more to LFS

addons/silicon.vfx.lens_flare/lens_dirt_default.jpeg.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path.s3tc="res://.import/lens_dirt_default.jpeg-3f287122b93342331cfc65a44f24cd71.s3tc.stex"
+path.etc2="res://.import/lens_dirt_default.jpeg-3f287122b93342331cfc65a44f24cd71.etc2.stex"
+metadata={
+"imported_formats": [ "s3tc", "etc2" ],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://addons/silicon.vfx.lens_flare/lens_dirt_default.jpeg"
+dest_files=[ "res://.import/lens_dirt_default.jpeg-3f287122b93342331cfc65a44f24cd71.s3tc.stex", "res://.import/lens_dirt_default.jpeg-3f287122b93342331cfc65a44f24cd71.etc2.stex" ]
+
+[params]
+
+compress/mode=2
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=true
+flags/filter=true
+flags/mipmaps=true
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=false
+svg/scale=1.0

addons/silicon.vfx.lens_flare/lens_flare.gd

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+tool
+extends Node
+
+## Exported variables
+var flare_strength := 1.0 setget set_flare_strength
+var flare_bias := 1.05 setget set_flare_bias
+var flare_blur := 2.0 setget set_flare_blur;
+
+var distortion_quality := 0 setget set_distortion_quality;
+var distortion := 2.0 setget set_flare_distortion
+
+var ghost_count := 7 setget set_ghost_count
+var ghost_spacing := 0.3 setget set_ghost_spacing
+var halo_width := 0.25 setget set_halo_width
+
+var streak_strength := 0.5 setget set_streak_strength
+var lens_dirt = preload("lens_dirt_default.jpeg") setget set_lens_dirt
+## Exported variables
+
+var screen := MeshInstance.new()
+var material := preload("lens_flare_shader.tres").duplicate()
+
+
+func _get_property_list() -> Array:
+	var properties := [
+		{name="LensFlare", type=TYPE_NIL, usage=PROPERTY_USAGE_CATEGORY},
+		{name="flare_strength", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,16"},
+		{name="flare_bias", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,16"},
+		{name="flare_blur", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,10"},
+		{name="distortion_quality", type=TYPE_INT, hint=PROPERTY_HINT_ENUM, hint_string="Low,Medium,High"},
+		{name="distortion", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,50"},
+		{name="ghost_count", type=TYPE_INT, hint=PROPERTY_HINT_RANGE, hint_string="0,20"},
+		{name="ghost_spacing", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,1"},
+		{name="halo_width", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,1"},
+		{name="streak_strength", type=TYPE_REAL, hint=PROPERTY_HINT_RANGE, hint_string="0,1"},
+		{name="lens_dirt", type=TYPE_OBJECT, hint=PROPERTY_HINT_RESOURCE_TYPE, hint_string="Texture"},
+	]
+	
+	return properties
+
+
+func _init() -> void:
+	screen.mesh = CubeMesh.new()
+	screen.scale = Vector3(1,1,1) * pow(2.0,30);
+	add_child(screen)
+	screen.material_override = material
+
+
+func _enter_tree() -> void:
+	set_flare_strength(flare_strength)
+	set_flare_bias(flare_bias)
+	set_flare_distortion(distortion)
+	set_distortion_quality(distortion_quality)
+	set_ghost_count(ghost_count)
+	set_ghost_spacing(ghost_spacing)
+	set_halo_width(halo_width)
+	set_streak_strength(streak_strength)
+	set_flare_blur(flare_blur)
+	set_lens_dirt(lens_dirt)
+
+
+func set_flare_strength(value: float) -> void:
+	flare_strength = value
+	material.set_shader_param("bloom_scale", value)
+
+
+func set_flare_bias(value: float) -> void:
+	flare_bias = value
+	material.set_shader_param("bloom_bias", value)
+
+
+func set_flare_distortion(value: float) -> void:
+	distortion = value
+	material.set_shader_param("distort", value)
+
+
+func set_distortion_quality(value: int) -> void:
+	distortion_quality = value
+	material.set_shader_param("distortion_quality", value)
+
+
+func set_ghost_count(value: int) -> void:
+	ghost_count = value
+	material.set_shader_param("ghosts", value)
+
+
+func set_ghost_spacing(value: float) -> void:
+	ghost_spacing = value
+	material.set_shader_param("ghost_dispersal", value)
+
+
+func set_halo_width(value: float) -> void:
+	halo_width = value
+	material.set_shader_param("halo_width", value)
+
+
+func set_streak_strength(value: float) -> void:
+	streak_strength = value
+	material.set_shader_param("streak_strength", value)
+
+
+func set_flare_blur(value: float) -> void:
+	flare_blur = value
+	material.set_shader_param("lod", value)
+
+
+func set_lens_dirt(value: Texture) -> void:
+	lens_dirt = value
+	material.set_shader_param("lens_dirt", value)

