Function angle

stackgl_modules/index.js:24807–24821

* Get the angle between two 3D vectors * @param {vec3} a The first operand * @param {vec3} b The second operand * @returns {Number} The angle in radians

(a, b)

 * @returns {Number} The angle in radians
 */
function angle(a, b) {
    var tempA = fromValues(a[0], a[1], a[2])
    var tempB = fromValues(b[0], b[1], b[2])
 
    normalize(tempA, tempA)
    normalize(tempB, tempB)
 
    var cosine = dot(tempA, tempB)

    if(cosine > 1.0){
        return 0
    } else {
        return Math.acos(cosine)
    }     
}


/***/ }),