Diff: main.cpp
- Revision:
- 30:e6f59801ea2a
- Parent:
- 29:f70d927c3e11
--- a/main.cpp Wed May 06 14:24:49 2015 +0000
+++ b/main.cpp Wed May 06 17:17:38 2015 +0000
@@ -1,6 +1,6 @@
/**
@file main.cpp
-
+
@brief Game Algorithm implementation
*/
@@ -8,21 +8,22 @@
int main()
{
- //set_time(0); // enter unix time then delete from main function to set time
+ //set_time(0); // enter unix time then delete from main function to set time
power = 1;
- lcd.init();
+ lcd.init();
calibrateJoystick(); // get centred values of joystick
pollJoystick.attach(&updateJoystick,1.0/15.0); // read joystick 15 times per second
wallMovement.attach(&flagForWall,0.2); // call function flagForWall to make flag=1, every 0.2 seconds
wallMovement2.attach(&flagForWall2,0.2); // call function flagForWall2 to make flag=1, every 0.2 seconds
wallMovement3.attach(&flagForWall3,0.2); // call function flagForWall3 to make flag=1, every 0.2 seconds
flash.attach(&flagForFlash,1); // call function flagForWall3 to make flag=1, every 1 seconds
+ button.rise(&buttonFlag); // call flag when ever joystick button is pressed
menu();
}
void calibrateJoystick()
{
- button.mode(PullDown); // must not move while calibrating
+ button.mode(PullDown); // must not move while calibrating
joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
joystick.y0 = yPot;
}
@@ -56,19 +57,19 @@
joystick.direction = downLeft;
}
- printFlag = 1; // set flag for printing
+ printFlag = 1; // set flag for printing
}
void clearCells()
{
- for (int i = 0; i < nx ; i++) { // loops through cells in x direction first
- for (int j = 0; j < ny ; j++) { // then moves in y direction
- lcd.clearPixel(i,j); // clears each pixel that is checked
+ for (int i = 0; i < nx ; i++) { // loops through cells in x direction first
+ for (int j = 0; j < ny ; j++) { // then moves in y direction
+ lcd.clearPixel(i,j); // clears each pixel that is checked
}
}
- lcd.refresh(); // must refresh to write buffer display
+ lcd.refresh(); // must refresh to write buffer display
}
@@ -89,20 +90,25 @@
FLAG3=1;
}
+void buttonFlag()
+{
+ BFlag =1;
+}
void menu()
{
int m = 0;
+ BFlag = 0;
- char buffer[14]; // buffer used to store time string
+ char buffer[14]; // buffer used to store time string
while(1) {
- powerSave(); // call sleep function
+ powerSave(); // call sleep function
clearCells();
- time_t seconds = time(NULL); // gets current time
- strftime(buffer, 14 , "%H:%M", localtime(&seconds)); // send time string to buffer
+ time_t seconds = time(NULL); // gets current time
+ strftime(buffer, 14 , "%H:%M", localtime(&seconds)); // send time string to buffer
- lcd.printString(buffer,26,4); // show time on lcd screen
+ lcd.printString(buffer,26,4); // show time on lcd screen
if ((joystick.direction == RIGHT)||(joystick.direction == upRight)||(joystick.direction == downRight)) {
@@ -121,44 +127,33 @@
case 0 :
lcd.printString("< Play Game >",0,2);
wait(0.3);
- while(1) {
- if(button == 1) {
- clearCells();
- playGame();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag=0;
+ clearCells();
+ playGame();
}
break;
case 1 :
lcd.printString("< Settings >",0,2);
wait(0.3);
- while(1) {
- if(button == 1) {
- clearCells();
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag=0;
+ clearCells();
+ BandVMenu();
}
break;
case 2 :
lcd.printString("< HighScore >",0,2);
wait(0.3);
- while(1) {
- if(button == 1) {
- clearCells();
- while(1) {
- readDataFromFile();
- lcd.printString("HighScore",16,0);
- if(joystick.direction == DOWN) {
- menu();
- }
+ if(BFlag) {
+ BFlag=0;
+ clearCells();
+ while(1) {
+ readDataFromFile();
+ lcd.printString("HighScore",16,0);
