Diff: Ball/Ball.cpp

Revision:

0:19e5a063d7ea

diff -r 000000000000 -r 19e5a063d7ea Ball/Ball.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ball/Ball.cpp	Thu May 09 04:28:26 2019 +0000
@@ -0,0 +1,81 @@
+#include "Ball.h"
+
+Ball::Ball()
+{
+    
+}
+
+Ball::~Ball()
+{
+    
+}
+
+void Ball::init(int size, int speed)
+{
+    _size = size;
+    
+    _x = WIDTH/2 - _size/2;
+    _y = HEIGHT/2 - _size/2;
+    
+    _radius = _size/2;
+    
+    // let the ball be fired randomly in one direction
+    srand(time(NULL));
+    int direction = rand() % 4;
+    // 4 possiblities
+    if (direction == 0) {
+        _speed.x = speed;
+        _speed.y = speed;
+    } else if (direction == 1) {
+        _speed.x = speed;
+        _speed.y = -speed;
+    } else if (direction == 2) {
+        _speed.x = speed;
+        _speed.y = speed;
+    } else {
+        _speed.x = -speed;
+        _speed.y = -speed;
+    }
+    
+    
+}
+
+// draw pinball
+void Ball::draw(N5110 &lcd)
+{
+    lcd.drawCircle(_x,_y,_radius,FILL_TRANSPARENT);
+}
+
+void Ball::update()
+{
+    _x += _speed.x;
+    _y += _speed.y;
+}
+
+void Ball::set_speed(Vector2D speed)
+{
+    _speed.x = speed.x;
+    _speed.y = speed.y;
+}
+
+Vector2D Ball::get_speed()
+{
+    Vector2D speed = {_speed.x,_speed.y};
+    return speed;
+}
+
+void Ball::set_position(Vector2D position)
+{
+    _x = position.x;
+    _y = position.y;
+}
+
+Vector2D Ball::get_position()
+{
+    Vector2D position = {_x,_y};
+    return position;
+}
+
+
+
+