diff --git a/common/lc_context.cpp b/common/lc_context.cpp
index 1a67282a..0e290459 100644
--- a/common/lc_context.cpp
+++ b/common/lc_context.cpp
@@ -48,13 +48,15 @@ lcContext::lcContext()
 	mViewMatrix = lcMatrix44Identity();
 	mProjectionMatrix = lcMatrix44Identity();
 	mViewProjectionMatrix = lcMatrix44Identity();
-	mHighlightColor = lcVector4(0.0f, 0.0f, 0.0f, 0.0f);
+	mHighlightParams[0] = lcVector4(0.0f, 0.0f, 0.0f, 0.0f);
+	mHighlightParams[1] = lcVector4(0.0f, 0.0f, 0.0f, 0.0f);
+	mHighlightParams[2] = lcVector4(0.0f, 0.0f, 0.0f, 0.0f);
 	mColorDirty = false;
 	mWorldMatrixDirty = false;
 	mViewMatrixDirty = false;
 	mProjectionMatrixDirty = false;
 	mViewProjectionMatrixDirty = false;
-	mHighlightColorDirty = false;
+	mHighlightParamsDirty = false;
 
 	mMaterialType = LC_NUM_MATERIALS;
 }
@@ -204,7 +206,7 @@ void lcContext::CreateShaderPrograms()
 		mPrograms[MaterialType].MaterialColorLocation = glGetUniformLocation(Program, "MaterialColor");
 		mPrograms[MaterialType].LightPositionLocation = glGetUniformLocation(Program, "LightPosition");
 		mPrograms[MaterialType].EyePositionLocation = glGetUniformLocation(Program, "EyePosition");
-		mPrograms[MaterialType].HighlightColorLocation = glGetUniformLocation(Program, "HighlightColor");
+		mPrograms[MaterialType].HighlightParamsLocation = glGetUniformLocation(Program, "HighlightParams");
 	}
 }
 
@@ -333,7 +335,7 @@ void lcContext::SetMaterial(lcMaterialType MaterialType)
 		mColorDirty = true;
 		mWorldMatrixDirty = true; // todo: change dirty to a bitfield and set the lighting constants dirty here
 		mViewMatrixDirty = true;
-		mHighlightColorDirty = true;
+		mHighlightParamsDirty = true;
 	}
 	else
 	{
@@ -1174,10 +1176,10 @@ void lcContext::FlushState()
 			mColorDirty = false;
 		}
 
-		if (mHighlightColorDirty && Program.HighlightColorLocation != -1)
+		if (mHighlightParamsDirty && Program.HighlightParamsLocation != -1)
 		{
-			glUniform4fv(Program.HighlightColorLocation, 1, mHighlightColor);
-			mHighlightColorDirty = false;
+			glUniform4fv(Program.HighlightParamsLocation, 2, mHighlightParams[0]);
+			mHighlightParamsDirty = false;
 		}
 	}
 	else
diff --git a/common/lc_context.h b/common/lc_context.h
index fc978fbd..ccfcd848 100644
--- a/common/lc_context.h
+++ b/common/lc_context.h
@@ -73,7 +73,7 @@ struct lcProgram
 	GLint MaterialColorLocation;
 	GLint LightPositionLocation;
 	GLint EyePositionLocation;
-	GLint HighlightColorLocation;
+	GLint HighlightParamsLocation;
 };
 
 class lcFramebuffer
@@ -153,10 +153,11 @@ public:
 		mColorDirty = true;
 	}
 
-	void SetHighlightColor(const lcVector4& HighlightColor)
+	void SetHighlightParams(const lcVector4& HighlightMin, const lcVector4& HighlightMax)
 	{
-		mHighlightColor = HighlightColor;
-		mHighlightColorDirty = true;
+		mHighlightParams[0] = HighlightMin;
+		mHighlightParams[1] = HighlightMax;
+		mHighlightParamsDirty = true;
 	}
 
 	void SetColor(float Red, float Green, float Blue, float Alpha);
@@ -226,13 +227,13 @@ protected:
 	lcMatrix44 mViewMatrix;
 	lcMatrix44 mProjectionMatrix;
 	lcMatrix44 mViewProjectionMatrix;
-	lcVector4 mHighlightColor;
+	lcVector4 mHighlightParams[3];
 	bool mColorDirty;
 	bool mWorldMatrixDirty;
 	bool mViewMatrixDirty;
 	bool mProjectionMatrixDirty;
 	bool mViewProjectionMatrixDirty;
-	bool mHighlightColorDirty;
+	bool mHighlightParamsDirty;
 
