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46
VSCode/README
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46
VSCode/README
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This directory is intended for project specific (private) libraries.
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PlatformIO will compile them to static libraries and link into executable file.
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The source code of each library should be placed in a an own separate directory
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("lib/your_library_name/[here are source files]").
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For example, see a structure of the following two libraries `Foo` and `Bar`:
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|--lib
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| |
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| |--Bar
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| | |--docs
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| | |--examples
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| | |--src
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| | |- Bar.c
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| | |- Bar.h
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| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
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| |
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| |--Foo
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| | |- Foo.c
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| | |- Foo.h
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| |
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| |- README --> THIS FILE
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|- platformio.ini
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|--src
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|- main.c
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and a contents of `src/main.c`:
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```
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#include <Foo.h>
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#include <Bar.h>
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int main (void)
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{
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...
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}
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```
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PlatformIO Library Dependency Finder will find automatically dependent
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libraries scanning project source files.
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More information about PlatformIO Library Dependency Finder
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- https://docs.platformio.org/page/librarymanager/ldf.html
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302
VSCode/main.cpp
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302
VSCode/main.cpp
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#include <Arduino.h>
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/**
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* Player 1: x = 0
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* Player 2: x = X_MAX-1
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*/
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#define PIN_LED_MATRIX 2
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#define PIN_JOYSTICK_1_BUTTON 6
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#define PIN_JOYSTICK_2_BUTTON 7
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#define PIN_PIEZO 11
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#define PIN_JOYSTICK_1_Y A0
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#define PIN_JOYSTICK_2_Y A1
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#define JOYSTICK_OFFSET_MIN 200
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#define JOYSTICK_OFFSET_MAX 700
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#define DEBOUNCE_TIME 300 // in ms
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#define X_MAX 10
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#define Y_MAX 20
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#define GAME_DELAY 80 // in ms
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#define BALL_DELAY_MAX 350 // in ms
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#define BALL_DELAY_MIN 50 // in ms
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#define BALL_DELAY_STEP 5 // in ms
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#define PLAYER_AMOUNT 2
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#define PLAYER_1 0
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#define PLAYER_2 1
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#define PADDLE_WIDTH 3
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#define PADDLE_MOVE_NONE 0
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#define PADDLE_MOVE_UP 1
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#define PADDLE_MOVE_DOWN 2
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#define LED_TYPE_OFF 1
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#define LED_TYPE_PADDLE 2
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#define LED_TYPE_BALL 3
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#define LED_TYPE_BALL_RED 4
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#define TONE_PLAYER 1
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#define TONE_WALL 2
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#define TONE_BUZZ 3
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#define GAME_STATE_RUNNING 1
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#define GAME_STATE_END 2
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#define GAME_STATE_INIT 3
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#include <Adafruit_NeoPixel.h>
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struct Coords {
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byte x;
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byte y;
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};
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(X_MAX * Y_MAX, PIN_LED_MATRIX, NEO_GRB + NEO_KHZ800);
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bool buttonPressed = false;
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byte gameState;
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byte joystickPins[PLAYER_AMOUNT] = {PIN_JOYSTICK_1_Y, PIN_JOYSTICK_2_Y};
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Coords paddles[PLAYER_AMOUNT][PADDLE_WIDTH];
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Coords ball;
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int ballMovement[2];
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unsigned int ballDelay;
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unsigned long lastDrawUpdate = 0;
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unsigned long lastBallUpdate = 0;
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unsigned long lastButtonClick = 0;
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void setup()
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{
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pinMode(PIN_JOYSTICK_1_Y, INPUT);
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pinMode(PIN_JOYSTICK_1_BUTTON, INPUT_PULLUP);
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pinMode(PIN_JOYSTICK_2_Y, INPUT);
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pinMode(PIN_JOYSTICK_2_BUTTON, INPUT_PULLUP);
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pixels.begin();
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resetLEDs();
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gameState = GAME_STATE_END;
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}
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void loop()
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{
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switch(gameState) {
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case GAME_STATE_INIT:
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initGame();
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break;
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case GAME_STATE_RUNNING:
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updateBall();
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updateGame();
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break;
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case GAME_STATE_END:
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if (isButtonPressed()) {
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gameState = GAME_STATE_INIT;
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}
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break;
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}
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}
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void initGame()
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{
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resetLEDs();
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lastButtonClick = millis();
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ball.x = 1;
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ball.y = (Y_MAX/2) - (PADDLE_WIDTH/2) + 1;
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ballMovement[0] = 1;
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ballMovement[1] = -1;
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ballDelay = BALL_DELAY_MAX;
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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paddles[PLAYER_1][i].x = 0;
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paddles[PLAYER_1][i].y = (Y_MAX/2) - (PADDLE_WIDTH/2) + i;
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paddles[PLAYER_2][i].x = X_MAX - 1;
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paddles[PLAYER_2][i].y = paddles[PLAYER_1][i].y;
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}
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gameState = GAME_STATE_RUNNING;
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}
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void updateBall()
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{
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bool hitBall = false;
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if ((millis() - lastBallUpdate) < ballDelay) {
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return;
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}
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lastBallUpdate = millis();
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toggleLed(ball.x, ball.y, LED_TYPE_OFF);
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// collision detection for player 1
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if (ballMovement[0] == -1 && ball.x == 1) {
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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if (paddles[PLAYER_1][i].y == ball.y) {
