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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@2:1525f7ae330e, 2018-04-22 (annotated)
- Committer:
- hdao9
- Date:
- Sun Apr 22 00:25:22 2018 +0000
- Revision:
- 2:1525f7ae330e
- Parent:
- 1:85d63d7193e3
- Child:
- 4:37b7ed4aa26b
finished code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hdao9 | 0:f0807589902f | 1 | #include "mbed.h" |
hdao9 | 0:f0807589902f | 2 | #include "NeoStrip.h" |
hdao9 | 0:f0807589902f | 3 | #include "PinDetect.h" |
hdao9 | 1:85d63d7193e3 | 4 | #include "Matrix.h" |
hdao9 | 0:f0807589902f | 5 | |
hdao9 | 0:f0807589902f | 6 | #define N 64 |
hdao9 | 0:f0807589902f | 7 | |
hdao9 | 2:1525f7ae330e | 8 | NeoStrip strip(p18, N); //8x8 neopixel matrix with each neopixel addressable by its index which range from 0 to 63 |
hdao9 | 2:1525f7ae330e | 9 | 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 |
hdao9 | 1:85d63d7193e3 | 10 | |
hdao9 | 0:f0807589902f | 11 | PinDetect right(p5); |
hdao9 | 0:f0807589902f | 12 | PinDetect left(p7); |
hdao9 | 0:f0807589902f | 13 | PinDetect center(p8); |
hdao9 | 0:f0807589902f | 14 | |
hdao9 | 2:1525f7ae330e | 15 | int pos = 0; //current position of led in Neopixel index |
hdao9 | 1:85d63d7193e3 | 16 | int row = 0; |
hdao9 | 1:85d63d7193e3 | 17 | int col = 0; |
hdao9 | 2:1525f7ae330e | 18 | int winmode = 0; //0 means the game is not won, 1-4 are different ways to win |
hdao9 | 0:f0807589902f | 19 | |
hdao9 | 0:f0807589902f | 20 | int red = 0xFF0000; |
hdao9 | 0:f0807589902f | 21 | int blue = 0x0000FF; |
hdao9 | 0:f0807589902f | 22 | int color = red; |
hdao9 | 1:85d63d7193e3 | 23 | int winningcolor = 0; |
hdao9 | 0:f0807589902f | 24 | |
hdao9 | 2:1525f7ae330e | 25 | void alloff() //turn off all neopixel at the beginning |
hdao9 | 0:f0807589902f | 26 | { |
hdao9 | 0:f0807589902f | 27 | for (int i = 0; i < N; i++) |
hdao9 | 0:f0807589902f | 28 | strip.setPixel(i, 0, 0, 0); |
hdao9 | 0:f0807589902f | 29 | strip.write(); |
hdao9 | 0:f0807589902f | 30 | } |
hdao9 | 0:f0807589902f | 31 | |
hdao9 | 2:1525f7ae330e | 32 | int matrix2index(int r, int c) //convert row,col of matrix to index of neopixel that range from 0 to 63 |
hdao9 | 1:85d63d7193e3 | 33 | { |
hdao9 | 1:85d63d7193e3 | 34 | return (r-1)*8 + c - 1; |
hdao9 | 1:85d63d7193e3 | 35 | } |
hdao9 | 1:85d63d7193e3 | 36 | |
hdao9 | 2:1525f7ae330e | 37 | //when the game is won, flash the neopixels that lead to winning forever until the game is restarted |
hdao9 | 1:85d63d7193e3 | 38 | void display_winner(int mode, int r, int c, int wincolor) |
hdao9 | 1:85d63d7193e3 | 39 | { |
hdao9 | 1:85d63d7193e3 | 40 | switch (mode) |
hdao9 | 1:85d63d7193e3 | 41 | { |
hdao9 | 1:85d63d7193e3 | 42 | case 1: |
hdao9 | 1:85d63d7193e3 | 43 | while (1) |
hdao9 | 1:85d63d7193e3 | 44 | { |
hdao9 | 1:85d63d7193e3 | 45 | strip.setPixel(matrix2index(r,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 46 | strip.setPixel(matrix2index(r,c+1), wincolor); |
hdao9 | 1:85d63d7193e3 | 47 | strip.setPixel(matrix2index(r,c+2), wincolor); |
