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Connect 4 game using the NeoPixel Matrix 8x8 RGB LED and a 5-way Tactile Navigation Switch.
Dependencies: Matrix PinDetect mbed
Fork of 4180_Project_Finalcode by
main.cpp
- Committer:
- hdao9
- Date:
- 2018-04-22
- Revision:
- 2:1525f7ae330e
- Parent:
- 1:85d63d7193e3
- Child:
- 4:37b7ed4aa26b
File content as of revision 2:1525f7ae330e:
#include "mbed.h" #include "NeoStrip.h" #include "PinDetect.h" #include "Matrix.h" #define N 64 NeoStrip strip(p18, N); //8x8 neopixel matrix with each neopixel addressable by its index which range from 0 to 63 Matrix board(8,7); //the Connect Four game board is a 6x7 matrix, the neopixel matrix is 8x8, created an 8x7 matrix to keep track of moves PinDetect right(p5); PinDetect left(p7); PinDetect center(p8); int pos = 0; //current position of led in Neopixel index int row = 0; int col = 0; int winmode = 0; //0 means the game is not won, 1-4 are different ways to win int red = 0xFF0000; int blue = 0x0000FF; int color = red; int winningcolor = 0; void alloff() //turn off all neopixel at the beginning { for (int i = 0; i < N; i++) strip.setPixel(i, 0, 0, 0); strip.write(); } int matrix2index(int r, int c) //convert row,col of matrix to index of neopixel that range from 0 to 63 { return (r-1)*8 + c - 1; } //when the game is won, flash the neopixels that lead to winning forever until the game is restarted void display_winner(int mode, int r, int c, int wincolor) { switch (mode) { case 1: while (1) { strip.setPixel(matrix2index(r,c), wincolor); strip.setPixel(matrix2index(r,c+1), wincolor); strip.setPixel(matrix2index(r,c+2), wincolor); strip.setPixel(matrix2index(r,c+3), wincolor); strip.write(); wait(0.2); strip.setPixel(matrix2index(r,c), 0, 0, 0); strip.setPixel(matrix2index(r,c+1), 0, 0, 0); strip.setPixel(matrix2index(r,c+2), 0, 0, 0); strip.setPixel(matrix2index(r,c+3), 0, 0, 0); strip.write(); wait(0.2); } case 2: while (1) { strip.setPixel(matrix2index(r,c), wincolor); strip.setPixel(matrix2index(r+1,c), wincolor); strip.setPixel(matrix2index(r+2,c), wincolor); strip.setPixel(matrix2index(r+3,c), wincolor); strip.write(); wait(0.2); strip.setPixel(matrix2index(r,c), 0, 0, 0); strip.setPixel(matrix2index(r+1,c), 0, 0, 0); strip.setPixel(matrix2index(r+2,c), 0, 0, 0); strip.setPixel(matrix2index(r+3,c), 0, 0, 0); strip.write(); wait(0.2); } case 3: while (1) { strip.setPixel(matrix2index(r,c), wincolor); strip.setPixel(matrix2index(r+1,c+1), wincolor); strip.setPixel(matrix2index(r+2,c+2), wincolor); strip.setPixel(matrix2index(r+3,c+3), wincolor); strip.write(); wait(0.2); strip.setPixel(matrix2index(r,c), 0, 0, 0); strip.setPixel(matrix2index(r+1,c+1), 0, 0, 0); strip.setPixel(matrix2index(r+2,c+2), 0, 0, 0); strip.setPixel(matrix2index(r+3,c+3), 0, 0, 0); strip.write(); wait(0.2); } case 4: while (1) { strip.setPixel(matrix2index(r,c), wincolor); strip.setPixel(matrix2index(r+1,c-1), wincolor); strip.setPixel(matrix2index(r+2,c-2), wincolor); strip.setPixel(matrix2index(r+3,c-3), wincolor); strip.write(); wait(0.2); strip.setPixel(matrix2index(r,c), 0, 0, 0); strip.setPixel(matrix2index(r+1,c-1), 0, 0, 0); strip.setPixel(matrix2index(r+2,c-2), 0, 0, 0); strip.setPixel(matrix2index(r+3,c-3), 0, 0, 0); strip.write(); wait(0.2); } default: break; } } void check_winner() { //check 4 in a row for (int r = 1; r < 9; r++) { for (int c = 1; c < 6; c++) { if (board.getNumber(r,c) != 0 && board.getNumber(r,c) == board.getNumber(r,c+1) && board.getNumber(r,c+1) == board.getNumber(r,c+2) && board.getNumber(r,c+2) == board.getNumber(r,c+3)) {//have winner row = r; col = c; winmode = 1; winningcolor = color; return; //avoid