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Snake.cpp
00001 #include "Snake.h" 00002 00003 #define HEIGHT 48 00004 #define CEILING 8 00005 #define FLOOR 48 00006 #define WIDTH 84 00007 00008 00009 snakePart snek; 00010 00011 00012 00013 Snake::Snake() 00014 { 00015 00016 } 00017 Snake::~Snake() 00018 { 00019 00020 } 00021 00022 00023 void Snake::init(int x, int y, int lenght, int _live){ 00024 00025 startx=x; 00026 starty=y; 00027 00028 startl=lenght; 00029 live=_live; 00030 _length = lenght; 00031 _food.init(); 00032 00033 int lowerBound=_length; 00034 for (int i=0;lowerBound>i;i++) 00035 { 00036 snek._x[i]=x+i; 00037 snek._y[i]=y; 00038 snek._dir[i]=4; 00039 } 00040 00041 snek._x[_length]=x+_length; 00042 snek._x[_length+1]=x+_length+1; 00043 snek._y[_length]=y; 00044 snek._dir[_length]=1; 00045 printf("xog is %d ", snek._x[_length-1]); 00046 00047 } 00048 00049 void Snake::draw(N5110 &lcd){//condition of the collasion function 00050 00051 checkWallCollision(lcd); 00052 checkTailCollision(lcd); 00053 00054 if (live!=0){ 00055 lcd.clear(); 00056 waitCount=((float)_length/3)+5; 00057 waitTime=(1/waitCount); 00058 wait(waitTime); 00059 _food.draw(lcd); 00060 lcd.drawRect(0,7,80,48-8,FILL_TRANSPARENT); 00061 drawScore(lcd); 00062 00063 int lowerBound=_length; 00064 for (int i=0; lowerBound>i;i++){ 00065 00066 bool ifcondition(snek._x!=0); 00067 if (ifcondition) 00068 { 00069 bool ifcondition(snek._y!=0); 00070 if (ifcondition) 00071 { 00072 lcd.setPixel(snek._x[i],snek._y[i]); 00073 } 00074 } 00075 00076 lcd.refresh(); 00077 00078 } 00079 } 00080 00081 } 00082 void Snake::update(Gamepad &pad){ 00083 bool ifcondition(live!=0); 00084 if (ifcondition){ 00085 00086 d=pad.get_direction(); 00087 printf("x+1 is %d", snek._x[_length+2]); 00088 printf("y+1 is %d", snek._y[_length+2]); 00089 printf("dir+1 is %d", snek._dir[_length+2]); 00090 printf("length is %d", _length); 00091 00092 bool ifcondition(snek._dir[_length-1]==1); 00093 if (ifcondition)//check thecconditions that snake eat the food 00094 { 00095 snek._x[_length]++; 00096 } 00097 00098 if (snek._dir[_length-1]==2) 00099 { 00100 snek._y[_length]--; 00101 00102 } 00103 00104 if (snek._dir[_length-1]==3) 00105 { 00106 snek._x[_length]--; 00107 } 00108 00109 if (snek._dir[_length-1]==4) 00110 { 00111 snek._y[_length]++; 00112 } 00113 00114 for (int i=0 ;_length<i ;i++) 00115 { 00116 snek._x[i]=snek._x[i+1]; 00117 snek._y[i]=snek._y[i+1]; 00118 00119 } 00120 00121 if (d==N){ 00122 00123 if (snek._dir[_length-1]!=4) 00124 { 00125 snek._dir[_length-1] = 2; 00126 } 00127 00128 } 00129 00130 if (d==E){ 00131 00132 if (snek._dir[_length-1]!=3) 00133 { 00134 snek._dir[_length-1] = 1; 00135 } 00136 00137 } 00138 00139 if (d==W){ 00140 00141 if (snek._dir[_length-1]!=1) 00142 { 00143 snek._dir[_length-1] = 3; 00144 } 00145 00146 00147 } 00148 00149 if (d==S){ 00150 00151 if (snek._dir[_length-1]!=2) 00152 { 00153 snek._dir[_length-1] = 4; 00154 } 00155 00156 00157 } 00158 00159 printf("updated "); 00160 00161 } 00162 } 00163 00164 00165 00166 00167 00168 00169 00170 00171 00172 00173 00174 00175 00176 00177 00178 00179 00180 00181 00182 00183 00184 00185 00186 00187 00188 00189 00190 00191 00192 00193 00194 void Snake::deadSnake(N5110 &lcd){//check the condition that the life reduces 00195 00196 00197 live--; 00198 while (live==!1){ 00199 lcd.clear(); 00200 lcd.init(); 00201 lcd.printString("Game Over",0,1); 00202 lcd.printString("Press Reset",0,2); 00203 lcd.printString("To restart",0,3); 00204 lcd.refresh(); 00205 00206 } 00207 init(startx,starty,startl,live); 00208 00209 } 00210 00211 void Snake::checkWallCollision(N5110 &lcd){ 00212 00213 bool ifcondition=(snek._x[_length]==WIDTH||snek._x[_length]==0); 00214 if (ifcondition) 00215 { 00216 deadSnake(lcd); 00217 } 00218 00219 if (snek._y[_length]==CEILING||snek._y[_length]==FLOOR)//if snake hits top or bottom walls 00220 { 00221 deadSnake(lcd); 00222 } 00223 00224 } 00225 00226 void Snake::checkTailCollision(N5110 &lcd){ 00227 int upperBound=_length; 00228 for (int i=0 ;upperBound<i ;i++){//check the snake crushes its nail 00229 00230 bool ifcondition=(snek._x[_length-1]==snek._x[i] && snek._y[_length-1]==snek._y[i]); 00231 if (ifcondition) 00232 { 00233 deadSnake(lcd); 00234 } 00235 } 00236 00237 00238 } 00239 00240 void Snake::drawScore(N5110 &lcd){ 00241 char buffer1[14]; 00242 char buffer2[14]; 00243 sprintf(buffer1,"%2d",live); 00244 sprintf(buffer2,"%2d",_length-4); 00245 lcd.printString(buffer1,20,0); 00246 lcd.printString(buffer2,60,0); 00247 lcd.printString("Life:",0,0); 00248 lcd.printString("Score:",42,0); 00249 00250 }
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