+ if(joystick.direction == DOWN) {
+ menu();
}
- } else {
- break;
}
}
break;
@@ -191,29 +186,29 @@
lcd.printString("GO!",35,2);
wait(1);
while(1) {
- if(soundFlag==1) { // if mute hasn't been toggled in settings then the song will play
+ if(soundFlag==1) { // if mute hasn't been toggled in settings then the song will play
tone();
}
- lcd.drawRect(i,j,2,2,0); // draws player object
+ lcd.drawRect(i,j,2,2,0); // draws player object
clearCells();
fallingWalls();
boundries();
playerMovement();
-
- if (lcd.getPixel(i,j)) { // if wall meets player object then there is a collision
+
+ if (lcd.getPixel(i,j)) { // if wall meets player object then there is a collision
scoreCheck();
int m = 1;
- GameOverFlash(); // this means that it is game over
+ GameOverFlash(); // this means that it is game over
if (soundFlag == 1) {
deadTone();
}
while(1) {
clearCells();
- if ((joystick.direction == RIGHT)||(joystick.direction == upRight)||(joystick.direction == downRight)) { // reads joystick direction and counts down
+ if ((joystick.direction == RIGHT)||(joystick.direction == upRight)||(joystick.direction == downRight)) { // reads joystick direction and counts down
m--;
}
- if ((joystick.direction == LEFT)||(joystick.direction == upLeft)||(joystick.direction == downLeft)) { // reads joystick direction and counts up
+ if ((joystick.direction == LEFT)||(joystick.direction == upLeft)||(joystick.direction == downLeft)) { // reads joystick direction and counts up
m++;
}
if(m > 2) { // stops counter from going above total number of cases
@@ -222,18 +217,13 @@
if(m < 0) { // stops counter from going below zero
m = 0;
}
- switch (m) { //switches to the case that the counter is on
+ switch (m) { //switches to the case that the counter is on
case 0 :
lcd.printString("YES",0,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- playGame();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag=0;
+ clearCells();
+ playGame();
}
break;
case 1 :
@@ -244,23 +234,18 @@
break;
case 2 :
lcd.printString("NO",70,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- lcd.printString("Leaving Game",0,2);
- wait(1.0);
- menu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ lcd.printString("Leaving Game",0,2);
+ wait(1.0);
+ menu();
}
break;
}
}
}
- if (lcd.getPixel(i+2,j)) { // same as above but for different side of player object
+ if (lcd.getPixel(i+2,j)) { // same as above but for different side of player object
scoreCheck();
clearCells();
@@ -287,15 +272,10 @@
switch (m) {
case 0 :
lcd.printString("YES",0,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- playGame();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ playGame();
}
break;
case 1 :
@@ -306,24 +286,19 @@
break;
case 2 :
lcd.printString("NO",70,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- lcd.printString("Leaving Game",0,2);
- wait(1.0);
- menu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ lcd.printString("Leaving Game",0,2);
+ wait(1.0);
+ menu();
}
break;
}
}
}
if (lcd.getPixel(i+2,j+2)) {
- scoreCheck();
+ scoreCheck();
clearCells();
int m = 1;
GameOverFlash();
@@ -348,15 +323,10 @@
switch (m) {
case 0 :
lcd.printString("YES",0,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- playGame();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ playGame();
}
break;
case 1 :
@@ -367,17 +337,12 @@
break;
case 2 :
lcd.printString("NO",70,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- lcd.printString("Leaving Game",0,2);
- wait(1.0);
- menu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ lcd.printString("Leaving Game",0,2);
+ wait(1.0);
+ menu();
}
break;
@@ -385,7 +350,7 @@
}
}
