67 lines
1.5 KiB
TypeScript
67 lines
1.5 KiB
TypeScript
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module mod_vtm_aufbau
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{
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export type typ_stelle = {u : int; v : int;};
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function stelle_hash(stelle : typ_stelle) : string
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{
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return (stelle.u.toFixed(0) + "_" + stelle.v.toFixed(0));
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function stelle_von_hash(hash : string) : typ_stelle
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{
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let teile : Array<string> = hash.split("_");
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return {"u": parseInt(teile[0]), "v": parseInt(teile[1])};
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function stelle_null() : typ_stelle
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{
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return {"u": 0, "v": 0};
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function stelle_von_richtung(richtung : typ_richtung) : typ_stelle
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{
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switch (richtung)
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{
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case 0: {return {"u": +1, "v": 0}; break;}
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case 1: {return {"u": +1, "v": +1}; break;}
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case 2: {return {"u": 0, "v": +1}; break;}
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case 3: {return {"u": -1, "v": 0}; break;}
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case 4: {return {"u": -1, "v": -1}; break;}
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case 5: {return {"u": 0, "v": -1}; break;}
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default: {throw (new Error("ungültige Richtung '" + String(richtung) + "'")); break;}
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}
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function stelle_addieren(stelle1 : typ_stelle, stelle2 : typ_stelle) : typ_stelle
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{
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return {"u": (stelle1.u + stelle2.u), "v": (stelle1.v + stelle2.v)};
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}
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}
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