IMPROVEMENT: Added viewport to address rendering performance

Scenes/Main.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=13 format=2]
+[gd_scene load_steps=14 format=2]
 
 [ext_resource path="res://Scripts/Main.gd" type="Script" id=1]
 [ext_resource path="res://Scenes/UI/Camera_rig.tscn" type="PackedScene" id=2]
@@ -12,46 +12,65 @@
 [ext_resource path="res://Scripts/Signals.gd" type="Script" id=10]
 [ext_resource path="res://Default_env.tres" type="Environment" id=11]
 [ext_resource path="res://Scripts/Options/Engine.gd" type="Script" id=12]
+[ext_resource path="res://Scripts/View.gd" type="Script" id=13]
 
-[node name="Main" type="Spatial"]
+[node name="Cont" type="ViewportContainer"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+mouse_filter = 1
+stretch = true
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="UI" parent="." instance=ExtResource( 3 )]
+
+[node name="View" type="Viewport" parent="."]
+size = Vector2( 1024, 600 )
+handle_input_locally = false
+render_target_update_mode = 3
+script = ExtResource( 13 )
+scale_factor = 1.0
+
+[node name="Main" type="Spatial" parent="View"]
 script = ExtResource( 1 )
 
-[node name="World" type="WorldEnvironment" parent="."]
+[node name="World" type="WorldEnvironment" parent="View/Main"]
 environment = ExtResource( 11 )
 
-[node name="Options" type="Node" parent="."]
+[node name="Options" type="Node" parent="View/Main"]
 
-[node name="Engine" type="Node" parent="Options"]
+[node name="Engine" type="Node" parent="View/Main/Options"]
 script = ExtResource( 12 )
 
-[node name="Camera" type="Node" parent="Options"]
+[node name="Camera" type="Node" parent="View/Main/Options"]
 script = ExtResource( 8 )
 camera_far = 60000
 
-[node name="Input" type="Node" parent="."]
+[node name="Input" type="Node" parent="View/Main"]
 script = ExtResource( 6 )
 
-[node name="Signals" type="Node" parent="Input"]
+[node name="Signals" type="Node" parent="View/Main/Input"]
 script = ExtResource( 10 )
 
-[node name="State" type="Node" parent="."]
+[node name="State" type="Node" parent="View/Main"]
 
-[node name="Player_ship" type="Node" parent="State"]
+[node name="Player_ship" type="Node" parent="View/Main/State"]
 script = ExtResource( 9 )
 
-[node name="UI" parent="." instance=ExtResource( 3 )]
-
-[node name="Local_space" type="Position3D" parent="."]
+[node name="Local_space" type="Position3D" parent="View/Main"]
 __meta__ = {
 "_edit_group_": true,
 "_edit_lock_": true
 }
 
-[node name="System_objects" parent="Local_space" instance=ExtResource( 4 )]
+[node name="System_objects" parent="View/Main/Local_space" instance=ExtResource( 4 )]
 
-[node name="Player_ship" parent="." instance=ExtResource( 5 )]
+[node name="Player_ship" parent="View/Main" instance=ExtResource( 5 )]
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 2500, 0, 0 )
 accel_ticks_max = 100
 
-[node name="Camera_rig" parent="Player_ship" instance=ExtResource( 2 )]
+[node name="Camera_rig" parent="View/Main/Player_ship" instance=ExtResource( 2 )]
 script = ExtResource( 7 )
+
+[connection signal="size_changed" from="View" to="View" method="_on_View_size_changed"]

Scenes/UI/UI.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=10 format=2]
+[gd_scene load_steps=8 format=2]
 
 [ext_resource path="res://Scripts/UI.gd" type="Script" id=1]
 [ext_resource path="res://Assets/UI_styles/Button_red/Hover_focus.tres" type="StyleBox" id=2]
@@ -7,32 +7,9 @@
 
 [sub_resource type="ShaderMaterial" id=1]
 
-[sub_resource type="ShaderMaterial" id=6]
+[sub_resource type="ShaderMaterial" id=2]
 
