Diff: Bullet.cpp

Revision:

1:a6ead8050c23

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Bullet.cpp	Thu May 14 17:00:34 2020 +0000
@@ -0,0 +1,72 @@
+#include "Bullet.h"
+
+Bullet::Bullet()
+{
+
+}
+
+Bullet::~Bullet()
+{
+
+}
+
+void Bullet::init(int r,int vv)
+{
+    _r = r;
+    srand(time(NULL));
+    _x = rand()%(84-_r);   //the inintial ball fall from the top
+    _y = 0;
+
+    srand(time(NULL));
+    int direction = rand()%4;     //the direction of the ball has four possibility
+
+    // 4 possibilities. Get random modulo and set velocities accordingly
+    if (direction == 0) {
+        _velocity.x = vv;
+        _velocity.y = vv;
+    } else if (direction == 1) {
+        _velocity.x = vv;
+        _velocity.y = -vv;
+    } else if (direction == 2) {
+        _velocity.x = vv;
+        _velocity.y = vv;
+    } else {
+        _velocity.x = -vv;
+        _velocity.y = -vv;
+    }
+}
+
+void Bullet::draw(N5110 &lcd)
+{
+    lcd.drawRect(_x,_y,_r,_r,FILL_BLACK);      //draw the ball
+}
+
+void Bullet::update()
+{
+    _x += _velocity.x;
+    _y += _velocity.y;
+}
+
+void Bullet::set_velocity(Vector2D v)
+{
+    _velocity.x = v.x;
+    _velocity.y = v.y;
+}
+
+Vector2D Bullet::get_velocity()
+{
+    Vector2D v = {_velocity.x,_velocity.y};
+    return v;
+}
+
+Vector2D Bullet::get_pos()
+{
+    Vector2D p = {_x,_y};
+    return p;
+}
+
+void Bullet::set_pos(Vector2D p)
+{
+    _x = p.x;
+    _y = p.y;
+}
\ No newline at end of file