2b:null 2c:["$","title",null,{"children":"Tank Tower Rotation Problem | x | Observable"}] 31:[] 2f:{"id":"d474589ca935896c","slug":"tank-tower-rotation-problem","title":"Tank Tower Rotation Problem","thumbnail":"04ec1914d23a1371a63816c9fc4bba84a65d8905d41cc46dc17852b0e653c351","access_level":"public","create_time":"$D2022-08-02T09:40:30.107Z","update_time":"$D2022-08-02T10:04:22.577Z","view_time":null,"first_public_time":"$D2022-08-02T10:05:02.579Z","fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"0769ff99b3875329","login":"ndry","name":"x","avatar_url":"https://avatars-next.observableusercontent.com/c755f3e157b7a2713dd9b99ae6d708461888bf021a63291ec0082c0be57acf53","tier":"starter_2024"},"version":137,"publish_version":137,"role":null,"authored":false,"authors":[{"type":"individual","id":"45218b3eb975ae76","login":"gb1","name":"","avatar_url":"https://avatars-next.observableusercontent.com/c755f3e157b7a2713dd9b99ae6d708461888bf021a63291ec0082c0be57acf53","tier":null}],"members":[{"type":"individual","id":"45218b3eb975ae76","login":"gb1","name":"","avatar_url":"https://avatars-next.observableusercontent.com/c755f3e157b7a2713dd9b99ae6d708461888bf021a63291ec0082c0be57acf53","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Tank Tower Rotation Problem","cells":[{"id":0,"value":"# Tank Tower Rotation Problem","pinned":true,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined"},{"id":89,"value":"md`Need to turn *${\n turnDirection > 0\n ? \"counter-clockwise\"\n : turnDirection < 0\n ? \"clockwise\"\n : \"fire!!!\"\n}*`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":26,"value":"html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":5,"value":"viewof tankTowerAngleDeg = Inputs.range([-360, 360], {\n value: 20,\n label: \"Tank Tower Angle (deg)\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":22,"value":"viewof targetX = Inputs.range([-100, 100], {\n value: 40,\n label: \"Target X\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":24,"value":"viewof targetY = Inputs.range([-100, 100], {\n value: -50,\n label: \"Target Y\"\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":79,"value":"targetAngleDeg = (Math.atan2(targetY, targetX) / Math.PI) * 180","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":82,"value":"rawAngleDif = tankTowerAngleDeg - targetAngleDeg","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":84,"value":"normalizedAngleDiff = {\n let a = rawAngleDif;\n while (a <= -180) {\n a += 360;\n }\n while (a >= 180) {\n a -= 360;\n }\n return a;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":86,"value":"turnDirection = Math.sign(normalizedAngleDiff)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W31","stdlib":"1","titling":"auto"}} 30:"$2f:body"