Optimize lerp creation

Now it uses Rc instead of Box, reducing the space and time complexity
from O(2^n) to O(n^2).

1 files changed, 12 insertions, 9 deletions

diff --git a/src/main.rs b/src/main.rs
index a61478f..25a3ec1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -118,13 +118,13 @@ fn compile_bezier_shader(c: &Bezier) -> GLuint {
       FragColor = vec4(r, c, 0.0, 1.0);
     }}
     ",
-        s   = c.degree,
-        vx  = c.show_x(),
-        vy  = c.show_y(),
-        px  = &c.px,
-        py  = &c.py,
-        sx  = c.px.degree() + 1,
-        sy  = c.py.degree() + 1,
+        s = c.degree,
+        vx = c.show_x(),
+        vy = c.show_y(),
+        px = &c.px,
+        py = &c.py,
+        sx = c.px.degree() + 1,
+        sy = c.py.degree() + 1,
         dpx = &c.dpx,
         dpy = &c.dpy,
         dsx = c.dpx.degree() + 1,
@@ -182,7 +182,10 @@ fn main() {
         gl::Viewport(0, 0, window_w as i32, window_h as i32);
     }
 
-    let vertices: [f32; 18] = [1.0, 1.0, 0.0, 1.0, -1.0, 0.0, -1.0, 1.0, 0.0, 1.0, -1.0, 0.0, -1.0, -1.0, 0.0, -1.0, 1.0, 0.0];
+    let vertices: [f32; 18] = [
+        1.0, 1.0, 0.0, 1.0, -1.0, 0.0, -1.0, 1.0, 0.0, 1.0, -1.0, 0.0, -1.0, -1.0, 0.0, -1.0, 1.0,
+        0.0,
+    ];
 
     let mut vbo: GLuint = 0;
     let mut vao: GLuint = 0;
@@ -225,7 +228,7 @@ fn main() {
                 } => {
                     curve.push(x, window_h as i32 - y);
                     compile_bezier_shader(&curve);
-                },
+                }
                 _ => {}
             }
         }