Zhang Xin yu
/
ZhangXinyu201090208
zhangxinyu01text
Diff: main.cpp
- Revision:
- 7:75ba0b323011
- Parent:
- 1:25a839625a1e
- Child:
- 8:d8e9de797e90
--- a/main.cpp Wed Mar 01 13:57:15 2017 +0000 +++ b/main.cpp Sun Mar 05 16:45:35 2017 +0000 @@ -14,47 +14,65 @@ Direction d; float mag; }; -/////////////// objects /////////////// + +/////////////// Hardware objects /////////////// N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); Gamepad pad; -PongEngine pong; + ///////////// prototypes /////////////// void init(); void update_game(UserInput input); -void render(); +void render(PongEngine &pong); +int get_random_number_from_pad(); + ///////////// functions //////////////// int main() { int fps = 8; + // Initialise hardware init(); - - render(); // draw initial frame + + int seed = get_random_number_from_pad(); + + // Now create the game engine + PongEngine pong(PADDLE_WIDTH, + PADDLE_HEIGHT, + BALL_RADIUS, + BALL_SPEED, + seed); + + render(pong); // draw initial frame wait(1.0f/fps); while (1) { pong.read_input(pad); pong.update(pad); - render(); + render(pong); wait(1.0f/fps); } } +/** + * @brief create some random number from ADC pins to use in srand + * @returns a random integer + */ +int get_random_number_from_pad() +{ + float rand1 = pad.read_pot(); + Vector2D rand2 = pad.get_coord(); + int seed = int(1.0e6f*(rand1 + (rand2.x/rand2.y))); + + return seed; + } + void init() { lcd.init(); pad.init(); - - float rand1 = pad.read_pot(); - Vector2D rand2 = pad.get_coord(); - int seed = int(1.0e6f*(rand1 + (rand2.x/rand2.y))); - // create some random number from ADC pins to use in srand - - pong.init(PADDLE_WIDTH,PADDLE_HEIGHT,BALL_RADIUS,BALL_SPEED,seed); - } -void render() +void render(PongEngine &pong) { lcd.clear(); // clear screen, re-draw and refresh pong.draw(lcd);