MAX_BUILDINGS; i++) {
        r.DrawRectangleRec(buildings[i], buildColors[i]);
      }

      r.DrawRectangleRec(player, r.RED);

      r.DrawLine(camera.target.x, -screenHeight*10, camera.target.x, screenHeight*10, r.GREEN);
      r.DrawLine(-screenWidth*10, camera.target.y, screenWidth*10, camera.target.y, r.GREEN);

    r.EndMode2D();

    r.DrawText("SCREEN AREA", 640, 10, 20, r.RED);

    r.DrawRectangle(0, 0, screenWidth, 5, r.RED);
    r.DrawRectangle(0, 5, 5, screenHeight - 10, r.RED);
    r.DrawRectangle(screenWidth - 5, 5, 5, screenHeight - 10, r.RED);
    r.DrawRectangle(0, screenHeight - 5, screenWidth, 5, r.RED);

y.forEach((x, j) => {
      if (x) {
        r.DrawRectangleRec(
          {
            x: j * multiplier,
            y: i * multiplier,
            width: multiplier,
            height: multiplier,
          },
          r.GREEN
        )
      } else {
        r.DrawRectangleRec(
          {
            x: j * multiplier,
            y: i * multiplier,
            width: multiplier,
            height: multiplier,
          },

y.forEach((x, j) => {
      if (x) {
        r.DrawRectangleRec(
          {
            x: j * multiplier,
            y: i * multiplier,
            width: multiplier,
            height: multiplier,
          },
          r.GREEN
        )
      } else {
        r.DrawRectangleRec(
          {
            x: j * multiplier,
            y: i * multiplier,
            width: multiplier,
            height: multiplier,
          },
          r.BLACK
        )
      }
    })
  })