if (lcd.getPixel(i,j+2)) {
- scoreCheck();
+ scoreCheck();
clearCells();
int m = 1;
GameOverFlash();
@@ -410,15 +375,10 @@
switch (m) {
case 0 :
lcd.printString("YES",0,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- playGame();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ playGame();
}
break;
case 1 :
@@ -429,17 +389,12 @@
break;
case 2 :
lcd.printString("NO",70,3);
-
- while(1) {
- if(button == 1) {
- clearCells();
- lcd.printString("Leaving Game",0,2);
- wait(1.0);
- menu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ clearCells();
+ lcd.printString("Leaving Game",0,2);
+ wait(1.0);
+ menu();
}
break;
@@ -478,35 +433,23 @@
switch (t) {
case 0 :
lcd.printString("< Brightness >",0,2);
- while(1) {
- if(button == 1) {
- brightness();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ brightness();
}
break;
case 1 :
lcd.printString("< Volume >",0,2);
- while(1) {
- if(button == 1) {
- volume();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ volume();
}
break;
case 2 :
lcd.printString("<Instructions>",0,2);
- while(1) {
- if(button == 1) {
- instructions();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ instructions();
}
break;
}
@@ -536,90 +479,62 @@
lcd.printString(" Brightness ",0,2);
lcd.printString(" ||||||",0,4);
lcd.setBrightness(0.6);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case 1 :
lcd.printString(" Brightness ",0,2);
lcd.printString(" ||||||||",0,4);
lcd.setBrightness(0.8);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case 2 :
lcd.printString(" Brightness ",0,2);
lcd.printString(" ||||||||||",0,4);
lcd.setBrightness(0.9);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case 3 :
lcd.printString(" Brightness ",0,2);
lcd.printString(" ||||||||||||",0,4);
lcd.setBrightness(1);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case -1 :
lcd.printString(" Brightness ",0,2);
lcd.printString(" ||||",0,4);
lcd.setBrightness(0.4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case -2 :
lcd.printString(" Brightness ",0,2);
lcd.printString(" ||",0,4);
lcd.setBrightness(0.2);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case -3 :
lcd.printString(" Brightness ",0,2);
lcd.setBrightness(0);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
}
@@ -648,86 +563,58 @@
case 0 :
lcd.printString(" Volume ",0,2);
lcd.printString(" ||||||",0,4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case 1 :
lcd.printString(" Volume ",0,2);
lcd.printString(" ||||||||",0,4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case 2 :
lcd.printString(" Volume ",0,2);
lcd.printString(" ||||||||||",0,4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case 3 :
lcd.printString(" Volume ",0,2);
lcd.printString(" ||||||||||||",0,4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case -1 :
lcd.printString(" Volume ",0,2);
lcd.printString(" ||||",0,4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case -2 :
lcd.printString(" Volume ",0,2);
lcd.printString(" ||",0,4);
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
case -3 :
lcd.printString(" Volume ",0,2);
lcd.printString(" MUTE",0,4);
soundFlag = 0;
- while(1) {
- if(button == 1) {
- BandVMenu();
- break;
- } else {
- break;
- }
+ if(BFlag) {
+ BFlag = 0;
+ BandVMenu();
}
break;
}
@@ -737,30 +624,30 @@
void writeDataToFile()
{
- time_t seconds = time(NULL); // get current time
- char buffer2[14]; // buffer used to store time string
- strftime(buffer2, 14, " %d/%m/%y", localtime(&seconds)); // displays unix time in day/ month/ year format and sends it to buffer
+ time_t seconds = time(NULL); // get current time
+ char buffer2[14]; // buffer used to store time string