hdao9 | 1:85d63d7193e3 | 48 | strip.setPixel(matrix2index(r,c+3), wincolor); |
hdao9 | 1:85d63d7193e3 | 49 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 50 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 51 | strip.setPixel(matrix2index(r,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 52 | strip.setPixel(matrix2index(r,c+1), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 53 | strip.setPixel(matrix2index(r,c+2), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 54 | strip.setPixel(matrix2index(r,c+3), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 55 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 56 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 57 | } |
hdao9 | 1:85d63d7193e3 | 58 | case 2: |
hdao9 | 1:85d63d7193e3 | 59 | while (1) |
hdao9 | 1:85d63d7193e3 | 60 | { |
hdao9 | 1:85d63d7193e3 | 61 | strip.setPixel(matrix2index(r,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 62 | strip.setPixel(matrix2index(r+1,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 63 | strip.setPixel(matrix2index(r+2,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 64 | strip.setPixel(matrix2index(r+3,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 65 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 66 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 67 | strip.setPixel(matrix2index(r,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 68 | strip.setPixel(matrix2index(r+1,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 69 | strip.setPixel(matrix2index(r+2,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 70 | strip.setPixel(matrix2index(r+3,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 71 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 72 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 73 | } |
hdao9 | 1:85d63d7193e3 | 74 | case 3: |
hdao9 | 1:85d63d7193e3 | 75 | while (1) |
hdao9 | 1:85d63d7193e3 | 76 | { |
hdao9 | 1:85d63d7193e3 | 77 | strip.setPixel(matrix2index(r,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 78 | strip.setPixel(matrix2index(r+1,c+1), wincolor); |
hdao9 | 1:85d63d7193e3 | 79 | strip.setPixel(matrix2index(r+2,c+2), wincolor); |
hdao9 | 1:85d63d7193e3 | 80 | strip.setPixel(matrix2index(r+3,c+3), wincolor); |
hdao9 | 1:85d63d7193e3 | 81 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 82 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 83 | strip.setPixel(matrix2index(r,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 84 | strip.setPixel(matrix2index(r+1,c+1), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 85 | strip.setPixel(matrix2index(r+2,c+2), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 86 | strip.setPixel(matrix2index(r+3,c+3), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 87 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 88 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 89 | } |
hdao9 | 1:85d63d7193e3 | 90 | case 4: |
hdao9 | 1:85d63d7193e3 | 91 | while (1) |
hdao9 | 1:85d63d7193e3 | 92 | { |
hdao9 | 1:85d63d7193e3 | 93 | strip.setPixel(matrix2index(r,c), wincolor); |
