Moved node & material to own files

src/material.rs

@@ -0,0 +1,48 @@
+#[allow(dead_code)]
+use nalgebra::Vector3;
+// MATERIAL -----------------------------------------------------------------
+#[derive(Clone)]
+pub struct Material {
+    pub kd: Vector3<f32>,
+    pub ks: Vector3<f32>,
+    pub shininess: f32,
+}
+
+impl Material {
+    pub fn new(kd: Vector3<f64>, ks: Vector3<f64>, shininess: f64) -> Material {
+        let kd = kd.cast();
+        let ks = ks.cast();
+        let shininess = shininess as f32;
+        Material { kd, ks, shininess }
+    }
+    pub fn magenta() -> Material {
+        let kd = Vector3::new(1.0, 0.0, 1.0);
+        let ks = Vector3::new(1.0, 0.0, 1.0);
+        let shininess = 0.5;
+        Material { kd, ks, shininess }
+    }
+    pub fn turquoise() -> Material {
+        let kd = Vector3::new(0.25, 0.3, 0.7);
+        let ks = Vector3::new(0.25, 0.3, 0.7);
+        let shininess = 0.5;
+        Material { kd, ks, shininess }
+    }
+    pub fn red() -> Material {
+        let kd = Vector3::new(0.8, 0.0, 0.3);
+        let ks = Vector3::new(0.8, 0.3, 0.0);
+        let shininess = 0.5;
+        Material { kd, ks, shininess }
+    }
+    pub fn blue() -> Material {
+        let kd = Vector3::new(0.0, 0.3, 0.6);
+        let ks = Vector3::new(0.3, 0.0, 0.6);
+        let shininess = 0.5;
+        Material { kd, ks, shininess }
+    }
+    pub fn green() -> Material {
+        let kd = Vector3::new(0.0, 1.0, 0.0);
+        let ks = Vector3::new(0.0, 1.0, 0.0);
+        let shininess = 0.5;
+        Material { kd, ks, shininess }
+    }
+}