12 lines
255 B
JavaScript
12 lines
255 B
JavaScript
module.exports = dot
|
|
|
|
/**
|
|
* Calculates the dot product of two vec2's
|
|
*
|
|
* @param {vec2} a the first operand
|
|
* @param {vec2} b the second operand
|
|
* @returns {Number} dot product of a and b
|
|
*/
|
|
function dot(a, b) {
|
|
return a[0] * b[0] + a[1] * b[1]
|
|
} |