fixes:

- using 1 func for grid collision checking with func arguments in
  player and obstacle systems.
- moving obstacles now kill player if business ends points toward him
  on contact
- added retry in popup menu

assets/levels/openquell.ldtk

@@ -11,7 +11,7 @@
 	"iid": "267e9380-d7b0-11ee-a97e-35bec9c19d52",
 	"jsonVersion": "1.5.3",
 	"appBuildId": 473703,
-	"nextUid": 31,
+	"nextUid": 33,
 	"identifierStyle": "Capitalize",
 	"toc": [],
 	"worldLayout": "Free",
@@ -3502,6 +3502,121 @@
 				}
 			],
 			"__neighbours": []
+		},
+		{
+			"identifier": "Level_13",
+			"iid": "df3a04b0-d7b0-11ee-b56f-5371345878c2",
+			"uid": 32,
+			"worldX": 480,
+			"worldY": 1632,
+			"worldDepth": 0,
+			"pxWid": 640,
+			"pxHei": 480,
+			"__bgColor": "#696A79",
+			"bgColor": null,
+			"useAutoIdentifier": true,
+			"bgRelPath": "../sprites/background-lila.png",
+			"bgPos": "Cover",
+			"bgPivotX": 0.5,
+			"bgPivotY": 0.5,
+			"__smartColor": "#ADADB5",
+			"__bgPos": { "topLeftPx": [0,0], "scale": [1,1], "cropRect": [0,0,640,480] },
+			"externalRelPath": null,
+			"fieldInstances": [
+				{ "__identifier": "level", "__type": "Int", "__value": 13, "__tile": null, "defUid": 11, "realEditorValues": [{ "id": "V_Int", "params": [13] }] },
+				{ "__identifier": "description", "__type": "String", "__value": "test", "__tile": null, "defUid": 12, "realEditorValues": [{
+					"id": "V_String",
+					"params": ["test"]
+				}] },
+				{ "__identifier": "background", "__type": "String", "__value": "background-lila", "__tile": null, "defUid": 13, "realEditorValues": [] },
+				{ "__identifier": "minmoves", "__type": "Int", "__value": 7, "__tile": null, "defUid": 14, "realEditorValues": [] }
+			],
+			"layerInstances": [
+				{
+					"__identifier": "Entities",
+					"__type": "Entities",
+					"__cWid": 20,
+					"__cHei": 15,
+					"__gridSize": 32,
+					"__opacity": 1,
+					"__pxTotalOffsetX": 0,
+					"__pxTotalOffsetY": 0,
+					"__tilesetDefUid": null,
+					"__tilesetRelPath": null,
+					"iid": "df3a04b1-d7b0-11ee-b56f-31d2a4bd4c5c",
+					"levelId": 32,
+					"layerDefUid": 5,
+					"pxOffsetX": 0,
+					"pxOffsetY": 0,
+					"visible": true,
+					"optionalRules": [],
+					"intGridCsv": [],
+					"autoLayerTiles": [],
+					"seed": 1934321,
+					"overrideTilesetUid": null,
+					"gridTiles": [],
+					"entityInstances": [
+						{
+							"__identifier": "PlayerPrimary",
+							"__grid": [9,7],
+							"__pivot": [0,0],
+							"__tags": [],
+							"__tile": { "tilesetUid": 1, "x": 32, "y": 96, "w": 32, "h": 32 },
+							"__smartColor": "#2F3BBE",
+							"iid": "f00cf6d0-d7b0-11ee-b56f-4d0f006a98b4",
+							"width": 32,
+							"height": 32,
+							"defUid": 3,
+							"px": [288,224],
+							"fieldInstances": [],
+							"__worldX": 768,
+							"__worldY": 1856
+						},
+						{
+							"__identifier": "ObstacleEast",
+							"__grid": [12,7],
+							"__pivot": [0,0],
+							"__tags": [],
+							"__tile": { "tilesetUid": 1, "x": 64, "y": 32, "w": 32, "h": 32 },
+							"__smartColor": "#D77643",
+							"iid": "f5429510-d7b0-11ee-b56f-4d263bc512ec",
+							"width": 32,
+							"height": 32,
+							"defUid": 8,
+							"px": [384,224],
+							"fieldInstances": [],
+							"__worldX": 864,
+							"__worldY": 1856
+						}
+					]
+				},
+				{
+					"__identifier": "Tiles",
+					"__type": "Tiles",
+					"__cWid": 20,
+					"__cHei": 15,
+					"__gridSize": 32,
+					"__opacity": 1,
+					"__pxTotalOffsetX": 0,
+					"__pxTotalOffsetY": 0,
+					"__tilesetDefUid": 1,
+					"__tilesetRelPath": "../sprites/map.png",
+					"iid": "df3a04b2-d7b0-11ee-b56f-99f67bd5211d",
+					"levelId": 32,
+					"layerDefUid": 2,
+					"pxOffsetX": 0,
+					"pxOffsetY": 0,
+					"visible": true,
+					"optionalRules": [],
+					"intGridCsv": [],
+					"autoLayerTiles": [],
+					"seed": 2843103,
+					"overrideTilesetUid": null,
+					"gridTiles": [{ "px": [352,320], "src": [64,0], "f": 0, "t": 2, "d": [211], "a": 1 }],
+					"entityInstances": []
+				}
+			],
+			"__neighbours": []
 		}
 	],
 	"worlds": [],