Post Game jam commit

shaders/selective_glow.gdshader

@@ -0,0 +1,21 @@
+shader_type canvas_item;
+
+uniform vec4 replace : source_color  = vec4(0.0);
+uniform float intensity : hint_range(0.0, 5.0, 0.1);
+
+void vertex() {
+	// Called for every vertex the material is visible on.
+}
+
+void fragment() {
+    vec4 tex_color = texture(TEXTURE, UV);
+
+    float color_diff = distance(tex_color.rgb, replace.rgb);
+
+    if (color_diff < 0.03) {
+		COLOR = tex_color * intensity;
+	} else
+	{
+		COLOR = tex_color;
+	}
+}