新增扇形collider

source/src/ECS/Components/Physics/Colliders/SectorCollider.ts

@@ -0,0 +1,16 @@
+module es {
+    /**
+     * 扇形碰撞器
+     */
+    export class SectorCollider extends Collider {
+        constructor(
+          center: Vector2,
+          radius: number,
+          startAngle: number,
+          endAngle: number
+        ) {
+          super();
+          this.shape = new Sector(center, radius, startAngle, endAngle);
+        }
+    }
+}