Created
December 8, 2017 17:39
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firstvds_full.js
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| let mind=(D)=>{ | |
| let my = D.john.position,nx = D.nexa.position,inf=D.infection; | |
| storage.firstGoal = storage.firstGoal||0; | |
| storage.nexa_catch=storage.nexa_catch||0; | |
| let A = v => Math.abs(v); | |
| let B = v => v.length; | |
| let nearOneStep = (it) =>((my.x === it.x && nearNextRowY(it)) || (my.y === it.y && nearNextRowX(it))); | |
| let nearNextRowY = (it) => (A(my.y-it.y)===1); | |
| let nearNextRowX = (it) => (A(my.x-it.x)===1); | |
| let directionByX = (x, y)=> (my.x !== x)? (my.x > x ? 'left' : 'right') :(my.y > y ? 'up' : 'down'); | |
| let directionByY = (x, y)=> (my.y !== y)? (my.y > y ? 'up' : 'down') :(my.x > x ? 'left' : 'right'); | |
| let isCurrentInfected = ()=>inf.some((it) =>(my.x === it.x && my.y === it.y)); | |
| let resolveDirection = (x, y)=>(!isNexaCatch()&& !storage.firstGoal)?directionByY(x,y):directionByX(x,y); | |
| let isNexaCatch = () =>{if (my.x===nx.x && my.y===nx.y){storage.nexa_catch += 1;} return (storage.nexa_catch >0);}; | |
| let isNearNexa = () => (my.x===nx.x); | |
| let pipe= v =>v.reduce((res, it)=>{if(B(res)===0){res = inf.filter(it);}return res;}, []); | |
| let nearestTarget = v=>B(v)?v[0]:[]; | |
| let furtherNexaTarget = () => { | |
| return inf.reduce((max, item) => { | |
| let distance = (A(nx.x - item.x) + A(nx.y - item.y)); | |
| if (max.dst < distance) { | |
| max.dst = distance; | |
| max.coords = item; | |
| } | |
| return max; | |
| }, {'dst': 0, 'coords': storage.target}); | |
| }; | |
| let resolveTarget = () => { | |
| if(storage.firstGoal===0){ | |
| target = inf[0]; | |
| }else if (!isNexaCatch() && storage.firstGoal) { | |
| target = nx; | |
| }else if (storage.target && nx.y!==1 && B(inf)>=2){ | |
| target = furtherNexaTarget().coords; | |
| }else{ | |
| target = pipe([nearOneStep,(it) => (my.y === it.y),nearNextRowY]); | |
| target = B(target)? nearestTarget(target):furtherNexaTarget().coords; | |
| } | |
| storage.target = target; | |
| return resolveDirection(target.x, target.y); | |
| }; | |
| let isCurable = () => { | |
| if (isCurrentInfected() && !(!isNexaCatch() && isNearNexa())) { | |
| storage.target = null; | |
| storage.firstGoal=1; | |
| return true; | |
| } | |
| return false; | |
| }; | |
| return isCurable()?'cure':resolveTarget(); | |
| }; |
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