Dominic Platt
Code for the space evader game.
Dependencies: N5110 PowerControl mbed
Diff: main.cpp
- Revision:
- 1:225522d0dd77
- Parent:
- 0:dd6685f1343e
--- a/main.cpp Sun May 10 16:48:46 2015 +0000
+++ b/main.cpp Mon May 11 11:44:51 2015 +0000
@@ -12,7 +12,7 @@
//external variables printFlag,joystick,pollJoystick,serial and button used
//button(p18),xPot(p19),yPot(p20) used with external joystick
#include "PowerControl/PowerControl.h"
-#include "PowerControl/EthernetPowerControl.h"
+#include "PowerControl/EthernetPowerControl.h"
int main()
{
init();
@@ -21,166 +21,124 @@
introInit();
timer.attach(&timerExpired,0.01);
while(1) {
-
- if(menuMode&timerFlag) {
+ if(timerFlag) {
timerFlag = 0;
- if(counter==20) {
- menuSet();//runs the menu every 20 counts
- }
if(soundOn) {
soundActivate(); //activates sound
}
- if(counter == 20) {
- counter=0;//reset the counter
- }
- counter++;
- //timer.detach();
- //timer.attach(&timerExpired,0.01);//attaching the timer for the next frame
- } else if(gameOverMode&timerFlag) {
- //game over mode
- timerFlag=0;
- if(counter==20) {
- gameOverSet();//sets the game over frame every 20 counts
- }
- if(soundOn) {
- soundActivate(); //acitvates sound
- }
- if(counter == 20) {
- counter=0;//reset the counter
+ if(menuMode) {
+ if(counter==20) {
+ menuSet();//runs the menu every 20 counts
+ }
+ } else if(gameOverMode) {
+ //game over mode
+ if(counter==20) {
+ gameOverSet();//sets the game over frame every 20 counts
+ }
+ if(soundOn) {
+ soundActivate(); //acitvates sound
+ }
+ } else if(introMode) {
+ introSet(); //sets the intro frame every count
+ timer.detach();
+ timer.attach(&timerExpired,0.01); //attaching the timer for the next frame
+ } else if(helpMode) {
+ if(buttonFlag) {
+ menuInit(); //if button pressed go back to the menu
+ }
+ buttonFlag = 0;
}
- counter++;
- //timer.detach();
- //timer.attach(&timerExpired,0.01);//attaching the timer for the next frame
- } else if(introMode&timerFlag) {
- introSet(); //sets the intro frame every count
- timer.detach();
- timer.attach(&timerExpired,0.01); //attaching the timer for the next frame
- } else if(helpMode&timerFlag) {
- timerFlag = 0;
- if(buttonFlag) {
- menuInit(); //if button pressed go back to the menu
- }
- buttonFlag = 0;
- if(counter == 20) {
- counter=0;//reset the counter
- }
- counter++;
- //timer.detach();
- //timer.attach(&timerExpired,0.01);
- }
- else if(highScoreMode&timerFlag) {
- if(counter==20) {
- timerFlag = 0;
- if(buttonFlag) {
- menuInit(); //if button pressed bring player back to menu
+ else if(highScoreMode) {
+ if(counter==20) {
+ if(buttonFlag) {
+ menuInit(); //if button pressed bring player back to menu
+ }
+ }
+ } else if(settingsMode) { //runs settingsMode
+ if(counter==20) {
+ settingsSet();//runs the setting frame
+ }
+ } else if(gameMode) { //game run mode
+ if(roundFlag) {
+ //if new round flag is set start the next round
+ roundFlag =0;
+ roundInit();
+ }
+ if(item.active) {
+ item.addSelf();//if item has selected add the item to the screen
+ }
+ if(speedState==0) {
+ //controlling the rate of movement of the players ship and asteroids depending on the speedState
+ if(counter == 5||counter == 10||counter == 15||counter == 20) {// speed x1.0
+ if(shipExplodeFlag) {
+ shipExplode();//if is in explotion stage play explotion frame
