Improve ship nickname rendering

resources/shaders/text2d.fragment

@@ -1,11 +1,14 @@
 #version 330 core
 in vec2 TexCoord;
 out vec4 FragColor;
-
 uniform sampler2D uText;
-uniform vec3 uColor;
-
+uniform vec4 uColor;
+uniform vec4 uOutlineColor;
+uniform float uOutlineWidth = 0.7;
 void main() {
-    float a = texture(uText, TexCoord).r;  // glyph alpha in RED channel
-    FragColor = vec4(uColor, a);
+	float dist = texture(uText, TexCoord).r;
+	float outline = smoothstep(0.5 - uOutlineWidth, 0.5 + uOutlineWidth, dist);
+	float text = smoothstep(0.5, 0.5 + 0.1, dist);
+	float glow = exp(-pow(dist - 0.5, 2.0) / 0.02);
+	FragColor = vec4(uColor.rgb * (text + glow * 0.6), uColor.a * outline);
 }