From 7028cbe09c688437910a25623098762bf0fa592d Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Mon, 28 Mar 2016 22:28:34 +1000
Subject: Move Irrlicht to src/others.

---
 .../Irrlicht/CParticleAttractionAffector.cpp       | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/others/irrlicht-1.8.1/source/Irrlicht/CParticleAttractionAffector.cpp

(limited to 'src/others/irrlicht-1.8.1/source/Irrlicht/CParticleAttractionAffector.cpp')

diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CParticleAttractionAffector.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CParticleAttractionAffector.cpp
new file mode 100644
index 0000000..83887c9
--- /dev/null
+++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CParticleAttractionAffector.cpp
@@ -0,0 +1,84 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "CParticleAttractionAffector.h"
+#include "IAttributes.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! constructor
+CParticleAttractionAffector::CParticleAttractionAffector(
+		const core::vector3df& point, f32 speed, bool attract,
+		bool affectX, bool affectY, bool affectZ )
+	: Point(point), Speed(speed), AffectX(affectX), AffectY(affectY),
+		AffectZ(affectZ), Attract(attract), LastTime(0)
+{
+	#ifdef _DEBUG
+	setDebugName("CParticleAttractionAffector");
+	#endif
+}
+
+
+//! Affects an array of particles.
+void CParticleAttractionAffector::affect(u32 now, SParticle* particlearray, u32 count)
+{
+	if( LastTime == 0 )
+	{
+		LastTime = now;
+		return;
+	}
+
+	f32 timeDelta = ( now - LastTime ) / 1000.0f;
+	LastTime = now;
+
+	if( !Enabled )
+		return;
+
+	for(u32 i=0; i<count; ++i)
+	{
+		core::vector3df direction = (Point - particlearray[i].pos).normalize();
+		direction *= Speed * timeDelta;
+
+		if( !Attract )
+			direction *= -1.0f;
+
+		if( AffectX )
+			particlearray[i].pos.X += direction.X;
+
+		if( AffectY )
+			particlearray[i].pos.Y += direction.Y;
+
+		if( AffectZ )
+			particlearray[i].pos.Z += direction.Z;
+	}
+}
+
+//! Writes attributes of the object.
+void CParticleAttractionAffector::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
+{
+	out->addVector3d("Point", Point);
+	out->addFloat("Speed", Speed);
+	out->addBool("AffectX", AffectX);
+	out->addBool("AffectY", AffectY);
+	out->addBool("AffectZ", AffectZ);
+	out->addBool("Attract", Attract);
+}
+
+//! Reads attributes of the object.
+void CParticleAttractionAffector::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
+{
+	Point = in->getAttributeAsVector3d("Point");
+	Speed = in->getAttributeAsFloat("Speed");
+	AffectX = in->getAttributeAsBool("AffectX");
+	AffectY = in->getAttributeAsBool("AffectY");
+	AffectZ = in->getAttributeAsBool("AffectZ");
+	Attract = in->getAttributeAsBool("Attract");
+}
+
+} // end namespace scene
+} // end namespace irr
+
-- 
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