+ } else {
+ //otherwise move the ship
+ ship.moveSelf(joystick.direction[0],joystick.direction[1]);
+ }
+ for(int i=0; i<8; i++) {
+ if(asteroid[i].active) {
+ //move the asteroids that are active
+ asteroid[i].moveSelf();
+ }
+ }
+ }
+ } else if(speedState==1) {// x1.25
+ if(counter == 4||counter == 8||counter == 12||counter == 16||counter == 20) {
+ if(shipExplodeFlag) {
+ shipExplode();
+ } else {
+ ship.moveSelf(joystick.direction[0],joystick.direction[1]);
+ }
+ for(int i=0; i<8; i++) {
+ if(asteroid[i].active) {
+ asteroid[i].moveSelf();
+ }
+ }
+ }
+ } else if(speedState==2) { //x1.33
+ if(counter == 3||counter == 6||counter == 9||counter == 12||counter == 15||counter == 18||counter == 20) {
+ if(shipExplodeFlag) {
+ shipExplode();
+ } else {
+ ship.moveSelf(joystick.direction[0],joystick.direction[1]);
+ }
+ for(int i=0; i<8; i++) {
+ if(asteroid[i].active) {
+ asteroid[i].moveSelf();
+ }
+ }
+ }
+ } else if(speedState==3) { //x2.5
+ if(counter == 2||counter == 4||counter == 6||counter == 8||counter == 10||counter == 12||counter == 14||counter == 16||counter == 18||counter == 20) {
+ if(shipExplodeFlag) {
+ shipExplode();
+ } else {
+ ship.moveSelf(joystick.direction[0],joystick.direction[1]);
+ }
+ for(int i=0; i<8; i++) {
+ if(asteroid[i].active) {
+ asteroid[i].moveSelf();
+ }
+ }
+ }
+ }
+
+ if(buttonFlag&laserClear) { // fire button pressed
+ laserActivate();
+ }
+ buttonFlag = 0; //reset the buttonFlag after everytime used
+ laserMove(); //move the laser depending on that which are active
+ check(); //checks the logic of the ships position against asteroids, asteroids against each other and walls, lasers against asteroids
+ if(counter ==3||counter == 6|| counter ==9||counter == 12||counter == 15||counter == 18||counter == 20) {
+ setScreen(); // refresh the screen once every three 'counts'
}
}
if(counter == 20) {
counter=0;//reset the counter
}
counter++;
- //timer.detach();
- //timer.attach(&timerExpired,0.01);
- } else if(settingsMode&timerFlag) { //runs settingsMode
- timerFlag=0;
- if(counter==20) {
- settingsSet();//runs the setting frame
- }
- if(soundOn) {
- soundActivate();
- }
- if(counter == 20) {
- counter=0;//reset the counter
- }
- counter++;
- //timer.detach();
- //timer.attach(&timerExpired,0.01);
- } else if(timerFlag&gameMode) { //game run mode
- timerFlag = 0;
- if(roundFlag) {
- //if new round flag is set start the next round
- roundFlag =0;
- roundInit();
- }
- if(soundOn) {
- soundActivate();//activates sound
- }
- if(item.active) {
- item.addSelf();//if item has selected add the item to the screen
- }
- if(speedState==0) {
- //controlling the rate of movement of the players ship and asteroids depending on the speedState
- if(counter == 5||counter == 10||counter == 15||counter == 20) {
- if(shipExplodeFlag) {
- shipExplode();//if is in explotion stage play explotion frame
- } else {
- //otherwise move the ship
- ship.moveSelf(joystick.direction[0],joystick.direction[1]);
- }
- for(int i=0; i<8; i++) {
- if(asteroidM[i].active) {
- //move the asteroids that are active
- asteroidM[i].moveSelf();
- }
- }
- }
- } else if(speedState==1) {
- if(counter == 4||counter == 8||counter == 12||counter == 16||counter == 20) {
- if(shipExplodeFlag) {
- shipExplode();
