calculating 3D object's roll angle relative to jaw angle

if planes z axis angle is >=0 and < 90 -> setShapeRotation(180, -5, %curentAngle);

function playerClass::rotating(%this, %curentAngle, %direction, %rotateSpeed) {
	// 0 for left
	if (%direction == 0) {
		// if we hold left key
		if (%this.moveLeft) {
			if (isEventPending(%this.playerRotatingSchedule)) {
				cancel(%this.playerRotatingSchedule);
			}
			// +1 degree to curent z angle (z = planes jaw)
			%curentAngle++;
			// update planes z angle (jaw) and Y angle (roll)
			// this all goes in one line but you will easy understand how
			// i want to get it to work
			%valX = getWord(%this.rollAngleCalculation(%curentAngle), 0);
			%valY = getWord(%this.rollAngleCalculation(%curentAngle), 1);
			%curentAngle = getWord(%this.rollAngleCalculation(%curentAngle), 2);
			echo("X " @ %valX @ " Y " @ %valY @ " Z " @ %curentAngle);
			%this.setShapeRotation(%valX, %valY, %curentAngle);
			
			// if plane is moving forward update polar velocity so it will move to planes facing
			if ($playerCurentSpeed != 0) {
				%curentAngle = radToDeg(getWord(%this.getShapeRotation(), 1));
				%this.setLinearVelocityPolar(-%curentAngle, $playerCurentSpeed);
			}
			%this.playerRotatingSchedule = %this.schedule(%rotateSpeed, "rotating", %curentAngle, %direction, %rotateSpeed);
		}
		else {
			%this.setShapeRotation(180, 0, %curentAngle);
			cancel(%this.playerRotatingSchedule);
		}
	}
	// 1 for right everything else is the same as above
	if (%direction == 1) {
		if (%this.moveright) {
			if (isEventPending(%this.playerRotatingSchedule)) {
				cancel(%this.playerRotatingSchedule);
			}
			%curentAngle--;
			%this.setShapeRotation(180, 0, %curentAngle);
			if ($playerCurentSpeed != 0) {
				%curentAngle = radToDeg(getWord(%this.getShapeRotation(), 1));
				%this.setLinearVelocityPolar(-%curentAngle, $playerCurentSpeed);
			}
			%this.playerRotatingSchedule = %this.schedule(%rotateSpeed, "rotating", %curentAngle, %direction, %rotateSpeed);
		}
		else {
			echo("angle : " @ %curentAngle);
			cancel(%this.playerRotatingSchedule);
		}
	}
}

// function to calculate roll angle (mainly Y axis)
// since the X, Y, Z axis dont rotate with 3d object
// when we use %this.setShapeRotation(180, 0, %curentAngle)
// we need to calculate (virtual Y axis if you will)
// so the plane will roll to the left or right for 5 degrees no 
// mather wich direction is facing. We need to update X and Y axis for every schedule.
function playerClass::rollAngleCalculation(%this, %curentZAngle) {
	%retValX = 180; // needs to be 180 if not plane will fly upside down :p
	%retValY = 0;
	// we can do loads of if else statements like
	if (%curentZAngle >= 0 && %curentZAngle < 90) {
		%retValX = 180;
		%retValY = -5;
	}
	if (%curentZAngle >= 90 && %curentZAngle < 180) {
		%retValX = 185;
		%retValY = 0;
	}
	if (%curentZAngle >= 180 && %curentZAngle < 270) {
		%retValX = 180;
		%retValY = 5;
	}
	if (%curentZAngle >= 270) {
		%retValX = 175;
		%retValY = 0;
		if (%curentZAngle == 360) {
			// reset Y to zero or it will just keep adding to  the value to infinity
			// in schedule
			%curentZAngle = 0;
		}
	}
	// thats all fine if my plane can fly only up, down, left and right
        //  (north, south, east and west).
	// But plane is able to fly in all directions. I can code
	// for 45(north west), 135(south west) , 225 (sout east) and
        // 315 (north east) the same way i did above. I just devide 5 
	// by 2 and add or substract 2.5 to X and Y
	return %retValX SPC %retValY SPC %curentZAngle;
}