Initial Spatial Lab release with verified Blender bridge

examples/wave_extension.py

@@ -0,0 +1,17 @@
+"""Example of a composable curve deformation loaded with --plugin."""
+import math
+from spatial_lab.kernel import register_operator
+
+@register_operator('wave-z', version=1, inputs=('path',),
+                   description='Displace a curve along world Z by a sinusoid of world X.')
+def wave_z(context, params, inputs):
+    path = inputs['path']
+    if path['kind'] != 'curve':
+        raise ValueError('wave-z requires a curve')
+    amplitude = context.number(params.get('amplitude', 1))
+    wavelength = context.number(params.get('wavelength', 6))
+    if wavelength <= 0:
+        raise ValueError('wavelength must be positive')
+    points = [[x, y, z + amplitude * math.sin(math.tau * x / wavelength)]
+              for x, y, z in path['points']]
+    return {'kind': 'curve', 'points': points, 'closed': path['closed']}