- } else {
- ship.moveSelf(joystick.direction[0],joystick.direction[1]);
- }
- for(int i=0; i<8; i++) {
- if(asteroidM[i].active) {
- asteroidM[i].moveSelf();
- }
- }
- }
- } else if(speedState==2) {
- if(counter == 3||counter == 6||counter == 9||counter == 12||counter == 15||counter == 18||counter == 20) {
- if(shipExplodeFlag) {
- shipExplode();
- } else {
- ship.moveSelf(joystick.direction[0],joystick.direction[1]);
- }
- for(int i=0; i<8; i++) {
- if(asteroidM[i].active) {
- asteroidM[i].moveSelf();
- }
- }
- }
- } else if(speedState==3) {
- if(counter == 2||counter == 4||counter == 6||counter == 8||counter == 10||counter == 12||counter == 14||counter == 16||counter == 18||counter == 20) {
- if(shipExplodeFlag) {
- shipExplode();
- } else {
- ship.moveSelf(joystick.direction[0],joystick.direction[1]);
- }
- for(int i=0; i<8; i++) {
- if(asteroidM[i].active) {
- asteroidM[i].moveSelf();
- }
- }
- }
- }
-
- if(buttonFlag&laserClear) { // fire button pressed
- laserActivate();
- }
- buttonFlag = 0; //reset the buttonFlag after everytime used
- laserMove(); //move the laser depending on that which are active
- check(); //checks the logic of the ships position against asteroids, asteroids against each other and walls, lasers against asteroids
- if(counter ==3||counter == 6|| counter ==9||counter == 12||counter == 15||counter == 18||counter == 20) {
- setScreen(); // refresh the screen once every three 'counts'
- }
- if(counter == 20) {
- counter=0;//reset the counter
- }
- counter++;
- //timer.detach();
- //timer.attach(&timerExpired,0.005);//timerExpired function increased rate for the game
}
sleep();// put the mbed to sleep otherwise
}
@@ -222,7 +180,7 @@
laserCoolDown = 70;
rapidFire = 0;
abilityCounter = 0;
- titleSelected = 0;
+ optionSelected = 0;
introMode = 1;
lcd.init();
srand(time(NULL));//seedin the random function with the current time for more random functions
@@ -501,17 +459,7 @@
gameMode = 0;
gameOverMode =1;
menuMode = 0;
- speedState = 0;
- //http://developer.mbed.org/questions/249/float-or-integer-to-char-or-string-conve/
- char scoreString[10];
- //converts score to string
- sprintf(scoreString,"%d",score);
lcd.clear();
- lcd.printString("Game Over",10,0);
- lcd.printString("Your score was",0,1);
- //score is printed
- lcd.printString(scoreString,10,2);
- lcd.printString("AAA",10,4);
buttonFlag = 0;
timer.detach();
timer.attach(&timerExpired,0.01);
@@ -521,12 +469,12 @@
//ship position check against asteroids
for (int j = 0; j<8; j++) {
//loops through every asteroid
- if((((asteroidM[j].position[0])>(ship.position[0]-5))&((asteroidM[j].position[0])<(ship.position[0]+5))
- &((asteroidM[j].position[1])>(ship.position[1]-5))&((asteroidM[j].position[1])<(ship.position[1]+5)))&asteroidM[j].active) {
+ if((((asteroid[j].position[0])>(ship.position[0]-5))&((asteroid[j].position[0])<(ship.position[0]+5))
+ &((asteroid[j].position[1])>(ship.position[1]-5))&((asteroid[j].position[1])<(ship.position[1]+5)))&asteroid[j].active) {
//if an asteroid overlaps with a ships position
if(ship.shield) {//if ship shields are up
- asteroidM[j].active = 0;
- asteroidM[j].deleteSelf(); //deactivating the asteroid
+ asteroid[j].active = 0;
+ asteroid[j].deleteSelf(); //deactivating the asteroid
asteroids--;
if(score>50) {//player looses 50 points
