ELEC2645 (2019/20)
Owen Cavender 201159294
Diff: snake.cpp
- Revision:
- 6:bf90044188d0
- Parent:
- 5:d716013c6a18
- Child:
- 7:0ce806455ef1
--- a/snake.cpp Wed May 27 10:27:34 2020 +0000
+++ b/snake.cpp Thu May 28 15:02:30 2020 +0000
@@ -7,147 +7,267 @@
Snake::~Snake()
{
+}
+
+
+
+void Snake::init()
+{
+ _x0 = 48;
+ _x1 = 48;
+ _x2 = 48;
+ _x3 = 48;
+
+ _y0 = 20;
+ _y1 = 19;
+ _y2 = 18;
+ _y3 = 17;
+
+ // Vector2D SK0 {_x0, _y0};
+ // Vector2D SK1 {_x1, _y1};
+ //Vector2D SK2 {_x2, _y2};
+ //Vector2D SK3 {_x3, _y3};
+
+ _gameover = false;
+ _score = 0;
+ _direction = up;
+ // Vector2D *_snakebody = new Vector2D [_length];
+}
+
+
+void Snake::check_score(N5110 &lcd, Gamepad &pad, Apple &apple, Timer &timer)
+{
+
+
+ Vector2D Apos = apple.get_Applepos(lcd);
+ // printf("apple coordinate =, %d , %d",Apos.x, Apos.y); //need to code clear apple and make sure apple isnt spawning every time
+ if((_x0 == Apos.x) && (_y0 == Apos.y)) {
+
+ lcd.setPixel(Apos.x, Apos.y, 0); // Plem:: Wanted to make sure that this didnt clear the pixel of the snake as it passes through it
+ _score++;
+ timer.reset();
+ //by waiting unil the snake has passed through before clearing the old apple however the new apple spawn needs to be ASAP after collection
+ //randomises new values for _apx,_apy and draws on lcd -- draws on next loop-- the position is not needed until we compare it to Snakehead
+ pad.tone(1500.0,0.5); //need to clear apple
+ pad.leds_on();
+ wait(0.5);
+ pad.leds_off();
+
+
+ lcd.refresh();
+
+ }
}
-void Snake::init (GameEngine &engine)
+void Snake::check_collisions() //code where it hits itself
{
-
- //WIDTH =84 HEIGHT = 42 //snakebody[0] is initalised may have to initilaise the other 2 og snake parts
- Vector2D SnakeHead = engine.get_Snakehead();
-
- _length = 2; // how do i initalise
- _gameover = false;
- _score = 0;
- _direction = up;
- Vector2D S0 = SnakeHead;
-
- // Vector2D S1 = engine.get_oldSnakehead();
- // Vector2D &Snakehead = {42, 24};
- // Vector2D &oldSnakehead = {42, 23};
-}
+ if (_x0 == 0 ||_x0 == 84 || _y0 == 0 || _y1 == 42) { //how do i access snakehead.headx
-
-
-
-void Snake::gameover_true(N5110 &lcd) //taking action if crash has occured
-{
- if (_gameover == true) {
-
- lcd.clear();
- lcd.refresh();
- lcd.printString( " Game Over L ", 0, 2 );
- lcd.printString ("score: _score ",15, 15); //Need to add button to return to main screen / restart //NEED to return score without ruining structure of lcd.PrintString( "string", x, y)
-
- }
-
- else {
-
-
+ _gameover = true;
+ } else {
+ _gameover = _gameover;
}
}
-void Snake::check_scored(N5110 &lcd, Gamepad &pad, GameEngine &engine)
+void Snake::render(N5110 &lcd, Apple &apple)
{
- Vector2D Applepos = engine.get_Applepos();
- //need to code clear apple and make sure apple isnt spawning every time
- if(S0.x == Applepos.x && S0.y == Applepos.y) {
+ Vector2D Apos = apple.get_Applepos(lcd);
+ lcd.setPixel(Apos.x, Apos.y,1);
