ELEC2645 (2015/16)
Snake game for ELEC2645 project
Diff: main.cpp
- Revision:
- 2:fae6fef4f5ad
- Parent:
- 1:2ab3e61fa258
--- a/main.cpp Fri Apr 29 16:12:09 2016 +0000
+++ b/main.cpp Thu May 05 14:53:32 2016 +0000
@@ -3,11 +3,11 @@
// VCC, SCE, RST, D/C, MOSI, SCLK, LED
N5110 lcd(PTE26,PTA0,PTC4,PTD0,PTD2,PTD1,PTC3);
-BusOut leds(PTC5 , PTC7);
+//BusOut leds(PTC5 , PTC7);
AnalogIn pot(PTB10);
// change this to alter tolerance of joystick direction
-#define DIRECTION_TOLERANCE 0.05
+//#define DIRECTION_TOLERANCE 0.05L
// connections for joystick
DigitalIn button(PTB11);
@@ -15,30 +15,35 @@
AnalogIn yPot(PTB3);
+int x = 42;
+int y = 24;
+//int gameStart = 0;
+
int nx= 84;
int ny= 48;
-int i;
-int j;
+
int NextGen[84][48]= {0};
void splashScreen();
void clearCells();
void Wall();
void snakeBody(char x,char y);
+//void joystickMovement();
// timer to regularly read the joystick
-Ticker pollJoystick;
+//Ticker pollJoystick;
// create enumerated type (0,1,2,3 etc. for direction)
// could be extended for diagonals etc.
+/*
enum DirectionName {
UP,
DOWN,
LEFT,
RIGHT,
- CENTRE,
- UNKNOWN
+ CENTRE
};
-
+*/
+/*
// struct for Joystick
typedef struct JoyStick Joystick;
struct JoyStick {
@@ -49,15 +54,15 @@
int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
DirectionName direction; // current direction
};
-
+*/
// create struct variable
-Joystick joystick;
+//Joystick joystick;
-int printFlag = 0;
+//int printFlag = 0;
// function prototypes
-void calibrateJoystick();
-void updateJoystick();
+//void calibrateJoystick();
+//void updateJoystick();
int main()
{
@@ -66,49 +71,129 @@
wait(2);
lcd.init();
splashScreen();
- wait(2);
clearCells();
- Wall();
wait(0.5);
- snakeBody(42,24);
- calibrateJoystick(); // get centred values of joystick
- pollJoystick.attach(&updateJoystick,1.0/10.0); // read joystick 10 times per second
- while (1){
-
- lcd.setBrightness(pot*0.001f);
- }
- }
+ Wall();
+ snakeBody(x,y);
+// calibrateJoystick(); // get centred values of joystick
+// pollJoystick.attach(&updateJoystick,1.0); // read joystick 10 times per second
+// gameStart = 1;
+ while (1)
+ {
+ int x_joystick = xPot.read() * 1000; // float (0->1) to int (0-1000)
+ int y_joystick = yPot.read() * 1000;
+
+ wait(0.05);
+
+ if ( ((x_joystick > 30) && (x_joystick < 100)) && ((y_joystick > 0) && (y_joystick < 5)) )
+ {// UP
+ lcd.clearPixel(x,y);
+ lcd.refresh();
+ if (y > 0)
+ --y;
+ lcd.setPixel(x,y);
+ lcd.refresh();
+ }
+ else if ( ((x_joystick > 400) && (x_joystick < 600)) && ((y_joystick > 950) && (y_joystick < 1000)) )
+ { // DOWN
+ lcd.clearPixel(x,y);
+ lcd.refresh();
+ if (y < 48)
+ ++y;
+ lcd.setPixel(x,y);
+ lcd.refresh();
+ }
+ else if ( ((x_joystick > 330) && (x_joystick < 399)) && ((y_joystick > 450) && (y_joystick < 550)) )
+ {// RIGHT
+ lcd.clearPixel(x,y);
+ lcd.refresh();
+ if (x < 84)
+ ++x;
+ lcd.setPixel(x,y);
+ lcd.refresh();
+ }
+ else if ( ((x_joystick > 230) && (x_joystick < 280)) && ((y_joystick > 450) && (y_joystick < 550)) )
+ {//LEFT
+ lcd.clearPixel(x,y);
+ lcd.refresh();
+ if (x > 0)
+ --x;
+ lcd.setPixel(x,y);
+ lcd.refresh();
+ }
+
+// joystickMovement();
+// lcd.setBrightness(pot*0.001f);
+ }
+}
+/*
+// read default positions of the joystick to calibrate later readings
+void calibrateJoystick()
+{
+ button.mode(PullDown);
+ // must not move during calibration
+
+ joystick.x0 = xPot; // initial positions in the range 0.0 to 1.0 (0.5 if centred exactly)
+ joystick.y0 = yPot;
+}
+*/
+
+/*