score = score - 50;
@@ -540,8 +488,8 @@
} else if((!shipExplodeFlag)&!ship.shield) {
shipExplodeFlag = 1;
explotionStage = 1;
- asteroidM[j].active = 0;
- asteroidM[j].deleteSelf();
+ asteroid[j].active = 0;
+ asteroid[j].deleteSelf();
initSound();
soundType =2;
}
@@ -549,26 +497,26 @@
}
// checking the asteroids position off each other so they can bounce off each other
for(int i = 0; i<8; i++) {
- if(asteroidM[i].active) { //looping through all the active asteroids
+ if(asteroid[i].active) { //looping through all the active asteroids
for(int j = 0; j<8; j++) {
if(i==j) { //if asteroid checked is the actual asteroid of the first for loop move to the next one
j++;
}
- if(asteroidM[j].active) {
- if((asteroidM[i].position[0]>(asteroidM[j].position[0]-5))&(asteroidM[i].position[0]<(asteroidM[j].position[0]+5))
- &(asteroidM[i].position[1]>(asteroidM[j].position[1]-5))&(asteroidM[i].position[1]<(asteroidM[j].position[1]+5))) {
+ if(asteroid[j].active) {
+ if((asteroid[i].position[0]>(asteroid[j].position[0]-5))&(asteroid[i].position[0]<(asteroid[j].position[0]+5))
+ &(asteroid[i].position[1]>(asteroid[j].position[1]-5))&(asteroid[i].position[1]<(asteroid[j].position[1]+5))) {
// if asteroids collide
initSound();
soundType =3;// produce a sound
- if(asteroidM[i].position[0]>asteroidM[j].position[0]) {//if asteroids x position is greater than the other move forwards
- asteroidM[i].xDirection = 1;
- } else if(asteroidM[i].position[0]<=asteroidM[j].position[0]) { //if asteroid is behind the other asteroid in the x direction move to the left
- asteroidM[i].xDirection = -1;
+ if(asteroid[i].position[0]>asteroid[j].position[0]) {//if asteroids x position is greater than the other move forwards
+ asteroid[i].xDirection = 1;
+ } else if(asteroid[i].position[0]<=asteroid[j].position[0]) { //if asteroid is behind the other asteroid in the x direction move to the left
+ asteroid[i].xDirection = -1;
}
- if(asteroidM[i].position[1]>asteroidM[j].position[1]) {//if asteroid is below the other asteroid move down
- asteroidM[i].yDirection = 1;
- } else if(asteroidM[i].position[1]<=asteroidM[j].position[1])//if asteroid is above the other asteroid move up
- asteroidM[i].yDirection = -1;
+ if(asteroid[i].position[1]>asteroid[j].position[1]) {//if asteroid is below the other asteroid move down
+ asteroid[i].yDirection = 1;
+ } else if(asteroid[i].position[1]<=asteroid[j].position[1])//if asteroid is above the other asteroid move up
+ asteroid[i].yDirection = -1;
}
}
}
@@ -577,13 +525,13 @@
//checking the laser positions against the asteroids
for(int i = 0; i<4; i++) {
for (int j = 0; j<8; j++) {
- if(((asteroidM[j].position[0]>(laser[i].position[0]-5))&(asteroidM[j].position[0]<(laser[i].position[0]+5))
- &(asteroidM[j].position[1]>(laser[i].position[1]-5))&(asteroidM[j].position[1]<(laser[i].position[1]+5))&asteroidM[j].active&laser[i].active)) {
+ if(((asteroid[j].position[0]>(laser[i].position[0]-5))&(asteroid[j].position[0]<(laser[i].position[0]+5))
+ &(asteroid[j].position[1]>(laser[i].position[1]-5))&(asteroid[j].position[1]<(laser[i].position[1]+5))&asteroid[j].active&laser[i].active)) {
//if both laser and asteroid is active and they collide inititiate destruction
initSound();
soundType =2;//play sound
- asteroidM[j].active = 0;
