diff --git a/src/geom.glsl b/src/geom.glsl
index 99eada4..1b68b16 100644
--- a/src/geom.glsl
+++ b/src/geom.glsl
@@ -8,36 +8,39 @@ out vec4 vColour;
 uniform vec4 uColour;
 uniform vec2 uScaleFact;
 
+const float widthCoef = 1.0;
+const float aaCoef = 1.5;
+
 void main()
 {
-	vec2 n = normalize(gl_in[1].gl_Position.xy - gl_in[0].gl_Position.xy);
-	vec4 c = vec4(n.yx * vec2(1.0, -1.0) * uScaleFact, 0.0, 0.0);
+	vec4 from = gl_in[0].gl_Position;
+	vec4 to = gl_in[1].gl_Position;
+	vec2 normal = normalize(to.xy - from.xy);
+	vec4 tangent = vec4(normal.yx * vec2(1.0, -1.0) * uScaleFact, 0.0, 0.0);
 
-	const float width = 0.75;
-	const float fuzz = 2.0;
+	const float cumulCoef = widthCoef + aaCoef;
+	vec4 edgeColour = uColour * vec4(1.0, 1.0, 1.0, 0.0);
 
-	const float widthFuzz = width + fuzz;
-
-	vColour = uColour * vec4(1.0, 1.0, 1.0, 0.0);
-	gl_Position = gl_in[0].gl_Position - c * widthFuzz;
+	vColour = edgeColour;
+	gl_Position = from - tangent * cumulCoef;
 	EmitVertex();
-	gl_Position = gl_in[1].gl_Position - c * widthFuzz;
+	gl_Position = to - tangent * cumulCoef;
 	EmitVertex();
 
 	vColour = uColour;
-	gl_Position = gl_in[0].gl_Position - c * width;
+	gl_Position = from - tangent * widthCoef;
 	EmitVertex();
-	gl_Position = gl_in[1].gl_Position - c * width;
+	gl_Position = to - tangent * widthCoef;
 	EmitVertex();
 
-	gl_Position = gl_in[0].gl_Position + c * width;
+	gl_Position = from + tangent * widthCoef;
 	EmitVertex();
-	gl_Position = gl_in[1].gl_Position + c * width;
+	gl_Position = to + tangent * widthCoef;
 	EmitVertex();
 
-	vColour = uColour * vec4(1.0, 1.0, 1.0, 0.0);
-	gl_Position = gl_in[0].gl_Position + c * widthFuzz;
+	vColour = edgeColour;
+	gl_Position = from + tangent * cumulCoef;
 	EmitVertex();
-	gl_Position = gl_in[1].gl_Position + c * widthFuzz;
+	gl_Position = to + tangent * cumulCoef;
 	EmitVertex();
 }