The scene view and the animation preview share one camera, the three form dialogs one base, and keys are found through one set of helpers (#85)

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/core/properties/declaredRows.ts

@@ -1,6 +1,6 @@
 import type { Graph, GraphNode } from '../graph/Graph';
 import type { PropertyBag } from '../model/Properties';
-import type { FlatDef } from './PropertySchema';
+import { flatDef, type FlatDef, type PropertyDef } from './PropertySchema';
 
 /** The params of a `Property` node in a shader or particle graph: its name and the row it declares. */
 export const PROPERTY_NAME_PARAM = 'name';
@@ -8,6 +8,16 @@ export const PROPERTY_DEFAULT_PARAM = 'default';
 export const PROPERTY_MIN_PARAM = 'min';
 export const PROPERTY_MAX_PARAM = 'max';
 
+/** The params of a `Property` node, the same in both graphs but for the step of their number fields. */
+export function propertyNodeParams(step: number): PropertyDef[] {
+  return [
+    flatDef(PROPERTY_NAME_PARAM, 'text', { label: 'Name', value: 'value' }),
+    { key: PROPERTY_DEFAULT_PARAM, label: 'Default', kind: 'number', default: 0, step },
+    { key: PROPERTY_MIN_PARAM, label: 'Min', kind: 'number', default: 0, step },
+    { key: PROPERTY_MAX_PARAM, label: 'Max', kind: 'number', default: 1, step },
+  ];
+}
+
 export interface Declaration {
   isDeclaration(node: GraphNode): boolean;
   nameOf(node: GraphNode): string;

src/core/properties/particles.ts

@@ -3,12 +3,7 @@ import { type PropertyBag, textOf } from '../model/Properties';
 import { declaredNumberRows, PROPERTY_NAME_PARAM } from './declaredRows';
 import { type FlatDef, isValidFieldName } from './PropertySchema';
 
-export {
-  PROPERTY_DEFAULT_PARAM,
-  PROPERTY_MAX_PARAM,
-  PROPERTY_MIN_PARAM,
-  PROPERTY_NAME_PARAM,
-} from './declaredRows';
+export { PROPERTY_NAME_PARAM } from './declaredRows';
 
 /** The node of a particle graph that declares a parameter: a row on every source placed from the asset. */
 export const PARTICLE_PROPERTY = 'ParticleProperty';

src/core/properties/shaders.ts

@@ -3,12 +3,7 @@ import { type PropertyBag, textOf } from '../model/Properties';
 import { declaredNumberRows, PROPERTY_NAME_PARAM } from './declaredRows';
 import { type FlatDef, isSpriteProp, isValidFieldName } from './PropertySchema';
 
-export {
-  PROPERTY_DEFAULT_PARAM,
-  PROPERTY_MAX_PARAM,
-  PROPERTY_MIN_PARAM,
-  PROPERTY_NAME_PARAM,
-} from './declaredRows';
+export { PROPERTY_NAME_PARAM } from './declaredRows';
 
 /** The sprite property naming the shader asset it wears; `''` is no shader and no render pass. */
 export const SHADER_KEY = 'shader';