+ strftime(buffer2, 14, " %d/%m/%y", localtime(&seconds)); // displays unix time in day/ month/ year format and sends it to buffer
- FILE *fp = fopen("/local/score.txt", "w"); // open file called 'score.txt'
-/* if the file doesn't exist it is created, if it exists, data is updated */
- fprintf(fp,"%i%s",score,buffer2); // print integer for score and date to file
- fclose(fp); // close file
+ FILE *fp = fopen("/local/score.txt", "w"); // open file called 'score.txt'
+ /* if the file doesn't exist it is created, if it exists, data is updated */
+ fprintf(fp,"%i%s",score,buffer2); // print integer for score and date to file
+ fclose(fp); // close file
}
void readDataFromFile()
{
- int score1; // states the score to be read from the file is an integer value
+ int score1; // states the score to be read from the file is an integer value
char buffer2recieved[14]; // buffer to recieve the string of data read from the text file
- FILE *fp2 = fopen("/local/score.txt", "r"); // open 'score.txt'
- fscanf (fp2,"%i%s",&score1,buffer2recieved); // scans text file for an integer followed by a string
- fclose(fp2); // close file
+ FILE *fp2 = fopen("/local/score.txt", "r"); // open 'score.txt'
+ fscanf (fp2,"%i%s",&score1,buffer2recieved); // scans text file for an integer followed by a string
+ fclose(fp2); // close file
char Points[14]; // buffer to store score value
- sprintf(Points,"%i",score1); // send score to buffer (Points)
- lcd.printString(Points,39,2); // print score on LCD
- lcd.printString(buffer2recieved,18,4); // print date on LCD
+ sprintf(Points,"%i",score1); // send score to buffer (Points)
+ lcd.printString(Points,39,2); // print score on LCD
+ lcd.printString(buffer2recieved,18,4); // print date on LCD
}
@@ -805,10 +692,10 @@
FILE *fp2 = fopen("/local/score.txt", "r");
fscanf (fp2,"%i",&score1);
- fclose(fp2);
+ fclose(fp2);
if(score1 < score) {
- writeDataToFile(); // if the score is bigger then the data is written to the file and overwrites the previous data
+ writeDataToFile(); // if the score is bigger then the data is written to the file and overwrites the previous data
}
}
@@ -823,12 +710,12 @@
{
int flash = 0;
while(1) {
- if (flashFlag==1) { // flag equals one every second
- flashFlag = 0; // flag is reset
- lcd.printString("Game Over!",12,2); // print phrase
- flash++; // adds one to counter
+ if (flashFlag==1) { // flag equals one every second
+ flashFlag = 0; // flag is reset
+ lcd.printString("Game Over!",12,2); // print phrase
+ flash++; // adds one to counter
}
- if (flash > 3) { // moves onto next function when counter gets to 3
+ if (flash > 3) { // moves onto next function when counter gets to 3
break;
}
}
@@ -843,16 +730,17 @@
sleepCounter++;
}
if(sleepCounter > 20) {
- Sleep(); // put mbed into sleep mode
- lcd.turnOff(); // turn LCD off
- while(1) {
- if (button ==1) {
- lcd.init(); // turn LCD back on
+ Sleep(); // put mbed into sleep mode
+ lcd.turnOff(); // turn LCD off
+ while(1){
+ if(BFlag) {
+ BFlag = 0;
+ lcd.init(); // turn LCD back on
sleepCounter = 0;
+ wait(0.5);
menu();
- break;
- }
- }
+ }
+ }
}
} else {
@@ -863,7 +751,7 @@
void boundries()
{
- if( j > 45) {
+ if( j > 45) {
j = 45;
}
if( i > 81) {
@@ -881,7 +769,7 @@
void playerMovement()
{
- if (printFlag) { // if flag set, clear flag and implicate joystick functions
+ if (printFlag) { // if flag set, clear flag and implicate joystick functions
printFlag = 0;
/* check joystick direction */
if (joystick.direction == UP) {
@@ -922,93 +810,92 @@
void fallingWalls()
{
- lcd.drawLine(x,y,z,y,1); // draws a line at the top of the screen to symbolise a wall
