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use crate::state::{MAX_SPEED, TAU};
const POINT_RADIUS: f64 = 0.01;
fn rand_color() -> String {
let [r, g, b] = [
fastrand::u8(0..255),
fastrand::u8(0..255),
fastrand::u8(0..255),
];
format!("rgb({r} {g} {b})",)
}
#[derive(Clone, Debug)]
pub struct Point {
pub x: f64,
pub y: f64,
pub radius: f64,
pub heading: f64,
pub speed: f64,
pub color: String,
}
impl Point {
pub fn new(x: f64, y: f64) -> Self {
Self {
x,
y,
radius: POINT_RADIUS,
heading: fastrand::f64() * TAU,
speed: fastrand::f64() * MAX_SPEED,
color: rand_color(),
}
}
pub fn equal_pos(&self, other: &Self) -> bool {
self.x == other.x && self.y == other.y
}
pub fn dot(&self, other: &Self) -> f64 {
self.x * other.x + self.y * other.y
}
pub fn mag(&self) -> f64 {
(self.x.powi(2) + self.y.powi(2)).sqrt()
}
pub fn speed_x(&self) -> f64 {
self.speed * self.heading.cos()
}
pub fn speed_y(&self) -> f64 {
self.speed * self.heading.sin()
}
}
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