ELEC2645 (2015/16) / Mbed 2 deprecated Tetis_Game

My ELEC2645 joystick project Tetris Game NAME: JIANWEI CHEN SID: 200879849

Dependencies:   N5110 SDFileSystem mbed

main.cpp@2:f427089e2bfa, 2016-04-26 (annotated)

Committer:
cjw851102
Date:
Tue Apr 26 00:14:57 2016 +0000
Revision:
2:f427089e2bfa
Parent:
1:2a758565f691
Child:
3:5494a0fb3a33
game finish

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cjw851102 0:12a1972fa0d0 1 #include "mbed.h"
cjw851102 0:12a1972fa0d0 2 #include "Patterns.h"
cjw851102 0:12a1972fa0d0 3 #include "N5110.h"
cjw851102 0:12a1972fa0d0 4
cjw851102 1:2a758565f691 5 #define DIRECTION_TOLERANCE 0.05
cjw851102 1:2a758565f691 6
cjw851102 0:12a1972fa0d0 7 //VCC, SCE, RST, D/C, MOSI,SCLK, LED
cjw851102 0:12a1972fa0d0 8 N5110 lcd(PTE26,PTA0,PTC4,PTD0,PTD2,PTD1,PTC3);
cjw851102 1:2a758565f691 9 AnalogIn yPot(PTB2);
cjw851102 1:2a758565f691 10 AnalogIn xPot(PTB3);
cjw851102 1:2a758565f691 11 DigitalIn button(PTB11);
cjw851102 0:12a1972fa0d0 12 Patterns patterns;
cjw851102 1:2a758565f691 13
cjw851102 1:2a758565f691 14 Ticker game;
cjw851102 1:2a758565f691 15 void game_isr();
cjw851102 1:2a758565f691 16 volatile int g_game_flag = 0;
cjw851102 1:2a758565f691 17
cjw851102 0:12a1972fa0d0 18 void drawPattern(int type,int rotation,int x,int y,int fill); // draw pattern at (x,y), fill = 0 white, fill = 1 black
cjw851102 0:12a1972fa0d0 19
cjw851102 0:12a1972fa0d0 20 void left_collisionDetect();
cjw851102 0:12a1972fa0d0 21 int left_collision_flag = 0;
cjw851102 0:12a1972fa0d0 22
cjw851102 0:12a1972fa0d0 23 void right_collisionDetect();
cjw851102 0:12a1972fa0d0 24 int right_collision_flag = 0;
cjw851102 0:12a1972fa0d0 25
cjw851102 2:f427089e2bfa 26 void bottom_collisionDetect();
cjw851102 2:f427089e2bfa 27 int bottom_collision_flag = 0;
cjw851102 2:f427089e2bfa 28
cjw851102 2:f427089e2bfa 29 void top_collisionDetect();
cjw851102 2:f427089e2bfa 30 int top_collision_flag = 0;
cjw851102 0:12a1972fa0d0 31
cjw851102 2:f427089e2bfa 32 void rotation_collisionDetect();
cjw851102 2:f427089e2bfa 33 int rotation_collision_flag = 0;
cjw851102 2:f427089e2bfa 34
cjw851102 2:f427089e2bfa 35 void fastmove_bottom_collisionDetect();
cjw851102 2:f427089e2bfa 36 int fastmove_bottom_collision_flag = 0;
cjw851102 0:12a1972fa0d0 37
cjw851102 0:12a1972fa0d0 38 struct Position {
cjw851102 0:12a1972fa0d0 39 float x;
cjw851102 0:12a1972fa0d0 40 float y;
cjw851102 0:12a1972fa0d0 41 int type;
cjw851102 0:12a1972fa0d0 42 int rotation;
cjw851102 0:12a1972fa0d0 43 };
cjw851102 0:12a1972fa0d0 44 typedef struct Position position;
cjw851102 0:12a1972fa0d0 45
cjw851102 1:2a758565f691 46 position pos;
cjw851102 0:12a1972fa0d0 47
cjw851102 0:12a1972fa0d0 48 void init_game();
cjw851102 1:2a758565f691 49 int typeArray[100];
cjw851102 1:2a758565f691 50 int rotationArray[100];
cjw851102 0:12a1972fa0d0 51
cjw851102 0:12a1972fa0d0 52 int pattern_buffer[6][6];
cjw851102 0:12a1972fa0d0 53 void get_pattern(int type, int rotatin);
cjw851102 0:12a1972fa0d0 54
cjw851102 0:12a1972fa0d0 55 void scan();
cjw851102 0:12a1972fa0d0 56 int buffer[84][48];
cjw851102 0:12a1972fa0d0 57
cjw851102 1:2a758565f691 58 // create enumerated type (0,1,2,3 etc. for direction)
cjw851102 1:2a758565f691 59 // could be extended for diagonals etc.
