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

assets/shaders/blendGlow.frag

@@ -0,0 +1,18 @@
+#version 120
+#ifdef GL_ES
+    precision mediump float;
+#endif
+
+
+varying vec4 v_color;
+varying vec2 v_texCoords;
+uniform sampler2D u_texture; // world texture, has alpha value that is meaningful
+
+uniform sampler2D tex1; // glow texture, SHOULD contain alpha of all 1.0
+
+void main(void) {
+    vec4 colorTex0 = texture2D(u_texture, v_texCoords); // lightmap (RGB) pre-mixed
+    vec4 colorTex1 = texture2D(tex1, v_texCoords); // lightmap (A) pre-mixed
+
+    gl_FragColor = vec4(max(colorTex0.rgb, colorTex1.rgb), colorTex0.a);
+}