Gesture.cs

Siirry tämän tiedoston dokumentaatioon.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;

namespace Jypeli.WP7
{
    public class Gesture : Touch
    {
        Vector2 _previousPosition2;
        Vector2 _position2;
        Vector2 _movement2;

        public Vector PositionOnScreen2
        {
            get
            {
                return Game.Screen.FromXnaScreenCoordinates( _position2 );
            }
        }

        public Vector PositionOnWorld2
        {
            get
            {
                return Game.Instance.Camera.ScreenToWorld( PositionOnScreen2 );
            }
        }

        public Vector MovementOnScreen2
        {
            get
            {
                return new Vector( (double)_movement2.X, -(double)_movement2.Y );
            }
        }

        public Vector MovementOnWorld2
        {
            get
            {
                return MovementOnScreen2 / Game.Instance.Camera.ZoomFactor;
            }
        }

        public Vector WorldDistanceBefore
        {
            get
            {
                return PositionOnWorld2 - PositionOnWorld;
            }
        }

        public Vector WorldDistanceAfter
        {
            get
            {
                return ( PositionOnWorld2 + MovementOnWorld2 ) - ( PositionOnWorld + MovementOnWorld );
            }
        }

        public Vector ScreenDistanceBefore
        {
            get
            {
                return PositionOnScreen2 - PositionOnScreen;
            }
        }

        public Vector ScreenDistanceAfter
        {
            get
            {
                return ( PositionOnScreen2 + MovementOnScreen2 ) - ( PositionOnScreen + MovementOnScreen );
            }
        }

        public Angle Rotation
        {
            get
            {
                return ScreenDistanceAfter.Angle - ScreenDistanceBefore.Angle;
            }
        }

#if WINDOWS_PHONE
        internal Gesture( Vector2 position, Vector2 movement, Vector2 position2, Vector2 movement2 )
            : base( position, movement )
        {
            this._position2 = position2;
            this._movement2 = movement2;
        }
#endif
    }
}