public void Draw(SpriteBatch spriteBatch, Vector2 offset)
{
Rectangle sourceRectangle = new Rectangle(0, 0, Texture.Width, Texture.Height);
Vector2 origin = new Vector2(Texture.Width / 2, Texture.Height / 2);
Color color = OrionMath.LinearInterpolate(EndColor, StartColor, Life / _maxLife);
spriteBatch.Draw(Texture, offset + Position, sourceRectangle, new Color(color, Alpha),
Angle, origin, Size, SpriteEffects.None, 0f);
}
public TValue GetNextValue()
{
TValue random = default(TValue);
if (typeof(TValue) == typeof(int))
{
int a = (int)Convert.ChangeType(UpperBound, typeof(int));
int b = (int)Convert.ChangeType(LowerBound, typeof(int));
double rand = _Randomizer.NextDouble();
int val = OrionMath.LinearInterpolate(a, b, rand);
random = (TValue)Convert.ChangeType(val, typeof(TValue));
}
else if (typeof(TValue) == typeof(float))
{
float a = (float)Convert.ChangeType(UpperBound, typeof(float));
float b = (float)Convert.ChangeType(LowerBound, typeof(float));
double rand = _Randomizer.NextDouble();
float val = OrionMath.LinearInterpolate(a, b, rand);
random = (TValue)Convert.ChangeType(val, typeof(TValue));
}
else if (typeof(TValue) == typeof(double))
{
double a = (double)Convert.ChangeType(UpperBound, typeof(double));
double b = (double)Convert.ChangeType(LowerBound, typeof(double));
double rand = _Randomizer.NextDouble();
double val = OrionMath.LinearInterpolate(a, b, rand);
random = (TValue)Convert.ChangeType(val, typeof(TValue));
}
else if (typeof(TValue) == typeof(Vector2))
{
Vector2 a = (Vector2)Convert.ChangeType(UpperBound, typeof(Vector2));
Vector2 b = (Vector2)Convert.ChangeType(LowerBound, typeof(Vector2));
double rand = _Randomizer.NextDouble();
Vector2 val = OrionMath.LinearInterpolate(a, b, rand);
random = (TValue)Convert.ChangeType(val, typeof(TValue));
}
else if (typeof(TValue) == typeof(Color))
{
Color a = (Color)Convert.ChangeType(UpperBound, typeof(Color));
Color b = (Color)Convert.ChangeType(LowerBound, typeof(Color));
double rand = _Randomizer.NextDouble();
Color val = OrionMath.LinearInterpolate(a, b, rand);
random = (TValue)Convert.ChangeType(val, typeof(TValue));
}
return(random);
}
public void Update(GameTime gameTime)
{
if (Alive)
{
if (Life > 0)
{
Life -= gameTime.ElapsedGameTime.Milliseconds;
Vector2 vel = OrionMath.LinearInterpolate(EndVelocity, StartVelocity, Life / _maxLife);
Position += vel * (float)gameTime.ElapsedGameTime.TotalSeconds;
Angle += AngularVelocity * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else
{
Alive = false;
}
}
}