update

shaders/009_fresnel/fresnel.gdshader

@@ -0,0 +1,22 @@
+shader_type spatial;
+
+uniform vec3 base_color : source_color = vec3(0.173, 0.731, 0.541);
+uniform vec3 fresnel_color : source_color = vec3(0.887, 0, 1.0);
+uniform float fresnel_strength = 2.0;
+uniform float fresnel_amount = 1.0;
+
+float fresnel(vec3 normal, vec3 view) {
+	return pow((1.0 - clamp(dot(normal, view), 0.0, 1.0)), fresnel_amount);
+}
+
+void vertex() {
+	//VERTEX.y += 0.5 + sin(VERTEX.x * 10.0 + TIME * 20.0) * 0.3;
+}
+
+void fragment() {
+	float fresnel_value = fresnel(NORMAL, VIEW) * fresnel_strength;
+	vec3 fresnel = fresnel_value * fresnel_color;
+	
+	ALBEDO = base_color + fresnel;
+	ROUGHNESS = 0.05;
+}

shaders/009_fresnel/fresnel.tscn

@@ -0,0 +1,19 @@
+[gd_scene load_steps=4 format=3 uid="uid://bcsb32y37da3f"]
+
+[ext_resource type="Shader" path="res://shaders/009_fresnel/fresnel.gdshader" id="1_dvfmg"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_t4a8f"]
+render_priority = 0
+shader = ExtResource("1_dvfmg")
+shader_parameter/base_color = Color(0.173, 0.731, 0.541, 1)
+shader_parameter/fresnel_color = Color(0.887, 0, 1, 1)
+shader_parameter/fresnel_strength = 3.0
+shader_parameter/fresnel_amount = 3.6
+
+[sub_resource type="SphereMesh" id="SphereMesh_pr1ms"]
+material = SubResource("ShaderMaterial_t4a8f")
+
+[node name="Fresnel" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_pr1ms")