cjw851102 1:2a758565f691 60 enum DirectionName {
cjw851102 1:2a758565f691 61 UP,
cjw851102 1:2a758565f691 62 DOWN,
cjw851102 1:2a758565f691 63 LEFT,
cjw851102 1:2a758565f691 64 RIGHT,
cjw851102 1:2a758565f691 65 CENTRE,
cjw851102 1:2a758565f691 66 UNKNOWN
cjw851102 1:2a758565f691 67 };
cjw851102 1:2a758565f691 68 // struct for Joystick
cjw851102 1:2a758565f691 69 typedef struct JoyStick Joystick;
cjw851102 1:2a758565f691 70 struct JoyStick {
cjw851102 2:f427089e2bfa 71 double x; // current x value
cjw851102 2:f427089e2bfa 72 double x0; // 'centred' x value
cjw851102 2:f427089e2bfa 73 double y; // current y value
cjw851102 2:f427089e2bfa 74 double y0; // 'centred' y value
cjw851102 1:2a758565f691 75 int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
cjw851102 1:2a758565f691 76 DirectionName direction; // current direction
cjw851102 1:2a758565f691 77 };
cjw851102 1:2a758565f691 78 // create struct variable
cjw851102 1:2a758565f691 79 Joystick joystick;
cjw851102 1:2a758565f691 80 void calibrateJoystick();
cjw851102 1:2a758565f691 81 void updateJoystick();
cjw851102 1:2a758565f691 82
cjw851102 2:f427089e2bfa 83 void cancelLine();// if one line is filled, cancel it and add the score
cjw851102 2:f427089e2bfa 84 int score=0;
cjw851102 2:f427089e2bfa 85
cjw851102 2:f427089e2bfa 86 void finishAnimation();
cjw851102 2:f427089e2bfa 87
cjw851102 2:f427089e2bfa 88 int xOld;
cjw851102 2:f427089e2bfa 89 int typeCount = 0;
cjw851102 2:f427089e2bfa 90 int nextTypeCount;
cjw851102 2:f427089e2bfa 91
cjw851102 0:12a1972fa0d0 92 int main()
cjw851102 0:12a1972fa0d0 93 {
cjw851102 0:12a1972fa0d0 94 wait(2.0); // short delay for power to settle
cjw851102 0:12a1972fa0d0 95 lcd.init();
cjw851102 0:12a1972fa0d0 96 lcd.normalMode(); // normal colour mode
cjw851102 1:2a758565f691 97 lcd.setBrightness(1.0); // put LED backlight on 100%
cjw851102 0:12a1972fa0d0 98 init_game();
cjw851102 1:2a758565f691 99 game.attach(&game_isr,0.4);
cjw851102 1:2a758565f691 100 lcd.refresh();
cjw851102 0:12a1972fa0d0 101
cjw851102 2:f427089e2bfa 102
cjw851102 1:2a758565f691 103 calibrateJoystick();
cjw851102 0:12a1972fa0d0 104
cjw851102 1:2a758565f691 105
cjw851102 0:12a1972fa0d0 106 while (1) {
cjw851102 0:12a1972fa0d0 107
cjw851102 1:2a758565f691 108 if(g_game_flag==1) {
cjw851102 1:2a758565f691 109 g_game_flag = 0;
cjw851102 1:2a758565f691 110 pos.type = typeArray[typeCount];
cjw851102 2:f427089e2bfa 111 nextTypeCount=typeCount+1;
cjw851102 2:f427089e2bfa 112 if (nextTypeCount>99) {
cjw851102 2:f427089e2bfa 113 nextTypeCount=0;
cjw851102 2:f427089e2bfa 114 }
cjw851102 2:f427089e2bfa 115 drawPattern(typeArray[nextTypeCount],0,55,41,1);// draw next pattern
cjw851102 2:f427089e2bfa 116 if (pos.y >= -5) { // clear previous pattern
cjw851102 1:2a758565f691 117 drawPattern(pos.type,pos.rotation,xOld,pos.y-1,0);
cjw851102 1:2a758565f691 118 }
cjw851102 1:2a758565f691 119 updateJoystick();
cjw851102 2:f427089e2bfa 120 top_collisionDetect();
cjw851102 2:f427089e2bfa 121 if (top_collision_flag == 1) {
cjw851102 2:f427089e2bfa 122 finishAnimation();
cjw851102 2:f427089e2bfa 123 lcd.clear();
cjw851102 2:f427089e2bfa 124 char scoreBuffer[14];
cjw851102 2:f427089e2bfa 125 sprintf(scoreBuffer,"%d",score);
cjw851102 2:f427089e2bfa 126 lcd.printString("SCORE IS: ",10,2);
cjw851102 2:f427089e2bfa 127 lcd.printString(scoreBuffer,35,3);
cjw851102 2:f427089e2bfa 128 lcd.refresh();
cjw851102 2:f427089e2bfa 129 break;
cjw851102 2:f427089e2bfa 130 }
cjw851102 1:2a758565f691 131 switch(joystick.direction) {
cjw851102 1:2a758565f691 132 case UP:
cjw851102 2:f427089e2bfa 133 rotation_collisionDetect();
cjw851102 2:f427089e2bfa 134 if(rotation_collision_flag == 0) {
cjw851102 2:f427089e2bfa 135 pos.rotation++;
cjw851102 2:f427089e2bfa 136 if (pos.rotation>3) {
cjw851102 2:f427089e2bfa 137 pos.rotation=0;
cjw851102 2:f427089e2bfa 138 }
cjw851102 2:f427089e2bfa 139 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 2:f427089e2bfa 140 } else {// if collision
cjw851102 2:f427089e2bfa 141 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 2:f427089e2bfa 142 }
cjw851102 1:2a758565f691 143 break;
cjw851102 1:2a758565f691 144 case DOWN:
cjw851102 2:f427089e2bfa 145 fastmove_bottom_collisionDetect();
cjw851102 2:f427089e2bfa 146 if (fastmove_bottom_collision_flag == 0) {
cjw851102 2:f427089e2bfa 147 pos.y +=4;
cjw851102 2:f427089e2bfa 148 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 2:f427089e2bfa 149 } else {
cjw851102 2:f427089e2bfa 150 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 2:f427089e2bfa 151 }
cjw851102 1:2a758565f691 152 break;
cjw851102 1:2a758565f691 153 case RIGHT:
cjw851102 1:2a758565f691 154 right_collisionDetect();
cjw851102 1:2a758565f691 155 /*
cjw851102 1:2a758565f691 156 for (int i=0; i<=5; i++) {
cjw851102 1:2a758565f691 157 for (int j=0; j<=5; j++) {
cjw851102 1:2a758565f691 158 if(right_boundary[i][j] ==1) {
cjw851102 1:2a758565f691 159 lcd.setPixel(i,j);
cjw851102 1:2a758565f691 160 }
cjw851102 1:2a758565f691 161 }
cjw851102 1:2a758565f691 162 }
cjw851102 1:2a758565f691 163 */
cjw851102 1:2a758565f691 164 if( right_collision_flag == 0) {
cjw851102 1:2a758565f691 165 pos.x +=2;
cjw851102 1:2a758565f691 166 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 1:2a758565f691 167 } else {
cjw851102 1:2a758565f691 168 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 1:2a758565f691 169 }
cjw851102 1:2a758565f691 170 break;
cjw851102 1:2a758565f691 171 case LEFT:
cjw851102 1:2a758565f691 172 left_collisionDetect();
cjw851102 1:2a758565f691 173 if( left_collision_flag == 0) {
cjw851102 1:2a758565f691 174 pos.x -=2;
cjw851102 1:2a758565f691 175 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 1:2a758565f691 176 } else {
cjw851102 1:2a758565f691 177 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 1:2a758565f691 178 }
cjw851102 1:2a758565f691 179 break;
cjw851102 1:2a758565f691 180 case CENTRE:
cjw851102 1:2a758565f691 181 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 1:2a758565f691 182 break;
cjw851102 1:2a758565f691 183 case UNKNOWN:
cjw851102 1:2a758565f691 184 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);
cjw851102 1:2a758565f691 185 break;
cjw851102 1:2a758565f691 186 }
cjw851102 1:2a758565f691 187
cjw851102 1:2a758565f691 188 xOld = pos.x;
cjw851102 2:f427089e2bfa 189 bottom_collisionDetect();
cjw851102 2:f427089e2bfa 190 if (bottom_collision_flag == 0) {
cjw851102 1:2a758565f691 191 pos.y++;
cjw851102 1:2a758565f691 192 } else {
cjw851102 2:f427089e2bfa 193 drawPattern(pos.type,pos.rotation,pos.x,pos.y,1);// fix pattern
cjw851102 2:f427089e2bfa 194 cancelLine();
cjw851102 2:f427089e2bfa 195 pos.x = 10;
cjw851102 2:f427089e2bfa 196 pos.y = -6;
cjw851102 2:f427089e2bfa 197 pos.rotation=0;
cjw851102 2:f427089e2bfa 198 drawPattern(typeArray[nextTypeCount],pos.rotation,55,41,0);// clear the old next pattern
cjw851102 2:f427089e2bfa 199 typeCount ++;
cjw851102 2:f427089e2bfa 200 if (typeCount >99) {
cjw851102 2:f427089e2bfa 201 typeCount = 0;
cjw851102 2:f427089e2bfa 202 }
cjw851102 1:2a758565f691 203 }
cjw851102 2:f427089e2bfa 204
cjw851102 1:2a758565f691 205 }
cjw851102 1:2a758565f691 206 lcd.refresh();
