Diff: SnakeHead/SnakeHead.cpp

Revision:

5:256e5e0b6cd7

Child:

7:c67a5c6a874f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SnakeHead/SnakeHead.cpp	Thu May 14 12:06:26 2020 +0000
@@ -0,0 +1,104 @@
+#include "SnakeHead.h"
+
+SnakeHead::SnakeHead()
+{
+    
+}
+
+SnakeHead::~SnakeHead()
+{
+    
+}
+
+void SnakeHead::init(int size, int speed) {
+    _size = size*2;
+    _speed = speed;
+    
+    _x = WIDTH/2 - _size/2;
+    _y = HEIGHT/2 - _size/2;
+    
+    srand(time(NULL));
+    int direction = rand() %4;
+    
+    if (direction == 0) { //snake moves north
+        _velocity.x = -_speed;
+        _velocity.y = 0;
+        }
+    else if (direction == 1) { //snake moves east
+        _velocity.x = 0;
+        _velocity.y = _speed;
+        }
+    else if (direction == 2) { //sake moves south
+        _velocity.x = _speed;
+        _velocity.y = 0;
+        }
+    else { //snake moves west
+        _velocity.x = 0;
+        _velocity.y = -_speed;
+        }
+}
+
+void SnakeHead::draw(N5110 &lcd) {
+    lcd.drawRect(_x,_y,_size,2,FILL_BLACK);
+}
+
+void SnakeHead::update() {
+
+    _x += _velocity.x;
+    _y += _velocity.y;
+    
+    if (_x < 0) {
+        _x = 1;
+    } else if (_x > 84) {
+        _x = 84 - _size;
+    } else if (_y < 0) {
+        _y = 1;
+    } else if (_y > 48) {
+        _y = 48 - _size;
+    }
+    
+}
+
+void SnakeHead::change_direction(Direction d) {
+        
+        if (d == N) {
+            _velocity.x = 0;
+            _velocity.y = -_speed;
+        } else if (d == E) {
+            _velocity.x = _speed;
+            _velocity.y = 0;
+        } else if (d == S) {
+            _velocity.x = 0;
+            _velocity.y = _speed;
+        } else if (d == W) {
+            _velocity.x = -_speed;
+            _velocity.y = 0;
+        }
+        
+}
+
+void SnakeHead::set_velocity(Vector2D v) {
+    _velocity.x = v.x;
+    _velocity.y = v.y;
+}
+
+
+
+Vector2D SnakeHead::get_velocity() {
+
+    Vector2D v = {_velocity.x, _velocity.y};
+    return v;
+}
+
+Vector2D SnakeHead::get_pos() {
+        
+        Vector2D p = {_x, _y};
+        return p;
+}
+
+void SnakeHead::set_pos(Vector2D p) {
+    
+        _x = p.x;
+        _y = p.y;
+}        
+    
\ No newline at end of file