WarpByScalar

Signed-off-by: martinRenou <[email protected]>

Author: martinRenou

ipygany/__init__.py

@@ -8,7 +8,8 @@
     PolyMesh, TetraMesh, PointCloud,
     Scene,
     Data, Component,
-    Alpha, RGB, IsoColor, Threshold, IsoSurface, Warp,
+    Alpha, RGB, IsoColor, Threshold, IsoSurface,
+    Warp, WarpByScalar,
     Water, UnderWater
 )
 from ._version import __version__, version_info  # noqa

ipygany/ipygany.py

@@ -529,6 +529,19 @@ def input_dim(self):
         return 3
 
 
+class WarpByScalar(Effect):
+    """A warp-by-scalar effect to another block."""
+
+    _model_name = Unicode('WarpByScalarModel').tag(sync=True)
+
+    factor = CFloat(1.).tag(sync=True)
+
+    @property
+    def input_dim(self):
+        """Input dimension."""
+        return 1
+
+
 class Alpha(Effect):
     """An transparency effect to another block."""
 

src/widget.ts

@@ -27,7 +27,7 @@ import {
   Data, Component,
   Block, Effect,
   PolyMesh, TetraMesh, PointCloud,
-  Warp, Alpha, RGB, IsoColor, IsoSurface, Threshold,
+  Warp, WarpByScalar, Alpha, RGB, IsoColor, IsoSurface, Threshold,
   Water, UnderWater,
 } from 'ganyjs';
 
@@ -409,6 +409,40 @@ class WarpModel extends EffectModel {
 }
 
 
+export
+class WarpByScalarModel extends EffectModel {
+
+  defaults() {
+    return {...super.defaults(),
+      _model_name: WarpByScalarModel.model_name,
+    };
+  }
+
+  get input () {
+    return this.get('input');
+  }
+
+  get factor () {
+    return this.get('factor');
+  }
+
+  createBlock () {
+    return new WarpByScalar(this.parent.block, this.input, this.factor);
+  }
+
+  initEventListeners () : void {
+    super.initEventListeners();
+
+    this.on('change:factor', () => { this.block.factor = this.factor; });
+  }
+
+  block: WarpByScalar;
+
+  static model_name = 'WarpByScalarModel';
+
+}
+
+
 export
 class AlphaModel extends EffectModel {