Final code review

Author: Keavon

editor/src/messages/portfolio/document/graph_operation/utility_types.rs

@@ -175,9 +175,6 @@ impl<'a> ModifyInputsContext<'a> {
 			.node_template_input_override([
 				Some(NodeInput::value(TaggedValue::Graphic(Default::default()), true)),
 				Some(NodeInput::value(TaggedValue::F64(0.5), false)),
-				None,
-				None,
-				Some(NodeInput::value(TaggedValue::Vector(Default::default()), false)),
 			]);
 
 		let morph_id = NodeId::new();

editor/src/messages/portfolio/document_migration.rs

@@ -1744,7 +1744,7 @@ fn migrate_node(node_id: &NodeId, node: &DocumentNode, network_path: &[NodeId],
 		let count_elements_template = count_elements_def.default_node_template();
 		let count_elements_id = NodeId::new();
 
-		// Create Subtract node: N - 1 → N-1
+		// Create Subtract node: N → N-1
 		let Some(subtract_def) = resolve_document_node_type(&DefinitionIdentifier::ProtoNode(graphene_std::math_nodes::subtract::IDENTIFIER)) else {
 			log::error!("Could not get subtract node from definition when upgrading morph");
 			document.network_interface.set_input(&InputConnector::node(*node_id, 1), old_inputs[1].clone(), network_path);

node-graph/nodes/vector/src/vector_nodes.rs

@@ -364,13 +364,13 @@ async fn round_corners(
 					}
 
 					// Not the prettiest, but it makes the rest of the logic more readable
-					let prev_idx = if i == 0 { if is_closed { manipulator_groups.len() - 1 } else { 0 } } else { i - 1 };
-					let curr_idx = i;
-					let next_idx = if i == manipulator_groups.len() - 1 { if is_closed { 0 } else { i } } else { i + 1 };
+					let prev_index = if i == 0 { if is_closed { manipulator_groups.len() - 1 } else { 0 } } else { i - 1 };
+					let curr_index = i;
+					let next_index = if i == manipulator_groups.len() - 1 { if is_closed { 0 } else { i } } else { i + 1 };
 
-					let prev = manipulator_groups[prev_idx].anchor;
-					let curr = manipulator_groups[curr_idx].anchor;
-					let next = manipulator_groups[next_idx].anchor;
+					let prev = manipulator_groups[prev_index].anchor;
+					let curr = manipulator_groups[curr_index].anchor;
+					let next = manipulator_groups[next_index].anchor;
 
 					let dir1 = (curr - prev).normalize_or(DVec2::X);
 					let dir2 = (next - curr).normalize_or(DVec2::X);
@@ -379,7 +379,7 @@ async fn round_corners(
 
 					// Skip near-straight corners
 					if theta > PI - min_angle_threshold.to_radians() {
-						new_manipulator_groups.push(manipulator_groups[curr_idx]);
+						new_manipulator_groups.push(manipulator_groups[curr_index]);
 						continue;
 					}
 
@@ -2032,22 +2032,22 @@ async fn offset_points(
 
 /// Interpolates the geometry, appearance, and transform between multiple vector layers, producing a single morphed vector shape.
 ///
-/// Progression [0, 1) morphs through all objects at uniform speed. A path may be provided to control the trajectory between key objects. The **Origins to Polyline** node may be used to create a path with anchor points corresponding to each object. Other nodes can modify its path segments.
+/// *Progression* morphs through all objects. Interpolation is linear unless *Path* geometry is provided to control the trajectory between key objects. The **Origins to Polyline** node may be used to create a path with anchor points corresponding to each object. Other nodes can modify its path segments.
 #[node_macro::node(category("Vector: Modifier"), path(core_types::vector))]
 async fn morph<I: IntoGraphicTable + 'n + Send + Clone>(
 	_: impl Ctx,
 	/// The vector objects to interpolate between. Mixed graphic content is deeply flattened to keep only vector elements.
 	#[implementations(Table<Graphic>, Table<Vector>)]
 	content: I,
-	/// The fractional part [0, 1) traverses the morph uniformly along the path. If the control path has multiple subpaths, each added integer selects the next subpath.
+	/// The fractional part `[0, 1)` traverses the morph uniformly along the path. If the control path has multiple subpaths, each added integer selects the next subpath.
 	progression: Progression,
 	/// Swap the direction of the progression between objects or along the control path.
 	reverse: bool,
 	/// The parameter of change that influences the interpolation speed between each object. Equal slices in this parameter correspond to the rate of progression through the morph. This must be set to a parameter that changes.
 	///
 	/// "Objects" morphs through each group element at an equal rate. "Distances" keeps constant speed with time between objects proportional to their distances. "Angles" keeps constant rotational speed. "Sizes" keeps constant shrink/growth speed. "Slants" keeps constant shearing angle speed.
 	distribution: InterpolationDistribution,
-	/// An optional control path whose anchor points correspond to each object. Curved segments between points will shape the morph trajectory instead of traveling straight. If there is a break between path segments, the separate subpaths are selected by index from the integer part of the progression value. For example, [1, 2) morphs along the segments of the second subpath, and so on.
+	/// An optional control path whose anchor points correspond to each object. Curved segments between points will shape the morph trajectory instead of traveling straight. If there is a break between path segments, the separate subpaths are selected by index from the integer part of the progression value. For example, `[1, 2)` morphs along the segments of the second subpath, and so on.
 	path: Table<Vector>,
 ) -> Table<Vector> {
 	/// Promotes a segment's handle pair to cubic-equivalent Bézier control points.
@@ -2074,11 +2074,11 @@ async fn morph<I: IntoGraphicTable + 'n + Send + Clone>(
 			return;
 		}
 
