Simplify

src/lib/drawing-geometry.ts

@@ -0,0 +1,34 @@
+import type { Point } from './types';
+
+export interface Bounds {
+  minX: number;
+  maxX: number;
+  minY: number;
+  maxY: number;
+}
+export interface Rect {
+  x: number;
+  y: number;
+  width: number;
+  height: number;
+}
+export const bounds = (points: Point[]): Bounds => ({
+  minX: Math.min(...points.map((point) => point.x)),
+  maxX: Math.max(...points.map((point) => point.x)),
+  minY: Math.min(...points.map((point) => point.y)),
+  maxY: Math.max(...points.map((point) => point.y)),
+});
+export const rectBounds = (box: Rect): Bounds => ({
+  minX: box.x,
+  minY: box.y,
+  maxX: box.x + box.width,
+  maxY: box.y + box.height,
+});
+export const overlaps = (a: Bounds, b: Bounds, gap = 0) =>
+  a.minX < b.maxX + gap && a.maxX > b.minX - gap && a.minY < b.maxY + gap && a.maxY > b.minY - gap;
+export const corners = (box: Bounds): Point[] => [
+  { x: box.minX, y: box.minY },
+  { x: box.maxX, y: box.minY },
+  { x: box.maxX, y: box.maxY },
+  { x: box.minX, y: box.maxY },
+];