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canary-rs
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Unhide includes parent as neighbor and rotates around it

This commit is contained in:
mars 2022-11-04 19:59:01 -06:00
parent be816127fb
commit ca3877f96c
1 changed files with 7 additions and 4 deletions
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11
scripts/force-directed-graph/src/lib.rs
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@ -18,7 +18,7 @@ impl Default for Body {
position: Vec2::ZERO,
velocity: Vec2::ZERO,
acceleration: Vec2::ZERO,
friction: 0.1,
friction: 0.015,
mass: 1.0,
fixed: false,
}
@ -236,7 +236,7 @@ pub struct Constraint {
impl Constraint {
pub fn apply(&self, mut delta: Vec2) -> Vec2 {
const ALPHA: f32 = 0.1;
const ALPHA: f32 = 0.4;
let distance = delta.length();
let displacement = distance - self.length;
delta *= displacement / distance * self.strength * ALPHA;
@ -335,15 +335,18 @@ impl ForceGraph {
}
let mut neighbor_num = children.len();
let mut rotate_by = Vec2::new(1.0, 0.0);
if node.info.parent.is_some() {
if let Some(parent) = node.info.parent {
neighbor_num += 1;
rotate_by = self.nodes[parent].body.position - position;
rotate_by = rotate_by.normalize();
}
let theta = std::f32::consts::TAU / neighbor_num as f32;
for (index, child) in children.into_iter().enumerate() {
let angle = Vec2::from_angle((index + 1) as f32 * theta);
let angle = Vec2::from_angle((index + 1) as f32 * theta).rotate(rotate_by);
let child = &mut self.nodes[child];
child.info.hidden = false;
child.body.fixed = false;