add app

app/src/primitives/Entities.ts

@@ -0,0 +1,40 @@
+import { z } from "zod";
+import { Vec2 } from "./Values";
+import { Paint, TextPaint } from "./Paint";
+
+const EntityTypeOptions = ["Text", "Ellipse", "Box"] as const;
+
+export const EntityType = z.enum(EntityTypeOptions);
+
+export const GeometryEntity = z.object({
+  paint: Paint,
+});
+
+export const BoxEntity = GeometryEntity.extend({
+  type: z.literal(EntityType.Enum.Box),
+  size: Vec2,
+  position: Vec2,
+  origin: Vec2,
+});
+
+export const EllipseEntity = GeometryEntity.extend({
+  type: z.literal(EntityType.Enum.Ellipse),
+  radius: Vec2,
+  position: Vec2,
+  origin: Vec2,
+});
+
+export const TextEntity = z.object({
+  type: z.literal(EntityType.Enum.Text),
+  paint: TextPaint,
+  origin: Vec2,
+  text: z.string(),
+});
+
+export const Entity = z.discriminatedUnion("type", [
+  BoxEntity,
+  EllipseEntity,
+  TextEntity,
+]);
+
+export const Entities = z.array(Entity);