- asteroidM[j].deleteSelf(); //deactivating the asteroid
+ asteroid[j].active = 0;
+ asteroid[j].deleteSelf(); //deactivating the asteroid
asteroids--;//marking one less asteroid
score = score + 10;//player gains point
laser[i].active = 0; // deactiviating the laser
@@ -593,8 +541,8 @@
if(x==0) {
//puts the item to the asteroids position
item.active = 1;
- item.position[0] = asteroidM[j].position[0];
- item.position[1] = asteroidM[j].position[1];
+ item.position[0] = asteroid[j].position[0];
+ item.position[1] = asteroid[j].position[1];
item.addSelf();
}
}
@@ -686,7 +634,7 @@
void gameStart()
{
for(int i = 0; i<8; i++) {
- asteroidM[i].active = 0;
+ asteroid[i].active = 0;
}
item.active = 0;
clearArray();
@@ -723,12 +671,12 @@
void menuSet()
{
//sets the option selected depending on the joystick y direction
- titleSelected = titleSelected + joystick.direction[1];
+ optionSelected = optionSelected + joystick.direction[1];
//loops around the menu
- if(titleSelected>3) {
- titleSelected = 0;
- } else if(titleSelected<0) {
- titleSelected = 3;
+ if(optionSelected>3) {
+ optionSelected = 0;
+ } else if(optionSelected<0) {
+ optionSelected = 3;
}
if((joystick.direction[1]==1)||(joystick.direction[1]==-1)) {
//if joystick moved initiate sound
@@ -746,17 +694,17 @@
lcd.printString("HighScores",10,3);
lcd.printString("Help",10,4);
lcd.printString("Settings",10,5);
- lcd.printString(">",0,titleSelected+2); // array set according to which titleSelected
- if(buttonFlag&(titleSelected == 0)) {
+ lcd.printString(">",0,optionSelected+2); // array set according to which optionSelected
+ if(buttonFlag&(optionSelected == 0)) {
//start option selected
gameStart();
- } else if(buttonFlag&(titleSelected == 1)) {
+ } else if(buttonFlag&(optionSelected == 1)) {
//instruction option selected
highScoreSet();
- } else if(buttonFlag&(titleSelected == 2)) {
+ } else if(buttonFlag&(optionSelected == 2)) {
//instruction option selected
helpInit();
- } else if(buttonFlag&(titleSelected == 3)) {
+ } else if(buttonFlag&(optionSelected == 3)) {
//settings option selected
settingsInit();
}
@@ -773,6 +721,7 @@
}
char scoreString[10]; //stores the score
sprintf(scoreString,"%d",score);//converts the users score from an int to a string
+ ////http://developer.mbed.org/questions/249/float-or-integer-to-char-or-string-conve/
char alphabet [27] = {"ABCDEFGHIJKLMNOPQRSTUVWXYZ"}; //alphabet matrix defined
cSelected = cSelected +joystick.direction[0]; //character selected moved depending on the joystick
if(cSelected>2) { //loops through the characters selected at the boundaries
@@ -814,11 +763,11 @@
//sets the characters
lcd.printString("Game Over",10,0);
lcd.printString("Your score was",0,1);
- lcd.printString(scoreString,25,2);
- lcd.printString(name,25,4);
+ lcd.printString(scoreString,35,2);
+ lcd.printString(name,35,4);
for(int i = 0; i<5; i++) {
///draws a line under the selected char
- lcd.setPixel(25+i+cSelected*6,40);
+ lcd.setPixel(35+i+cSelected*6,40);
}
lcd.refresh();
if(buttonFlag) {
@@ -839,7 +788,7 @@
//initialise the spawn position, although spawn positions are not needed this function is required to initialise an asteroid object
initSpawn();
ship.init();
- asteroidM[0].init();
+ asteroid[0].init();
item.init();
menuMode = 0;
gameOverMode = 0;
