first examples

shaders/000_playground/playground.gd

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+@tool
+extends Node3D
+
+@export var my_variable: float = 1.0:
+	set(value):
+		my_variable = value
+		shader_material.set_shader_parameter("my_variable", value)
+
+@onready var shader_material = $MeshInstance3D.mesh.material
+
+func _ready() -> void:
+	print(shader_material)
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass

shaders/000_playground/playground.gdshader

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+shader_type spatial;
+
+uniform float my_variable = 0.0;
+
+void vertex() {
+	VERTEX.y += my_variable;
+	// Called for every vertex the material is visible on.
+}
+
+void fragment() {
+	ALBEDO = NORMAL;
+	// Called for every pixel the material is visible on.
+}

shaders/000_playground/playground.tscn

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+[gd_scene load_steps=5 format=3 uid="uid://c0c1k04qmog56"]
+
+[ext_resource type="Shader" path="res://shaders/000_playground/playground.gdshader" id="1_0fhw0"]
+[ext_resource type="Script" path="res://shaders/000_playground/playground.gd" id="1_08keh"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_h8cto"]
+render_priority = 0
+shader = ExtResource("1_0fhw0")
+shader_parameter/my_variable = 1.0
+
+[sub_resource type="SphereMesh" id="SphereMesh_6preo"]
+material = SubResource("ShaderMaterial_h8cto")
+
+[node name="Playground" type="Node3D"]
+script = ExtResource("1_08keh")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_6preo")

shaders/001_change_color/change_color.gdshader

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+shader_type spatial;
+
+void fragment() {
+	ALBEDO = vec3(0.1, 0.2, 0.6);
+}

shaders/001_change_color/change_color.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://o76dbkg8478j"]
+
+[ext_resource type="Shader" path="res://shaders/001_change_color/change_color.gdshader" id="1_d0kbx"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_yrrhw"]
+render_priority = 0
+shader = ExtResource("1_d0kbx")
+
+[sub_resource type="SphereMesh" id="SphereMesh_16ni7"]
+material = SubResource("ShaderMaterial_yrrhw")
+
+[node name="ChangeColor" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_16ni7")

shaders/002_change_position/change_position.gdshader

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+shader_type spatial;
+
+void vertex() {
+	VERTEX.y += 0.5;
+}

shaders/002_change_position/change_position.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://bm381ddsm6nv3"]
+
+[ext_resource type="Shader" path="res://shaders/002_change_position/change_position.gdshader" id="1_milct"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_q2e1w"]
+render_priority = 0
+shader = ExtResource("1_milct")
+
+[sub_resource type="SphereMesh" id="SphereMesh_f3uhw"]
+material = SubResource("ShaderMaterial_q2e1w")
+
+[node name="ChangePosition" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_f3uhw")

shaders/003_color_and_position/color_and_position.gdshader

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+shader_type spatial;
+
+void vertex() {
+	VERTEX.y += 0.5;
+}
+
+void fragment() {
+	ALBEDO = vec3(0.1, 0.2, 0.6);
+}

shaders/003_color_and_position/color_and_position.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://b2nxlaom04udy"]
+
+[ext_resource type="Shader" path="res://shaders/003_color_and_position/color_and_position.gdshader" id="1_igsbe"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_r8oyo"]
+render_priority = 0
+shader = ExtResource("1_igsbe")
+
+[sub_resource type="SphereMesh" id="SphereMesh_5deb6"]
+material = SubResource("ShaderMaterial_r8oyo")
+
+[node name="ColorAndPosition" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_5deb6")

shaders/004_adding_time/adding_time.gdshader

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+shader_type spatial;
+
+void vertex() {
+	VERTEX.y += 0.5 + sin(TIME * 3.0) * 0.35;
+}
+
+void fragment() {
+	ALBEDO = vec3(0.1, 0.2, 0.6);
+}

shaders/004_adding_time/adding_time.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://dcrg7uyqekgl7"]
+
+[ext_resource type="Shader" path="res://shaders/004_adding_time/adding_time.gdshader" id="1_ejoc4"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_5gyar"]
+render_priority = 0
+shader = ExtResource("1_ejoc4")
+
+[sub_resource type="SphereMesh" id="SphereMesh_xljse"]
+material = SubResource("ShaderMaterial_5gyar")
+
+[node name="AddingTime" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_xljse")

