/// <summary>
/// Create Particles
/// </summary>
/// <param name="startPosition">Position in Relation to World Coordinates</param>
/// <param name="size">2 = 4x4 square; 10 = 20x20 square</param>
/// <param name="timeToLive">Time to Live in Milliseconds</param>
internal void createParticles(Vector2 velocity, Vector2 acceleration, Vector2 startPosition, float size, int timeToLive)
{
if (numOfActiveParticles < maxNumOfParticles)
{
//create particle vertices
particleVertices[numOfActiveParticles * 4] = new ParticleVertexFormat(new Vector2(startPosition.X - size, startPosition.Y - size), velocity, acceleration, new HalfVector2(0, 0), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
particleVertices[numOfActiveParticles * 4 + 1] = new ParticleVertexFormat(new Vector2(startPosition.X + size, startPosition.Y - size), velocity, acceleration, new HalfVector2(1, 0), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
particleVertices[numOfActiveParticles * 4 + 2] = new ParticleVertexFormat(new Vector2(startPosition.X + size, startPosition.Y + size), velocity, acceleration, new HalfVector2(1, 1), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
particleVertices[numOfActiveParticles * 4 + 3] = new ParticleVertexFormat(new Vector2(startPosition.X - size, startPosition.Y + size), velocity, acceleration, new HalfVector2(0, 1), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
//set time to live
expirationTime[numOfActiveParticles] = timeToLive + (int)This.gameTime.TotalGameTime.TotalMilliseconds;
moveParticleToGPU(numOfActiveParticles);
//increment number of particles
numOfActiveParticles++;
}
}
/// <summary>
/// Create Particles
/// </summary>
/// <param name="startPosition">Position in Relation to World Coordinates</param>
/// <param name="size">2 = 4x4 square; 10 = 20x20 square</param>
/// <param name="timeToLive">Time to Live in Milliseconds</param>
internal void createParticles(Vector2 velocity, Vector2 acceleration, Vector2 startPosition, float size, int timeToLive)
{
if (numOfActiveParticles < maxNumOfParticles)
{
//create particle vertices
particleVertices[numOfActiveParticles * 4] = new ParticleVertexFormat(new Vector2(startPosition.X - size, startPosition.Y - size), velocity, acceleration, new HalfVector2(0, 0), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
particleVertices[numOfActiveParticles * 4 + 1] = new ParticleVertexFormat(new Vector2(startPosition.X + size, startPosition.Y - size), velocity, acceleration, new HalfVector2(1, 0), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
particleVertices[numOfActiveParticles * 4 + 2] = new ParticleVertexFormat(new Vector2(startPosition.X + size, startPosition.Y + size), velocity, acceleration, new HalfVector2(1, 1), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
particleVertices[numOfActiveParticles * 4 + 3] = new ParticleVertexFormat(new Vector2(startPosition.X - size, startPosition.Y + size), velocity, acceleration, new HalfVector2(0, 1), (int)This.gameTime.TotalGameTime.TotalMilliseconds, timeToLive);
//set time to live
expirationTime[numOfActiveParticles] = timeToLive + (int)This.gameTime.TotalGameTime.TotalMilliseconds;
moveParticleToGPU(numOfActiveParticles);
//increment number of particles
numOfActiveParticles++;
}
}
