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extern crate rand;
extern crate serde_json;
use self::rand::distributions::Range;
use self::rand::distributions::Sample;
use item::Item;
use storage::Storage;
use mass::{Mass, MassType};
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Astroid {
mass_type : MassType,
position : (f64, f64, f64),
velocity : (f64, f64, f64),
resouces : Storage,
}
impl Astroid {
pub fn new() -> Astroid {
let mut rng = rand::thread_rng();
let mut pr = Range::new(-50.0, 50.0);
let position = (pr.sample(&mut rng), pr.sample(&mut rng), pr.sample(&mut rng));
let mut vr = Range::new(-0.5, 0.5);
let velocity = (vr.sample(&mut rng), vr.sample(&mut rng), vr.sample(&mut rng));
let mut rr = Range::new(0, 20);
let mut resouces = Vec::new();
for _ in 0..rr.sample(&mut rng) {
resouces.push(Item::new("Iron", 1))
}
Astroid {
mass_type : MassType::Astroid,
position : position,
velocity : velocity,
resouces : Storage::new(resouces),
}
}
}
impl Mass for Astroid {
fn recv_mass_type(&self) -> MassType {
self.mass_type.clone()
}
fn position(&self) -> (f64, f64, f64) {
self.position
}
fn serialize(&self) -> String {
serde_json::to_string(self).unwrap()
}
fn box_clone(&self) -> Box<Mass> {
Box::new((*self).clone())
}
fn process(&mut self) {
self.position.0 += self.velocity.0;
self.position.1 += self.velocity.1;
self.position.2 += self.velocity.2;
}
fn recv_velocity(&self) -> (f64, f64, f64) {
self.velocity
}
fn give_acceleration(&mut self, acceleration : (f64, f64, f64)) {
self.velocity.0 += acceleration.0;
self.velocity.1 += acceleration.1;
self.velocity.2 += acceleration.2;
}
}
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