Started adding interaction, worked a bit on cardboard shader

Player.gd

@@ -69,3 +69,11 @@ func _input(event):
 		camera.transform.basis = Basis() # reset rotation
 		camera.rotate_object_local(Vector3(0, 1, 0), rot_x) # first rotate in Y
 		camera.rotate_object_local(Vector3(1, 0, 0), rot_y) # then rotate in X
+		
+	if event.is_action_pressed("interact"):
+		var space_state = get_world_3d().direct_space_state
+		# use global coordinates, not local to node
+		print(camera.basis)
+		var query = PhysicsRayQueryParameters3D.create(camera.position, camera.position + camera.basis.z * 2.0)
+		var result = space_state.intersect_ray(query)
+		print(result)

cardboard_shader.tres

@@ -1,9 +1,13 @@
-[gd_resource type="VisualShader" load_steps=11 format=3 uid="uid://dwd2vgoqby6rd"]
+[gd_resource type="VisualShader" load_steps=13 format=3 uid="uid://dwd2vgoqby6rd"]
 
 [ext_resource type="Texture2D" uid="uid://cffsdo4cit4i1" path="res://kreb.png" id="1_mkqvf"]
 [ext_resource type="Texture2D" uid="uid://d0l1mjrgq6wrq" path="res://paper_tex/paper_0025_color_1k.jpg" id="2_1g1lb"]
 [ext_resource type="Texture2D" uid="uid://dke8hdaqyfnsn" path="res://paper_tex/paper_0025_normal_opengl_1k.png" id="3_qtx1j"]
 
+[sub_resource type="VisualShaderNodeVectorOp" id="VisualShaderNodeVectorOp_xrdx0"]
+default_input_values = [0, Vector3(0, 0, 0), 1, Vector3(2, 2, 2)]
+operator = 2
+
 [sub_resource type="VisualShaderNodeTexture" id="VisualShaderNodeTexture_o5oup"]
 expanded_output_ports = [0]
 texture = ExtResource("1_mkqvf")
@@ -13,6 +17,8 @@ texture_type = 1
 texture = ExtResource("2_1g1lb")
 
 [sub_resource type="VisualShaderNodeTexture" id="VisualShaderNodeTexture_kox8j"]
+output_port_for_preview = 1
+expanded_output_ports = [0]
 texture = ExtResource("3_qtx1j")
 texture_type = 2
 
@@ -29,13 +35,16 @@ op_type = 4
 [sub_resource type="VisualShaderNodeInput" id="VisualShaderNodeInput_6nghl"]
 input_name = "front_facing"
 
+[sub_resource type="VisualShaderNodeVectorOp" id="VisualShaderNodeVectorOp_mvcqe"]
+operator = 2
+
 [resource]
 code = "shader_type spatial;
 render_mode blend_mix, depth_draw_opaque, cull_disabled, diffuse_lambert, specular_schlick_ggx;
 
 uniform sampler2D tex_frg_2 : source_color;
-uniform sampler2D tex_frg_3;
 uniform sampler2D tex_frg_4 : hint_normal;
+uniform sampler2D tex_frg_3;
 
 
 
@@ -49,6 +58,20 @@ void fragment() {
 	float n_out2p4 = n_out2p0.a;
 
 
+// VectorOp:10
+	vec3 n_in10p1 = vec3(2.00000, 2.00000, 2.00000);
+	vec3 n_out10p0 = vec3(n_out2p0.xyz) * n_in10p1;
+
+
+// Texture2D:4
+	vec4 n_out4p0 = texture(tex_frg_4, UV);
+	float n_out4p1 = n_out4p0.r;
+
+
+// VectorOp:9
+	vec3 n_out9p0 = n_out10p0 * vec3(n_out4p1);
+
+
 // Texture2D:3
 	vec4 n_out3p0 = texture(tex_frg_3, UV);
 
@@ -59,11 +82,7 @@ void fragment() {
 
 	vec3 n_out7p0;
 // Switch:7
-	n_out7p0 = mix(n_out5p0, vec3(n_out2p0.xyz), float(n_out8p0));
-
-
-// Texture2D:4
-	vec4 n_out4p0 = texture(tex_frg_4, UV);
+	n_out7p0 = mix(n_out5p0, n_out9p0, float(n_out8p0));
 
 
 // VectorOp:6
@@ -73,12 +92,12 @@ void fragment() {
 // Output:0
 	ALBEDO = n_out7p0;
 	ALPHA = n_out2p4;
-	NORMAL = n_out6p0;
+	NORMAL_MAP = n_out6p0;
 
 
 }
 "
-graph_offset = Vector2(-111.967, -22.6899)
+graph_offset = Vector2(-400.806, 286.904)
 modes/cull = 2
 nodes/fragment/0/position = Vector2(800, 100)
 nodes/fragment/2/node = SubResource("VisualShaderNodeTexture_o5oup")
@@ -95,4 +114,8 @@ nodes/fragment/7/node = SubResource("VisualShaderNodeSwitch_fvm22")
 nodes/fragment/7/position = Vector2(540, 240)
 nodes/fragment/8/node = SubResource("VisualShaderNodeInput_6nghl")
 nodes/fragment/8/position = Vector2(200, 120)
-nodes/fragment/connections = PackedInt32Array(2, 4, 5, 0, 3, 0, 5, 1, 4, 0, 6, 1, 2, 4, 6, 0, 2, 0, 7, 1, 5, 0, 7, 2, 7, 0, 0, 0, 8, 0, 7, 0, 2, 4, 0, 1, 6, 0, 0, 8)
+nodes/fragment/9/node = SubResource("VisualShaderNodeVectorOp_mvcqe")
+nodes/fragment/9/position = Vector2(480, 460)
+nodes/fragment/10/node = SubResource("VisualShaderNodeVectorOp_xrdx0")
+nodes/fragment/10/position = Vector2(520, 640)
+nodes/fragment/connections = PackedInt32Array(2, 4, 5, 0, 3, 0, 5, 1, 4, 0, 6, 1, 2, 4, 6, 0, 5, 0, 7, 2, 8, 0, 7, 0, 2, 4, 0, 1, 7, 0, 0, 0, 6, 0, 0, 9, 9, 0, 7, 1, 4, 1, 9, 1, 10, 0, 9, 0, 2, 0, 10, 0)

project.godot

@@ -42,3 +42,8 @@ jump={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":32,"echo":false,"script":null)
 ]
 }
+interact={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":69,"key_label":0,"unicode":101,"echo":false,"script":null)
+]
+}