Diff: Ball/Ball.cpp

Revision:

12:f8eb397226bc

Parent:

5:3c9407e2fe55

--- a/Ball/Ball.cpp	Tue Apr 17 08:00:08 2018 +0000
+++ b/Ball/Ball.cpp	Mon May 06 04:11:38 2019 +0000
@@ -10,35 +10,37 @@
 
 }
 
-void Ball::init(int size,int speed)
+void Ball::init(int size,int speed, int direction)
 {
     _size = size;
 
-    _x = WIDTH/2 -  _size/2;
-    _y = HEIGHT/2 - _size/2;
+    _x =  _size/2;
+    _y =  _size/2;
 
     srand(time(NULL));
-    int direction = rand() % 4; // randomise initial direction. 
-
+     direction = rand() % 4; // randomise initial direction. 
+    _direction = direction;
     // 4 possibilities. Get random modulo and set velocities accordingly
     if (direction == 0) {
         _velocity.x = speed;
         _velocity.y = speed;
     } else if (direction == 1) {
+        _velocity.x = -speed;
+        _velocity.y = speed;
+    } else if (direction == 2) {
         _velocity.x = speed;
         _velocity.y = -speed;
-    } else if (direction == 2) {
-        _velocity.x = speed;
-        _velocity.y = speed;
     } else {
         _velocity.x = -speed;
         _velocity.y = -speed;
     }
+    
+    
 }
 
 void Ball::draw(N5110 &lcd)
 {
-    lcd.drawRect(_x,_y,_size,_size,FILL_BLACK);
+    lcd.drawCircle(_x,_y,_size,FILL_BLACK);
 }
 
 void Ball::update()
@@ -59,13 +61,13 @@
     return v;
 }
 
-Vector2D Ball::get_pos()
+Vector2D Ball::get_pos() // get ball pos form lcd
 {
     Vector2D p = {_x,_y};
     return p;
 }
 
-void Ball::set_pos(Vector2D p)
+void Ball::set_pos(Vector2D p) // change lcd into cooredinat
 {
     _x = p.x;
     _y = p.y;