@thi.ng/geom-poly-utils

2D polygon/polyline analysis & processing utilities

v3.0.39 URL: https://unpkg.com/@thi.ng/geom-poly-utils@3.0.39/index.js

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2d area bbox centroid circumcenter geometry perimeter polygon polyline triangle typescript

circle.js

A function collection for working with circles

v0.2.3 URL: https://unpkg.com/circle.js@0.2.3/dist/circle.min.js

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circle circles intersection area perimeter circle from three points

rectangles

A function collection for working with rectangles

v0.0.4 URL: https://unpkg.com/rectangles@0.0.4/rectangles.js

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rectangle rectangles intersection area perimeter

pointscape

Points manipulation,distance and angle calculation and more with 2D coordinate system

v1.7.0 URL: https://unpkg.com/pointscape@1.7.0/dist/index.cjs

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2d points algebra canvas html-game coordinates xy distance area perimeter collision angle random

area-perimeter-calculator

calculate area and perimeter of a circle

v1.0.2 URL: https://unpkg.com/area-perimeter-calculator@1.0.2/index.js

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area perimeter circle