Оригинальное руководство.

//----------------------------------------------------------------------------- // Purpose: // // Input : Vector - &pos | Position to create the Blood Impact at. // Input : Vector - &dir | Direction to create the Blood Impact in. // Input : int - color | Type of blood to create. // Input : int - Amount | Amount of blood impacts to create // Input : int - flags | Part of the data for DispatchEvent // Output : //----------------------------------------------------------------------------- void UTIL_BloodSpray( const Vector &pos, const Vector &dir, int color, int amount, int flags )

const int FX_BLOODSPRAY_DROPS = 0x01; const int FX_BLOODSPRAY_GORE = 0x02; const int FX_BLOODSPRAY_CLOUD = 0x04; const int FX_BLOODSPRAY_ALL = 0xFF;

UTIL_BloodSpray( vecOrigin, vecDir, BLOOD_COLOR_RED, 4, FX_BLOODSPRAY_ALL );

//This example creates a blood spray from an attachment point. //This is seen in npc_hunters. //Line 4322 in npc_hunter.cpp for more details! Vector vecOrigin; Vector vecDir; // spray blood from the attachment point bool bGotAttachment = false; if ( pEvent->options ) { QAngle angDir; if ( GetAttachment( pEvent->options, vecOrigin, angDir ) ) { bGotAttachment = true; AngleVectors( angDir, &vecDir, NULL, NULL ); } } // fall back to our center, tracing forward if ( !bGotAttachment ) { vecOrigin = WorldSpaceCenter(); GetVectors( &vecDir, NULL, NULL ); } UTIL_BloodSpray( vecOrigin, vecDir, BLOOD_COLOR_RED, 4, FX_BLOODSPRAY_ALL ); //Create some blood decals on the world infront of our blood spray for ( int i = 0 ; i < 3 ; i++ ) { Vector vecTraceDir = vecDir; vecTraceDir.x += random->RandomFloat( -0.1, 0.1 ); vecTraceDir.y += random->RandomFloat( -0.1, 0.1 ); vecTraceDir.z += random->RandomFloat( -0.1, 0.1 ); trace_t tr; AI_TraceLine( vecOrigin, vecOrigin + ( vecTraceDir * 192.0f ), MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr ); if ( tr.fraction != 1.0 ) { UTIL_BloodDecalTrace( &tr, BLOOD_COLOR_RED ); } }

UTIL_BloodSpray( vecBloodPos, Vector(0,0,-1), GetEnemy()->BloodColor(), 8, FX_BLOODSPRAY_ALL );