+void updateJoystick()
+{
+ // read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred)
+ joystick.x = xPot - joystick.x0;
+ joystick.y = yPot - joystick.y0;
+ // read button state
+ joystick.button = button;
+
+ // calculate direction depending on x,y values
+ // tolerance allows a little lee-way in case joystick not exactly in the stated direction
+ if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
+ joystick.direction = CENTRE;
+ } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
+ joystick.direction = UP;
+ } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
+ joystick.direction = DOWN;
+ } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
+ joystick.direction = RIGHT;
+ } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
+ joystick.direction = LEFT;
+ }
+
+ // set flag for printing
+ printFlag = 1;
+}
+*/
+
+/*
+void joystickMovement()
-int main()
{
-
- while(1) {
-
+ while(gameStart) {
if (printFlag) { // if flag set, clear flag and print joystick values to serial port
printFlag = 0;
- serial.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
// check joystick direction
if (joystick.direction == UP)
- serial.printf(" UP\n");
+ j--;
if (joystick.direction == DOWN)
- serial.printf(" DOWN\n");
+ j++;
if (joystick.direction == LEFT)
- serial.printf(" LEFT\n");
+ i--;
if (joystick.direction == RIGHT)
- serial.printf(" RIGHT\n");
- if (joystick.direction == CENTRE)
- serial.printf(" CENTRE\n");
- if (joystick.direction == UNKNOWN)
- serial.printf(" Unsupported direction\n");
+ i++;
+// if (joystick.direction == CENTRE)
+// lcd.printString(" CENTRE ",5,2);
+
}
-
+ sleep();
}
}
-
+*/
void splashScreen() //This is the first screen the user sees when the game is turned on
{
@@ -135,34 +220,8 @@
wait(0.3);
lcd.printString("EPIC GAME",15,4);
wait(0.3);
-// lcd.drawRect(0,0,82,46,0);
-// wait(0.1);
-// lcd.drawRect(0,0,78,42,0);
-// wait(0.1);
-// lcd.drawRect(0,0,74,38,0);
-// wait(0.1);
-// lcd.drawRect(0,0,70,34,0);
-// wait(0.1);
-// lcd.drawRect(0,0,66,30,0);
-// wait(0.1);
-// lcd.drawRect(0,0,62,26,0);
-// wait(0.1);
-// lcd.drawRect(0,0,58,22,0);
-// wait(0.1);
-// lcd.drawRect(0,0,54,18,0);
-// wait(0.1);
-// lcd.drawRect(0,0,50,14,0);
-// wait(0.1);
-// lcd.drawRect(0,0,46,10,0);
-// wait(0.1);
-// lcd.drawRect(0,0,42,6,0);
-// wait(0.1);
-// lcd.drawRect(0,0,38,2,0);
-// wait(0.1);
-
-
-
- }
+
+}
void clearCells()
@@ -178,56 +237,35 @@
}
-
+
void snakeBody(char x, char y)
{
lcd.setPixel(x,y);
- lcd.setPixel(x+1,y);
- lcd.setPixel(x+2,y);
- lcd.setPixel(x+3,y);
- lcd.setPixel(x+4,y);
- lcd.setPixel(x+5,y);
- lcd.setPixel(x+6,y);
- lcd.setPixel(x+7,y);
- lcd.setPixel(x+8,y);
- lcd.setPixel(x+9,y);
- lcd.setPixel(x+10,y);
- lcd.setPixel(x,y+1);
- lcd.setPixel(x+1,y+1);
- lcd.setPixel(x+2,y+1);
- lcd.setPixel(x+3,y+1);
- lcd.setPixel(x+4,y+1);
- lcd.setPixel(x+5,y+1);
- lcd.setPixel(x+6,y+1);
- lcd.setPixel(x+7,y+1);
- lcd.setPixel(x+8,y+1);
- lcd.setPixel(x+9,y+1);
- lcd.setPixel(x+10,y+1);
-
-
lcd.refresh();
-
+
}
+/*
int Rand (int Min = 1, int Max = 83)
- {
- static bool First = true;
- if (First) srand (time (NULL)), First = false;
- while (7)
- {
- int S = rand () % (Max - Min + 1) + Min;
- if (!((S - 1) % 3)) return S;
- }
+{
+ static bool First = true;
+ if (First) srand (time (NULL)), First = false;
+ while (7) {
+ int S = rand () % (Max - Min + 1) + Min;
+ if (!((S - 1) % 3)) return S;
+ }
}
+*/
+
void Wall ()
{
-
+
lcd.drawRect(0,0,82,46,0);
lcd.drawRect(1,1,80,44,0);
-
+
}