1 files changed, 37 insertions, 0 deletions

diff --git a/examples/pyramid.rs b/examples/pyramid.rs
new file mode 100644
index 0000000..9614292
--- /dev/null
+++ b/examples/pyramid.rs
@@ -0,0 +1,37 @@
+use dcel::{Dcel, Kevvlfs, ObjExport};
+
+fn main() {
+    Dcel::new(|mut dcel| {
+        let body = dcel.new_body();
+
+        let [d1, d2, d3, d4] = [
+            ((8.0f64 / 9.0).sqrt(), 0.0, -1.0 / 3.0),
+            (-(2.0f64 / 9.0).sqrt(), (2.0f64 / 3.0).sqrt(), -1.0 / 3.0),
+            (-(2.0f64 / 9.0).sqrt(), -(2.0f64 / 3.0).sqrt(), -1.0 / 3.0),
+            (0.0, 0.0, 1.0),
+        ];
+
+        let Kevvlfs {
+            vertices: [v1, v2],
+            loop_: l1,
+            ..
+        } = dcel.mevvlfs(*body, [d1, d2]).unwrap();
+        let v3 = dcel.mev(*l1, *v2, d3).unwrap().vertex;
+        let l2 = dcel.melf([*v1, *v3], *l1).unwrap().loop_;
+        let v4 = dcel.mev(*l2, *v1, d4).unwrap().vertex;
+        let mut l3 = dcel.melf([*v4, *v2], *l2).unwrap().loop_;
+        if v3.find_outgoing(*l3, &dcel).is_none() {
+            l3 = l2;
+        }
+        let _l4 = dcel.melf([*v4, *v3], *l3).unwrap().loop_;
+
+        ObjExport::export(
+            &mut std::fs::File::create("pyramid.obj").unwrap(),
+            &dcel,
+            |&(x, y, z)| (x, y, z, None),
+            |_, _| None,
+            |_, _| None,
+        )
+        .unwrap();
+    });
+}