Rotation and Movement question

[timofiend]

Hi, I am trying to make my character move in the direction he is facing, using slightly adapted code from the movement tutorial on the website. But I dont understand how I make the character change the direction he is walking, relative to where is facing.

The code I am using from the tutorial for movement is this

Code: Select all

			    core::vector3df nodeRotation = node1->getRotation();

                if(receiver.IsKeyDown(irr::KEY_KEY_A))
                        nodeRotation.Y += MOVEMENT_SPEED * frameDeltaTime;
                else if(receiver.IsKeyDown(irr::KEY_KEY_D))
                        nodeRotation.Y -= MOVEMENT_SPEED * frameDeltaTime;

				node1->setRotation( core::vector3df(nodeRotation) ); 


                core::vector3df nodePosition = node1->getPosition();
	

                if(receiver.IsKeyDown(irr::KEY_KEY_W))
                        nodePosition.Z -= MOVEMENT_SPEED * frameDeltaTime;
                else if(receiver.IsKeyDown(irr::KEY_KEY_S))
                        nodePosition.Z += MOVEMENT_SPEED * frameDeltaTime;

                node1->setPosition(nodePosition);

Only edited slightly so when A or D is pressed the character rotates instead of strafes left/right.

Could anyone give me an idea as to how I would change the direction he is walking to be the direction he is facing when being rotated? I have done abit of searching on the forums and I gather I would possibly need to use a rotation matrix? But I am quite new to this and dont really understand.

Any help would be appreciated, thanks.

[serengeor]

Have you ever seen the mighty Search button? This has been answered billions of times by now.

[timofiend]

It appears my searching skills are terrible lol. I searched twice before I posted this, and couldnt find anything. Then I just searched again and found something instantly.

[serengeor]

It appears my searching skills are terrible lol. I searched twice before I posted this, and couldnt find anything. Then I just searched again and found something instantly.

There ya go