diff --git a/assets/ms_fragment.txt b/assets/ms_fragment.txt
index e6e494c..1ff2249 100755
--- a/assets/ms_fragment.txt
+++ b/assets/ms_fragment.txt
@@ -3,14 +3,46 @@ varying vec4 color;
 varying vec3 position;
 
 uniform vec4 lineParams;
+uniform vec4 startPointEndPoint;
 
 void main() 
 {
 	float a = lineParams.x;
 	float b = lineParams.y;
 	float c = lineParams.z;
-
-	float distance = abs(a*position.x + b*position.y + c);
 	
-	gl_FragColor = vec4(color.rgb, color.a*clamp(1.2 / (distance + 1.0) - 0.5, 0.0, 1.0));
+	float Xa = startPointEndPoint.r;
+	float Ya = startPointEndPoint.g;
+	
+	float Xb = startPointEndPoint.b;
+	float Yb = startPointEndPoint.a;
+	
+	
+	
+	float distance;
+	
+	
+	float distanceToA = (Xa - position.x)*(Xb - Xa) + (Ya - position.y)*(Yb - Ya);
+	
+	float distanceToB = (Xb - position.x)*(Xb - Xa) + (Yb - position.y)*(Yb - Ya);
+	
+	
+	
+	if (distanceToA * distanceToB > 0)
+	{
+		float len = sqrt((Xb - Xa)*(Xb - Xa) + (Yb - Ya)*(Yb - Ya));
+		distance = max(abs(distanceToA/len), abs(distanceToB/len));
+	}
+	else
+	{
+		distance = abs(a*position.x + b*position.y + c);
+	}
+
+	
+	float t = clamp(1.2 / (distance + 1.0) - 0.5, 0.0, 1.0);
+	
+	
+	gl_FragColor = vec4(color.rgb, color.a*t);
+	
+	//gl_FragColor = vec4(color.rgb*clamp(1.2 / (distance + 1.0) - 0.5, 0.0, 1.0), 1.0);
 }
\ No newline at end of file
diff --git a/assets/ms_fragment_x16.txt b/assets/ms_fragment_x16.txt
index 81cad5c..e7d3efe 100755
--- a/assets/ms_fragment_x16.txt
+++ b/assets/ms_fragment_x16.txt
@@ -42,5 +42,6 @@ void main()
 	distance = min(distance, abs(lineParams15.x*position.x + lineParams15.y*position.y + lineParams15.z));
 	
 	
-	gl_FragColor = vec4(color.rgb, color.a*clamp(1.2 / (distance + 1.0) - 0.5, 0.0, 1.0));
+	//gl_FragColor = vec4(color.rgb, color.a*clamp(1.2 / (distance + 1.0) - 0.5, 0.0, 1.0));
+	gl_FragColor = vec4(color.rgb*clamp(1.2 / (distance + 1.0) - 0.5, 0.0, 1.0),  1.0);
 }
\ No newline at end of file
diff --git a/game/main_code.cpp b/game/main_code.cpp
index 636becc..fe3242a 100644
--- a/game/main_code.cpp
+++ b/game/main_code.cpp
@@ -11,7 +11,11 @@
 
 TMyApplication* Application;
 
-#define USE_SHADER_X16
+//static const float BUFFER_DISTANCE = 30.f;
+static const float BUFFER_DISTANCE = 50.f;
+
+
+//#define USE_SHADER_X16
 
 
 #ifdef USE_SHADER_X16
@@ -19,6 +23,8 @@ TMyApplication* Application;
 
 std::vector<TRenderPair> linesToRenderBoxesX16(const std::vector<std::pair<Vector2f, Vector2f>>& lineArr)
 {
+
+	
 	std::vector<TRenderPair> lineRenderPairArr;
 
 	size_t boxCount = lineArr.size() / 16;
@@ -53,12 +59,12 @@ std::vector<TRenderPair> linesToRenderBoxesX16(const std::vector<std::pair<Vecto
 
