translate: Stub out the pointed cap style.

src/translate.rs

@@ -59,11 +59,67 @@ fn cap_layers_dome(mushroom: &Mushroom, base: &Vertex, resolution: f32) -> Vec<l
     return result;
 }
 
+fn cap_layers_pointed(mushroom: &Mushroom, base: &Vertex, resolution: f32) -> Vec<layers::Layer> {
+    // use spline::{Interpolation, Key, Spline};
+
+    // fn main() {
+    //     // Define the example points
+    //     let x_points = vec![0.0, 1.0, 2.0];
+    //     let y_points = vec![1.0, 0.2, 0.0];
+
+    //     // Create the keys for the spline
+    //     let keys: Vec<Key<f64, f64>> = x_points
+    //         .iter()
+    //         .zip(y_points.iter())
+    //         .map(|(&x, &y)| Key::new(x, y, Interpolation::CatmullRom))
+    //         .collect();
+
+    //     // Create the spline
+    //     let spline = Spline::from_vec(keys);
+
+    //     // Function to solve for x given y
+    //     let y_target = 0.5;
+    //     if let Some(x_solved) = solve_for_x(&spline, y_target, 0.0, 2.0, 1e-6, 1000) {
+    //         println!("x value for y = {} is x = {}", y_target, x_solved);
+    //     } else {
+    //         println!("Could not find x value for y = {}", y_target);
+    //     }
+    // }
+
+    // Function to solve for x given y using binary search
+    // fn solve_for_x(spline: &Spline<f64, f64>, y: f64, x_min: f64, x_max: f64, tol: f64, max_iter: usize) -> Option<f64> {
+    //     let mut left = x_min;
+    //     let mut right = x_max;
+    //     let mut iter = 0;
+
+    //     while right - left > tol && iter < max_iter {
+    //         let mid = (left + right) / 2.0;
+    //         let y_mid = spline.clamped_sample(mid).unwrap_or(0.0);
+
+    //         if (y_mid - y).abs() < tol {
+    //             return Some(mid);
+    //         } else if y_mid < y {
+    //             left = mid;
+    //         } else {
+    //             right = mid;
+    //         }
+
+    //         iter += 1;
+    //     }
+
+    //     None
+    // }
+
+    // TODO:
+    // Investigate using spline to generate a pointed style cap.
+    return cap_layers_dome(mushroom, base, resolution);
+}
+
 fn cap_layers(mushroom: &Mushroom, base: &Vertex, resolution: f32) -> Vec<layers::Layer> {
     match mushroom.cap_style {
         CapStyle::Cylinder => cap_layers_cylinder(mushroom, base),
         CapStyle::Dome => cap_layers_dome(mushroom, base, resolution),
-        CapStyle::Pointed => cap_layers_dome(mushroom, base, resolution),
+        CapStyle::Pointed => cap_layers_pointed(mushroom, base, resolution),
     }
 }