Isometric Projection

The isometric projection converts 3D force-directed positions to 2D screen coordinates.

iso_project

#![allow(unused)]
fn main() {
pub fn iso_project(p: Vec3, scale: f32, origin: Vec2) -> Vec2
}

Parameters

• p: 3D position from force layout (Vec3)
• scale: Pixel scale factor (default: 32.0)
• origin: Screen center point (Vec2)

Returns

2D screen coordinates (Vec2)

Formula

#![allow(unused)]
fn main() {
x = origin.x + (p.x - p.z) * scale * 0.866  // cos(30°)
y = origin.y + (p.x + p.z) * scale * 0.5 - p.y * scale
}

This produces a classic dimetric isometric view with 2:1 pixel ratio.

Usage

#![allow(unused)]
fn main() {
let screen_pos = iso_project(node_position, 32.0, Vec2::new(400.0, 300.0));
}