D:/guillaume/guillara/3D/DXGfx/Backup/DXGfxLib/Avatar.cs

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using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

namespace DXGfxLib
{
    // States
    public enum AvatarState { Moving, Resting };

    public class Avatar
    {
        public float speed = 1.0f;

        public Vector3 destination;

        public AvatarState currentState = AvatarState.Resting;

        public SceneObject associatedSceneObject = null;

        private Avatar()
        {
        }

        private Avatar(SceneNode node)
        {
        }

        public Avatar(SceneObject sceneObj)
        {
            associatedSceneObject = sceneObj;
        }

        public void MoveTo(Vector3 desiredDestination)
        {
            destination = desiredDestination;
            currentState = AvatarState.Moving;
        }

        public void StopMoving()
        {
            currentState = AvatarState.Resting;
        }

        public void FrameMove(float elapsedTime)
        {
            if (currentState == AvatarState.Moving)
            {

                Vector3 diff = Vector3.Subtract(destination, associatedSceneObject.Position);

                if (diff.Length() < 0.5f)
                {
                    currentState = AvatarState.Resting;
                }
                else
                {
                    diff.Normalize();

                    Matrix translation = Matrix.Translation(speed * diff);

                    associatedSceneObject.ApplyWorldTransform(translation);

                    // Now if a class implementing IPositionConstraint has been set for this scene node
                    // let's use it.
                    if (associatedSceneObject.positionConstraint != null)
                    {
                        Matrix transf = associatedSceneObject.positionConstraint.ValidateOrMove(associatedSceneObject.Position, associatedSceneObject.localBoundingBox);
                        associatedSceneObject.ApplyWorldTransform(transf);
                    }
                }

            }
        }
    }
}

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