Diff: Objects/Objects.cpp

Revision:

2:888634fff8ff

Parent:

1:2d3139578aca

Child:

3:aa82968b7a8e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Objects/Objects.cpp	Sat Apr 06 12:08:39 2019 +0000
@@ -0,0 +1,78 @@
+
+#include "Objects.h"
+
+// nothing doing in the constructor and destructor
+Objects::Objects()
+{
+
+}
+
+Objects::~Objects()
+{
+
+}
+
+void Objects::init(int size,int speed)
+{
+    _size = size;
+
+    _x_edge = WIDTH -  _size/2; // Edge of horizontal
+    _y_edge = HEIGHT - _size/2; // Edge of vertical
+    
+    
+    _x = rand() % _x_edge; // Generate random position on the screen - 0 to the edge
+    _y = rand() % _y_edge; // Generate random position on the screen - 0 to the edge
+
+    srand(time(NULL));
+    int direction = rand() % 4; // randomise initial 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 {
+        _velocity.x = -speed;
+        _velocity.y = -speed;
+    }
+}
+
+void Objects::draw(N5110 &lcd)
+{
+    lcd.drawCircle(_x,_y,_size,FILL_BLACK);  // x,y,radius,black fill
+}
+
+void Objects::update()
+{
+    _x += _velocity.x;
+    _y += _velocity.y;
+}
+
+void Objects::set_velocity(Vector2D v)
+{
+    _velocity.x = v.x;
+    _velocity.y = v.y;
+}
+
+Vector2D Objects::get_velocity()
+{
+    Vector2D v = {_velocity.x,_velocity.y};
+    return v;
+}
+
+Vector2D Objects::get_pos()
+{
+    Vector2D p = {_x,_y};
+    return p;
+}
+
+void Objects::set_pos(Vector2D p)
+{
+    _x = p.x;
+    _y = p.y;
+}
\ No newline at end of file