cjw851102 0:12a1972fa0d0 207 }
cjw851102 0:12a1972fa0d0 208
cjw851102 0:12a1972fa0d0 209 }
cjw851102 0:12a1972fa0d0 210
cjw851102 0:12a1972fa0d0 211 void init_game()
cjw851102 0:12a1972fa0d0 212 {
cjw851102 1:2a758565f691 213 pos.x = 10;
cjw851102 1:2a758565f691 214 pos.y = -6;
cjw851102 2:f427089e2bfa 215 pos.rotation=0;
cjw851102 1:2a758565f691 216 for(int i=0; i<=99; i++) {
cjw851102 1:2a758565f691 217 typeArray[i] = rand()%7;
cjw851102 1:2a758565f691 218 rotationArray[i] = rand()%5;
cjw851102 1:2a758565f691 219 }
cjw851102 1:2a758565f691 220 lcd.drawLine(30,0,30,47,1);
cjw851102 1:2a758565f691 221 lcd.printString("Level:",42,0);
cjw851102 1:2a758565f691 222 lcd.printString("easy",42,1);
cjw851102 1:2a758565f691 223 lcd.printString("Score:",42,2);
cjw851102 2:f427089e2bfa 224 lcd.printString("0",42,3);
cjw851102 1:2a758565f691 225 lcd.printString("Next:",42,4);
cjw851102 1:2a758565f691 226
cjw851102 0:12a1972fa0d0 227 }
cjw851102 0:12a1972fa0d0 228
cjw851102 0:12a1972fa0d0 229 void get_pattern(int type, int rotation)
cjw851102 0:12a1972fa0d0 230 {
cjw851102 0:12a1972fa0d0 231 for(int i=0; i<=5; i++) {
cjw851102 0:12a1972fa0d0 232 for(int j=0; j<=5; j++) {
cjw851102 0:12a1972fa0d0 233 pattern_buffer[i][j] = patterns.getPatterns(type,rotation,j,i); // return pattern[type][rotation][y][x];
cjw851102 0:12a1972fa0d0 234 }
cjw851102 0:12a1972fa0d0 235 }
cjw851102 0:12a1972fa0d0 236 }
cjw851102 0:12a1972fa0d0 237
cjw851102 0:12a1972fa0d0 238 void scan()
cjw851102 0:12a1972fa0d0 239 {
cjw851102 0:12a1972fa0d0 240 for (int i=0; i<=83; i++) {
cjw851102 0:12a1972fa0d0 241 for (int j=0; j<=47; j++) {
cjw851102 0:12a1972fa0d0 242 if(lcd.getPixel(i,j)) {
cjw851102 0:12a1972fa0d0 243 buffer[i][j] = 1;
cjw851102 0:12a1972fa0d0 244 } else {
cjw851102 0:12a1972fa0d0 245 buffer[i][j] = 0;
cjw851102 0:12a1972fa0d0 246 }
cjw851102 0:12a1972fa0d0 247 }
cjw851102 0:12a1972fa0d0 248 }
cjw851102 0:12a1972fa0d0 249 }
cjw851102 0:12a1972fa0d0 250
cjw851102 0:12a1972fa0d0 251
cjw851102 0:12a1972fa0d0 252 void drawPattern(int type,int rotation,int x,int y,int fill)
cjw851102 0:12a1972fa0d0 253 {
cjw851102 0:12a1972fa0d0 254 get_pattern(type,rotation);
cjw851102 0:12a1972fa0d0 255 for(int i=x; i <= x+5; i++) { // (x,y) is the left top point of a 6*6 square
cjw851102 0:12a1972fa0d0 256 for(int j=y; j <= y+5; j++) {
cjw851102 1:2a758565f691 257 if (j>=0) {
cjw851102 1:2a758565f691 258 if(pattern_buffer[i-x][j-y]==1) {
cjw851102 1:2a758565f691 259 if (fill==0) {
cjw851102 2:f427089e2bfa 260 if (j<=47 && i>=0) {
cjw851102 1:2a758565f691 261 lcd.clearPixel(i,j);
cjw851102 1:2a758565f691 262 }
cjw851102 1:2a758565f691 263 } else if (fill==1) {
cjw851102 2:f427089e2bfa 264 if (j<=47 && i>=0) {
cjw851102 1:2a758565f691 265 lcd.setPixel(i,j);
cjw851102 1:2a758565f691 266 }
cjw851102 1:2a758565f691 267 }
cjw851102 0:12a1972fa0d0 268 }
cjw851102 0:12a1972fa0d0 269 }
cjw851102 0:12a1972fa0d0 270 }
cjw851102 0:12a1972fa0d0 271 }
cjw851102 0:12a1972fa0d0 272 }
cjw851102 0:12a1972fa0d0 273
cjw851102 0:12a1972fa0d0 274 void left_collisionDetect()
cjw851102 0:12a1972fa0d0 275 {
cjw851102 2:f427089e2bfa 276 int left_boundary[6][6];
cjw851102 1:2a758565f691 277 get_pattern(pos.type,pos.rotation);
cjw851102 2:f427089e2bfa 278
cjw851102 0:12a1972fa0d0 279 // get the left boundary pattern
cjw851102 1:2a758565f691 280 for (int j=0; j<=5; j++) { //
cjw851102 1:2a758565f691 281 for (int i=0; i<=5; i++) {
cjw851102 0:12a1972fa0d0 282 if (pattern_buffer[i][j]==1) {
cjw851102 0:12a1972fa0d0 283 left_boundary[i][j]=1;