shaders/005_displacing_vertices/displacing_vertices.gdshader

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+shader_type spatial;
+
+uniform float waves = 3.0;
+
+void vertex() {
+	// Changing the waves parameter changes how warped the sphere is
+	VERTEX.y += 0.5 + sin(VERTEX.x * waves + TIME * 4.0) * 0.35;
+}
+
+void fragment() {
+	ALBEDO = vec3(0.1, 0.2, 0.6);
+}

shaders/005_displacing_vertices/displacing_vertices.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://du06a3dwu2yy6"]
+
+[ext_resource type="Shader" path="res://shaders/005_displacing_vertices/displacing_vertices.gdshader" id="1_7mier"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_c46ul"]
+render_priority = 0
+shader = ExtResource("1_7mier")
+shader_parameter/waves = 3.0
+
+[sub_resource type="SphereMesh" id="SphereMesh_l7vfg"]
+material = SubResource("ShaderMaterial_c46ul")
+
+[node name="DisplacingVertices" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_l7vfg")

shaders/006_variables/variables.gdshader

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+shader_type spatial;
+
+/**
+ * This is a documentation comment.
+ * These lines will appear in the inspector when hovering over the shader parameters
+ * You can use [b]BBCode[/b] [i]formatting[/i] in the comment.
+ * The Offset From Ground shifts the model up and down.
+ */
+uniform float offset_from_ground = 0.5;
+
+/**
+ * This parameter influcenes the amount of waves
+ */
+uniform float waves = 8.0;
+uniform float speed = 2.0;
+uniform float wave_height = 0.5;
+
+void vertex() {
+	// Changing the waves parameter changes how warped the sphere is
+	VERTEX.y += offset_from_ground + sin(VERTEX.x * waves + TIME * speed) * wave_height;
+}
+
+void fragment() {
+	ALBEDO = vec3(0.1, 0.2, 0.6);
+}

shaders/006_variables/variables.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://5clduk3kph4t"]
+
+[ext_resource type="Shader" path="res://shaders/006_variables/variables.gdshader" id="1_gh1k7"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_u3tcf"]
+render_priority = 0
+shader = ExtResource("1_gh1k7")
+shader_parameter/offset_from_ground = 0.5
+shader_parameter/waves = 8.0
+shader_parameter/speed = 2.0
+shader_parameter/wave_height = 0.5
+
+[sub_resource type="SphereMesh" id="SphereMesh_sctja"]
+material = SubResource("ShaderMaterial_u3tcf")
+
+[node name="Variables" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_sctja")

shaders/007_reflections/reflections.gdshader

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+shader_type spatial;
+
+uniform float offset_from_ground = 0.5;
+uniform float waves = 8.0;
+uniform float speed = 2.0;
+uniform float wave_height = 0.5;
+
+void vertex() {
+	// Changing the waves parameter changes how warped the sphere is
+	VERTEX.y += offset_from_ground + sin(VERTEX.x * waves + TIME * speed) * wave_height;
+}
+
+void fragment() {
+	ALBEDO = vec3(0.8, 0.5, 0.0);
+	METALLIC = 1.0;
+	ROUGHNESS = 0.1;
+}

shaders/007_reflections/reflections.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://csh1kbx37l5el"]
+
+[ext_resource type="Shader" path="res://shaders/007_reflections/reflections.gdshader" id="1_jqhug"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_vldik"]
+render_priority = 0
+shader = ExtResource("1_jqhug")
+shader_parameter/offset_from_ground = 0.5
+shader_parameter/waves = 8.0
+shader_parameter/speed = 2.0
+shader_parameter/wave_height = 0.5
+
+[sub_resource type="SphereMesh" id="SphereMesh_ww17y"]
+material = SubResource("ShaderMaterial_vldik")
+
+[node name="Reflections" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_ww17y")

shaders/008_normals/normals.gdshader

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+shader_type spatial;
+
+// To send data from the vertex to the fragment (or light) processor function,
+// varyings are used. They are set for every primitive vertex in the vertex processor,
+// and the value is interpolated for every pixel in the fragment processor.
+varying vec3 color;
+
+void vertex() {
+	color = NORMAL;
+}
+
+void fragment() {
+	ALBEDO = color;
+}

shaders/008_normals/normals.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://bjoxcmy6sy8lb"]
+
+[ext_resource type="Shader" path="res://shaders/008_normals/normals.gdshader" id="1_bpfbn"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_ktxik"]
+render_priority = 0
+shader = ExtResource("1_bpfbn")
+
+[sub_resource type="SphereMesh" id="SphereMesh_288vy"]
+material = SubResource("ShaderMaterial_ktxik")
+
+[node name="Normals" type="Node3D"]
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("SphereMesh_288vy")