/// <summary>
/// Determines how the drawable is drawn to the screen.
/// </summary>
/// <param name="spriteBatch">The sprite batch that this drawable will be drawn under.</param>
/// <param name="parent">The parent drawable. This value can be null if the drawable
/// does not have a parent.</param>
public void Draw(SpriteBatch spriteBatch, IDrawable parent)
{
float rotation = Rotation;
if (parent != null)
{
rotation = parent.Rotation + Rotation;
}
Vector2 finalPosition = OrionMath.RotatePointPositive(Position, Vector2.Zero, rotation);
finalPosition += parent.Position;
if (_renderTarget != null)
{
spriteBatch.Draw(
_renderTarget,
finalPosition,
new Rectangle(0, 0, _renderTarget.Width, _renderTarget.Height),
Color.White,
(float)OrionMath.ToRadians(rotation),
new Vector2(_renderTarget.Width / 2, _renderTarget.Height / 2),
1.0f,
_spriteEffects,
0.0f
);
}
}
public virtual void Draw(SpriteBatch spriteBatch, IDrawable parent)
{
float rotation = Rotation;
if (parent != null)
{
rotation = parent.Rotation + Rotation;
}
Vector2 finalPosition = OrionMath.RotatePointPositive(Position, Vector2.Zero, rotation);
if (parent != null)
{
finalPosition += parent.Position;
}
spriteBatch.Draw(
Texture,
finalPosition,
_drawRect,
new Color(Tint, Alpha),
(float)OrionMath.ToRadians(rotation),
Origin,
Scale,
SpriteEffects.None,
0.0f
);
}
public override void Update(GameTime gameTime, IUpdatable parent)
{
// When physics are enabled, entity movements are handled
// by the physics engine.
if (!_physicsFlag)
{
// calc speed as a scalar
float speed = Velocity.Length();
// update the position
Position += new Vector2(
(float)Math.Cos(OrionMath.ToRadians(Rotation - 90.0f)) * speed * (float)gameTime.ElapsedGameTime.TotalSeconds,
(float)Math.Sin(OrionMath.ToRadians(Rotation - 90.0f)) * speed * (float)gameTime.ElapsedGameTime.TotalSeconds
);
}
base.Update(gameTime, parent);
}
/// <summary>
/// Determines how the primative is drawn to the screen.
/// </summary>
/// <param name="spriteBatch">The sprite batch that this drawable will be drawn under.</param>
public void Draw(SpriteBatch spriteBatch, IDrawable parent)
{
int x = (int)(Position.X - Origin.X);
int y = (int)(Position.Y - Origin.Y);
Primitives2D.FillRectangle(
spriteBatch,
new Rectangle(x, y, Width, Height),
FillColor,
(float)OrionMath.ToRadians(Rotation)
);
Vector2 v1 = OrionMath.RotatePointPositive(new Vector2(x, y), Origin, Rotation);
Vector2 v2 = OrionMath.RotatePointPositive(new Vector2(x + Width, y), Origin, Rotation);
Vector2 v3 = OrionMath.RotatePointPositive(new Vector2(x + Width, y + Height), Origin, Rotation);
Vector2 v4 = OrionMath.RotatePointPositive(new Vector2(x, y + Height), Origin, Rotation);
Primitives2D.DrawLine(spriteBatch, v1, v2, BorderColor, BorderWidth);
Primitives2D.DrawLine(spriteBatch, v2, v3, BorderColor, BorderWidth);
Primitives2D.DrawLine(spriteBatch, v3, v4, BorderColor, BorderWidth);
Primitives2D.DrawLine(spriteBatch, v4, v1, BorderColor, BorderWidth);
}