Diff: Ball.cpp

Revision:

1:ba8bb10ebd5a

Parent:

0:4c58ed26b6ea

Child:

2:bcb96ab2848b

diff -r 4c58ed26b6ea -r ba8bb10ebd5a Ball.cpp
--- a/Ball.cpp	Tue Apr 04 10:30:48 2017 +0000
+++ b/Ball.cpp	Fri Apr 07 10:29:08 2017 +0000
@@ -18,20 +18,29 @@
     
 }
 
-void Ball::draw(N5110 &lcd, int x, int y, int radius)
-{   
-    // lcd.clear();
-    float _x = x;
-    float _y = y;
-    float _radius = radius;
+void Ball::init(int x, int y, int radius)
+{
+    // properties of ball are set with values passed down from engine
+    _x = x;
+    _y = y;
+    _radius = radius;
     
-    printf("INPUT: x = %i, y = %i, radius = %i \n", x, y, radius);
-    printf("DRAW FUNCTION: x = %f, y = %f, radius = %f \n", _x, _y, _radius);
-    // lcd.drawCircle(x,y,radius,filltype);
+    velocity.x = SPEED; // arbitrary speed of moving 1 pixel per update
+    velocity.y = SPEED;
     
-    // lcd.drawCircle(43, 21, 5, FILL_TRANSPARENT);
-    lcd.drawCircle(_x, _y, _radius, FILL_TRANSPARENT);
-    lcd.refresh();
+    // printf("INPUT: x = %i, y = %i, radius = %i \n", x, y, radius);
+    // printf("DRAW FUNCTION: x = %f, y = %f, radius = %f \n", _x, _y, _radius);
 }
 
+void Ball::update()
+{
+    // new coordinates for the centre of the ball
+    _x += velocity.x;
+    _y += velocity.y;
+    
+}
 
+void Ball::draw(N5110 &lcd)
+{
+    lcd.drawCircle(_x, _y, _radius, FILL_BLACK);
+}
\ No newline at end of file