ArduinoCollisionAnimation

ArduinoCollisionAnimation.ino

#include "Arduino_LED_Matrix.h"
ArduinoLEDMatrix matrix;



uint8_t frame[8][12] = {
  { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
};

uint8_t row = 0;
uint8_t col = 0;
uint8_t nextRow = 0;
uint8_t nextCol = 0;
const char SOUTH = 'S';
const char NORTH = 'N';
const char WEST = 'W';
const char EAST = 'E';

char direction;
bool turnOn = true;
uint8_t coloredCount;

void reset() {
    coloredCount = 95;
    row = 0;
    col = 0;
    direction = SOUTH;
}

void setup() {
  matrix.begin();
  reset();
}

bool hitSomething(uint8_t futureRow, uint8_t futureCol) {
  uint8_t hitColor = turnOn?1:0;
  if (frame[futureRow][futureCol] == hitColor)
    return true;
  if (futureRow < 0 || futureCol < 0 || futureRow >= 8 || futureCol >= 12 ) //outside map
    return true;
  return false;
}

void turnLeft() {
  switch (direction) {
    case NORTH:
      direction = WEST;
      break;    
    case WEST:
      direction = SOUTH;
      break;
    case SOUTH:
      direction = EAST;
      break;
    case EAST:
      direction = NORTH;
      break;
    default:
      break;
  }
}

void calcNextMove() {
  switch (direction) {
    case NORTH:
      nextRow = nextRow - 1;
      break;    
    case WEST:
      nextCol = nextCol - 1;
      break;
    case SOUTH:
      nextRow = nextRow + 1;
      break;
    case EAST:
      nextCol = nextCol + 1;
      break;
    default:
      break;
  }
}

void loop() {
  nextRow = row;
  nextCol = col;

  calcNextMove();

  if (hitSomething(nextRow,nextCol)) {
    turnLeft();
  } else {
    row = nextRow;
    col = nextCol;
    coloredCount--;
    delay(100);
  }
  
  frame[row][col] = turnOn?1:0;
  matrix.renderBitmap(frame, 8, 12);

  if(coloredCount==0) {
    reset();
    turnOn = !turnOn;
    frame[0][0] = turnOn?1:0;    
  }
  
}

another little animation script