poo.go

func TetrominoFactory() Tetromino {

	var tt rune = implementedTetrominos[rand.Intn(len(implementedTetrominos))]
	switch tt {
	case 'I':
		return Tetromino{tt, []Sprite{
			Sprite{[]Vector{{0, 1}, {1, 1}, {2, 1}, {3, 1}}},
			Sprite{[]Vector{{2, 0}, {2, 1}, {2, 2}, {2, 3}}},
			Sprite{[]Vector{{0, 2}, {1, 2}, {2, 2}, {3, 2}}},
			Sprite{[]Vector{{1, 0}, {1, 1}, {1, 2}, {1, 3}}},
		}}
	case 'J':
		return Tetromino{tt, []Sprite{
			Sprite{[]Vector{{0, 0}, {0, 1}, {1, 1}, {2, 1}}},
			Sprite{[]Vector{{1, 0}, {2, 0}, {1, 1}, {1, 2}}},
			Sprite{[]Vector{{0, 1}, {1, 1}, {2, 1}, {2, 2}}},
			Sprite{[]Vector{{1, 0}, {1, 1}, {1, 2}, {0, 2}}},
		}}
  // ...
  }
}