Update #18 - Final release, added PBR shaders

sources/resources/assets/eagler/glsl/deferred/post_lens_streaks.fsh

@@ -0,0 +1,34 @@
+#line 2
+
+/*
+ * Copyright (c) 2023 LAX1DUDE. All Rights Reserved.
+ * 
+ * WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES
+ * NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED
+ * TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE
+ * SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR.
+ * 
+ * NOT FOR COMMERCIAL OR MALICIOUS USE
+ * 
+ * (please read the 'LICENSE' file this repo's root directory for more info) 
+ * 
+ */
+
+precision lowp int;
+precision mediump float;
+precision mediump sampler2D;
+
+layout(location = 0) out vec4 output4f;
+
+in vec2 v_texcoord2f;
+in float v_occlusion1f;
+
+uniform sampler2D u_flareTexture;
+
+uniform vec3 u_flareColor3f;
+
+void main() {
+	vec3 color = vec3(texture(u_flareTexture, v_texcoord2f).r);
+	color = length(u_flareColor3f * color) * vec3(0.0, 0.05, 0.3) + u_flareColor3f * color * color * color;
+	output4f = vec4(color * v_occlusion1f, 0.0);
+}