@@ -855,9 +804,9 @@
ship.position[0] = 0;
ship.position[1] = 8;
ship.addSelf();
- asteroidM[0].position[0] = 0;
- asteroidM[0].position[1] = 16;
- asteroidM[0].addSelf();
+ asteroid[0].position[0] = 0;
+ asteroid[0].position[1] = 16;
+ asteroid[0].addSelf();
item.position[0] = 0;
item.position[1] = 24;
item.addSelf();
@@ -879,11 +828,6 @@
ship.position[1] = 2;
ship.addSelf();
setScreen();
- lcd.printString("Space Evader",0,0);
- lcd.printString("Start Game",10,2);
- lcd.printString("HighScores",10,3);
- lcd.printString("Help",10,4);
- lcd.printString("Settings",10,5);
settingsMode = 0;
gameOverMode = 0;
gameMode = 0;
@@ -948,8 +892,8 @@
}
initSpawn(); // initialises spawn positions
for(int i = 0; i<roundNumber; i++) {
- asteroidM[i].init();//initiates asteroids equal to the round number
- asteroidM[i].active = 1;
+ asteroid[i].init();//initiates asteroids equal to the round number
+ asteroid[i].active = 1;
asteroids++; // add one to the counter
}
roundNumber++; //increment roundNumber
@@ -968,11 +912,11 @@
void settingsSet()
{
//sets the title selected with the joystick
- titleSelected = titleSelected + joystick.direction[1];
- if(titleSelected>3) {
- titleSelected = 0;
- } else if(titleSelected<0) {
- titleSelected = 3;
+ optionSelected = optionSelected + joystick.direction[1];
+ if(optionSelected>3) {
+ optionSelected = 0;
+ } else if(optionSelected<0) {
+ optionSelected = 3;
}
if((joystick.direction[1]==1)||(joystick.direction[1]==-1)) {
soundType =3; //sound when joystick moved
@@ -994,7 +938,7 @@
sprintf(myChar,"%dx",1+speedState); //speed marked
lcd.printString(myChar,60,1);
lcd.printString("Walls",7,2);
- lcd.printString(">",0,titleSelected); //selector depending on option selected
+ lcd.printString(">",0,optionSelected); //selector depending on option selected
char bufferDate[14]; //presents the time and date
char bufferTime[14];
lcd.printString("Back",7,3);
@@ -1004,19 +948,19 @@
strftime(bufferTime,14,"%T", localtime(&seconds));
lcd.printString(bufferDate,7,4);
lcd.printString(bufferTime,7,5);
- if(buttonFlag&(titleSelected == 0)) {
+ if(buttonFlag&(optionSelected == 0)) {
sound = !sound;
- } else if(buttonFlag&(titleSelected == 1)) {
+ } else if(buttonFlag&(optionSelected == 1)) {
//increments the speed counter if that option is selected
speedState++;
if(speedState>3) {
//reset speedState if to high
speedState=0;
}
- } else if(buttonFlag&(titleSelected == 3)) {
+ } else if(buttonFlag&(optionSelected == 3)) {
//back to menu
menuInit();
- } else if(buttonFlag&(titleSelected == 2)) {
+ } else if(buttonFlag&(optionSelected == 2)) {
//turn on/off the walls
walls = !walls;
}
@@ -1033,7 +977,7 @@
//initialises the setting screen
menuMode = 0;
settingsMode = 1;
- titleSelected = 0;
+ optionSelected = 0;
buttonFlag =0;
settingsSet();
timer.detach();
@@ -1042,11 +986,11 @@
void serialISR()
{
//sets UNIX time
- set_time(1430595271);
+ set_time(1431348000);
}
void buttonPressed() // toggle direction in ISR
{
- if(debounce.read_ms()>150) {//only set flag 150 ms after the last flag was set to filter out the 'bounces'
+ if(debounce.read_ms()>200) {//only set flag 200 ms after the last flag was set to filter out the 'bounces'
//buttonFlag set when button is pressed
buttonFlag = 1;
debounce.reset();//reset the debounce timer