addons/silicon.vfx.lens_flare/lens_flare_icon.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/lens_flare_icon.png-3a2bc3c4af36c704bff6a81775825ad6.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/silicon.vfx.lens_flare/lens_flare_icon.png"
+dest_files=[ "res://.import/lens_flare_icon.png-3a2bc3c4af36c704bff6a81775825ad6.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

addons/silicon.vfx.lens_flare/lens_flare_shader.tres

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+[gd_resource type="ShaderMaterial" load_steps=7 format=2]
+
+[sub_resource type="Shader" id=1]
+code = "shader_type spatial;
+render_mode skip_vertex_transform, unshaded, blend_add;
+
+uniform float lod = 0.0;
+uniform float stretch_to_aspect = 0.5;
+
+uniform int ghosts = 4;
+uniform float ghost_dispersal = 0.5;
+uniform float halo_width = 0.25;
+uniform float distort = 0.25;
+
+uniform float bloom_scale = 10.0;
+uniform float bloom_bias = 0.95;
+
+uniform float streak_strength = 1.0;
+
+uniform int distortion_quality : hint_range(0, 2);
+
+uniform sampler2D lens_color;
+uniform sampler2D lens_dirt;
+uniform sampler2D starburst;
+
+void vertex() {
+	POSITION = vec4(VERTEX, 1.0);
+	POSITION.z = -1.0;
+}
+
+float weight(vec2 pos) {
+	float w = length(vec2(0.5) - pos) / length(vec2(0.5));
+	return pow(1.0 - w, 5.0);
+}
+
+vec3 bloomtex(sampler2D tex, vec2 texcoord) {
+	return max(vec3(0.0), textureLod(tex, texcoord, lod).rgb - bloom_bias) * bloom_scale;
+}
+
+vec3 textureDistorted(sampler2D tex, vec2 texcoord, vec2 direction, float distortion) {
+	vec3 color = vec3(0);
+	float divisor = 1.0;
+	color.r += bloomtex(tex, texcoord - direction * distortion).r;
+	color.g += bloomtex(tex, texcoord).g;
+	color.b += bloomtex(tex, texcoord + direction * distortion).b;
+	
+	if(distortion_quality == 1) {
+		color.rg += bloomtex(tex, texcoord - direction * distortion * 0.5).rg * vec2(1.0, 0.5);
+		color.gb += bloomtex(tex, texcoord + direction * distortion * 0.5).gb * vec2(0.5, 1.0);
+		divisor = 2.0;
+	} else if(distortion_quality == 2) {
+		color.rg += bloomtex(tex, texcoord - direction * distortion * 0.667).rg * vec2(1.0, 0.333);
+		color.rg += bloomtex(tex, texcoord - direction * distortion * 0.333).rg * vec2(1.0, 0.667);
+		color.gb += bloomtex(tex, texcoord + direction * distortion * 0.333).gb * vec2(0.667, 1.0);
+		color.gb += bloomtex(tex, texcoord + direction * distortion * 0.667).gb * vec2(0.333, 1.0);
+		divisor = 3.0;
+	}
+	
+	return color / divisor;
+}
+
+void fragment() {
+	vec2 texcoord = 1.0 - SCREEN_UV;
+	vec2 ghostVec = (vec2(0.5) - texcoord) * ghost_dispersal;
+	
+	float pixelSizeX = 1.0 / float(textureSize(SCREEN_TEXTURE, 0).x);
+	
+	float distortion = pixelSizeX * distort;
+	vec2 direction = normalize(ghostVec);
+	
+	// Ghosts
+	vec3 result = vec3(0.0);
+	for(int i = 0; i < ghosts; ++i) {
+		vec2 offset = fract(texcoord + ghostVec * float(i));
+		result += textureDistorted(SCREEN_TEXTURE, offset, direction, distortion * weight(offset)) * weight(offset);
+	}
+	result *= texture(lens_color, vec2(length(vec2(0.5) - texcoord) / length(vec2(0.5)), 0)).rgb;
+	
+	// Halo
+	vec2 aspect = vec2(1.0, mix(1.0, VIEWPORT_SIZE.x / VIEWPORT_SIZE.y, stretch_to_aspect));
+	vec2 haloVec = normalize(ghostVec / aspect) * aspect * halo_width;
+	result += textureDistorted(SCREEN_TEXTURE, texcoord + haloVec, direction, distortion) * weight(fract(texcoord + haloVec));
+	
+	// Starburst
+	vec2 centerVec = SCREEN_UV - vec2(0.5);
+	float d = length(centerVec);
+	float radial = acos(centerVec.x / d);
+	
+	float starOffset = dot(CAMERA_MATRIX[2].xyz, vec3(1.0)) * 10.0;
+	float star = 
+			texture(starburst, vec2(radial + starOffset)).r
+		  * texture(starburst, vec2(radial + starOffset * 0.5)).r;
+	star = clamp(star + (1.0 - smoothstep(0.0, 0.3, d)), 0.0, 1.0);
+	result *= mix(0.5, star, streak_strength);
+	
+	ALBEDO = result * mix(texture(lens_dirt, texcoord).rgb, vec3(0.5), 0.4);
+	
+	//uncomment to debug bright point extraction
+	//ALBEDO = bloomtex(SCREEN_TEXTURE, SCREEN_UV).rgb;
+}"
+
+[sub_resource type="Gradient" id=2]
+colors = PoolColorArray( 0.774481, 0.756324, 0.309654, 1, 0.890625, 0.125, 1, 1 )
+
+[sub_resource type="GradientTexture" id=3]
+gradient = SubResource( 2 )
+
+[sub_resource type="StreamTexture" id=4]
+flags = 7
+
+[sub_resource type="OpenSimplexNoise" id=5]
+period = 2.0
+
+[sub_resource type="NoiseTexture" id=6]
+height = 1
+noise = SubResource( 5 )
+
+[resource]
+shader = SubResource( 1 )
+shader_param/lod = 0.0
+shader_param/stretch_to_aspect = 0.0
+shader_param/ghosts = 7
+shader_param/ghost_dispersal = 1.19
+shader_param/halo_width = 0.692
+shader_param/distort = 6.57
+shader_param/bloom_scale = 0.294
+shader_param/bloom_bias = 7.295
+shader_param/streak_strength = 1.0
+shader_param/distortion_quality = null
+shader_param/lens_color = SubResource( 3 )
+shader_param/lens_dirt = SubResource( 4 )
+shader_param/starburst = SubResource( 6 )

