From 6551a0b2ab6c831dd1d3646ecf55180339275e22 Mon Sep 17 00:00:00 2001 From: Bingus Date: Thu, 11 May 2023 09:12:06 -0700 Subject: Added support for gradients as background variants + other optimizations. --- core/src/angle.rs | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 core/src/angle.rs (limited to 'core/src/angle.rs') diff --git a/core/src/angle.rs b/core/src/angle.rs new file mode 100644 index 00000000..75a57c76 --- /dev/null +++ b/core/src/angle.rs @@ -0,0 +1,33 @@ +use crate::{Point, Rectangle, Vector}; +use std::f32::consts::PI; + +#[derive(Debug, Copy, Clone, PartialEq)] +/// Degrees +pub struct Degrees(pub f32); + +#[derive(Debug, Copy, Clone, PartialEq)] +/// Radians +pub struct Radians(pub f32); + +impl From for Radians { + fn from(degrees: Degrees) -> Self { + Radians(degrees.0 * PI / 180.0) + } +} + +impl Radians { + /// Calculates the line in which the [`Angle`] intercepts the `bounds`. + pub fn to_distance(&self, bounds: &Rectangle) -> (Point, Point) { + let v1 = Vector::new(f32::cos(self.0), f32::sin(self.0)); + + let distance_to_rect = f32::min( + f32::abs((bounds.y - bounds.center().y) / v1.y), + f32::abs(((bounds.x + bounds.width) - bounds.center().x) / v1.x), + ); + + let start = bounds.center() + v1 * distance_to_rect; + let end = bounds.center() - v1 * distance_to_rect; + + (start, end) + } +} -- cgit