-		let (prev_idx, next_idx) = if closed { (len - 1, 0) } else { (len - 2, len - 1) };
+		let (prev_index, next_index) = if closed { (len - 1, 0) } else { (len - 2, len - 1) };
 
-		let prev_anchor = manips[prev_idx].anchor;
-		let next_anchor = manips[next_idx].anchor;
-		let (h1, h2) = promote_handles_to_cubic(prev_anchor, manips[prev_idx].out_handle, manips[next_idx].in_handle, next_anchor);
+		let prev_anchor = manips[prev_index].anchor;
+		let next_anchor = manips[next_index].anchor;
+		let (h1, h2) = promote_handles_to_cubic(prev_anchor, manips[prev_index].out_handle, manips[next_index].in_handle, next_anchor);
 
 		// De Casteljau subdivision at t=0.5
 		let m01 = prev_anchor.lerp(h1, 0.5);
@@ -2088,8 +2088,8 @@ async fn morph<I: IntoGraphicTable + 'n + Send + Clone>(
 		let m123 = m12.lerp(m23, 0.5);
 		let mid = m012.lerp(m123, 0.5);
 
-		manips[prev_idx].out_handle = Some(m01);
-		manips[next_idx].in_handle = Some(m23);
+		manips[prev_index].out_handle = Some(m01);
+		manips[next_index].in_handle = Some(m23);
 
 		let mid_manip = ManipulatorGroup {
 			anchor: mid,
@@ -2101,7 +2101,7 @@ async fn morph<I: IntoGraphicTable + 'n + Send + Clone>(
 		if closed {
 			manips.push(mid_manip);
 		} else {
-			manips.insert(next_idx, mid_manip);
+			manips.insert(next_index, mid_manip);
 		}
 	}
 
@@ -2235,16 +2235,18 @@ async fn morph<I: IntoGraphicTable + 'n + Send + Clone>(
 		InterpolationDistribution::Distances => segment_lengths.clone(),
 		InterpolationDistribution::Angles | InterpolationDistribution::Sizes | InterpolationDistribution::Slants => (0..segment_count)
 			.map(|i| {
-				let src_idx = (content_offset + i).min(max_content_index);
-				let tgt_idx = if is_closed && i >= subpath_anchors - 1 {
+				let source_index = (content_offset + i).min(max_content_index);
+				let target_index = if is_closed && i >= subpath_anchors - 1 {
 					content_offset
 				} else {
 					(content_offset + i + 1).min(max_content_index)
 				};
 
-				let (Some(src), Some(tgt)) = (content.get(src_idx), content.get(tgt_idx)) else { return 0. };
-				let (s_angle, s_scale, s_skew) = src.transform.decompose_rotation_scale_skew();
-				let (t_angle, t_scale, t_skew) = tgt.transform.decompose_rotation_scale_skew();
+				let (Some(source), Some(target)) = (content.get(source_index), content.get(target_index)) else {
+					return 0.;
+				};
+				let (s_angle, s_scale, s_skew) = source.transform.decompose_rotation_scale_skew();
+				let (t_angle, t_scale, t_skew) = target.transform.decompose_rotation_scale_skew();
 
 				match distribution {
 					InterpolationDistribution::Angles => {
@@ -2291,8 +2293,8 @@ async fn morph<I: IntoGraphicTable + 'n + Send + Clone>(
 	// Convert the blend time to a parametric t for evaluating spatial position on the control path
 	let path_segment_index = local_source_index;
 	let parametric_t = {
-		let seg_idx = path_segment_index.min(segment_count - 1);
-		let segment = control_bezpath.get_seg(seg_idx + 1).unwrap();
+		let segment_index = path_segment_index.min(segment_count - 1);
+		let segment = control_bezpath.get_seg(segment_index + 1).unwrap();
 		eval_pathseg_euclidean(segment, time, DEFAULT_ACCURACY)
 	};