cjw851102 1:2a758565f691 284 for(int k=i+1; k<=5; k++) {
cjw851102 0:12a1972fa0d0 285 left_boundary[k][j] = 0;
cjw851102 0:12a1972fa0d0 286 }
cjw851102 1:2a758565f691 287 break;
cjw851102 0:12a1972fa0d0 288 } else {
cjw851102 0:12a1972fa0d0 289 left_boundary[i][j]=0;
cjw851102 0:12a1972fa0d0 290 }
cjw851102 0:12a1972fa0d0 291 }
cjw851102 0:12a1972fa0d0 292 }
cjw851102 0:12a1972fa0d0 293
cjw851102 0:12a1972fa0d0 294 //check left collision
cjw851102 1:2a758565f691 295 int x = pos.x;
cjw851102 1:2a758565f691 296 int y = pos.y;
cjw851102 1:2a758565f691 297 if (x<0) {
cjw851102 1:2a758565f691 298 left_collision_flag = 1;
cjw851102 1:2a758565f691 299 } else {
cjw851102 1:2a758565f691 300 for(int i=x; i <= x+5; i++) { // (x,y) is the left top point of a 6*6 square
cjw851102 1:2a758565f691 301 for(int j=y; j <= y+5; j++) {
cjw851102 1:2a758565f691 302 if(left_boundary[i-x][j-y]==1) {
cjw851102 1:2a758565f691 303 if(i == 0) {
cjw851102 1:2a758565f691 304 left_collision_flag = 1;
cjw851102 1:2a758565f691 305 break;
cjw851102 2:f427089e2bfa 306 } else if (lcd.getPixel(i-1,j)) {
cjw851102 1:2a758565f691 307 left_collision_flag = 1;
cjw851102 1:2a758565f691 308 break;
cjw851102 1:2a758565f691 309 } else {
cjw851102 1:2a758565f691 310 left_collision_flag = 0;
cjw851102 0:12a1972fa0d0 311 }
cjw851102 0:12a1972fa0d0 312 }
cjw851102 2:f427089e2bfa 313 }
cjw851102 2:f427089e2bfa 314 if (left_collision_flag == 1) {
cjw851102 2:f427089e2bfa 315 break;
cjw851102 0:12a1972fa0d0 316 }
cjw851102 0:12a1972fa0d0 317 }
cjw851102 0:12a1972fa0d0 318 }
cjw851102 0:12a1972fa0d0 319 }
cjw851102 0:12a1972fa0d0 320
cjw851102 1:2a758565f691 321
cjw851102 0:12a1972fa0d0 322 void right_collisionDetect()
cjw851102 0:12a1972fa0d0 323 {
cjw851102 0:12a1972fa0d0 324 int right_boundary[6][6];
cjw851102 1:2a758565f691 325 get_pattern(pos.type,pos.rotation);
cjw851102 0:12a1972fa0d0 326 // get the left boundary pattern
cjw851102 1:2a758565f691 327 for (int j=0; j<=5; j++) {
cjw851102 1:2a758565f691 328 for (int i=5; i>=0; i--) {
cjw851102 0:12a1972fa0d0 329 if (pattern_buffer[i][j]==1) {
cjw851102 0:12a1972fa0d0 330 right_boundary[i][j]=1;
cjw851102 0:12a1972fa0d0 331 for(int k=i-1; k>=0; k--) {
cjw851102 0:12a1972fa0d0 332 right_boundary[k][j] = 0;
cjw851102 0:12a1972fa0d0 333 }
cjw851102 1:2a758565f691 334 break;
cjw851102 0:12a1972fa0d0 335 } else {
cjw851102 0:12a1972fa0d0 336 right_boundary[i][j]=0;
cjw851102 0:12a1972fa0d0 337 }
cjw851102 0:12a1972fa0d0 338 }
cjw851102 0:12a1972fa0d0 339 }
cjw851102 0:12a1972fa0d0 340
cjw851102 0:12a1972fa0d0 341 //check left collision
cjw851102 1:2a758565f691 342 int x = pos.x;
cjw851102 1:2a758565f691 343 int y = pos.y;
cjw851102 0:12a1972fa0d0 344 for(int i = x; i <= x+5; i++) { // (x,y) is the left top point of a 6*6 square
cjw851102 0:12a1972fa0d0 345 for(int j=y; j <= y+5; j++) {
cjw851102 0:12a1972fa0d0 346 if(right_boundary[i-x][j-y]==1) {
cjw851102 1:2a758565f691 347 if(j>=0) {
cjw851102 1:2a758565f691 348 if(i >= 29) {
cjw851102 1:2a758565f691 349 right_collision_flag = 1;
cjw851102 1:2a758565f691 350 break;
cjw851102 2:f427089e2bfa 351 } else if (lcd.getPixel(i+1,j)) {
cjw851102 1:2a758565f691 352 right_collision_flag = 1;
cjw851102 1:2a758565f691 353 break;
cjw851102 1:2a758565f691 354 } else {
cjw851102 1:2a758565f691 355 right_collision_flag = 0;
cjw851102 0:12a1972fa0d0 356 }
cjw851102 0:12a1972fa0d0 357 }
cjw851102 0:12a1972fa0d0 358 }
cjw851102 2:f427089e2bfa 359 }
cjw851102 2:f427089e2bfa 360 if (right_collision_flag == 1) {
cjw851102 2:f427089e2bfa 361 break;
cjw851102 0:12a1972fa0d0 362 }
