/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Starting position of system</param>
/// <param name="col">Color of the particles in the system</param>
public PSFirework(Vector pos, Color col)
{
// Set system's position at given position
m_Position = pos;
// Set system color to given color
m_Color = col;
// Initialize the system
InitSystem();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Position <see cref="Vector"/> of newly created particle</param>
/// <param name="velocity">Velocity <see cref="Vector"/> of newly created particle</param>
/// <param name="col">Color of newly created particle</param>
/// <param name="life">Starting age of newly created particle</param>
public Particle(Vector pos, Vector velocity, Color col, int life)
{
// Create particle at given position
m_Position = pos;
// Set particle's speed to given speed
m_Velocity = velocity;
// Set particle's color to given color
m_Color = col;
// Make sure starting age is valid
if (life > 0)
m_Life = life;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Starting position of system</param>
/// <param name="col">Color of the particles in the system</param>
public PSExplosion(Vector pos, Color col)
{
// Set system's position at given position
m_Position = pos;
// Set system color to given color
m_Color = col;
// Create all the particles in the system
for (int i = 0; i < DEFAULT_NUM_PARTICLES; i++)
{
// Create particle, and add it to the list of particles
m_Particles.Add(GenerateParticle());
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Starting position of system</param>
/// <param name="col">Color of the particles in the system</param>
public PSFountain(Vector pos, Color col)
{
// Mark that this system regenerates particles
m_Regenerate = true;
// Set system's position at given position
m_Position = pos;
// Set system color to given color
m_Color = col;
// Create ONLY 5 particles
for (int i = 0; i < 5; i++)
{
// Create particle, and add it to the list of particles
m_Particles.Add(GenerateParticle());
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Starting position of system</param>
public PSExplosion(Vector pos)
: this(Vector.Zero, Color.Black)
{
}
/// <summary>
/// Initiate vector with same values as given Vector
/// </summary>
/// <param name="v">Vector to copy coordinations</param>
public Vector(Vector vector)
{
m_Xcoord = vector.X;
m_Ycoord = vector.Y;
m_Zcoord = vector.Z;
}
/// <summary>
/// Substract 2 vectors and create a new one.
/// </summary>
/// <param name="vector1">First vector</param>
/// <param name="vector2">Second vector</param>
/// <returns>New vector that is the difference of the 2 vectors</returns>
public static Vector Subtract(Vector vector1, Vector vector2)
{
if (((Object)vector1 == null) || ((Object)vector2 ==null))
return null;
return new Vector(vector1.X - vector2.X, vector1.Y - vector2.Y, vector1.Z - vector2.Z);
}
/// <summary>
/// Return a new vector with negative values.
/// </summary>
/// <param name="v">Original vector</param>
/// <returns>New vector that is the inversion of the original vector</returns>
public static Vector Neg(Vector vector)
{
if ((Object)vector == null)
return null;
return new Vector(-vector.X, -vector.Y, -vector.Z);
}
/// <summary>
/// Multiply a vector with a scalar
/// </summary>
/// <param name="vector">Vector to be multiplied</param>
/// <param name="val">Scalar to multiply vector</param>
/// <returns>New vector that is the multiplication of the vector with the scalar</returns>
public static Vector Multiply(Vector vector, float val)
{
if ((Object)vector == null)
return null;
return new Vector(vector.X * val, vector.Y * val, vector.Z * val);
}
/// <summary>
/// Add 2 vectors and create a new one.
/// </summary>
/// <param name="vector1">First vector</param>
/// <param name="vector2">Second vector</param>
/// <returns>New vector that is the sum of the 2 vectors</returns>
public static Vector Add(Vector vector1, Vector vector2)
{
if (((Object)vector1 == null) || ((Object)vector2 ==null))
return null;
return new Vector(vector1.X + vector2.X, vector1.Y + vector2.Y, vector1.Z + vector2.Z);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Starting position of system</param>
public PSFountain(Vector pos)
: this(pos, Color.Black)
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Central position of the system</param>
public ParticlesSystem(Vector pos)
{
// Set system's position to given position
m_Position = pos;
}
/// <summary>
/// Default constructor
/// </summary>
public ParticlesSystem()
{
// Set default position of the system
m_Position = Vector.Zero;
}
/// <summary>
/// Update position, velocity and age of particle
/// </summary>
/// <returns>False - if particle is too old and should be killed
/// True - otherwise</returns>
public virtual void Update()
{
// Update particle's movement according to environment
m_Velocity = m_Velocity - Environment.GetInstance().Gravity
+ Environment.GetInstance().Wind;
// Update particle's position according to movement
m_Position = m_Position + m_Velocity;
// Update particle's age
m_Life++;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pos">Starting position of system</param>
public PSFirework(Vector pos)
: this(pos, Color.Black)
{
}