add new snow shader

docs/museums/daynight/scenes/grass_test/grass.tres

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+[gd_resource type="ShaderMaterial" format=3 uid="uid://cudoptcrtgl7u"]
+
+[ext_resource type="Shader" uid="uid://cs0xl7pc6e26h" path="res://docs/museums/daynight/scenes/grain_test/tree_leaves.gdshader" id="1_528a5"]
+[ext_resource type="Texture2D" uid="uid://ckm50mv8ejlki" path="res://docs/museums/daynight/scenes/grass_test/grass_round.png" id="2_4d6mx"]
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_528a5")
+shader_parameter/billboard_enabled = true
+shader_parameter/wind_enabled = true
+shader_parameter/base_color = Color(0.3882353, 0.52156866, 0.20784314, 1)
+shader_parameter/alpha_texture = ExtResource("2_4d6mx")
+shader_parameter/leaves_scale = 0.5
+shader_parameter/rotation_degrees = 180.0
+shader_parameter/texture_offset = Vector2(0, 0)
+shader_parameter/opacity = 1.0
+shader_parameter/height_min = 0.0
+shader_parameter/height_max = 5.0
+shader_parameter/shadow_intensity = 0.5
+shader_parameter/highlight_intensity = 0.0
+shader_parameter/light_steps = 10.0
+shader_parameter/random_mix = 0.010000000475
+shader_parameter/cast_shadow_strength = 0.6

docs/museums/daynight/scenes/grass_test/grass3.tres

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+[gd_resource type="ShaderMaterial" format=3 uid="uid://bjrb33qwp1p43"]
+
+[ext_resource type="Shader" uid="uid://cs0xl7pc6e26h" path="res://docs/museums/daynight/scenes/grain_test/tree_leaves.gdshader" id="1_fqby2"]
+[ext_resource type="Texture2D" uid="uid://cse6q7vqf14xo" path="res://docs/museums/daynight/scenes/grass_test/leaf_test2.png" id="2_0epvy"]
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_fqby2")
+shader_parameter/billboard_enabled = true
+shader_parameter/wind_enabled = false
+shader_parameter/base_color = Color(0.103467666, 0.34917185, 0.14285779, 1)
+shader_parameter/alpha_texture = ExtResource("2_0epvy")
+shader_parameter/leaves_scale = 0.92
+shader_parameter/rotation_degrees = 0.0
+shader_parameter/texture_offset = Vector2(0, 0)
+shader_parameter/opacity = 1.0
+shader_parameter/height_min = 0.0
+shader_parameter/height_max = 1.5
+shader_parameter/shadow_intensity = 0.70000003325
+shader_parameter/highlight_intensity = 0.02000000095
+shader_parameter/light_steps = 10.0
+shader_parameter/random_mix = 0.138000006555
+shader_parameter/cast_shadow_strength = 0.6

docs/museums/daynight/scenes/grass_test/grass4.tres

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+[gd_resource type="ShaderMaterial" format=3 uid="uid://0x17mj2v807r"]
+
+[ext_resource type="Shader" uid="uid://cs0xl7pc6e26h" path="res://docs/museums/daynight/scenes/grain_test/tree_leaves.gdshader" id="1_qx1eq"]
+[ext_resource type="Texture2D" uid="uid://ckm50mv8ejlki" path="res://docs/museums/daynight/scenes/grass_test/grass_round.png" id="2_wl0p2"]
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_qx1eq")
+shader_parameter/billboard_enabled = true
+shader_parameter/wind_enabled = false
+shader_parameter/base_color = Color(0.14700681, 0.45590013, 0.22758594, 1)
+shader_parameter/alpha_texture = ExtResource("2_wl0p2")
+shader_parameter/leaves_scale = 0.46
+shader_parameter/rotation_degrees = 180.0
+shader_parameter/texture_offset = Vector2(0, 0.155)
+shader_parameter/opacity = 1.0
+shader_parameter/height_min = 0.0
+shader_parameter/height_max = 5.0
+shader_parameter/shadow_intensity = 0.5
+shader_parameter/highlight_intensity = 0.0
+shader_parameter/light_steps = 10.0
+shader_parameter/random_mix = 0.010000000475
+shader_parameter/cast_shadow_strength = 0.6

docs/museums/daynight/scenes/grass_test/grass_round.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ckm50mv8ejlki"
+path.s3tc="res://.godot/imported/grass_round.png-30ec44f830141339c1c11072611fbc50.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://docs/museums/daynight/scenes/grass_test/grass_round.png"
+dest_files=["res://.godot/imported/grass_round.png-30ec44f830141339c1c11072611fbc50.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+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=true
+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=0

docs/museums/daynight/scenes/grass_test/leaf_test2.png.import

@@ -0,0 +1,41 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cse6q7vqf14xo"
+path.s3tc="res://.godot/imported/leaf_test2.png-686716ab2f0a096c8cf30e27b69fd02b.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://docs/museums/daynight/scenes/grass_test/leaf_test2.png"
+dest_files=["res://.godot/imported/leaf_test2.png-686716ab2f0a096c8cf30e27b69fd02b.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+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=true
+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=0