hdao9 | 1:85d63d7193e3 | 94 | strip.setPixel(matrix2index(r+1,c-1), wincolor); |
hdao9 | 1:85d63d7193e3 | 95 | strip.setPixel(matrix2index(r+2,c-2), wincolor); |
hdao9 | 1:85d63d7193e3 | 96 | strip.setPixel(matrix2index(r+3,c-3), wincolor); |
hdao9 | 1:85d63d7193e3 | 97 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 98 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 99 | strip.setPixel(matrix2index(r,c), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 100 | strip.setPixel(matrix2index(r+1,c-1), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 101 | strip.setPixel(matrix2index(r+2,c-2), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 102 | strip.setPixel(matrix2index(r+3,c-3), 0, 0, 0); |
hdao9 | 1:85d63d7193e3 | 103 | strip.write(); |
hdao9 | 1:85d63d7193e3 | 104 | wait(0.2); |
hdao9 | 1:85d63d7193e3 | 105 | } |
hdao9 | 1:85d63d7193e3 | 106 | default: |
hdao9 | 1:85d63d7193e3 | 107 | break; |
hdao9 | 1:85d63d7193e3 | 108 | } |
hdao9 | 1:85d63d7193e3 | 109 | } |
hdao9 | 1:85d63d7193e3 | 110 | |
hdao9 | 1:85d63d7193e3 | 111 | void check_winner() |
hdao9 | 1:85d63d7193e3 | 112 | { |
hdao9 | 1:85d63d7193e3 | 113 | //check 4 in a row |
hdao9 | 1:85d63d7193e3 | 114 | for (int r = 1; r < 9; r++) |
hdao9 | 1:85d63d7193e3 | 115 | { |
hdao9 | 1:85d63d7193e3 | 116 | for (int c = 1; c < 6; c++) |
hdao9 | 1:85d63d7193e3 | 117 | { |
hdao9 | 1:85d63d7193e3 | 118 | 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)) |
hdao9 | 1:85d63d7193e3 | 119 | {//have winner |
hdao9 | 1:85d63d7193e3 | 120 | row = r; col = c; winmode = 1; winningcolor = color; |
hdao9 | 2:1525f7ae330e | 121 | return; //avoid the uncessary of continue to check |
hdao9 | 1:85d63d7193e3 | 122 | } |
hdao9 | 1:85d63d7193e3 | 123 | } |
hdao9 | 1:85d63d7193e3 | 124 | } |
hdao9 | 1:85d63d7193e3 | 125 | //check 4 in a col |
hdao9 | 1:85d63d7193e3 | 126 | for (int c = 1; c < 9; c++) |
hdao9 | 1:85d63d7193e3 | 127 | { |
hdao9 | 1:85d63d7193e3 | 128 | for (int r = 1; r < 6; r++) |
hdao9 | 1:85d63d7193e3 | 129 | { |
hdao9 | 1:85d63d7193e3 | 130 | 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)) |
hdao9 | 1:85d63d7193e3 | 131 | {//have winner |
hdao9 | 1:85d63d7193e3 | 132 | row = r; col = c; winmode = 2; winningcolor = color; |
hdao9 | 2:1525f7ae330e | 133 | return; |
hdao9 | 1:85d63d7193e3 | 134 | } |
hdao9 | 1:85d63d7193e3 | 135 | } |
hdao9 | 1:85d63d7193e3 | 136 | } |
hdao9 | 1:85d63d7193e3 | 137 | //check 4 in a forward diagonal |
hdao9 | 1:85d63d7193e3 | 138 | for (int r = 3; r < 6; r++) |
hdao9 | 1:85d63d7193e3 | 139 | { |
hdao9 | 1:85d63d7193e3 | 140 | for (int c = 1; c < 5; c++) |
hdao9 | 1:85d63d7193e3 | 141 | { |
hdao9 | 1:85d63d7193e3 | 142 | 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)) |
hdao9 | 2:1525f7ae330e | 143 | {//have winner |
hdao9 | 1:85d63d7193e3 | 144 | row = r; col = c; winmode = 3; winningcolor = color; |
hdao9 | 2:1525f7ae330e | 145 | return; |
hdao9 | 1:85d63d7193e3 | 146 | } |
hdao9 | 1:85d63d7193e3 | 147 | } |
hdao9 | 1:85d63d7193e3 | 148 | } |
hdao9 | 1:85d63d7193e3 | 149 | //check 4 in a reverse diagonal |
