built more assets and started playing with foliage painting

demo/data/assets.tres

@@ -0,0 +1,39 @@
+[gd_resource type="Terrain3DAssets" load_steps=9 format=3 uid="uid://dal3jhw6241qg"]
+
+[ext_resource type="Texture2D" uid="uid://br7bfxcxh60df" path="res://demo/assets/textures/rock030_alb_ht.png" id="1_v81ad"]
+[ext_resource type="Texture2D" uid="uid://cr72kjil43vgj" path="res://demo/assets/textures/rock030_nrm_rgh.png" id="2_72dup"]
+[ext_resource type="Texture2D" uid="uid://ddprscrpsofah" path="res://demo/assets/textures/ground037_alb_ht.png" id="3_g8f2m"]
+[ext_resource type="Texture2D" uid="uid://c1ots7w6i0i1q" path="res://demo/assets/textures/ground037_nrm_rgh.png" id="4_aw5y1"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_aubfq"]
+transparency = 4
+cull_mode = 2
+vertex_color_use_as_albedo = true
+backlight_enabled = true
+backlight = Color(0.5, 0.5, 0.5, 1)
+distance_fade_mode = 1
+distance_fade_min_distance = 960.0
+distance_fade_max_distance = 480.0
+
+[sub_resource type="Terrain3DMeshAsset" id="Terrain3DMeshAsset_dw1mh"]
+height_offset = 0.5
+density = 10.0
+material_override = SubResource("StandardMaterial3D_aubfq")
+generated_type = 1
+
+[sub_resource type="Terrain3DTextureAsset" id="Terrain3DTextureAsset_mup2f"]
+name = "Rock"
+albedo_color = Color(1.596, 1.56, 1.5, 1)
+albedo_texture = ExtResource("1_v81ad")
+normal_texture = ExtResource("2_72dup")
+
+[sub_resource type="Terrain3DTextureAsset" id="Terrain3DTextureAsset_od0q7"]
+name = "Grass"
+id = 1
+albedo_color = Color(0.67451, 0.74902, 0.686275, 1)
+albedo_texture = ExtResource("3_g8f2m")
+normal_texture = ExtResource("4_aw5y1")
+
+[resource]
+mesh_list = Array[Terrain3DMeshAsset]([SubResource("Terrain3DMeshAsset_dw1mh")])
+texture_list = Array[Terrain3DTextureAsset]([SubResource("Terrain3DTextureAsset_mup2f"), SubResource("Terrain3DTextureAsset_od0q7")])