gizmo_engine/
color.rs

1use gizmo_math::Vec4;
2
3/// Bevy benzeri renk tipi. RGBA float değerleri (0.0 - 1.0) tutar.
4#[derive(Debug, Clone, Copy, PartialEq)]
5pub struct Color(pub Vec4);
6
7impl Color {
8    // ─── Temel Renkler ────────────────────────────────────────────────────────
9    pub const RED: Color = Color(Vec4::new(1.0, 0.0, 0.0, 1.0));
10    pub const GREEN: Color = Color(Vec4::new(0.0, 1.0, 0.0, 1.0));
11    pub const BLUE: Color = Color(Vec4::new(0.0, 0.0, 1.0, 1.0));
12    pub const WHITE: Color = Color(Vec4::new(1.0, 1.0, 1.0, 1.0));
13    pub const BLACK: Color = Color(Vec4::new(0.0, 0.0, 0.0, 1.0));
14    pub const YELLOW: Color = Color(Vec4::new(1.0, 1.0, 0.0, 1.0));
15    pub const CYAN: Color = Color(Vec4::new(0.0, 1.0, 1.0, 1.0));
16    pub const MAGENTA: Color = Color(Vec4::new(1.0, 0.0, 1.0, 1.0));
17    pub const ORANGE: Color = Color(Vec4::new(1.0, 0.5, 0.0, 1.0));
18    pub const GRAY: Color = Color(Vec4::new(0.5, 0.5, 0.5, 1.0));
19    pub const DARK_GRAY: Color = Color(Vec4::new(0.2, 0.2, 0.2, 1.0));
20    pub const TRANSPARENT: Color = Color(Vec4::new(0.0, 0.0, 0.0, 0.0));
21
22    // ─── Yapıcılar ────────────────────────────────────────────────────────────
23
24    /// RGB float değerleriyle oluştur (0.0 - 1.0 arası).
25    #[inline]
26    pub const fn rgb(r: f32, g: f32, b: f32) -> Self {
27        Color(Vec4::new(r, g, b, 1.0))
28    }
29
30    /// RGBA float değerleriyle oluştur (0.0 - 1.0 arası).
31    #[inline]
32    pub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Self {
33        Color(Vec4::new(r, g, b, a))
34    }
35
36    /// 0-255 arasında RGB tam sayı değerleriyle oluştur.
37    #[inline]
38    pub fn rgb8(r: u8, g: u8, b: u8) -> Self {
39        Color(Vec4::new(
40            r as f32 / 255.0,
41            g as f32 / 255.0,
42            b as f32 / 255.0,
43            1.0,
44        ))
45    }
46
47    /// Hex string ile oluştur. Örnek: `Color::hex("#FF5733")`, `Color::hex("FF5733")` veya RGBA `#FF5733AA`.
48    pub fn hex(s: &str) -> Self {
49        let s = s.trim_start_matches('#');
50        let bytes = s.as_bytes();
51        let parse = |i: usize| -> f32 {
52            let slice = std::str::from_utf8(&bytes[i..i + 2]).unwrap_or("ff");
53            u8::from_str_radix(slice, 16).unwrap_or(255) as f32 / 255.0
54        };
55        if bytes.len() >= 8 {
56            Color(Vec4::new(parse(0), parse(2), parse(4), parse(6)))
57        } else if bytes.len() >= 6 {
58            Color(Vec4::new(parse(0), parse(2), parse(4), 1.0))
59        } else {
60            Color::WHITE
61        }
62    }
63
64    /// Rengi Hex formatına dönüştürüp döndürür. Örnek: "#FF5733"
65    pub fn to_hex(self) -> String {
66        let r = (self.0.x.clamp(0.0, 1.0) * 255.0).round() as u8;
67        let g = (self.0.y.clamp(0.0, 1.0) * 255.0).round() as u8;
68        let b = (self.0.z.clamp(0.0, 1.0) * 255.0).round() as u8;
69
70        if self.0.w < 0.999 {
71            let a = (self.0.w.clamp(0.0, 1.0) * 255.0).round() as u8;
72            format!("#{:02X}{:02X}{:02X}{:02X}", r, g, b, a)
73        } else {
74            format!("#{:02X}{:02X}{:02X}", r, g, b)
75        }
76    }
77
78    /// İki renk arasında lineer interpolasyon (karıştırma) yapar.
79    pub fn lerp(self, other: Color, t: f32) -> Color {
80        let t = t.clamp(0.0, 1.0);
81        Color(Vec4::new(
82            self.0.x + (other.0.x - self.0.x) * t,
83            self.0.y + (other.0.y - self.0.y) * t,
84            self.0.z + (other.0.z - self.0.z) * t,
85            self.0.w + (other.0.w - self.0.w) * t,
86        ))
87    }
88
89    /// Alfa (şeffaflık) ile birleştir.
90    #[inline]
91    pub fn with_alpha(mut self, a: f32) -> Self {
92        self.0.w = a;
93        self
94    }
95
96    /// İç Vec4 değerini döndür.
97    #[inline]
98    pub fn to_vec4(self) -> Vec4 {
99        self.0
100    }
101}
102
103impl From<Color> for Vec4 {
104    fn from(c: Color) -> Vec4 {
105        c.0
106    }
107}
108
109impl From<Vec4> for Color {
110    fn from(v: Vec4) -> Color {
111        Color(v)
112    }
113}
gizmo_engine/color.rs

gizmo_engine/
color.rs
