1 files changed, 8 insertions, 2 deletions
diff --git a/src/model/data/collision.ts b/src/model/data/collision.ts
index 5008fa3..29d0879 100644
--- a/src/model/data/collision.ts
+++ b/src/model/data/collision.ts
@@ -1,6 +1,12 @@
-export interface CollisionPolygon {
+export interface PolygonCollision {
 	readonly type: 'polygon';
 	readonly vertices: Array<[number, number]>;
 }
 
-export type Collision = CollisionPolygon;
+export interface CircleCollision {
+	readonly type: 'circle';
+	readonly center: [number, number];
+	readonly radius: number;
+}
+
+export type Collision = PolygonCollision | CircleCollision;