+ lcd.drawRect(0, 0, 84, 42, FILL_TRANSPARENT);
- lcd.setPixel(Applepos.x, Applepos.y, 0); // Plem:: Wanted to make sure that this didnt clear the pixel of the snake as it passes through it
- _score++; //by waiting unil the snake has passed through before clearing the old apple however the new apple spawn needs to be ASAP after collection
- _length = _length++;
- engine.set_Applepos(lcd); //randomises new values for _apx,_apy and draws on lcd -- draws on next loop-- the position is not needed until we compare it to Snakehead
- pad.tone(1500.0,0.5); //need to clear apple
- pad.leds_on();
- wait(0.5);
- pad.leds_off();
+ lcd.setPixel(_x0, _y0,1);
+ lcd.setPixel(_x1, _y1,1);
+ lcd.setPixel(_x2, _y2,1);
+ lcd.setPixel(_x3, _y3,1);
- }
- lcd.setPixel(Applepos.x, Applepos.y,1);
+// lcd.printString(" &d ",0,0, _display_time);
+
}
+void Snake::get_position(Gamepad &pad)
+{
+ Directions direction = _direction;
+ if(direction != left) {
+ if (pad.A_pressed()) {
+
+ _direction = right;
+ }
+ }
+ if(direction != right) {
+ if (pad.B_pressed()) {
+
+ _direction = left;
+ } //check these are orrecrt
+ }
+ if(direction != down) {
+ if (pad.X_pressed()) {
+
+ _direction = up;
+ }
+ }
+ if(direction != up) {
+ if (pad.Y_pressed()) {
+
+ _direction = down;
+ } else {
+ _direction = direction;
+ }
-int Snake::set_direction(Gamepad &pad) //int type as Directions is an enum
-{
-
- Directions _direction;
+ if (_direction == up) { // /-/
+ _x3 = _x2;
+ _y3 = _y2;
+ _x2 = _x1;
+ _y2 = _y1;
+ _x1 = _x0;
+ _y1 = _y0;
-
- if (pad.A_pressed()) {
- _direction = right;
- }
+ _x0 = _x0;
+ _y0 = _y0 + 1;
- if (pad.B_pressed()) {
- _direction = left; //check these are orrecrt
- }
+ ///// alters Snakehead initial value
+ // Does this code look okay ? returning _direction in previous function and accessing it in this one - _direction should be member function
+ }
+ if (_direction == down) {
+ _x3 = _x2;
+ _y3 = _y2;
+ _x2 = _x1;
+ _y2 = _y1;
+ _x1 = _x0;
+ _y1 = _y0;
- if (pad.X_pressed()) {
- _direction = up;
- }
- if (pad.Y_pressed()) {
- _direction = down;
- } else {
- _direction = _direction;
- }
- return _direction;
-}
+ _x0 = _x0;
+ _y0 = _y0 - 1;
+
+ }
+ if (_direction == left) {
+
+ _x3 = _x2;
+ _y3 = _y2;
+ _x2 = _x1;
+ _y2 = _y1;
+ _x1 = _x0;
+ _y1 = _y0;
+
+ _x0 = _x0 - 1;
+ _y0 = _y0;
-void Snake::move_snakebody(GameEngine &engine, N5110 &lcd)
-{
- lcd.refresh();
-
- Vector2D *_snakebody = new Vector2D [_length];
- _snakebody[0].x = S0.x; //assign _sb0[0] before changing value
- _snakebody[0].y = S0.y; //engine.get_oldSnakehead; // _engine.get_oldSnakehead();
-
-
- while(1) {
- if (_direction == up) { // /-/
- S0.y++; ///// alters Snakehead initial value
- // Does this code look okay ? returning _direction in previous function and accessing it in this one - _direction should be member function
- }
- if (_direction == down) { // Direction should remain after button is pressed - should not just change the snakehead coordinate once
