fix 3d model always being at (0,0)

lib/components/normal-components/Chip.ts

@@ -95,4 +95,28 @@ export class Chip<PinLabels extends string = never> extends NormalComponent<
 
     this.pcb_component_id = pcb_component.pcb_component_id
   }
+
+  _getPcbCircuitJsonBounds(): {
+    center: { x: number; y: number }
+    bounds: { left: number; top: number; right: number; bottom: number }
+    width: number
+    height: number
+  } {
+    const { db } = this.root!
+    if (!this.pcb_component_id) return super._getPcbCircuitJsonBounds()
+
+    const pcb_component = db.pcb_component.get(this.pcb_component_id)!
+
+    return {
+      center: { x: pcb_component.center.x, y: pcb_component.center.y },
+      bounds: {
+        left: pcb_component.center.x - pcb_component.width / 2,
+        top: pcb_component.center.y - pcb_component.height / 2,
+        right: pcb_component.center.x + pcb_component.width / 2,
+        bottom: pcb_component.center.y + pcb_component.height / 2,
+      },
+      width: pcb_component.width,
+      height: pcb_component.height,
+    }
+  }
 }

tests/components/normal-components/chip.test.tsx

@@ -70,6 +70,7 @@ it("should create a Chip component with cadModel prop", async () => {
     <board width="10mm" height="10mm">
       <chip
         name="U1"
+        pcbX={4}
         footprint="soic8"
         cadModel={{
           stlUrl: "https://example.com/chip.stl",
@@ -82,5 +83,6 @@ it("should create a Chip component with cadModel prop", async () => {
 
   const cadComponents = circuit.db.cad_component.list()
   expect(cadComponents).toHaveLength(1)
+  expect(cadComponents[0].position.x).toBeCloseTo(4)
   expect(cadComponents[0].model_stl_url).toBe("https://example.com/chip.stl")
 })