diff --git a/Aquaria/Avatar.cpp b/Aquaria/Avatar.cpp
index e8e75d7..ea5856e 100644
--- a/Aquaria/Avatar.cpp
+++ b/Aquaria/Avatar.cpp
@@ -574,6 +574,7 @@ void SongIcon::openNote()
 
 	float glowLife = 0.5;
 
+	{
 	Quad *q = new Quad("particles/glow", position);
 	q->scale.interpolateTo(Vector(10, 10), glowLife+0.1f);
 	q->alpha.ensureData();
@@ -585,6 +586,8 @@ void SongIcon::openNote()
 	q->setBlendType(RenderObject::BLEND_ADD);
 	q->followCamera = 1;
 	dsq->game->addRenderObject(q, LR_HUD);
+	q->setDecayRate(1/(glowLife+0.1f));
+	}
 
 	{
 	std::ostringstream os2;
@@ -603,6 +606,7 @@ void SongIcon::openNote()
 	//q->setBlendType(RenderObject::BLEND_ADD);
 	q->followCamera = 1;
 	dsq->game->addRenderObject(q, LR_HUD);
+	q->setDecayRate(1/(glowLife+0.1f));
 	}
 
 	avatar->songInterfaceTimer = 1.0;
@@ -1422,7 +1426,7 @@ void Avatar::openSingingInterface()
 			//core->setMousePosition(Vector(400,300));
 		}
 
-		core->setMouseConstraintCircle(singingInterfaceRadius);
+		core->setMouseConstraintCircle(core->center, singingInterfaceRadius);
 		stopRoll();
 		singing = true;
 		currentSongIdx = SONG_NONE;
diff --git a/Aquaria/GridRender.cpp b/Aquaria/GridRender.cpp
index 3ebcd41..bbfd4a3 100644
--- a/Aquaria/GridRender.cpp
+++ b/Aquaria/GridRender.cpp
@@ -166,16 +166,7 @@ void SongLineRender::newPoint(const Vector &pt, const Vector &color)
 		s.color = color;
 		pts.push_back(s);
 		if (pts.size() > maxx)
-		{
-			std::vector<SongLinePoint> copy;
-			copy = pts;
-			pts.clear();
-			for (int i = 1; i < copy.size(); i++)
-			{
-				pts.push_back(copy[i]);
-			}
-		}
-			
+			pts.erase(pts.begin());
 	}
 	else if (!pts.empty() && inRange)
 	{
diff --git a/Aquaria/ScriptInterface.cpp b/Aquaria/ScriptInterface.cpp
index 7a86a10..44197f6 100644
--- a/Aquaria/ScriptInterface.cpp
+++ b/Aquaria/ScriptInterface.cpp
@@ -8060,6 +8060,18 @@ luaFunc(getMouseWheelChange)
 	luaReturnNum(core->mouse.scrollWheelChange);
 }
 
+luaFunc(setMouseConstraintCircle)
+{
+	core->setMouseConstraintCircle(Vector(lua_tonumber(L, 1), lua_tonumber(L, 2)), lua_tonumber(L, 3));
+	luaReturnNil();
+}
+
+luaFunc(setMouseConstraint)
+{
+	core->setMouseConstraint(getBool(L, 1));
+	luaReturnNil();
+}
+
 luaFunc(fade)
 {
 	dsq->overlay->color.interpolateTo(Vector(lua_tonumber(L, 3), lua_tonumber(L, 4), lua_tonumber(L, 5)), lua_tonumber(L, 6));
@@ -9114,6 +9126,8 @@ static const struct {
 	luaRegister(getMousePos),
 	luaRegister(getMouseWorldPos),
 	luaRegister(getMouseWheelChange),
+	luaRegister(setMouseConstraintCircle),
+	luaRegister(setMouseConstraint),
 
 	luaRegister(resetContinuity),
 
diff --git a/BBGE/Core.cpp b/BBGE/Core.cpp
index ac0f4dd..459ceb3 100644
--- a/BBGE/Core.cpp
+++ b/BBGE/Core.cpp
@@ -3296,10 +3296,12 @@ void Core::setMouseConstraint(bool on)
 	mouseConstraint = on;
 }
 