addons/silicon.vfx.lens_flare/plugin.cfg

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+[plugin]
+
+name="LensFlare Effect"
+description="A post-processing effect that generates the lens flare effect that happen in real world cameras. It may not be physically accurate, but it can suffice for most scenarios."
+author="SIsilicon"
+version="1.3"
+script="plugin.gd"

addons/silicon.vfx.lens_flare/plugin.gd

@@ -0,0 +1,14 @@
+tool
+extends EditorPlugin
+
+
+func _enter_tree() -> void:
+	add_custom_type(
+		"LensFlare", "Node",
+		preload("lens_flare.gd"),
+		preload("lens_flare_icon.png")
+	)
+
+
+func _exit_tree() -> void:
+	remove_custom_type("LensFlare")

assets/Water.tscn

@@ -9,19 +9,17 @@
 [sub_resource type="SpatialMaterial" id=1]
 flags_transparent = true
 params_cull_mode = 2
-albedo_color = Color( 0.290196, 0.568627, 0.529412, 0.792157 )
+albedo_color = Color( 0.290196, 0.568627, 0.529412, 1 )
 albedo_texture = ExtResource( 3 )
 roughness = 0.31
 normal_enabled = true
 normal_scale = 1.0
 normal_texture = ExtResource( 2 )
+refraction_enabled = true
+refraction_scale = 0.05
+refraction_texture_channel = 0
 uv1_scale = Vector3( 1000, 1000, 1000 )
-uv1_offset = Vector3( 0.471964, 0.471964, 0.471964 )
-proximity_fade_enable = true
-proximity_fade_distance = 2.0
-distance_fade_mode = 1
-distance_fade_min_distance = 0.0
-distance_fade_max_distance = 20.0
+uv1_offset = Vector3( 1.9554, 1.9554, 1.9554 )
 
 [sub_resource type="PlaneMesh" id=2]
 material = SubResource( 1 )