/** * Returns whether or not the vectors have approximately the same elements in the same position. * * @param {vec3} a The first vector. * @param {vec3} b The second vector. * @returns {Boolean} True if the vectors are equal, false otherwise. */ // prettier-ignore function mat4equals(a, b) { const a0 = a[0], b0 = b[0]; const a1 = a[1], b1 = b[1]; const a2 = a[2], b2 = b[2]; const a3 = a[3], b3 = b[3]; const a4 = a[4], b4 = b[4]; const a5 = a[5], b5 = b[5]; const a6 = a[6], b6 = b[6]; const a7 = a[7], b7 = b[7]; const a8 = a[8], b8 = b[8]; const a9 = a[9], b9 = b[9]; const a10 = a[10], b10 = b[10]; const a11 = a[11], b11 = b[11]; const a12 = a[12], b12 = b[12]; const a13 = a[13], b13 = b[13]; const a14 = a[14], b14 = b[14]; const a15 = a[15], b15 = b[15]; return (Math.abs(a0 - b0) <= EPSILON * Math.max(1.0, Math.abs(a0), Math.abs(b0)) && Math.abs(a1 - b1) <= EPSILON * Math.max(1.0, Math.abs(a1), Math.abs(b1)) && Math.abs(a2 - b2) <= EPSILON * Math.max(1.0, Math.abs(a2), Math.abs(b2)) && Math.abs(a3 - b3) <= EPSILON * Math.max(1.0, Math.abs(a3), Math.abs(b3)) && Math.abs(a4 - b4) <= EPSILON * Math.max(1.0, Math.abs(a4), Math.abs(b4)) && Math.abs(a5 - b5) <= EPSILON * Math.max(1.0, Math.abs(a5), Math.abs(b5)) && Math.abs(a6 - b6) <= EPSILON * Math.max(1.0, Math.abs(a6), Math.abs(b6)) && Math.abs(a7 - b7) <= EPSILON * Math.max(1.0, Math.abs(a7), Math.abs(b7)) && Math.abs(a8 - b8) <= EPSILON * Math.max(1.0, Math.abs(a8), Math.abs(b8)) && Math.abs(a9 - b9) <= EPSILON * Math.max(1.0, Math.abs(a9), Math.abs(b9)) && Math.abs(a10 - b10) <= EPSILON * Math.max(1.0, Math.abs(a10), Math.abs(b10)) && Math.abs(a11 - b11) <= EPSILON * Math.max(1.0, Math.abs(a11), Math.abs(b11)) && Math.abs(a12 - b12) <= EPSILON * Math.max(1.0, Math.abs(a12), Math.abs(b12)) && Math.abs(a13 - b13) <= EPSILON * Math.max(1.0, Math.abs(a13), Math.abs(b13)) && Math.abs(a14 - b14) <= EPSILON * Math.max(1.0, Math.abs(a14), Math.abs(b14)) && Math.abs(a15 - b15) <= EPSILON * Math.max(1.0, Math.abs(a15), Math.abs(b15)) ); }