Initial commit: WebGPU portfolio — generative-art site with DOM overlay

src/ui/input.ts

@@ -0,0 +1,14 @@
+// Window-level pointer position capture. Discrete clicks and hover are
+// handled by the DOM overlay elements directly; this class only feeds the
+// continuous pointer position that the background shader consumes.
+export class Input {
+  x = 0
+  y = 0
+
+  constructor() {
+    window.addEventListener('pointermove', (e) => {
+      this.x = e.clientX
+      this.y = e.clientY
+    })
+  }
+}