Method dot

examples/extern/gmath.bundle.js:547–550

(other)

        return this.normal().mul(length);
    }
    dot(other) {
        const { x , y , z , w: w3  } = this.mul(other);
        return x + y + z + w3;
    }
    lerp(other, alpha) {
        return this.add(other.sub(this).mul(alpha));
    }