- lcd.drawLine(z+10,y,83,y,1); // there is a gap in the wall which is 10 pixels wide and the objective of the game is to pass through it
- if(FLAG==1) { // the flag changes every 0.2 seconds
- FLAG=0;
- y++; // everytime the flag changes to one it is reset and the wall moves down by one pixel
- }
- if(y > 47) { // when the wall reaches the bottom a new wall is generated at the top
- y = 0;
- z = rand()%74; // the gap in the is moved to a random postion in the new wall
- score++; // score increases by one everytime a wall falling from the top reaches the bottom of the screen
+ lcd.drawLine(x,y,z,y,1); // draws a line at the top of the screen to symbolise a wall
+ lcd.drawLine(z+10,y,83,y,1); // there is a gap in the wall which is 10 pixels wide and the objective of the game is to pass through it
+ if(FLAG==1) { // the flag changes every 0.2 seconds
+ FLAG=0;
+ y++; // everytime the flag changes to one it is reset and the wall moves down by one pixel
+ }
+ if(y > 47) { // when the wall reaches the bottom a new wall is generated at the top
+ y = 0;
+ z = rand()%74; // the gap in the is moved to a random postion in the new wall
+ score++; // score increases by one everytime a wall falling from the top reaches the bottom of the screen
+ }
+ /* there are 6 levels of difficulty */
+ if(( score > 1)&&(score < 5)) {
+ lcd.drawLine(a,b,d,b,1);
+ lcd.drawLine(d+10,b,83,b,1);
+ if(FLAG3==1) {
+ FLAG3=0;
+ b--;
}
- /* there are 6 levels of difficulty */
- if(( score > 1)&&(score < 5)) {
- lcd.drawLine(a,b,d,b,1);
- lcd.drawLine(d+10,b,83,b,1);
- if(FLAG3==1) {
- FLAG3=0;
- b--;
- }
- }
- if(b < 0) {
- b = 47;
- d = rand()%74;
- }
- if(( score > 5)&&(score < 9)) {
- lcd.drawLine(f,g,f,h,1);
- lcd.drawLine(f,h+10,f,47,1);
- if(FLAG2==1) {
- FLAG2=0;
- f++;
- }
+ }
+ if(b < 0) {
+ b = 47;
+ d = rand()%74;
+ }
+ if(( score > 5)&&(score < 9)) {
+ lcd.drawLine(f,g,f,h,1);
+ lcd.drawLine(f,h+10,f,47,1);
+ if(FLAG2==1) {
+ FLAG2=0;
+ f++;
}
- if( f > 83) {
- f = 0;
- h = rand()%38;
- }
- if(( score > 10)&&(score < 15)) {
- lcd.drawLine(q,w,q,e,1);
- lcd.drawLine(q,e+10,q,47,1);
- if(FLAG3==1) {
- FLAG3=0;
- q--;
- }
- }
- if(q < 0) {
- q = 83;
- e = rand()%38;
+ }
+ if( f > 83) {
+ f = 0;
+ h = rand()%38;
+ }
+ if(( score > 10)&&(score < 15)) {
+ lcd.drawLine(q,w,q,e,1);
+ lcd.drawLine(q,e+10,q,47,1);
+ if(FLAG3==1) {
+ FLAG3=0;
+ q--;
}
- if( score > 15) {
- lcd.drawLine(q,w,q,e,1);
- lcd.drawLine(q,e+10,q,47,1);
- if(FLAG3==1) {
- FLAG3=0;
- q--;
- }
+ }
+ if(q < 0) {
+ q = 83;
+ e = rand()%38;
+ }
+ if( score > 15) {
+ lcd.drawLine(q,w,q,e,1);
+ lcd.drawLine(q,e+10,q,47,1);
+ if(FLAG3==1) {
+ FLAG3=0;
+ q--;
}
- if( score > 20) {
- lcd.drawLine(a,b,d,b,1);
- lcd.drawLine(d+10,b,83,b,1);
- if(FLAG2==1) {
- FLAG2=0;
- b--;
- }
+ }
+ if( score > 20) {
+ lcd.drawLine(a,b,d,b,1);
+ lcd.drawLine(d+10,b,83,b,1);
+ if(FLAG2==1) {
+ FLAG2=0;
+ b--;
}
- }
-
+ }
+}
+
void instructions()
{
- while(1)
- {
+ while(1) {
lcd.printString("Welcome :-)",9,0);
lcd.printString("Select using",6,1);
- lcd.printString("joystickButton",0,2);
+ lcd.printString("joystickButton",0,2);
lcd.printString("Press >",27,4);
wait(0.5);
- if(button) { // press joystick button to continue
+ if(BFlag) {
+ BFlag = 0; // press joystick button to continue
clearCells();
- while(1)
- {
+ while(1) {
lcd.printString("Return to menu",0,0);
lcd.printString("by moving the",3,1);
lcd.printString("JS downward",9,2);
if(joystick.direction == DOWN) { // direct joystick down to continue
menu();
break;
- }
- }
- }
- }
- }
\ No newline at end of file
+ }
+ }
+ }
+ }
+}
\ No newline at end of file