pineal_render/
color.rs

1//! Color RGBA en f32, agnóstico de backend.
2
3#[derive(Debug, Clone, Copy, PartialEq)]
4pub struct Color {
5    pub r: f32,
6    pub g: f32,
7    pub b: f32,
8    pub a: f32,
9}
10
11impl Color {
12    pub const TRANSPARENT: Self = Self::rgba(0.0, 0.0, 0.0, 0.0);
13    pub const BLACK: Self = Self::rgb(0.0, 0.0, 0.0);
14    pub const WHITE: Self = Self::rgb(1.0, 1.0, 1.0);
15
16    pub const fn rgb(r: f32, g: f32, b: f32) -> Self {
17        Self { r, g, b, a: 1.0 }
18    }
19    pub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Self {
20        Self { r, g, b, a }
21    }
22
23    /// Construye desde 0xRRGGBB hex literal.
24    pub fn from_hex(rgb: u32) -> Self {
25        let r = ((rgb >> 16) & 0xff) as f32 / 255.0;
26        let g = ((rgb >> 8) & 0xff) as f32 / 255.0;
27        let b = (rgb & 0xff) as f32 / 255.0;
28        Self::rgb(r, g, b)
29    }
30
31    /// Multiplica el canal alpha — útil para fade del phosphor trail.
32    pub fn with_alpha(self, a: f32) -> Self {
33        Self { a, ..self }
34    }
35}
pineal_render/color.rs

pineal_render/
color.rs