- S0.y--;
- }
- if (_direction == left) {
- S0.x--;
}
if (_direction == right) {
- S0.x++;
- }
- lcd.setPixel(S0.x, S0.y, 1);
- //updates the head position before rendering so when it draws i=1 the 0 position will be new
- for(int i=1; i<=_length; i++) { //0 being head of snake so snakepos[1]=snakepos[0] which is the head - moving up one place
- _snakebody[i].x = _snakebody[i-1].x;
- _snakebody[i].y = _snakebody[i-1].y; //plotting of snake
-
- lcd.setPixel(_snakebody->x, _snakebody->y, 1); //pointer used - need to point to x and y
- //Snake needs to follow itself - low numbers lead the way
+ _x3 = _x2;
+ _y3 = _y2;
+ _x2 = _x1;
+ _y2 = _y1;
+ _x1 = _x0;
+ _y1 = _y0;
- if((_snakebody[i].x == _snakebody[0].x) && (_snakebody[i].x == _snakebody[0].x)) { // Unsure how to initially define the snake with (3 bits, when score =0) starting position *without* redeclaring Vector2D *snakebody = new Vector2D [_length];
- _gameover = true;
- }
+ _x0 = _x0 + 1;
+ _y0 = _y0;
+
+
}
}
+
}
-void Snake::check_wall_collisions() // Vector2D *&snakebody hopefully this points to values stored in snakebody then can compare to snakehead
+
+//MAKE WALL CLASS // MAIN MENU DIFFERENT DIFFUCLTIES CHANGING fps
+//DRAW RECTANGLE - SHRINK // CHANE SHAPE AFTER CERTAIN SCORE --- SET UP TIMER
+
+//NOTES - maybe make 2 player - joystick is player 2
+
+
+
+
+
+
+void Snake::get_LEDs(Gamepad &pad)
{
+ pad.leds_off();
- if (S0.x == 0 || S0.x == 84 || S0.y == 0 || S0.y == 42) { //how do i access snakehead.headx
+ if (_x0 >= 42 && _y0 >= 24) {
+ // top right led on
+
+ pad.led(4, 1);
+ }
+ // topleft led on
+ if (_x0 <= 42 && _y0 >=24) {
+ // top right led on
+ pad.led(1, 1);
+ }
+ //bottom left
+ if (_x0 <=42 && _y0 <= 24) {
+
+ pad.led(3,1);
+ }
+ //bottom right
+ if (_x0 >= 42 && _y0 <= 24) {
+ // top right led on
+ pad.led(6, 1);
+ }
+}
+
+
+void Snake::get_timer(Timer &timer)
+{
+ _realtime = timer.read();
+ _display_time = (Reset_value - _realtime);
+ if(_realtime == Reset_value) {
_gameover = true;
+ }
+
+ if (0 <= _score && _score < 10) {
+ Reset_value = 12;
+ }
+ if (10 <= _score && _score < 15) {
+ Reset_value = 10;
+ }
+ if (15 <= _score && _score < 20) {
+ Reset_value = 8;
} else {
-
- _gameover = _gameover;
+ Reset_value = 6;
+ }
+
+
+
+}
+
+
+bool Snake::get_gameover()
+{
+ return _gameover;
+}
+int Snake::get_score()
+{
+ return _score;
}
+
+void Snake::print_scores(N5110 &lcd)
+{
+ int score = _score;
+
+ char buffer1[14];
+ sprintf(buffer1,"%2d",score);
+ lcd.printString(buffer1,WIDTH/2 - 3,1); // font is 8 wide, so leave 4 pixel gape from middle assuming two digits
+ char buffer2[14];
}
+
+void Snake::print_display_time(N5110 &lcd)
+{
+ int countdown = _realtime;
+
+ char buffer1[14];
+ sprintf(buffer1,"%2d",countdown);
+ lcd.printString(buffer1,WIDTH/2,1); // font is 8 wide, so leave 4 pixel gape from middle assuming two digits
+ char buffer2[14];
+}
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