New node: Map Points

Also resolves #3217

editor/src/messages/portfolio/document/node_graph/document_node_definitions.rs

@@ -2043,7 +2043,7 @@ fn document_node_definitions() -> HashMap<DefinitionIdentifier, DocumentNodeDefi
 					input_metadata: vec![
 						("Content", "TODO").into(),
 						InputMetadata::with_name_description_override(
-							"Separation Disk Diameter",
+							"Separation",
 							"TODO",
 							WidgetOverride::Number(NumberInputSettings {
 								min: Some(0.01),

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

@@ -1350,6 +1350,23 @@ async fn instance_map(ctx: impl Ctx + CloneVarArgs + ExtractAll, content: Table<
 	rows.into_iter().collect()
 }
 
+#[node_macro::node(category("Vector"), path(graphene_core::vector))]
+async fn map_points(ctx: impl Ctx + CloneVarArgs + ExtractAll, content: Table<Vector>, mapped: impl Node<Context<'static>, Output = DVec2>) -> Table<Vector> {
+	let mut content = content;
+	let mut index = 0;
+
+	for row in content.iter_mut() {
+		for (_, position) in row.element.point_domain.positions_mut() {
+			let owned_ctx = OwnedContextImpl::from(ctx.clone()).with_index(index).with_position(*position);
+			index += 1;
+
+			*position = mapped.eval(owned_ctx.into_context()).await;
+		}
+	}
+
+	content
+}
+
 #[node_macro::node(category("Vector"), path(graphene_core::vector))]
 async fn flatten_path<T: 'n + Send>(
 	_: impl Ctx,