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8a1089938e
* Remove log statements * Add feature gates to functions in path.rs * Fix infinite parsing loop and add new test * License tweaks * Remove trailing zero in whole number floats * Flatten visual-tests directory * Code review * Clean up printlines * Add error handling to path parsing --------- Co-authored-by: Keavon Chambers <keavon@keavon.com>
24 lines
572 B
Rust
24 lines
572 B
Rust
use glam::{DVec2, FloatExt};
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pub use std::f64::consts::PI;
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pub fn lin_map(value: f64, in_min: f64, in_max: f64, out_min: f64, out_max: f64) -> f64 {
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((value - in_min) / (in_max - in_min)) * (out_max - out_min) + out_min
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}
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pub fn lerp(a: f64, b: f64, t: f64) -> f64 {
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a.lerp(b, t)
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}
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pub fn vector_angle(u: DVec2, v: DVec2) -> f64 {
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const EPS: f64 = 1e-12;
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let sign = u.x * v.y - u.y * v.x;
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if sign.abs() < EPS && (u + v).length_squared() < EPS * EPS {
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// TODO: `u` can be scaled
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return PI;
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}
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sign.signum() * (u.dot(v) / (u.length() * v.length())).acos()
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}
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