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/CSceneNodeAnimatorFlyCircle.cpp       | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 src/others/irrlicht-1.8.1/source/Irrlicht/CSceneNodeAnimatorFlyCircle.cpp

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

diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CSceneNodeAnimatorFlyCircle.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CSceneNodeAnimatorFlyCircle.cpp
new file mode 100644
index 0000000..dc887fa
--- /dev/null
+++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CSceneNodeAnimatorFlyCircle.cpp
@@ -0,0 +1,100 @@
+// 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 "CSceneNodeAnimatorFlyCircle.h"
+
+namespace irr
+{
+namespace scene
+{
+
+
+//! constructor
+CSceneNodeAnimatorFlyCircle::CSceneNodeAnimatorFlyCircle(u32 time,
+		const core::vector3df& center, f32 radius, f32 speed,
+		const core::vector3df& direction, f32 radiusEllipsoid)
+	: Center(center), Direction(direction), Radius(radius),
+	RadiusEllipsoid(radiusEllipsoid), Speed(speed), StartTime(time)
+{
+	#ifdef _DEBUG
+	setDebugName("CSceneNodeAnimatorFlyCircle");
+	#endif
+	init();
+}
+
+
+void CSceneNodeAnimatorFlyCircle::init()
+{
+	Direction.normalize();
+
+	if (Direction.Y != 0)
+		VecV = core::vector3df(50,0,0).crossProduct(Direction).normalize();
+	else
+		VecV = core::vector3df(0,50,0).crossProduct(Direction).normalize();
+	VecU = VecV.crossProduct(Direction).normalize();
+}
+
+
+//! animates a scene node
+void CSceneNodeAnimatorFlyCircle::animateNode(ISceneNode* node, u32 timeMs)
+{
+	if ( 0 == node )
+		return;
+
+	f32 time;
+
+	// Check for the condition where the StartTime is in the future.
+	if(StartTime > timeMs)
+		time = ((s32)timeMs - (s32)StartTime) * Speed;
+	else
+		time = (timeMs-StartTime) * Speed;
+
+//	node->setPosition(Center + Radius * ((VecU*cosf(time)) + (VecV*sinf(time))));
+	f32 r2 = RadiusEllipsoid == 0.f ? Radius : RadiusEllipsoid;
+	node->setPosition(Center + (Radius*cosf(time)*VecU) + (r2*sinf(time)*VecV ) );
+}
+
+
+//! Writes attributes of the scene node animator.
+void CSceneNodeAnimatorFlyCircle::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
+{
+	out->addVector3d("Center", Center);
+	out->addFloat("Radius", Radius);
+	out->addFloat("Speed", Speed);
+	out->addVector3d("Direction", Direction);
+	out->addFloat("RadiusEllipsoid", RadiusEllipsoid);
+}
+
+
+//! Reads attributes of the scene node animator.
+void CSceneNodeAnimatorFlyCircle::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
+{
+	Center = in->getAttributeAsVector3d("Center");
+	Radius = in->getAttributeAsFloat("Radius");
+	Speed = in->getAttributeAsFloat("Speed");
+	Direction = in->getAttributeAsVector3d("Direction");
+	StartTime = 0;
+	
+	if (Direction.equals(core::vector3df(0,0,0)))
+		Direction.set(0,1,0); // irrlicht 1.1 backwards compatibility
+	else
+		Direction.normalize();
+
+	RadiusEllipsoid = in->getAttributeAsFloat("RadiusEllipsoid");
+	init();
+}
+
+
+ISceneNodeAnimator* CSceneNodeAnimatorFlyCircle::createClone(ISceneNode* node, ISceneManager* newManager)
+{
+	CSceneNodeAnimatorFlyCircle * newAnimator = 
+		new CSceneNodeAnimatorFlyCircle(StartTime, Center, Radius, Speed, Direction, RadiusEllipsoid);
+
+	return newAnimator;
+}
+
+
+} // end namespace scene
+} // end namespace irr
+
-- 
cgit v1.1