docs: public void makeRotationMatrix(double angle) {
  		final double sinAngle = Math.sin(angle);
  		final double cosAngle = Math.cos(angle);
  
  		this.m00 = cosAngle;
  		this.m01 = -sinAngle;
  		this.m02 = 0.;
  
  		this.m11 = cosAngle;
  		this.m10 = sinAngle;
  		this.m12 = 0.;
  
  		this.m20 = 0.;
  		this.m21 = 0.;
  		this.m22 = 1.;
  	}