first examples

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);
+}