hdao9 | 1:85d63d7193e3 | 150 | for (int r = 3; r < 6; r++) |
hdao9 | 1:85d63d7193e3 | 151 | { |
hdao9 | 1:85d63d7193e3 | 152 | for (int c = 4; c < 8; c++) |
hdao9 | 1:85d63d7193e3 | 153 | { |
hdao9 | 1:85d63d7193e3 | 154 | 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)) |
hdao9 | 2:1525f7ae330e | 155 | {//have winner |
hdao9 | 1:85d63d7193e3 | 156 | row = r; col = c; winmode = 4; winningcolor = color; |
hdao9 | 2:1525f7ae330e | 157 | return; |
hdao9 | 1:85d63d7193e3 | 158 | } |
hdao9 | 1:85d63d7193e3 | 159 | } |
hdao9 | 1:85d63d7193e3 | 160 | } |
hdao9 | 1:85d63d7193e3 | 161 | } |
hdao9 | 1:85d63d7193e3 | 162 | |
hdao9 | 2:1525f7ae330e | 163 | void right_hit_callback (void) { //move to the flashing neopixel to the right |
hdao9 | 0:f0807589902f | 164 | //led1 = !led1; |
hdao9 | 2:1525f7ae330e | 165 | strip.setPixel(pos, 0, 0, 0); //turn off the current neopixel |
hdao9 | 2:1525f7ae330e | 166 | if (pos < 6) pos = pos + 1; //move the neopixel to the right if not out of range |
hdao9 | 0:f0807589902f | 167 | } |
hdao9 | 2:1525f7ae330e | 168 | void left_hit_callback (void) { //move the flashing neopixel to the left |
hdao9 | 0:f0807589902f | 169 | //led3 = !led3; |
hdao9 | 0:f0807589902f | 170 | strip.setPixel(pos, 0, 0, 0); |
hdao9 | 0:f0807589902f | 171 | if (pos > 0) pos = pos - 1; |
hdao9 | 0:f0807589902f | 172 | } |
hdao9 | 0:f0807589902f | 173 | |
hdao9 | 0:f0807589902f | 174 | void center_hit_callback (void) { //drop the coin |
hdao9 | 2:1525f7ae330e | 175 | //turn off the flashing neopixel on top row |
hdao9 | 0:f0807589902f | 176 | strip.setPixel(pos, 0, 0, 0); |
hdao9 | 2:1525f7ae330e | 177 | //then coin need to appear at the current column, on the lowest row that not occupied |
hdao9 | 0:f0807589902f | 178 | col = pos + 1; |
hdao9 | 1:85d63d7193e3 | 179 | for(row = 8; row > 1; row-- ) |
hdao9 | 0:f0807589902f | 180 | { |
hdao9 | 2:1525f7ae330e | 181 | if (board.getNumber(row,col) == 0) break; //break out of loop when found the lowest unoccupied row |
hdao9 | 0:f0807589902f | 182 | } |
hdao9 | 2:1525f7ae330e | 183 | //convert to neopixel index to turn of that neopixel, but only if not all rows in 6x7 board are occupied |
hdao9 | 1:85d63d7193e3 | 184 | if (row > 2) strip.setPixel(matrix2index(row,col), color); |
hdao9 | 1:85d63d7193e3 | 185 | else return; |
hdao9 | 0:f0807589902f | 186 | //after added LED to that position |
hdao9 | 1:85d63d7193e3 | 187 | if (color == red) |
hdao9 | 1:85d63d7193e3 | 188 | { |
hdao9 | 1:85d63d7193e3 | 189 | board.add( row, col, 1.0);//update matrix to have a matrix to check winner |
hdao9 | 2:1525f7ae330e | 190 | check_winner(); //check if the winning move is made |
hdao9 | 1:85d63d7193e3 | 191 | color = blue; //change player/color |
hdao9 | 1:85d63d7193e3 | 192 | } |
hdao9 | 1:85d63d7193e3 | 193 | else |
hdao9 | 1:85d63d7193e3 | 194 | { |
hdao9 | 1:85d63d7193e3 | 195 | board.add( row, col, 2.0); |
hdao9 | 1:85d63d7193e3 | 196 | check_winner(); |
hdao9 | 1:85d63d7193e3 | 197 | color = red; |
hdao9 | 2:1525f7ae330e | 198 | } |
hdao9 | 0:f0807589902f | 199 | } |
