Moved shaders

client/world/grass/grass_material.tres

@@ -0,0 +1,11 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://bdsblfaxbipaa"]
+
+[ext_resource type="Shader" path="res://world/grass/grass_shader.gdshader" id="1_7qi6v"]
+
+[resource]
+render_priority = 0
+shader = ExtResource("1_7qi6v")
+shader_parameter/color_bottom = Color(0.0156863, 0.654902, 0.501961, 1)
+shader_parameter/color_top = Color(0.592157, 0.917647, 0.368627, 1)
+shader_parameter/wind = Vector3(0.1, 0, 0.1)
+shader_parameter/wind_speed = Vector3(1, 0, 1)

client/world/grass/grass_shader.gdshader

@@ -0,0 +1,28 @@
+shader_type spatial;
+render_mode shadows_disabled, cull_disabled;
+
+uniform vec3 color_bottom : source_color;
+uniform vec3 color_top : source_color;
+uniform vec3 wind = vec3(0.1, 0.0, 0.1);
+uniform vec3 wind_speed = vec3(1.0, 0.0, 1.0);
+
+void vertex() {
+	float distance_to_ground = 1.0 - UV.y;
+
+	vec4 sway = vec4(
+		sin(NODE_POSITION_WORLD.x + TIME * wind_speed.x) * distance_to_ground * wind.x,
+		0.0,
+		cos(NODE_POSITION_WORLD.z + TIME * wind_speed.z) * distance_to_ground * wind.z,
+		1.0
+	);
+
+	VERTEX += (sway * MODEL_MATRIX).xyz;
+}
+
+void fragment() {
+	ALBEDO = mix(color_top, color_bottom, UV.y);
+	
+	if (!FRONT_FACING) {
+		NORMAL = -NORMAL;
+	}
+}