Section:Changing the Border and Fill Colors Independently

text_and_shaders.ini

@@ -16,6 +16,8 @@ Position      = (0.0, 0.0, -1.0)
 
 [TextObject]
 Graphic = TextGraphic
+ShaderList = TextShader
+Color = (255,255,255)
 
 [TextGraphic]
 Text          = TextWithCustomFont
@@ -25,4 +27,19 @@ Pivot         = center
 String = HELLO WORLD!!
 Font = plump
 
+[TextShader]
+ParamList = texture # BorderColor ; We've added a new parameter
+Code = "
+void main() {
+    // Get the texture value for the current pixel
+    vec4 tex = texture2D(texture, gl_TexCoord[0].xy);
+
+    // Here's the fun; We blend in the border color based on R channel
+    gl_FragColor.rgb = mix(vec3(1.0), BorderColor, tex.r) * gl_Color.rgb;
+
+    // Set the pixel alpha to the texture's alpha multiplied by the object's
+    gl_FragColor.a = tex.a * gl_Color.a;
+}"
+BorderColor = (0,0,255) ; Let's make the border blue, just for fun.
+
 @plump.ini@