some small grass and shader test

.editorconfig

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+root = true
+
+[*]
+charset = utf-8

.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

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+# Godot 4+ specific ignores
+.godot/
+/android/

grass/High/High Grass.fbx.import

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+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bvq7n1s5iasky"
+path="res://.godot/imported/High Grass.fbx-3c8a6fd67d562bd1df777a9008a5f9a8.scn"
+
+[deps]
+
+source_file="res://grass/High/High Grass.fbx"
+dest_files=["res://.godot/imported/High Grass.fbx-3c8a6fd67d562bd1df777a9008a5f9a8.scn"]
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+[params]
+
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+nodes/root_scale=1.0
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+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=true
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+materials/extract=0
+materials/extract_format=0
+materials/extract_path=""
+_subresources={}
+fbx/importer=0
+fbx/allow_geometry_helper_nodes=false
+fbx/embedded_image_handling=1
+fbx/naming_version=2

grass/High/High Grass.obj.import

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+[remap]
+
+importer="wavefront_obj"
+importer_version=1
+type="Mesh"
+uid="uid://3vena5emwf0c"
+path="res://.godot/imported/High Grass.obj-89e95bb964e3b3822f3d741785de1654.mesh"
+
+[deps]
+
+files=["res://.godot/imported/High Grass.obj-89e95bb964e3b3822f3d741785de1654.mesh"]
+
+source_file="res://grass/High/High Grass.obj"
+dest_files=["res://.godot/imported/High Grass.obj-89e95bb964e3b3822f3d741785de1654.mesh", "res://.godot/imported/High Grass.obj-89e95bb964e3b3822f3d741785de1654.mesh"]
+
+[params]
+
+generate_tangents=true
+generate_lods=true
+generate_shadow_mesh=true
+generate_lightmap_uv2=false
+generate_lightmap_uv2_texel_size=0.2
+scale_mesh=Vector3(1, 1, 1)
+offset_mesh=Vector3(0, 0, 0)
+force_disable_mesh_compression=false

grass/High/High quality.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b2067p8erljsx"
+path="res://.godot/imported/High quality.png-f2cbe3b2baa7c6630a6e8ab7aaec3266.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://grass/High/High quality.png"
+dest_files=["res://.godot/imported/High quality.png-f2cbe3b2baa7c6630a6e8ab7aaec3266.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
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+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

grass/Low/Low Grass.fbx.import

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+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bkesb12sqs1i0"
+path="res://.godot/imported/Low Grass.fbx-ab3061aea7152cd1e7988c7f9608b34a.scn"
+
+[deps]
+
+source_file="res://grass/Low/Low Grass.fbx"
+dest_files=["res://.godot/imported/Low Grass.fbx-ab3061aea7152cd1e7988c7f9608b34a.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/root_script=null
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_name_suffixes=true
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=true
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+materials/extract=0
+materials/extract_format=0
+materials/extract_path=""
+_subresources={}
+fbx/importer=0
+fbx/allow_geometry_helper_nodes=false
+fbx/embedded_image_handling=1
+fbx/naming_version=2

grass/Low/Low Grass.obj.import

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+[remap]
+
+importer="wavefront_obj"
+importer_version=1
+type="Mesh"
+uid="uid://brk30gx7u0ikf"
+path="res://.godot/imported/Low Grass.obj-d0afb144fcbe555363ab892cce046a84.mesh"
+
+[deps]
+
+files=["res://.godot/imported/Low Grass.obj-d0afb144fcbe555363ab892cce046a84.mesh"]
+
+source_file="res://grass/Low/Low Grass.obj"
+dest_files=["res://.godot/imported/Low Grass.obj-d0afb144fcbe555363ab892cce046a84.mesh", "res://.godot/imported/Low Grass.obj-d0afb144fcbe555363ab892cce046a84.mesh"]
+
+[params]
+
+generate_tangents=true
+generate_lods=true
+generate_shadow_mesh=true
+generate_lightmap_uv2=false
+generate_lightmap_uv2_texel_size=0.2
+scale_mesh=Vector3(1, 1, 1)
+offset_mesh=Vector3(0, 0, 0)
+force_disable_mesh_compression=false

grass/Low/Low quality.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cnhth712dv3ia"
+path="res://.godot/imported/Low quality.png-843d16f764da2059ebbffc4e9ca4174c.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://grass/Low/Low quality.png"
+dest_files=["res://.godot/imported/Low quality.png-843d16f764da2059ebbffc4e9ca4174c.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

grass/Low/Stem.fbx.import

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+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://dm7po7cjvio0r"
+path="res://.godot/imported/Stem.fbx-64e2d4783dcc9e77c21f9ebc51092610.scn"
+
+[deps]
+
+source_file="res://grass/Low/Stem.fbx"
+dest_files=["res://.godot/imported/Stem.fbx-64e2d4783dcc9e77c21f9ebc51092610.scn"]
+
+[params]
+
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+nodes/root_name=""
+nodes/root_script=null
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_name_suffixes=true
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=true
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+materials/extract=0
+materials/extract_format=0
+materials/extract_path=""
+_subresources={}
+fbx/importer=0
+fbx/allow_geometry_helper_nodes=false
+fbx/embedded_image_handling=1
+fbx/naming_version=2