the uncessary of continue to check } } } //check 4 in a col for (int c = 1; c < 9; c++) { for (int r = 1; r < 6; r++) { if (board.getNumber(r,c) != 0 && board.getNumber(r,c) == board.getNumber(r+1,c) && board.getNumber(r+1,c) == board.getNumber(r+2,c) && board.getNumber(r+2,c) == board.getNumber(r+3,c)) {//have winner row = r; col = c; winmode = 2; winningcolor = color; return; } } } //check 4 in a forward diagonal for (int r = 3; r < 6; r++) { for (int c = 1; c < 5; c++) { if (board.getNumber(r,c) != 0 && board.getNumber(r,c) == board.getNumber(r+1,c+1) && board.getNumber(r+1,c+1) == board.getNumber(r+2,c+2) && board.getNumber(r+2,c+2) == board.getNumber(r+3,c+3)) {//have winner row = r; col = c; winmode = 3; winningcolor = color; return; } } } //check 4 in a reverse diagonal for (int r = 3; r < 6; r++) { for (int c = 4; c < 8; c++) { if (board.getNumber(r,c) != 0 && board.getNumber(r,c) == board.getNumber(r+1,c-1) && board.getNumber(r+1,c-1) == board.getNumber(r+2,c-2) && board.getNumber(r+2,c-2) == board.getNumber(r+3,c-3)) {//have winner row = r; col = c; winmode = 4; winningcolor = color; return; } } } } void right_hit_callback (void) { //move to the flashing neopixel to the right //led1 = !led1; strip.setPixel(pos, 0, 0, 0); //turn off the current neopixel if (pos < 6) pos = pos + 1; //move the neopixel to the right if not out of range } void left_hit_callback (void) { //move the flashing neopixel to the left //led3 = !led3; strip.setPixel(pos, 0, 0, 0); if (pos > 0) pos = pos - 1; } void center_hit_callback (void) { //drop the coin //turn off the flashing neopixel on top row strip.setPixel(pos, 0, 0, 0); //then coin need to appear at the current column, on the lowest row that not occupied col = pos + 1; for(row = 8; row > 1; row-- ) { if (board.getNumber(row,col) == 0) break; //break out of loop when found the lowest unoccupied row } //convert to neopixel index to turn of that neopixel, but only if not all rows in 6x7 board are occupied if (row > 2) strip.setPixel(matrix2index(row,col), color); else return; //after added LED to that position if (color == red) { board.add( row, col, 1.0);//update matrix to have a matrix to check winner check_winner(); //check if the winning move is made color = blue; //change player/color } else { board.add( row, col, 2.0); check_winner(); color = red; } } int main() { //initialize the matrix to 0 meaning all rows and cols are unoccupied board << 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; // Use internal pullups for pushbutton right.mode(PullUp); left.mode(PullUp); center.mode(PullUp); // Delay for initial pullup to take effect wait(.05); // Setup Interrupt callback functions for a pb hit right.attach_deasserted(&right_hit_callback); //used to move coin left.attach_deasserted(&left_hit_callback); //used to move coin center.attach_deasserted(¢er_hit_callback); //used to drop coin // Start sampling pb inputs using interrupts right.setSampleFrequency(); left.setSampleFrequency(); center.setSampleFrequency(); wait(.01); float bright = 0.2; // 20% is plenty for indoor use strip.setBrightness(bright); // set default brightness alloff(); //initial all neopixels to off while(1) { //winmode is initialized to 0 (not won and the function return) //winmode is changed in check_winner //need to call display_winner here rather than calling from interrupt fuction because display_winner loop forever if the game is won display_winner(winmode,row,col,winningcolor); //flashing the current position indicating which col will the disc be dropped at strip.setPixel(pos, color); strip.write(); wait(0.2); strip.setPixel(pos, 0, 0, 0); strip.write(); wait(0.2); } }