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TS RayCasting\n\n![Travis](https://travis-ci.org/dderevjanik/ts-raycasting.svg?branch=master)\n\n![Raycast Example](docs/img/raycasting-example.gif)\n\n[Tutorial](docs/tutorial.md)\n\n## Overview\n\nTS RayCasting is tiny and fast raycast library written in Typescript.\n\n### API\n\n![castray-example](docs/img/castray-fnc.png)\n\n#### castRay(map, x, y, intersection, rayRot)\n\n```typescript\ncastRay(map: number[][], x: number, y: number, intersection: testintersection, rayRot: number): IRay\n```\n\nWill cast ray from position in map, which is two-dimensional world of numbers, where\nevery number means a specific wall. To check if ray already hit a wall, there's **intersection**\ncallback. If testfunction returns false, then it'll stop casting ray further and\nit means that wall was hit.\n\n#### castRays(map, x, y, rot, intersection, config)\n\n```typescript\ncastRays(map: number[][], x: number, y: number, rot: number, intersection: testintersection, config: IRayConf = defaultConfig): IRay[]\n```\n\nWill cast several rays from position in map, which is two-dimensional world of numbers,\nwhere every number means a specific wall. *rot* is direction of camera or caster.\nTo check if ray already hit a wall, there's **intersection** callback.\nIf testfunction returns false, then it'll stop casting ray further and it\nmeans that wall was hit.\n\n#### intersection(row, column, dist, index)\n\n```typescript\ntype testintersection = (row: number, column: number, dist: number, index: number) =\u003e boolean;\n```\n\nIt's same callback in both **castRay** and **castRays** function, where is put a\nlogic of hitting a wall. If testFunctions returns false, it'll stop casting\nray further (specific ray, not all rays in **castRays** function).\n\n## Devs\n\n- `npm run build` build library, everything will be in `dist/` folder\n- `npm run build:web` build minified raycast library for browser\n- `npm run build:node` build library with all declaration files\n- `npm run build:example` build examples\n- `npm run lint` lint all .ts files\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdderevjanik%2Fts-raycasting","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdderevjanik%2Fts-raycasting","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdderevjanik%2Fts-raycasting/lists"}