cjw851102 0:12a1972fa0d0 363
cjw851102 0:12a1972fa0d0 364 }
cjw851102 0:12a1972fa0d0 365 }
cjw851102 0:12a1972fa0d0 366
cjw851102 0:12a1972fa0d0 367 void bottom_collisionDetect()
cjw851102 0:12a1972fa0d0 368 {
cjw851102 2:f427089e2bfa 369 int bot_boundary[6][6];
cjw851102 1:2a758565f691 370 get_pattern(pos.type,pos.rotation);
cjw851102 0:12a1972fa0d0 371 // get the left boundary pattern
cjw851102 1:2a758565f691 372 for (int i=0; i<=5; i++) {
cjw851102 1:2a758565f691 373 for (int j=5; j>=0; j--) {
cjw851102 0:12a1972fa0d0 374 if (pattern_buffer[i][j]==1) {
cjw851102 0:12a1972fa0d0 375 bot_boundary[i][j]=1;
cjw851102 2:f427089e2bfa 376 for(int k=j-1; k>=0; k--) {
cjw851102 0:12a1972fa0d0 377 bot_boundary[i][k] = 0;
cjw851102 0:12a1972fa0d0 378 }
cjw851102 2:f427089e2bfa 379 break;
cjw851102 0:12a1972fa0d0 380 } else {
cjw851102 0:12a1972fa0d0 381 bot_boundary[i][j]=0;
cjw851102 0:12a1972fa0d0 382 }
cjw851102 0:12a1972fa0d0 383 }
cjw851102 0:12a1972fa0d0 384 }
cjw851102 0:12a1972fa0d0 385
cjw851102 0:12a1972fa0d0 386 //check left collision
cjw851102 1:2a758565f691 387 int x = pos.x;
cjw851102 1:2a758565f691 388 int y = pos.y;
cjw851102 0:12a1972fa0d0 389 for(int i = x; i <= x+5; i++) { // (x,y) is the left top point of a 6*6 square
cjw851102 2:f427089e2bfa 390 for(int j=y+5; j >= y; j--) {
cjw851102 2:f427089e2bfa 391 if (j>=-1) {
cjw851102 2:f427089e2bfa 392 if(bot_boundary[i-x][j-y]==1) {
cjw851102 2:f427089e2bfa 393 if(j >= 47) {
cjw851102 2:f427089e2bfa 394 bottom_collision_flag = 1;
cjw851102 2:f427089e2bfa 395 break;
cjw851102 2:f427089e2bfa 396 } else if (lcd.getPixel(i,j+1)) {
cjw851102 2:f427089e2bfa 397 bottom_collision_flag = 1;
cjw851102 2:f427089e2bfa 398 break;
cjw851102 2:f427089e2bfa 399 } else {
cjw851102 2:f427089e2bfa 400 bottom_collision_flag = 0;
cjw851102 2:f427089e2bfa 401 }
cjw851102 2:f427089e2bfa 402 }
cjw851102 2:f427089e2bfa 403 } else {
cjw851102 2:f427089e2bfa 404 bottom_collision_flag = 0;
cjw851102 2:f427089e2bfa 405 }
cjw851102 2:f427089e2bfa 406 }
cjw851102 2:f427089e2bfa 407 if( bottom_collision_flag == 1) {
cjw851102 2:f427089e2bfa 408 break;
cjw851102 2:f427089e2bfa 409 }
cjw851102 2:f427089e2bfa 410 }
cjw851102 2:f427089e2bfa 411 }
cjw851102 2:f427089e2bfa 412
cjw851102 2:f427089e2bfa 413 void rotation_collisionDetect()
cjw851102 2:f427089e2bfa 414 {
cjw851102 2:f427089e2bfa 415 int rotation = pos.rotation+1;
cjw851102 2:f427089e2bfa 416 if (rotation>3) {
cjw851102 2:f427089e2bfa 417 rotation=0;
cjw851102 2:f427089e2bfa 418 }
cjw851102 2:f427089e2bfa 419 get_pattern(pos.type,rotation);
cjw851102 2:f427089e2bfa 420
cjw851102 2:f427089e2bfa 421 //check
cjw851102 2:f427089e2bfa 422 int x = pos.x;
cjw851102 2:f427089e2bfa 423 int y = pos.y;
cjw851102 2:f427089e2bfa 424 for(int i = x; i <= x+5; i++) { // (x,y) is the left top point of a 6*6 square
cjw851102 0:12a1972fa0d0 425 for(int j=y; j <= y+5; j++) {
cjw851102 2:f427089e2bfa 426 if(pattern_buffer[i-x][j-y]==1) {
cjw851102 2:f427089e2bfa 427 if(i<0) {
cjw851102 2:f427089e2bfa 428 rotation_collision_flag = 1;
cjw851102 2:f427089e2bfa 429 } else if(lcd.getPixel(i,j)) {
cjw851102 2:f427089e2bfa 430 rotation_collision_flag = 1;
cjw851102 2:f427089e2bfa 431 break;
cjw851102 1:2a758565f691 432 } else {
cjw851102 2:f427089e2bfa 433 rotation_collision_flag = 0;
cjw851102 0:12a1972fa0d0 434 }
cjw851102 0:12a1972fa0d0 435 }
cjw851102 0:12a1972fa0d0 436 }
cjw851102 2:f427089e2bfa 437 if (rotation_collision_flag == 1) {
cjw851102 2:f427089e2bfa 438 break;
cjw851102 2:f427089e2bfa 439 }
cjw851102 2:f427089e2bfa 440 }
