14 lines
267 B
JavaScript
14 lines
267 B
JavaScript
module.exports = length;
|
|
|
|
/**
|
|
* Calculates the length of a vec3
|
|
*
|
|
* @param {vec3} a vector to calculate length of
|
|
* @returns {Number} length of a
|
|
*/
|
|
function length(a) {
|
|
var x = a[0],
|
|
y = a[1],
|
|
z = a[2]
|
|
return Math.sqrt(x*x + y*y + z*z)
|
|
} |