My first 3D game with Godot 4.4

level/sky.gdshader

@@ -0,0 +1,10 @@
+shader_type sky;
+
+uniform vec3 top_color : source_color = vec3(1.0);
+uniform vec3 bottom_color : source_color = vec3(1.0);
+uniform sampler2D gradient_curve;
+
+void sky() {
+	// gradient
+	COLOR = mix(top_color.rgb, bottom_color.rgb, texture(gradient_curve, vec2(SKY_COORDS.y, 0.0)).x);
+}