dist/axis3d.js
/**
 * Rotates a matrix by the given angle around the Y axis
 *
 * @param {mat4} out the receiving matrix
 * @param {mat4} a the matrix to rotate
 * @param {Number} rad the angle to rotate the matrix by
 * @returns {mat4} out
 */
Rotates a matrix by the given angle around the Y axis
@param {mat4} out the receiving matrix
@param {mat4} a the matrix to rotate
@param {Number} rad the angle to rotate the matrix by
@returns {mat4} out
Rotates a matrix by the given angle around the Y axis @param { mat4 } out the receiving matrix @param { mat4 } a the matrix to rotate @param { Number } rad the angle to rotate the matrix by @returns { mat4 } out
function rotateY(out, a, rad) {
    var s = Math.sin(rad),
        c = Math.cos(rad),
        a00 = a[0],
        a01 = a[1],
        a02 = a[2],
        a03 = a[3],
        a20 = a[8],
        a21 = a[9],
        a22 = a[10],
        a23 = a[11];
    if (a !== out) {
        out[4] = a[4];
        out[5] = a[5];
        out[6] = a[6];
        out[7] = a[7];
        out[12] = a[12];
        out[13] = a[13];
        out[14] = a[14];
        out[15] = a[15];
    }
    out[0] = a00 * c - a20 * s;
    out[1] = a01 * c - a21 * s;
    out[2] = a02 * c - a22 * s;
    out[3] = a03 * c - a23 * s;
    out[8] = a00 * s + a20 * c;
    out[9] = a01 * s + a21 * c;
    out[10] = a02 * s + a22 * c;
    out[11] = a03 * s + a23 * c;
    return out;
}
function rotateY ( out , a , rad ) { var s = Math . sin ( rad ) , c = Math . cos ( rad ) , a00 = a [ 0 ] , a01 = a [ 1 ] , a02 = a [ 2 ] , a03 = a [ 3 ] , a20 = a [ 8 ] , a21 = a [ 9 ] , a22 = a [ 10 ] , a23 = a [ 11 ] ; if ( a !== out ) { out [ 4 ] = a [ 4 ] ; out [ 5 ] = a [ 5 ] ; out [ 6 ] = a [ 6 ] ; out [ 7 ] = a [ 7 ] ; out [ 12 ] = a [ 12 ] ; out [ 13 ] = a [ 13 ] ; out [ 14 ] = a [ 14 ] ; out [ 15 ] = a [ 15 ] ; } out [ 0 ] = a00 * c - a20 * s ; out [ 1 ] = a01 * c - a21 * s ; out [ 2 ] = a02 * c - a22 * s ; out [ 3 ] = a03 * c - a23 * s ; out [ 8 ] = a00 * s + a20 * c ; out [ 9 ] = a01 * s + a21 * c ; out [ 10 ] = a02 * s + a22 * c ; out [ 11 ] = a03 * s + a23 * c ; return out ; }
Rotates a matrix by the given angle around the Y axis
 @param {mat4} out the receiving matrix
 @param {mat4} a the matrix to rotate
 @param {Number} rad the angle to rotate the matrix by
 @returns {mat4} out
Rotates a matrix by the given angle around the Y axis @param { mat4 } out the receiving matrix @param { mat4 } a the matrix to rotate @param { Number } rad the angle to rotate the matrix by @returns { mat4 } out
// If the source and destination differ, copy the unchanged rows // Perform axis-specific matrix multiplication