cjw851102 2:f427089e2bfa 441 }
cjw851102 0:12a1972fa0d0 442
cjw851102 2:f427089e2bfa 443 void top_collisionDetect()
cjw851102 2:f427089e2bfa 444 {
cjw851102 2:f427089e2bfa 445 if (pos.y==-6) {
cjw851102 2:f427089e2bfa 446 bottom_collisionDetect();
cjw851102 2:f427089e2bfa 447 if (bottom_collision_flag == 1) {
cjw851102 2:f427089e2bfa 448 top_collision_flag = 1;
cjw851102 2:f427089e2bfa 449 } else {
cjw851102 2:f427089e2bfa 450 top_collision_flag = 0;
cjw851102 2:f427089e2bfa 451 }
cjw851102 2:f427089e2bfa 452 }
cjw851102 2:f427089e2bfa 453 }
cjw851102 2:f427089e2bfa 454
cjw851102 2:f427089e2bfa 455 void fastmove_bottom_collisionDetect()
cjw851102 2:f427089e2bfa 456 {
cjw851102 2:f427089e2bfa 457 int bot_boundary[6][6];
cjw851102 2:f427089e2bfa 458 get_pattern(pos.type,pos.rotation);
cjw851102 2:f427089e2bfa 459 // get the left boundary pattern
cjw851102 2:f427089e2bfa 460 for (int i=0; i<=5; i++) {
cjw851102 2:f427089e2bfa 461 for (int j=5; j>=0; j--) {
cjw851102 2:f427089e2bfa 462 if (pattern_buffer[i][j]==1) {
cjw851102 2:f427089e2bfa 463 bot_boundary[i][j]=1;
cjw851102 2:f427089e2bfa 464 for(int k=j-1; k>=0; k--) {
cjw851102 2:f427089e2bfa 465 bot_boundary[i][k] = 0;
cjw851102 2:f427089e2bfa 466 }
cjw851102 2:f427089e2bfa 467 break;
cjw851102 2:f427089e2bfa 468 } else {
cjw851102 2:f427089e2bfa 469 bot_boundary[i][j]=0;
cjw851102 2:f427089e2bfa 470 }
cjw851102 2:f427089e2bfa 471 }
cjw851102 2:f427089e2bfa 472 }
cjw851102 2:f427089e2bfa 473
cjw851102 2:f427089e2bfa 474 //check left collision
cjw851102 2:f427089e2bfa 475 int x = pos.x;
cjw851102 2:f427089e2bfa 476 int y = pos.y;
cjw851102 2:f427089e2bfa 477 for(int i = x; i <= x+5; i++) { // (x,y) is the left top point of a 6*6 square
cjw851102 2:f427089e2bfa 478 for(int j=y+5; j >= y; j--) {
cjw851102 2:f427089e2bfa 479 if (j>=-1) {
cjw851102 2:f427089e2bfa 480 if(bot_boundary[i-x][j-y]==1) {
cjw851102 2:f427089e2bfa 481 if(j >= 47) {
cjw851102 2:f427089e2bfa 482 fastmove_bottom_collision_flag = 1;
cjw851102 2:f427089e2bfa 483 break;
cjw851102 2:f427089e2bfa 484 } else if (lcd.getPixel(i,j+4)) {
cjw851102 2:f427089e2bfa 485 fastmove_bottom_collision_flag = 1;
cjw851102 2:f427089e2bfa 486 break;
cjw851102 2:f427089e2bfa 487 } else {
cjw851102 2:f427089e2bfa 488 fastmove_bottom_collision_flag = 0;
cjw851102 2:f427089e2bfa 489 }
cjw851102 2:f427089e2bfa 490 }
cjw851102 2:f427089e2bfa 491 } else {
cjw851102 2:f427089e2bfa 492 fastmove_bottom_collision_flag = 0;
cjw851102 2:f427089e2bfa 493 }
cjw851102 2:f427089e2bfa 494 }
cjw851102 2:f427089e2bfa 495 if( fastmove_bottom_collision_flag == 1) {
cjw851102 2:f427089e2bfa 496 break;
cjw851102 2:f427089e2bfa 497 }
cjw851102 0:12a1972fa0d0 498 }
cjw851102 1:2a758565f691 499 }
cjw851102 1:2a758565f691 500
cjw851102 1:2a758565f691 501 void game_isr()
cjw851102 1:2a758565f691 502 {
cjw851102 1:2a758565f691 503 g_game_flag = 1;
cjw851102 1:2a758565f691 504 }
cjw851102 1:2a758565f691 505
cjw851102 1:2a758565f691 506 // read default positions of the joystick to calibrate later readings
cjw851102 1:2a758565f691 507 void calibrateJoystick()
cjw851102 1:2a758565f691 508 {
cjw851102 1:2a758565f691 509 button.mode(PullDown);
cjw851102 1:2a758565f691 510 // must not move during calibration
cjw851102 1:2a758565f691 511 joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
cjw851102 1:2a758565f691 512 joystick.y0 = yPot;
cjw851102 1:2a758565f691 513 }
cjw851102 1:2a758565f691 514
cjw851102 1:2a758565f691 515 void updateJoystick()
cjw851102 1:2a758565f691 516 {
cjw851102 1:2a758565f691 517 // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
