public override void Draw(RenderContext renderContext)
{
if (CanDraw)
{
renderContext.SpriteBatch.Draw(_texture, Position, DrawRect, Color,
MathHelper.ToRadians(Rotation), Vector2.Zero, Scale, Effect, Depth);
base.Draw(renderContext);
}
}
protected override void Initialize()
{
// TODO: Add your initialization logic here
_renderContext = new RenderContext();
_background = new GameSprite("Background");
_enemy = new GameSprite("Enemy");
_hero = new Hero2D();
_hero.Initialize();
_enemy.Position = new Vector2(10, 10);
base.Initialize();
}
public override void Update(RenderContext renderContext)
{
_heroSprite.Update(renderContext);
var heroPos = _heroSprite.Position;
if (_direction == 1 && heroPos.X >= renderContext.GraphicsDevice.Viewport.Width
- (FrameWidth * _heroSprite.Scale.X))
{
_direction = -1;
_heroSprite.Effect = SpriteEffects.FlipHorizontally;
}
else if (_direction == -1 && heroPos.X < 0)
{
_direction = 1;
_heroSprite.Effect = SpriteEffects.None;
}
heroPos.X += (float)(Speed * renderContext.GameTime.ElapsedGameTime.TotalSeconds * _direction);
_heroSprite.Position = heroPos;
}
public virtual void Draw(RenderContext renderContext)
{
}
public virtual void Update(RenderContext renderContext)
{
WorldMatrix =
Matrix.CreateTranslation(new Vector3(-PivotPoint, 0)) *
Matrix.CreateScale(new Vector3(LocalScale, 1)) *
Matrix.CreateRotationZ(MathHelper.ToRadians(LocalRotation)) *
Matrix.CreateTranslation(new Vector3(LocalPosition, 0));
if (Parent != null)
{
WorldMatrix = Matrix.Multiply(WorldMatrix, Matrix.CreateTranslation(new Vector3(Parent.PivotPoint, 0)));
WorldMatrix = Matrix.Multiply(WorldMatrix, Parent.WorldMatrix);
}
}
public override void Draw(RenderContext renderContext)
{
_heroSprite.Draw(renderContext);
}
public override void Update(RenderContext renderContext)
{
if (IsPlaying && !IsPaused)
{
_totalFrameTime += renderContext.GameTime.ElapsedGameTime.Milliseconds;
if (_totalFrameTime >= FrameInterval)
{
_totalFrameTime = 0;
if (_rowCount > 1)
{
_frameRect.Location = new Point(FrameSize.X * (CurrentFrame % _columnCount),
FrameSize.Y * (int)Math.Floor(CurrentFrame / _columnCount));
}
else _frameRect.Location = new Point(FrameSize.X * CurrentFrame, 0);
DrawRect = _frameRect;
++CurrentFrame;
if (CurrentFrame >= NumFrames)
{
CurrentFrame = 0;
IsPlaying = IsLooping;
}
}
}
base.Update(renderContext);
}
