public void Update( GameTime gameTime, Camera camera ) {
movementTime += (float)gameTime.ElapsedGameTime.TotalSeconds;
if( movementTime >= movementDuration )
ChooseTargetPosition();
float fraction = movementTime / movementDuration;
float currentXZ = camera.CurrentXZ + MathHelper.SmoothStep( previousXZ, targetXZ, fraction );
float currentY = camera.CurrentY + MathHelper.SmoothStep( previousY, targetY, fraction );
position.X = (float)Math.Sin( currentXZ );
position.Y = (float)Math.Sin( currentY );
position.Z = (float)Math.Cos( currentXZ );
position *= LightDistance;
}
public Board( int sizeX, int sizeY, bool twoSided ) {
this.twoSided = twoSided;
this.width = sizeX;
this.height = sizeY;
camera = new Camera( (float)Math.Max( sizeX, sizeY ) * 400.0f / 5.0f );
nextPictureSet = PictureDatabase.GetNextPictureSet( twoSided ? 2 : 1 );
this.layout = new Chip[ Width, Height ];
this.boardPositionMatrices = new Matrix[ Width, Height ];
for( int y = 0; y < Height; y++ ) {
for( int x = 0; x < Width; x++ ) {
Chip chip = new Chip();
chips.Add( chip );
chip.XPosition = x;
chip.YPosition = y;
layout[ x, y ] = chip;
Vector2 chipTexCoordFactor = new Vector2( 1.0f / Width, 1.0f / Height );
chip.TexCoordScale = chipTexCoordFactor;
chip.TexCoordTranslationFront = new Vector2( ( x * chipTexCoordFactor.X ), ( ( Height - 1 ) - y ) * chipTexCoordFactor.Y );
chip.TexCoordTranslationBack = new Vector2( ( ( Width - 1 ) - x ) * chipTexCoordFactor.X, ( ( Height - 1 ) - y ) * chipTexCoordFactor.Y );
}
}
emptyX = RandomHelper.Random.Next( 0, Width );
emptyY = RandomHelper.Random.Next( 0, Height );
Chip removed = layout[ emptyX, emptyY ];
chips.Remove( removed );
layout[ emptyX, emptyY ] = null;
}