cjw851102 1:2a758565f691 518 joystick.x = xPot - joystick.x0;
cjw851102 1:2a758565f691 519 joystick.y = yPot - joystick.y0;
cjw851102 1:2a758565f691 520 // read button state
cjw851102 1:2a758565f691 521 joystick.button = button;
cjw851102 1:2a758565f691 522
cjw851102 1:2a758565f691 523 // calculate direction depending on x,y values
cjw851102 1:2a758565f691 524 // tolerance allows a little lee-way in case joystick not exactly in the stated direction
cjw851102 1:2a758565f691 525 if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
cjw851102 1:2a758565f691 526 joystick.direction = CENTRE;
cjw851102 1:2a758565f691 527 } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
cjw851102 1:2a758565f691 528 joystick.direction = UP;
cjw851102 1:2a758565f691 529 } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
cjw851102 1:2a758565f691 530 joystick.direction = DOWN;
cjw851102 1:2a758565f691 531 } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
cjw851102 1:2a758565f691 532 joystick.direction = RIGHT;
cjw851102 1:2a758565f691 533 } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
cjw851102 1:2a758565f691 534 joystick.direction = LEFT;
cjw851102 1:2a758565f691 535 } else {
cjw851102 1:2a758565f691 536 joystick.direction = UNKNOWN;
cjw851102 1:2a758565f691 537 }
cjw851102 1:2a758565f691 538
cjw851102 2:f427089e2bfa 539 }
cjw851102 2:f427089e2bfa 540
cjw851102 2:f427089e2bfa 541 void cancelLine()
cjw851102 2:f427089e2bfa 542 {
cjw851102 2:f427089e2bfa 543 // int linePattern[30][2]; //the pixel setting for one line(30x2 square)
cjw851102 2:f427089e2bfa 544 int count;
cjw851102 2:f427089e2bfa 545 for(int j=0; j<=46; j+=2) {
cjw851102 2:f427089e2bfa 546 for(int i=0; i<=29; i++) {
cjw851102 2:f427089e2bfa 547 if (lcd.getPixel(i,j)==0||lcd.getPixel(i,j+1)==0) {
cjw851102 2:f427089e2bfa 548 count=0;
cjw851102 2:f427089e2bfa 549 break;
cjw851102 2:f427089e2bfa 550 } else if (lcd.getPixel(i,j)&&lcd.getPixel(i,j+1)) {
cjw851102 2:f427089e2bfa 551 count++;
cjw851102 2:f427089e2bfa 552 }
cjw851102 2:f427089e2bfa 553 }
cjw851102 2:f427089e2bfa 554 if(count==30) { // one line is filled
cjw851102 2:f427089e2bfa 555 count=0;
cjw851102 2:f427089e2bfa 556 lcd.drawRect(0,j,29,1,2); //clear the line
cjw851102 2:f427089e2bfa 557 score+=10; // add the score
cjw851102 2:f427089e2bfa 558 //print the score
cjw851102 2:f427089e2bfa 559 char scoreBuffer[14];
cjw851102 2:f427089e2bfa 560 sprintf(scoreBuffer,"%d",score);
cjw851102 2:f427089e2bfa 561 lcd.printString(scoreBuffer,42,3);
cjw851102 2:f427089e2bfa 562 scan();
cjw851102 2:f427089e2bfa 563 // move the patterns upon the line down for 2 pixels' hight
cjw851102 2:f427089e2bfa 564 for (int x=0; x<=29; x++) {
cjw851102 2:f427089e2bfa 565 for (int y=j; y>=0; y--) {
cjw851102 2:f427089e2bfa 566 if (buffer[x][y]) {
cjw851102 2:f427089e2bfa 567 lcd.clearPixel(x,y);
cjw851102 2:f427089e2bfa 568 lcd.setPixel(x,y+2);
cjw851102 2:f427089e2bfa 569 }
cjw851102 2:f427089e2bfa 570 }
cjw851102 2:f427089e2bfa 571 }
cjw851102 2:f427089e2bfa 572 }
cjw851102 2:f427089e2bfa 573 }
cjw851102 2:f427089e2bfa 574 }
cjw851102 2:f427089e2bfa 575
cjw851102 2:f427089e2bfa 576 void finishAnimation()
cjw851102 2:f427089e2bfa 577 {
cjw851102 2:f427089e2bfa 578 for (int j=47; j>=0; j--) {
cjw851102 2:f427089e2bfa 579 lcd.drawRect(0,j,29,1,1);
cjw851102 2:f427089e2bfa 580 wait(0.05);
cjw851102 2:f427089e2bfa 581 lcd.refresh();
cjw851102 2:f427089e2bfa 582 }
cjw851102 2:f427089e2bfa 583 }
cjw851102 2:f427089e2bfa 584
cjw851102 2:f427089e2bfa 585
cjw851102 2:f427089e2bfa 586