upd: mapping 0-1 to byte

2 files changed, 11 insertions, 5 deletions

diff --git a/src/global.rs b/src/global.rs
index cb616b1..3a1e329 100644
--- a/src/global.rs
+++ b/src/global.rs
@@ -8,6 +8,16 @@ pub struct Pixel {
     pub b: u8,
 }
 
+impl Pixel {
+    pub fn from_frac(r: f32, g: f32, b: f32) -> Self {
+        Self {
+            r: (255.999 * r) as u8,
+            g: (255.999 * g) as u8,
+            b: (255.999 * b) as u8,
+        }
+    }
+}
+
 impl Default for Pixel {
     fn default() -> Self {
         Pixel { r:0, g:0, b:0 }
diff --git a/src/main.rs b/src/main.rs
index 2c81847..abad7ff 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,11 +24,7 @@ fn test_render(data: &mut DisplayBuffer) {
             let g = j as f32 / IMG_HEIGHT as f32;
             let b = 0.0f32;
 
-            let ir = (255.999 * r) as u8;
-            let ig = (255.999 * g) as u8;
-            let ib = (255.999 * b) as u8;
-
-            data[i][j] = Pixel { r: ir, g: ig, b: ib};
+            data[i][j] = Pixel::from_frac(r, g, b);
         })
     });
 }