toosoon-lsystem
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Library providing functionalities for creating and manipulating Lindenmayer systems (L-Systems) using various parameters
130 lines (129 loc) • 4.28 kB
TypeScript
import type { Alphabet, Axiom, AxiomParameter, AxiomPart, Command, CommandKey, Commands, DefaultAlphabet, Define, DefineKey, Defines, IgnoredAlphabet, Production, ProductionParameter, ProductionResult, Productions, SuccessorParameter, Symbol } from './types';
export type LSystemParameters<A extends Alphabet, I extends Alphabet = IgnoredAlphabet> = {
readonly alphabet?: A;
readonly ignoredSymbols?: I;
axiom?: AxiomParameter<A | I>;
iterations?: number;
defines?: {
[key in DefineKey]?: Define;
};
productions?: {
[successorParameter in SuccessorParameter<A>]?: ProductionParameter<A, I>;
};
commands?: {
[key in CommandKey<A, I>]?: Command<A, I>;
};
};
/**
* LSystem class
*
* @exports
* @class LSystem
*/
export default class LSystem<A extends Alphabet = DefaultAlphabet, I extends Alphabet = IgnoredAlphabet> {
readonly alphabet: A;
readonly ignoredSymbols: I;
axiom: Axiom<A | I>;
iterations: number;
defines: Defines;
productions: Productions<A, I>;
commands: Commands<A, I>;
constructor({ alphabet, ignoredSymbols, axiom, iterations, defines, productions, commands }: LSystemParameters<A, I>);
/**
* Set the axiom of the L-System
*
* @param {AxiomParameter} axiom Initial phrase of this L-System
*/
setAxiom(axiom: AxiomParameter<A | I>): void;
/**
* Set a define for this L-System
*
* @param {DefineKey} key Key for defining constant
* @param {Define} define A constant value
*/
setDefine(key: DefineKey, define: Define): void;
/**
* Set multiple defines for the L-System.
*
* @param {object} defines Collection of defined constants
*/
setDefines(defines: {
[key in DefineKey]?: Define;
}): void;
/**
* Clear all defines from this L-System
*/
clearDefines(): void;
/**
* Set a production for the L-System.
*
* @param {SuccessorParameter} successorParameter Successor symbol mapped to the production
* @param {ProductionParameter} productionParameter Production rule mapped to the symbol
*/
setProduction(successorParameter: SuccessorParameter<A>, productionParameter: ProductionParameter<A, I>): void;
/**
* Set multiple productions for this L-System
*
* @param {object} productions Collection of production rules mapped to symbols
*/
setProductions(productions: {
[successorParameter in SuccessorParameter<A>]?: ProductionParameter<A, I>;
}): void;
/**
* Clear all productions from the L-System
*/
clearProductions(): void;
/**
* Return the result of a production rule
*
* @param {Production} production
* @param {AxiomPart} part
* @param {number} index
* @param {boolean} [recursive=false]
* @returns {ProductionResult}
*/
protected getProductionResult(production: Production<A, I>, part: AxiomPart<A | I>, index: number, recursive?: boolean): ProductionResult<A | I>;
/**
* Apply productions rules on current axiom.
* It corresponds to 1 iteration of this L-System.
*
* @returns {Axiom}
*/
protected applyProductions(): Axiom<A | I>;
/**
* Set a command for this L-System
*
* @param {Symbol} symbol Symbol used as a key for the command
* @param {Command} command Function to be executed for each corresponding symbol
*/
setCommand(symbol: Symbol<A | I>, command: Command<A, I>): void;
/**
* Set multiple commands for this L-System
*
* @param {object} commands Collection of commands mapped to symbols
*/
setCommands(commands: {
[key in CommandKey<A, I>]?: Command<A, I>;
}): void;
/**
* Clear all commands from this L-System
*/
clearCommands(): void;
/**
* Execute the commands defined in this L-System
*/
run(): void;
/**
* Perform a specified number of iterations on this L-System
*
* @param {number} [iterations] Number of iterations
* @returns {Axiom}
*/
iterate(iterations?: number): Axiom<A | I>;
/**
* Get the current axiom of this L-System
*
* @returns {string}
*/
getAxiomString(): string;
}