hdao9 | 0:f0807589902f | 200 | |
hdao9 | 2:1525f7ae330e | 201 | int main() { |
hdao9 | 2:1525f7ae330e | 202 | //initialize the matrix to 0 meaning all rows and cols are unoccupied |
hdao9 | 2:1525f7ae330e | 203 | board << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 204 | << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 205 | << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 206 | << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 207 | << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 208 | << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 209 | << 0 << 0 << 0 << 0 << 0 << 0 << 0 |
hdao9 | 1:85d63d7193e3 | 210 | << 0 << 0 << 0 << 0 << 0 << 0 << 0; |
hdao9 | 1:85d63d7193e3 | 211 | |
hdao9 | 0:f0807589902f | 212 | // Use internal pullups for pushbutton |
hdao9 | 0:f0807589902f | 213 | right.mode(PullUp); |
hdao9 | 0:f0807589902f | 214 | left.mode(PullUp); |
hdao9 | 2:1525f7ae330e | 215 | center.mode(PullUp); |
hdao9 | 0:f0807589902f | 216 | // Delay for initial pullup to take effect |
hdao9 | 0:f0807589902f | 217 | wait(.05); |
hdao9 | 0:f0807589902f | 218 | // Setup Interrupt callback functions for a pb hit |
hdao9 | 0:f0807589902f | 219 | right.attach_deasserted(&right_hit_callback); //used to move coin |
hdao9 | 0:f0807589902f | 220 | left.attach_deasserted(&left_hit_callback); //used to move coin |
hdao9 | 0:f0807589902f | 221 | center.attach_deasserted(¢er_hit_callback); //used to drop coin |
hdao9 | 0:f0807589902f | 222 | // Start sampling pb inputs using interrupts |
hdao9 | 0:f0807589902f | 223 | right.setSampleFrequency(); |
hdao9 | 0:f0807589902f | 224 | left.setSampleFrequency(); |
hdao9 | 0:f0807589902f | 225 | center.setSampleFrequency(); |
hdao9 | 0:f0807589902f | 226 | wait(.01); |
hdao9 | 0:f0807589902f | 227 | |
hdao9 | 0:f0807589902f | 228 | float bright = 0.2; // 20% is plenty for indoor use |
hdao9 | 0:f0807589902f | 229 | strip.setBrightness(bright); // set default brightness |
hdao9 | 2:1525f7ae330e | 230 | alloff(); //initial all neopixels to off |
hdao9 | 0:f0807589902f | 231 | |
hdao9 | 2:1525f7ae330e | 232 | while(1) |
hdao9 | 0:f0807589902f | 233 | { |
hdao9 | 2:1525f7ae330e | 234 | //winmode is initialized to 0 (not won and the function return) |
hdao9 | 2:1525f7ae330e | 235 | //winmode is changed in check_winner |
hdao9 | 2:1525f7ae330e | 236 | //need to call display_winner here rather than calling from interrupt fuction because display_winner loop forever if the game is won |
hdao9 | 1:85d63d7193e3 | 237 | display_winner(winmode,row,col,winningcolor); |
hdao9 | 2:1525f7ae330e | 238 | //flashing the current position indicating which col will the disc be dropped at |
hdao9 | 0:f0807589902f | 239 | strip.setPixel(pos, color); |
hdao9 | 0:f0807589902f | 240 | strip.write(); |
hdao9 | 0:f0807589902f | 241 | wait(0.2); |
hdao9 | 0:f0807589902f | 242 | strip.setPixel(pos, 0, 0, 0); |
hdao9 | 0:f0807589902f | 243 | strip.write(); |
hdao9 | 0:f0807589902f | 244 | wait(0.2); |
hdao9 | 2:1525f7ae330e | 245 | } |
hdao9 | 0:f0807589902f | 246 | } |