FRDM-K64F Code Share
Snake game on nokia N5110 LCD
Dependencies: mbed
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Snakelib.h
00001 #ifndef E_SNAKE_H 00002 #define E_SNAKE_H 00003 #include <cstdlib> 00004 #include "mbed.h" 00005 #include "N5110.h" 00006 #include "Helper.h" 00007 class Snakelib 00008 { 00009 static const bool SnakeTypes [2][6][3][3]; 00010 static const bool SnakeFood [5][3][3]; 00011 static const int Pos [2][3][3]; 00012 short Snake [438][2]; 00013 static const double Speeds [10]; 00014 static const unsigned char Points[10]; 00015 AnalogIn VX, VY; 00016 InterruptIn SW; 00017 int HScore, Score; 00018 int SnakeLen, Speed; 00019 int SnakeType, FoodType; 00020 int eX, eY, pX, pY, Dir; 00021 bool Moved, Pause, Draw, Started; 00022 N5110 DISP; 00023 DigitalOut ENBL; 00024 Ticker TJoy, TMove; 00025 Timer Dbnc; 00026 Ticker T; 00027 void SetBlock (int Block = 0, int X = 1, int Y = 1) 00028 { 00029 for (int a = 0; a < 3; ++a) 00030 for (int b = 0; b < 3; ++b) 00031 if (Block == 2 && SnakeFood [FoodType][a][b]) 00032 DISP.setPixel (X + Pos[0][a][b], Y + Pos[1][a][b]); 00033 else if (Block < 2 && SnakeTypes [Block][SnakeType][a][b]) 00034 DISP.setPixel (X + Pos[0][a][b], Y + Pos[1][a][b]); 00035 } 00036 int Rand (int Min = 1, int Max = 83) 00037 { 00038 static bool First = true; 00039 if (First) srand (time (NULL)), First = false; 00040 while (7) 00041 { 00042 int S = rand () % (Max - Min + 1) + Min; 00043 if (!((S - 1) % 3)) return S; 00044 } 00045 } 00046 void GameOver () 00047 { 00048 00049 //FlashB(); 00050 wait (2); 00051 DISP.clear(); 00052 DISP.setXYAddress (0, 0); 00053 DISP.printString ("END!", 29, 0); 00054 DISP.printString ("Score: ", 10, 2); 00055 char Buff[20]; 00056 ToString (Buff, Score); 00057 DISP.printString (Buff, 50, 2); 00058 DISP.printString ("Best: ", 10, 4); 00059 ToString (Buff, HScore); 00060 DISP.printString (Buff, 50, 4); 00061 eX = eY = 0; // 00062 Started = false; 00063 wait (3); 00064 Restart(); 00065 } 00066 void Prekuco() 00067 { 00068 DISP.clear(); 00069 DISP.setXYAddress (0, 0); 00070 DISP.printString ("Well done!!!!!", 0, 0); 00071 DISP.printString ("Congrats", 0, 2); 00072 eX = eY = 0; 00073 Started = false; 00074 wait (3); 00075 Restart(); 00076 } 00077 void HitFood () 00078 { 00079 if (Snake [0][0] == pX && Snake [0][1] == pY) 00080 { 00081 Score += Points[Speed - 1]; 00082 AddSnakeBody(); 00083 RandFood(pX, pY); 00084 } 00085 } 00086 void HitWall() 00087 { 00088 if (Snake[0][0] + 1 > 83 || Snake[0][0] - 1 < 0 || Snake[0][1] + 1 > 47 || Snake[0][1] - 1 < 0) 00089 { 00090 if (Score > HScore) 00091 HScore = Score; 00092 Started = false;; 00093 GameOver(); 00094 return; 00095 } 00096 } 00097 void HitSelf() 00098 { 00099 for (int a = 1; a <= SnakeLen; ++a) 00100 if (Snake[0][0] == Snake[a][0] && Snake[0][1] == Snake[a][1]) 00101 { 00102 if (Score > HScore) 00103 HScore = Score; 00104 GameOver(); 00105 return; 00106 } 00107 } 00108 void Start() 00109 { 00110 Snake[0][0] = Rand(20, 70); 00111 Snake[0][1] = Rand(10, 35); 00112 RandFood(pX, pY); 00113 AddSnakeBody(); 00114 AddSnakeBody(); 00115 Refresh(); 00116 } 00117 void FlashB () 00118 { 00119 for (int z = 0; z < 5; ++z) 00120 { 00121 DISP.clear(); 00122 DISP.setXYAddress (0, 0); 00123 DISP.refresh(); 00124 wait (0.5); 00125 DrawWall(); 00126 for (int a = 0; a <= SnakeLen; ++a) 00127 SetBlock(a == 0 ? 