 
 
-		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0), startPoint(1), 0));
-		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0), endPoint(1), 0));
-		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0), endPoint(1), 0));
-		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0), startPoint(1), 0));
-		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0), endPoint(1), 0));
-		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0), startPoint(1), 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0)- BUFFER_DISTANCE, startPoint(1) - BUFFER_DISTANCE, 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0) - BUFFER_DISTANCE, endPoint(1)+ BUFFER_DISTANCE, 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0) + BUFFER_DISTANCE, endPoint(1) + BUFFER_DISTANCE, 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0) - BUFFER_DISTANCE, startPoint(1) - BUFFER_DISTANCE, 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0) + BUFFER_DISTANCE, endPoint(1) + BUFFER_DISTANCE, 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0) + BUFFER_DISTANCE, startPoint(1) - BUFFER_DISTANCE, 0));
 
 		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
 		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
@@ -111,13 +117,32 @@ std::vector<TRenderPair> linesToRenderBoxes(const std::vector<std::pair<Vector2f
 
 		auto& pair = lineRenderPairArr[i];
 
+		Vector2f renderAreaStart{ std::min<float>(startPoint(0), endPoint(0)) - BUFFER_DISTANCE, std::min<float>(startPoint(1), endPoint(1)) - BUFFER_DISTANCE };
 
+		Vector2f renderAreEnd{ std::max<float>(startPoint(0), endPoint(0)) + BUFFER_DISTANCE, std::max<float>(startPoint(1), endPoint(1)) + BUFFER_DISTANCE };
+
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(renderAreaStart(0), renderAreaStart(1), 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(renderAreaStart(0), renderAreEnd(1), 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(renderAreEnd(0), renderAreEnd(1), 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(renderAreaStart(0), renderAreaStart(1), 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(renderAreEnd(0), renderAreEnd(1), 0));
+		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(renderAreEnd(0), renderAreaStart(1), 0));
+
+
+		/*
 		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0), startPoint(1), 0));
 		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0), endPoint(1), 0));
 		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0), endPoint(1), 0));
 		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(startPoint(0), startPoint(1), 0));
 		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0), endPoint(1), 0));
 		pair.second.Data.Vec3CoordArr[CONST_STRING_POSITION_ATTRIB].push_back(Vector3f(endPoint(0), startPoint(1), 0));
+		*/
+		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
+		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
+		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
+		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
+		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
+		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
 
 		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
 		pair.second.Data.Vec4CoordArr[CONST_STRING_COLOR_ATTRIB].push_back(Vector4f(1, 0, 0, 1));
@@ -138,10 +163,14 @@ std::vector<TRenderPair> linesToRenderBoxes(const std::vector<std::pair<Vector2f
 		float c = -(lineNormVec(0)*startPoint(0) + lineNormVec(1)*startPoint(1));
 
 		pair.first.Vec4Map["lineParams"] = Vector4f(a, b, c, 0);
+		pair.first.Vec4Map["startPointEndPoint"] = Vector4f(startPoint(0), startPoint(1), endPoint(0), endPoint(1));
 
 		pair.second.RefreshBuffer();
+		
 	}
 
+	
+
 	return lineRenderPairArr;
 }
 
@@ -193,9 +222,9 @@ void TMyApplication::InnerInit()
 
 	for (int i = 0; i < 10; i++)
 	{
-		lineArr.push_back({ {10.f + i * 20.f, 10.f}, { 20.f + i * 20.f, 400.f } });
+		lineArr.push_back({ {50.f + i * 20.f, 50.f}, { 60.f + i * 20.f, 440.f } });
 
-		lineArr.push_back({ { 20.f + i * 20.f, 400.f },{ 30.f + i * 20.f, 10.f } });
+		lineArr.push_back({ { 60.f + i * 20.f, 440.f },{ 70.f + i * 20.f, 50.f } });
 	};