shaders moved to subdir; console click on the actor to type its id in

assets/shaders/aonly.frag

@@ -0,0 +1,9 @@
+varying vec4 v_color;
+varying vec2 v_texCoords;
+uniform sampler2D u_texture;
+
+vec2 boolean = vec2(0.0, 1.0);
+
+void main(void) {
+    gl_FragColor = texture2D(u_texture, v_texCoords).aaaa * boolean.yyyx + boolean.xxxy;
+}