A Paste by iridium

class CParticleEmitter { public:     float * ParticlePositionsList;     float * ParticleColourList;     float * ParticleVelocityList;     void Initialize()     {         ParticlePositionsList = new float[ numParticles * (TrailLength+2) * 3 + 1 ];         ParticleColourList    = new float[ numParticles * (TrailLength+2) * 4 + 1 ];         ParticleVelocityList  = new float[ numParticles * 3 + 1 ];         if ( !ParticlePositionsList || !ParticleColourList || !ParticleVelocityList )             throw;         memset( ParticlePositionsList, 0, numParticles * (TrailLength+2) * 3 );         memset( ParticleColourList,    0, numParticles * (TrailLength+2) * 4 );         memset( ParticleVelocityList,  0, numParticles * 3 );         for ( int i = 0; i < numParticles; i++ )             ReSpawnParticle( i );     }     void Render()     {         int temp;         //VertexCount = 0;         VertexCount = numParticles * (TrailLength+2);         glColorPointer( 4, GL_FLOAT, 0, ParticleColourList );         glVertexPointer( 3, GL_FLOAT, 0, ParticlePositionsList );         glEnableClientState( GL_VERTEX_ARRAY );         glEnableClientState( GL_COLOR_ARRAY );         glDrawArrays( GL_LINE_STRIP, 0, numParticles * (TrailLength + 2) );         temp = glGetError();         if ( temp != 0 )             throw;     } }