nicolas barradeau nicoptere
nicoptere
/ float triplets sorting method
Last active
August 29, 2015 14:08
sorting triplets of floats in a buffer (vertices, indices, normals etc. ) using the QuickSort method.
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| /* | |
| the quick sort method is described here : | |
| http://antjanus.com/blog/web-development-tutorials/understanding-quicksort-js-native-implementation/ | |
| */ | |
| function tripletSort( arr ) | |
| { |
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| /** | |
| * checks if a value has a given bit set to 1 | |
| * @value the int / uint to test | |
| * @mask the bits to check | |
| **/ | |
| function bit_isset( value, mask ) | |
| { | |
| return ( value & mask ) != 0; | |
| } |
nicoptere
/ THREE.js lon_lat_to_cartesian
Last active
January 16, 2023 09:56
methods to convert longitude / latitude to XYZ and back + utility polygon contains point for THREE.js
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| /** | |
| * converts a XYZ vector3 to longitude latitude (Direct Polar) | |
| * @param lng longitude | |
| * @param lat latitude | |
| * @param vector3 optional output vector3 | |
| * @returns a unit vector of the 3d position | |
| */ | |
| function lonLatToVector3( lng, lat, out ) | |
| { | |
| out = out || new THREE.Vector3(); |
nicoptere
/ imageProxy.php
Last active
December 27, 2023 17:30
basic PHP image proxy (that works ... )
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| <?php | |
| $url = ""; | |
| if( isset( $_GET['url'] ) ) | |
| { | |
| $url = $_GET[ 'url' ]; | |
| } | |
| else | |
| { |
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| /* | |
| from : http://en.wikipedia.org/wiki/Mersenne_twister | |
| */ | |
| let MT | |
| let index | |
| class PRNG { | |
| static setSeed(seed) { | |
| // Create a length 624 array to store the state of the generator | |
| MT = new Uint32Array(624) | |
| index = 0 |
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| /** | |
| * lol() | |
| * improving the console.log through dynamic LULZ injection | |
| * | |
| * history | |
| * - v0.0 RC - 2014-08-08 - 13h01 : initial release | |
| * - v0.1 RC - 2014-08-08 - 13h29 : DogeScript support | |
| * | |
| * Licensed under WTFPL | |
| * |
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