feat: add oceans sketch

ocean.py

@@ -0,0 +1,36 @@
+import numpy as np
+import vsketch
+from vpype import UNITS
+
+class Ocean(vsketch.SketchClass):
+    num_line = vsketch.Param(100, 1)
+    y_offset = vsketch.Param(19.0)
+    x_freq = vsketch.Param(0.25)
+    y_freq = vsketch.Param(18)
+    tilt = vsketch.Param(-45, -90, 90)
+    move_x = vsketch.Param(200.0, -1000, 1000)
+    move_y = vsketch.Param(0.0, -1000, 1000)
+    move_z = vsketch.Param(60.0, -1000, 1000)
+
+    def draw(self, vsk: vsketch.Vsketch) -> None:
+        vsk.size("a4", landscape=True)
+        vsk.scale("cm")
+        #vsk.penWidth(0.1)
+        x_coords = np.linspace(0, 25, 1000)
+
+        perlin = vsk.noise(
+            x_coords * self.x_freq, np.arange(self.num_line) / self.num_line * self.y_freq
+        )
+
+        for i in range(self.num_line):
+            y_coords = perlin[:, i] + self.y_offset / self.num_line * i
+            vsk.polygon(x_coords, y_coords)
+        
+        vsk.vpype(f"perspective --move {self.move_x} {self.move_y} {self.move_z} --tilt {self.tilt}")
+
+    def finalize(self, vsk: vsketch.Vsketch) -> None:
+        vsk.vpype("linemerge linesimplify reloop linesort")
+
+
+if __name__ == "__main__":
+    Ocean.display()