WIP

engine/AABB.ts

@@ -0,0 +1,43 @@
+import { copyVector, type Vector } from "#/engine/Vector.ts";
+
+export type AABB = {
+	position: Vector;
+	width: number;
+	height: number;
+};
+
+export function createAABB(
+	position: Vector,
+	width: number,
+	height: number,
+): AABB {
+	return {
+		position,
+		width,
+		height,
+	};
+}
+
+export function fromMinMax(min: Vector, max: Vector): AABB {
+	return {
+		position: copyVector(min),
+		width: max.x - min.x,
+		height: max.y - min.y,
+	};
+}
+
+export function drawAABB(
+	ctx: CanvasRenderingContext2D,
+	aabb: AABB,
+	color: string = "#fff",
+): void {
+	ctx.save();
+	ctx.strokeStyle = color;
+	ctx.strokeRect(
+		Math.round(aabb.position.x) - 0.5,
+		Math.round(aabb.position.y) - 0.5,
+		aabb.width,
+		aabb.height,
+	);
+	ctx.restore();
+}