Function multiply3x3Vec

multiply3x3Vec(out: vec3.Vec3, mat: mat4.Mat4, vec: vec3.Vec3): vec3.Vec3
Transform a Vec3 by only the 3x3 rotation part of a Mat4.
Parameters
- out: vec3.Vec3
  the receiving vector
- mat: mat4.Mat4
  the matrix to transform with
- vec: vec3.Vec3
  the vector to transform
Returns vec3.Vec3
out
- Defined in core/mat4.ts:690