public Ball GetNearestBall(Vector3 position) {
OpenPoolManager manager = OpenPoolManager.instance;
Ball nearest_ball = balls[0];
float nearest_distance = float.MaxValue;
for(int i=1; i<balls.Length; ++i) {
Ball ball = balls[i];
if(ball.isTracked) {
Vector3 pos = manager.ScreenToWorld(ball.position);
float d = Vector3.Distance(position, pos);
if(nearest_distance > d) {
nearest_distance = d;
nearest_ball = ball;
}
}
}
if(nearest_ball.isTracked) {
return nearest_ball;
}
else {
return null;
}
}
public override void DrawDebug ()
{
GL.Begin (GL.LINES);
GL.Color (Color.green);
OpenPoolManager manager = OpenPoolManager.instance;
foreach(Ball ball in balls) {
if(ball.isTracked) {
Vector3 from = manager.ScreenToWorld(ball.position);
Vector3 direction = new Vector3(ball.velocity.x, 0, -ball.velocity.y) * 50f;
// cube
GLUtils.DrawCube(from, Config.BALL_RADIUS);
// velocity
GL.Vertex(from);
GL.Vertex(from+direction);
}
}
GL.End ();
}