0 : 1, Snake[a][0], Snake[a][1]); 00128 SetBlock(2, pX, pY); 00129 DISP.refresh(); 00130 } 00131 } 00132 void MoveSnake () 00133 { 00134 if (Pause || !Started) return; 00135 for (int a = SnakeLen; a >= 1; --a) 00136 { 00137 Snake[a][0] = Snake[a - 1][0]; 00138 Snake[a][1] = Snake[a - 1][1]; 00139 } 00140 Snake[0][0] += eX; 00141 Snake[0][1] += eY; 00142 Moved = true; 00143 Refresh(); 00144 } 00145 void AddSnakeBody() 00146 { 00147 SnakeLen++; 00148 int X = 0, Y = 0; 00149 if (Dir == 0) X = 3, Y = 0; 00150 if (Dir == 1) X = 0, Y = 3; 00151 if (Dir == 2) X = -3, Y = 0; 00152 if (Dir == 3) X = 0, Y = -3; 00153 Snake [SnakeLen][0] = Snake[SnakeLen - 1][0] + X; 00154 Snake [SnakeLen][1] = Snake[SnakeLen - 1][1] + Y; 00155 } 00156 void RandFood(int &X, int &Y) 00157 { 00158 while (7) 00159 { 00160 int A = Rand(1, 83); 00161 int B = Rand(1, 47); 00162 bool S = false; 00163 for (int I = 0; I <= SnakeLen; ++I) 00164 if (Snake[I][0] == A && Snake[I][1] == B) 00165 S = true; 00166 if (!S) {X = A; Y = B; return;} 00167 } 00168 } 00169 void DrawWall () 00170 { 00171 for (int a = 0; a < 84; ++a) 00172 for (int b = 0; b < 48; ++b) 00173 if (!a || !b || a == 83 || b == 47) 00174 DISP.setPixel (a, b); 00175 } 00176 void Refresh () 00177 { 00178 if (!Draw) return; 00179 HitFood(); 00180 HitWall(); 00181 HitSelf(); 00182 DISP.clear(); 00183 DISP.setXYAddress (0, 0); 00184 DrawWall(); 00185 for (int a = 0; a <= SnakeLen; ++a) 00186 SetBlock(a == 0 ? 0 : 1, Snake[a][0], Snake[a][1]); 00187 SetBlock(2, pX, pY); 00188 DISP.refresh(); 00189 if (SnakeLen > 437) Prekuco(); 00190 } 00191 void Moving () 00192 { 00193 if (!Moved) return; 00194 double vx = VX, vy = VY; 00195 if (vx < 1./3.) 00196 { 00197 if (Dir == 2) return; 00198 eX = -3; eY = 0; 00199 Dir = 0; 00200 Moved = false; 00201 } 00202 else if (vx > 2./3.) 00203 { 00204 if (Dir == 0) return; 00205 eX = 3; eY = 0; 00206 Dir = 2; 00207 Moved = false; 00208 } 00209 if (vy < 1./3.) 00210 { 00211 if (Dir == 1) return; 00212 eX = 0; eY = -3; 00213 Dir = 3; 00214 Moved = false; 00215 } 00216 else if (vy > 2./3.) 00217 { 00218 if (Dir == 3) return; 00219 eX = 0; eY = 3; 00220 Dir = 1; 00221 Moved = false; 00222 } 00223 } 00224 void Pressed () 00225 { 00226 if (Dbnc.read() > .2) 00227 { 00228 if (!Started) 00229 { 00230 Started = true; 00231 TMove.attach (this, &Snakelib::MoveSnake, Speeds[Speed - 1]); 00232 } 00233 else 00234 { 00235 Pause = !Pause; 00236 Draw = !Pause; 00237 } 00238 } 00239 Dbnc.reset(); 00240 } 00241 public: 00242 Snakelib (PinName P1, PinName P2, PinName P3, PinName P4, PinName P5, 00243 PinName P6, PinName P7, PinName BX, PinName BY, PinName BS) 00244 : VX (BX), VY (BY), SW (BS), HScore (0), Score (0), SnakeLen (0), Speed (6), SnakeType (0), 00245 FoodType (0), eX (3), eY (0), pX(0), pY (0), Dir (2), Moved(false), Pause (false), Draw (true), Started (false), 00246 DISP (P1, P2, P3, P4, P5, P6, P7), ENBL (LED_RED) 00247 { 00248 00249 } 00250 void START() 00251 { 00252 ENBL = 1; 00253 Dbnc.start(); 00254 SW.mode (PullUp); 00255 DISP.init(); 00256 DISP.setXYAddress (0, 0); 00257 DISP.clear(); 00258 TJoy.attach (this, &Snakelib::Moving, 0.01); 00259 DISP.printString ("- SNAKE -", 0, 0); 00260 DISP.printString ("K64F", 0, 3); 00261 DISP.printString ("Freescale", 0, 4); 00262 wait (2); 00263 SW.rise (this, &Snakelib::Pressed); 00264 Start(); 00265 00266 00267 } 00268 int SnakeSpeed () const {return Speed;} 00269 void SetSnakeSpeed (unsigned char S) 00270 { 00271 if (S == Speed) return; 00272 Speed = S; 00273 Speed = Speed < 1 ? 1 : Speed > 10 ? 10 : Speed; 00274 TMove.detach(); 00275 wait_ms (2); 00276 TMove.attach (this, &Snakelib::MoveSnake, Speeds[Speed - 1]); 00277 } 00278 int GetSnakeType () const {return SnakeType + 1;} 00279 void SetSnakeType (unsigned char S) 00280 { 00281 if (S == SnakeType) return; 00282 int ST = S < 1 ? 1 : S > 6 ? 6 : S; 00283 SnakeType = ST - 1; 00284 Refresh(); 00285 } 00286 int GetFoodType () const {return FoodType + 1;} 00287 void SetFoodType (unsigned char S) 00288 { 00289 if (S == FoodType) return; 00290 int FT = S < 1 ? 1 : S > 5 ? 5 : S; 00291 FoodType = FT - 1; 00292 Refresh(); 00293 } 00294 void PauseGame () {Pause = true; Draw = false;} 00295 void ResumeGame () {Pause = false; Draw = true;} 00296 bool Paused () const {return Pause;} 00297 void Restart() 00298 { 00299 TMove.detach(); 00300 SnakeLen = eY = Score = 0; 00301 eX = 3; 00302 Dir = 2; 00303 Started = false; 00304 Start(); 00305 } 00306 }; 00307 const bool Snakelib::SnakeTypes [2][6][3][3] = 00308 { 00309 { 00310 {{1, 1, 1}, {1, 1, 1}, {1, 1, 1}}, 00311 {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}}, 00312 {{0, 1, 0}, {1, 1, 1}, {0, 1, 0}}, 00313 {{0, 1, 0}, {1, 0, 1}, {0, 1, 0}}, 00314 {{1, 1, 1}, {1, 1, 1}, {1, 1, 1}}, 00315 {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}} 00316 }, 00317 { 00318 {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}}, 00319 {{1, 1, 1}, {1, 1, 1}, {1, 1, 1}}, 00320 {{0, 1, 0}, {1, 0, 1}, {0, 1, 0}}, 00321 {{0, 1, 0}, {1, 1, 1}, {0, 1, 0}}, 00322 {{1, 1, 1}, {1, 1, 1}, {1, 1, 1}}, 00323 {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}} 00324 } 00325 }; 00326 const bool Snakelib::SnakeFood [5][3][3] = 00327 { 00328 {{1, 0, 1}, {0, 1, 0}, {1, 0, 1}}, 00329 {{1, 1, 1}, {1, 1, 1}, {1, 1, 1}}, 00330 {{1, 1, 1}, {1, 0, 1}, {1, 1, 1}}, 00331 {{0, 1, 0}, {1, 1, 1}, {0, 1, 0}}, 00332 {{0, 1, 0}, {1, 0, 1}, {0, 1, 0}} 00333 }; 00334 const int Snakelib::Pos [2][3][3] = 00335 { 00336 {{-1, 0, 1}, {-1, 0, 1}, {-1, 0, 1}}, 00337 {{1, 1, 1}, {0, 0, 0}, {-1, -1, -1}} 00338 }; 00339 const double Snakelib::Speeds [10] = {1., .8, .7, .5, .32, .25, .15, .1, .075, .050}; 00340 const unsigned char Snakelib::Points[10] = {1, 1, 1, 2, 3, 4, 5, 6, 8, 10}; 00341 #endif //E_SNAKE_H
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