-void Core::setMouseConstraintCircle(float circle)
+void Core::setMouseConstraintCircle(const Vector& pos, float circle)
 {
 	mouseConstraint = true;
 	mouseCircle = circle;
+	mouseConstraintCenter = pos;
+	mouseConstraintCenter.z = 0;
 }
 
 /*
@@ -3333,7 +3335,7 @@ bool Core::doMouseConstraint()
 	{
 		//- core->getVirtualOffX()
 		//- virtualOffX
-		Vector h = Vector(core->center.x , core->center.y);
+		Vector h = mouseConstraintCenter;
 		Vector d = mouse.position - h;
 		if (!d.isLength2DIn(mouseCircle))
 		{
diff --git a/BBGE/Core.h b/BBGE/Core.h
index da4e73e..55d2233 100644
--- a/BBGE/Core.h
+++ b/BBGE/Core.h
@@ -1037,7 +1037,7 @@ public:
 	void removeRenderObject(RenderObject *r, RemoveRenderObjectFlag flag = DESTROY_RENDER_OBJECT);
 
 	void setMouseConstraint(bool on);
-	void setMouseConstraintCircle(float mouseCircle);
+	void setMouseConstraintCircle(const Vector& pos, float mouseCircle);
 	
 	void setReentryInputGrab(int on);
 	
@@ -1350,6 +1350,7 @@ protected:
 	std::string appName;
 	bool mouseConstraint;
 	float mouseCircle;
+	Vector mouseConstraintCenter;
 	
 	bool doMouseConstraint();
 	
diff --git a/BBGE/Emitter.cpp b/BBGE/Emitter.cpp
index 31c693e..dc855cf 100644
--- a/BBGE/Emitter.cpp
+++ b/BBGE/Emitter.cpp
@@ -284,6 +284,8 @@ void Emitter::onRender()
 
 	if (hasRot)
 	{
+		Vector colorMult = data.inheritColor ? pe->color : Vector(1, 1, 1);
+		float alphaMult = data.inheritAlpha ? pe->alpha.x : 1;
 		for (Particles::iterator i = particles.begin(); i != particles.end(); i++)
 		{
 			Particle *p = *i;
@@ -293,7 +295,8 @@ void Emitter::onRender()
 				const float dy = h2 * p->scale.y;
 
 #ifdef BBGE_BUILD_OPENGL
-				glColor4f(p->color.x, p->color.y, p->color.z, p->alpha.x);
+				Vector col = p->color * colorMult;
+				glColor4f(col.x, col.y, col.z, p->alpha.x * alphaMult);
 
 				
 				if (p->rot.z != 0 || p->rot.isInterpolating())
diff --git a/BBGE/ParticleEffect.cpp b/BBGE/ParticleEffect.cpp
index 72dde64..7209a0c 100644
--- a/BBGE/ParticleEffect.cpp
+++ b/BBGE/ParticleEffect.cpp
@@ -404,6 +404,16 @@ void ParticleEffect::bankLoad(const std::string &file, const std::string &path)
 				inf >> tmp;
 				inf >> currentEmitter->data.suckIndex >> currentEmitter->data.suckStr;
 			}
+			else if (token == "InheritColor")
+			{
+				inf >> tmp;
+				inf >> currentEmitter->data.inheritColor;
+			}
+			else if (token == "InheritAlpha")
+			{
+				inf >> tmp;
+				inf >> currentEmitter->data.inheritAlpha;
+			}
 		}
 	}
 }
diff --git a/BBGE/Particles.h b/BBGE/Particles.h
index 4eb8a90..21b96ee 100644
--- a/BBGE/Particles.h
+++ b/BBGE/Particles.h
@@ -72,6 +72,8 @@ struct SpawnParticleData
 	float counter;
 	float spawnTimeOffset;
 	bool spawnLocal;
+	bool inheritColor;
+	bool inheritAlpha;
 
 	float lastDTDifference;
 	int groupRender;
diff --git a/BBGE/SpawnParticleData.cpp b/BBGE/SpawnParticleData.cpp
index 0c99aef..f6f89cd 100644
--- a/BBGE/SpawnParticleData.cpp
+++ b/BBGE/SpawnParticleData.cpp
@@ -70,4 +70,6 @@ SpawnParticleData::SpawnParticleData()
 	groupRender = 0;
 	pauseLevel = 0;
 	copyParentFlip = 0;
+	inheritColor = false;
+	inheritAlpha = false;
 }