proof-engine 0.2.3

Real-time graphics from math: glyphs and particles moved by ODEs, strange attractors and force fields, drawn with HDR bloom on OpenGL.
Documentation 
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// ── Additional map utility types ─────────────────────────────────────────────

#[derive(Clone, Debug, Default)]
pub struct MapEventTrigger {
    pub id: u32,
    pub position: (i32, i32),
    pub radius: u32,
    pub event_id: String,
    pub one_shot: bool,
    pub triggered: bool,
}

impl MapEventTrigger {
    pub fn new(id: u32, position: (i32, i32), radius: u32, event_id: impl Into<String>) -> Self {
        Self { id, position, radius, event_id: event_id.into(), one_shot: true, triggered: false }
    }
    pub fn in_range(&self, x: i32, y: i32) -> bool {
        let dx = x - self.position.0; let dy = y - self.position.1;
        (dx*dx + dy*dy) as u32 <= self.radius * self.radius
    }
    pub fn trigger(&mut self) -> bool {
        if self.triggered && self.one_shot { return false; }
        self.triggered = true; true
    }
    pub fn reset(&mut self) { self.triggered = false; }
}

pub const MAP_MAX_EVENT_TRIGGERS: usize = 512;
pub const MAP_CHUNK_LOAD_RADIUS: u32 = 3;
pub const MAP_CHUNK_UNLOAD_RADIUS: u32 = 5;
pub const MAP_MIN_ROAD_WIDTH: u32 = 1;
pub const MAP_MAX_ROAD_WIDTH: u32 = 8;