WIP

engine/lib/RingBuffer.ts

@@ -0,0 +1,25 @@
+export default class RingBuffer<T> {
+	size: number;
+	mask: number;
+	cursor: number;
+	buffer: Array<T>;
+
+	constructor(size: number, blueprint: T) {
+		if ((size & (size - 1)) !== 0) {
+			throw new Error("size must be a power of two");
+		}
+
+		this.size = size;
+		this.mask = size - 1;
+		this.cursor = 0;
+		this.buffer = [];
+
+		for (let i = 0; i < size; i++) {
+			this.buffer.push(structuredClone(blueprint));
+		}
+	}
+
+	next(): T {
+		return this.buffer[this.cursor++ & this.mask];
+	}
+}