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hitBall = true;
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break;
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}
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}
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}
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// collision detection for player 2
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if (ballMovement[0] == 1 && ball.x == X_MAX-2) {
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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if (paddles[PLAYER_2][i].y == ball.y) {
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hitBall = true;
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break;
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}
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}
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}
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if (hitBall == true) {
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ballMovement[0] *= -1;
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playTone(TONE_PLAYER);
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if (ballDelay > BALL_DELAY_MIN) {
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ballDelay -= BALL_DELAY_STEP;
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}
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}
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ball.x += ballMovement[0];
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ball.y += ballMovement[1];
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if (ball.x <=0 || ball.x >= X_MAX-1) {
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endGame();
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return;
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}
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if (ball.y <= 0 || ball.y >= Y_MAX-1) {
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ballMovement[1] *= -1;
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playTone(TONE_WALL);
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}
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toggleLed(ball.x, ball.y, LED_TYPE_BALL);
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pixels.show();
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}
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void endGame()
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{
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gameState = GAME_STATE_END;
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toggleLed(ball.x, ball.y, LED_TYPE_BALL_RED);
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pixels.show();
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playTone(TONE_BUZZ);
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}
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void updateGame()
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{
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if ((millis() - lastDrawUpdate) < GAME_DELAY) {
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return;
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}
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lastDrawUpdate = millis();
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// turn off paddle LEDs
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for(byte p=0; p<PLAYER_AMOUNT; p++) {
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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toggleLed(paddles[p][i].x, paddles[p][i].y, LED_TYPE_OFF);
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}
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}
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// move paddles
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for(byte p=0; p<PLAYER_AMOUNT; p++) {
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byte movement = getPlayerMovement(p);
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if (movement == PADDLE_MOVE_UP && paddles[p][PADDLE_WIDTH-1].y < (Y_MAX-1)) {
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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paddles[p][i].y++;
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}
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}
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if (movement == PADDLE_MOVE_DOWN && paddles[p][0].y > 0) {
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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paddles[p][i].y--;
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}
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}
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}
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// show paddle LEDs
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for(byte p=0; p<PLAYER_AMOUNT; p++) {
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for(byte i=0; i<PADDLE_WIDTH; i++) {
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toggleLed(paddles[p][i].x, paddles[p][i].y, LED_TYPE_PADDLE);
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}
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}
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pixels.show();
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}
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byte getPlayerMovement(byte playerId)
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{
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int value = analogRead(joystickPins[playerId]);
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if (value < JOYSTICK_OFFSET_MIN) {
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if (playerId == PLAYER_2) {
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return PADDLE_MOVE_DOWN;
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} else {
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return PADDLE_MOVE_UP;
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}
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} else if (value > JOYSTICK_OFFSET_MAX) {
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if (playerId == PLAYER_2) {
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return PADDLE_MOVE_UP;
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} else {
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return PADDLE_MOVE_DOWN;
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}
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}
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return PADDLE_MOVE_NONE;
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}
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bool isButtonPressed()
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{
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if ((millis() - lastButtonClick) < DEBOUNCE_TIME) {
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return false;
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}
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if (digitalRead(PIN_JOYSTICK_1_BUTTON) == LOW) {
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lastButtonClick = millis();
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return true;
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}
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if (digitalRead(PIN_JOYSTICK_2_BUTTON) == LOW) {
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lastButtonClick = millis();
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return true;
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}
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return false;
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}
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void resetLEDs()
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{
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for(byte i=0; i<X_MAX*Y_MAX; i++) {
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pixels.setPixelColor(i, pixels.Color(0, 0, 0));
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}
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pixels.show();
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}
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void toggleLed(byte x, byte y, byte type)
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{
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byte ledIndex = y * X_MAX + x;
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uint32_t color;
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switch(type) {
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case LED_TYPE_PADDLE:
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color = pixels.Color(0, 8, 8);
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break;
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case LED_TYPE_BALL_RED:
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color = pixels.Color(12, 0, 0);
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break;
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case LED_TYPE_BALL:
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color = pixels.Color(0, 10, 0);
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break;
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case LED_TYPE_OFF:
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color = pixels.Color(0, 0, 0);
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break;
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}
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pixels.setPixelColor(ledIndex, color);
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}
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void playTone(byte type)
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{
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switch(type) {
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case TONE_PLAYER:
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tone(PIN_PIEZO, 440, 50);
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break;
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case TONE_WALL:
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tone(PIN_PIEZO, 550, 50);
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break;
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case TONE_BUZZ:
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for(byte i=0; i<20; i++) {
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tone(PIN_PIEZO, 220-i*10, 50);
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delay(50);
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}
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break;
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}
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}
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15
VSCode/platformio.ini
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15
VSCode/platformio.ini
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:uno]
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platform = atmelavr
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board = uno
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framework = arduino
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lib_deps = adafruit/Adafruit NeoPixel@^1.10.4
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