1 files changed, 78 insertions, 0 deletions
diff --git a/trees/blog/figures/frieze-old.typ b/trees/blog/figures/frieze-old.typ
new file mode 100644
index 0000000..6ccc79e
--- /dev/null
+++ b/trees/blog/figures/frieze-old.typ
@@ -0,0 +1,78 @@
+#import "@preview/cetz:0.4.2"
+#import cetz.draw: *
+
+#show text: it => smallcaps(it)
+#set page(width: auto, height: auto)
+
+#let domain = {
+  let tolerance = 0.05
+  set-style(stroke: color.blue)
+  line((tolerance, tolerance), (1.0 - tolerance, 1.0 - tolerance), stroke: 2pt)
+  set-style(stroke: color.red)
+  line((0.5, 0.8), (1.0 - tolerance, 1.0 - tolerance))
+  set-style(stroke: color.black)
+  line((0.8, 0.5), (1.0 - tolerance, 1.0 - tolerance))
+}
+
+#let frieze(n, start, mode, draw-grid: false, x-step: 1) = {
+  cetz.canvas({
+    set-style(stroke: color.blue)
+    translate(start)
+    if draw-grid {
+      grid(
+        (0, 0),
+        (n, 1),
+        stroke: red.transparentize(80%),
+      )
+    }
+
+    let i = 0
+    let angles = (0deg, 180deg)
+    let transform = if mode == "hop" {
+      ang => ()
+    } else if mode == "sidle" {
+      ang => (rotate(y: ang, origin: (0.5, 0.5)))
+    } else if mode == "step" {
+      ang => (rotate(x: ang, origin: (0.5, 0.5)))
+    } else if mode == "spinning sidle" {
+      ang => (rotate(y: ang, origin: (0.5, 0.5)))
+    } else if mode == "spinning hop" {
+      ang => (rotate(z: ang, origin: (0.5, 0.5)))
+      // ang => {
+      //   if ang == 180deg {
+      //     translate(x: -1)
+      //     rotate(z: ang, origin: (0.5, 0.0))
+      //   } else {
+      //     // translate(x: -0.5)
+      //     rotate(z: ang, origin: (0.5, 0.0))
+      //   }
+      // }
+    }
+
+    while i < n {
+      let ang = calc.rem(i, angles.len())
+
+      transform(angles.at(ang))
+      domain
+      transform(angles.at(-ang))
+
+      translate(x: x-step)
+
+      i += 1
+    }
+  })
+}
+
+
+hop
+#frieze(8, (0, 0), "hop")
+spinning hop
+// #frieze(16, (0, 4), "spinning hop", x-step: 0.5)
+#frieze(8, (0, 4), "spinning hop")
+step
+#frieze(8, (0, 10), "step")
+sidle
+#frieze(8, (0, 2), "sidle")
+spinning sidle
+#frieze(8, (0, 2), "spinning sidle")
+