 	GLuint mFramebufferObject;
 
diff --git a/common/lc_viewsphere.cpp b/common/lc_viewsphere.cpp
index c49532f8..c699ed92 100644
--- a/common/lc_viewsphere.cpp
+++ b/common/lc_viewsphere.cpp
@@ -179,13 +179,28 @@ void lcViewSphere::Draw()
 	Context->SetVertexFormatPosition(3);
 	Context->SetIndexBuffer(mIndexBuffer);
 
-	Context->SetColor(1.0f, 1.0f, 1.0f, 1.0f);
-	Context->SetHighlightColor(lcVector4(0.0f, 0.0f, 0.0f, 1.0f));
+	Context->SetHighlightParams(lcVector4(10.0f, 10.0f, 10.0f, 0.0f), lcVector4(-10.0f, -10.0f, -10.0f, 0.0f));
 	Context->DrawIndexedPrimitives(GL_TRIANGLES, mSubdivisions * mSubdivisions * 6 * 6, GL_UNSIGNED_SHORT, 0);
 
 	if (mIntersectionFlags.any())
 	{
-		Context->SetHighlightColor(lcVector4(1.0, 0, 0, 1.0));
+		lcVector4 HighlightMin(-10.0f, -10.0f, -10.0f, 0.0f), HighlightMax(10.0f, 10.0f, 10.0f, 0.0f);
+
+		for (int AxisIdx = 0; AxisIdx < 3; AxisIdx++)
+		{
+			if (mIntersectionFlags.test(2 * AxisIdx))
+			{
+				HighlightMin[AxisIdx] = 0.5f;
+				HighlightMax[AxisIdx] = 10.0f;
+			}
+			else if (mIntersectionFlags.test(2 * AxisIdx + 1))
+			{
+				HighlightMin[AxisIdx] = -10.0f;
+				HighlightMax[AxisIdx] = -0.5f;
+			}
+		}
+
+		Context->SetHighlightParams(HighlightMin, HighlightMax);
 
 		for (int FlagIdx = 0; FlagIdx < 6; FlagIdx++)
 		{
diff --git a/resources/shaders/unlit_view_sphere_ps.glsl b/resources/shaders/unlit_view_sphere_ps.glsl
index c401fecc..17d10efd 100644
--- a/resources/shaders/unlit_view_sphere_ps.glsl
+++ b/resources/shaders/unlit_view_sphere_ps.glsl
@@ -1,12 +1,20 @@
 LC_PIXEL_INPUT vec3 PixelNormal;
 LC_PIXEL_OUTPUT
 
-uniform mediump vec4 MaterialColor;
-uniform mediump vec4 HighlightColor;
+uniform mediump vec4 HighlightParams[2];
 uniform samplerCube Texture;
 
+const mediump vec4 TextColor = vec4(0.0, 0.0, 0.0, 1.0);
+const mediump vec4 BackgroundColor = vec4(1.0, 1.0, 1.0, 1.0);
+const mediump vec4 HighlightColor = vec4(1.0, 0.0, 0.0, 1.0);
+
 void main()
 {
 	LC_SHADER_PRECISION float TexelAlpha = textureCube(Texture, PixelNormal).a;
-	gl_FragColor = mix(MaterialColor, HighlightColor, TexelAlpha);
+
+	if (PixelNormal.x > HighlightParams[0].x && PixelNormal.y > HighlightParams[0].y && PixelNormal.z > HighlightParams[0].z &&
+		PixelNormal.x < HighlightParams[1].x && PixelNormal.y < HighlightParams[1].y && PixelNormal.z < HighlightParams[1].z)
+		gl_FragColor = mix(HighlightColor, TextColor, TexelAlpha);
+	else
+		gl_FragColor = mix(BackgroundColor, TextColor, TexelAlpha);
 }