grass/Tex/Grass.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c72mplm41yd06"
+path="res://.godot/imported/Grass.png-31e96299899b34c09c06a37ac0cd98de.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://grass/Tex/Grass.png"
+dest_files=["res://.godot/imported/Grass.png-31e96299899b34c09c06a37ac0cd98de.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

grass/grass.gdshader

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+shader_type spatial;
+render_mode cull_disabled;
+
+uniform vec3 color: source_color;
+uniform vec3 shade: source_color;
+uniform sampler2D noise: source_color;
+uniform float noiseScale = 1.0;
+uniform float windSpeedScale = 1.0;
+uniform float windVertexOffsetScale = 1.0;
+
+varying vec3 worldPos;
+varying vec3 instance_origin;
+
+void vertex() {
+	worldPos = (MODEL_MATRIX * vec4(VERTEX, 1.0)).xyz;
+	instance_origin = MODELVIEW_MATRIX[3].xyz;
+	
+	vec2 timeOffset = vec2(TIME/windSpeedScale);
+	float noiseLevel = texture(noise, timeOffset + worldPos.xz/noiseScale).r;
+	float vertexWindOffset = noiseLevel * worldPos.y * windVertexOffsetScale;
+	VERTEX += vec3(1.0, 0.0, 1.0)*vertexWindOffset;
+    // billboarding
+    // MODELVIEW_MATRIX = VIEW_MATRIX * mat4(INV_VIEW_MATRIX[0],INV_VIEW_MATRIX[1],INV_VIEW_MATRIX[2],MODEL_MATRIX[3]);
+}
+
+void fragment() {
+	vec2 timeOffset = vec2(TIME/windSpeedScale);
+	float noiseLevel = texture(noise, timeOffset + worldPos.xz/noiseScale).r;
+	NORMAL = (VIEW_MATRIX * vec4(0.0, 1.0, 0.0, 0.0)).xyz;
+	ALBEDO = mix(color, shade, UV.y) * mix(color, shade, noiseLevel);
+	LIGHT_VERTEX = instance_origin;
+}
+
+ void light() {
+ 	float lambert = clamp(dot(NORMAL, LIGHT), 0.0, 1.0);
+ 	float halfLambert = pow(lambert*0.5 + 0.5, 5);
+    DIFFUSE_LIGHT += halfLambert * ATTENUATION * LIGHT_COLOR / PI;
+ }

grass/grass.gdshader.uid

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+uid://dkvxju1uruobh

grass/m_grass.tres

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+[gd_resource type="ShaderMaterial" load_steps=4 format=3 uid="uid://bpfgcchpiq8wr"]
+
+[ext_resource type="Shader" uid="uid://dkvxju1uruobh" path="res://grass/grass.gdshader" id="1_1atig"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_1atig"]
+domain_warp_amplitude = 110.655
+domain_warp_frequency = 0.045
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_wnfha"]
+noise = SubResource("FastNoiseLite_1atig")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_1atig")
+shader_parameter/color = Color(0, 0.7518667, 0, 1)
+shader_parameter/shade = Color(0, 0.54901963, 0.34901962, 1)
+shader_parameter/noise = SubResource("NoiseTexture2D_wnfha")
+shader_parameter/noiseScale = 78.52
+shader_parameter/windSpeedScale = 100.0
+shader_parameter/windVertexOffsetScale = 0.126

icon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/><g fill="#fff" transform="translate(12.322 12.322)scale(.101)"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042" transform="translate(12.322 12.322)scale(.101)"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></svg>

icon.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dujjo2df0xstu"
+path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.svg"
+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

m_test.tres

@@ -0,0 +1,13 @@
+[gd_resource type="ShaderMaterial" load_steps=4 format=3 uid="uid://cte0a7msxn4b5"]
+
+[ext_resource type="Shader" uid="uid://crgnrdun1t0oh" path="res://test.gdshader" id="1_vms17"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_vms17"]
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_fecht"]
+noise = SubResource("FastNoiseLite_vms17")
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_vms17")
+shader_parameter/textureMap = SubResource("NoiseTexture2D_fecht")

project.godot

@@ -0,0 +1,19 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="ShaderTests"
+config/features=PackedStringArray("4.5", "Forward Plus")
+config/icon="res://icon.svg"
+
+[dotnet]
+
+project/assembly_name="ShaderTests"

test.gdshader

@@ -0,0 +1,19 @@
+shader_type spatial;
+//render_mode vertex_lighting;
+
+uniform sampler2D textureMap : source_color;
+
+void vertex() {
+	// Called for every vertex the material is visible on.
+}
+
+void fragment() {
+	ALBEDO = texture(textureMap, UV).rgb;
+	//LIGHT_VERTEX = vec3(0.0);
+}
+
+ void light() {
+ 	float lambert = clamp(dot(NORMAL, LIGHT), 0.0, 1.0);
+ 	float halfLambert = pow(lambert*0.5 + 0.5, 5);
+    DIFFUSE_LIGHT += halfLambert * ATTENUATION * LIGHT_COLOR / PI;
+ }

test.gdshader.uid

@@ -0,0 +1 @@
+uid://crgnrdun1t0oh