a simple implementation of angrybirds using pygame and pymunk
- support three birds：red bird, blue bird, yellow bird, black bird and white bird
- suport three blocks: glass, wood and stone
- use json file to store level data (e.g. position of block and pig)
- TODO: support different pigs
- Python 3.7
- Python-Pygame 1.9
- Pymunk 5.5.0
$ python main.py
- use mouse to drag the bird, modify the direction, then release the mouse to shoot the bird
