src/main.rs

@@ -1,70 +1,23 @@
-#[derive(Copy, Clone)]
-struct RGB {
-    red: u8,
-    green: u8,
-    blue: u8,
+struct Vector3 {
+    x: f32,
+    y: f32,
+    z: f32,
 }
 
-impl RGB {
-    fn new(red: u8, green: u8, blue: u8) -> RGB {
-        RGB { red, green, blue }
-    }
-
-    fn black() -> RGB {
-        RGB {
-            red: 0,
-            green: 0,
-            blue: 0,
+impl Vector3 {
+    pub fn new(x: f32, y: f32, z: f32) -> Vector3 {
+        Vector3 { x, y, z }
     }
 }
 
-    fn white() -> RGB {
-        RGB {
-            red: 255,
-            green: 255,
-            blue: 255,
-        }
-    }
-}
-
-struct Image {
-    width: usize,
-    height: usize,
-    data: Vec<RGB>,
-}
-
-impl Image {
-    fn new(width: usize, height: usize, data: Vec<RGB>) -> Image {
-        if width * height != data.len() {
-            panic!("Width and height of image does not match amount of data.");
-        }
-
-        let img = Image {
-            width,
-            height,
-            data,
-        };
-
-        img
-    }
-
-    fn white_image(width: usize, height: usize) -> Image {
-        let mut data = Vec::new();
-
-        for i in 0..width * height {
-            data.push(RGB::white());
-        }
-
-        Image::new(width, height, data)
-    }
-
-    fn get(&self, x: usize, y: usize) -> RGB {
-        self.data[y * self.width + x]
-    }
+fn print(vec: Vector3) {
+    println!("Vector3( x = {}, y = {}, z = {})", vec.x, vec.y, vec.z);
 }
 
 fn main() {
-    let image = Image::white_image(640, 480);
+    let mut vec = Vector3::new(1.0, 0.0, 0.0);
 
-    let c = image.get(0, 0);
+    print(vec);
+
+    vec.y = 2.0;
 }