-[sub_resource type="Shader" id=7]
-code = "shader_type canvas_item;
-
-uniform float brightness = 1.0;
-uniform float contrast = 1.0;
-uniform float saturation = 1.0;
-
-void fragment() {
-    vec3 c = textureLod(SCREEN_TEXTURE, SCREEN_UV, 0.0).rgb;
-
-    c.rgb = mix(vec3(0.0), c.rgb, brightness);
-    c.rgb = mix(vec3(0.5), c.rgb, contrast);
-    c.rgb = mix(vec3(dot(vec3(1.0), c.rgb) * 0.33333), c.rgb, saturation);
-
-    COLOR.rgb = c;
-}"
-
-[sub_resource type="ShaderMaterial" id=8]
-shader = SubResource( 7 )
-shader_param/brightness = 1.415
-shader_param/contrast = 1.0
-shader_param/saturation = -2.387
-
-[sub_resource type="CanvasItemMaterial" id=4]
+[sub_resource type="CanvasItemMaterial" id=3]
 
 [node name="UI" type="CanvasLayer"]
 script = ExtResource( 1 )
@@ -58,8 +35,7 @@ __meta__ = {
 }
 
 [node name="_ColorRect" type="ColorRect" parent="Main3D/Debug"]
-visible = false
-material = SubResource( 6 )
+material = SubResource( 2 )
 anchor_right = 1.0
 anchor_bottom = 1.0
 color = Color( 0.443137, 0.588235, 0.439216, 1 )
@@ -133,7 +109,6 @@ __meta__ = {
 }
 
 [node name="Text_panel" type="Control" parent="Main3D"]
-visible = false
 anchor_left = 1.0
 anchor_right = 1.0
 anchor_bottom = 1.0
@@ -146,7 +121,6 @@ __meta__ = {
 }
 
 [node name="_ColorRect" type="ColorRect" parent="Main3D/Text_panel"]
-visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 color = Color( 0.529412, 0.258824, 0.360784, 1 )
@@ -170,14 +144,8 @@ __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[node name="Filter" type="ColorRect" parent="Main3D"]
-visible = false
-material = SubResource( 8 )
-anchor_right = 1.0
-anchor_bottom = 1.0
-
 [node name="Controls" type="Control" parent="."]
-material = SubResource( 4 )
+material = SubResource( 3 )
 anchor_top = 1.0
 anchor_right = 1.0
 anchor_bottom = 1.0
@@ -189,7 +157,6 @@ __meta__ = {
 }
 
 [node name="ColorRect" type="ColorRect" parent="Controls"]
-visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 mouse_filter = 2

Scripts/Camera_rig.gd

@@ -26,14 +26,14 @@ var ship_model = Node
 
 func _ready():
 	# ============================ Initialize nodes ===========================
-	input = get_node("/root/Main/Input")
-	cam_opts = get_node("/root/Main/Options/Camera")
-	player_ship_state = get_node("/root/Main/State/Player_ship")
+	input = get_node("/root/Cont/View/Main/Input")
+	cam_opts = get_node("/root/Cont/View/Main/Options/Camera")
+	player_ship_state = get_node("/root/Cont/View/Main/State/Player_ship")
 	# TODO: make reference to model universal.
 	ship = get_parent()
 	ship_model = get_node("../Ship_model")
-	signals = get_node("/root/Main/Input/Signals")
-	ui = get_node("/root/Main/UI")
+	signals = get_node("/root/Cont/View/Main/Input/Signals")
+	ui = get_node("/root/Cont/UI")
 	# ============================ Connect signals ============================
 	signals.connect("sig_turret_mode_on", self, "is_turret_mode_on")
 	# =========================================================================

Scripts/Input.gd

@@ -24,11 +24,11 @@ var ui_button_turret = Node
 
 func _ready():
 	# ============================ Initialize nodes ===========================
-	camera_rig = get_node("/root/Main/Player_ship/Camera_rig")
-	player_ship_state = get_node("/root/Main/State/Player_ship")
-	signals = get_node("/root/Main/Input/Signals")
-	ui = get_node("/root/Main/UI")
-	ui_button_turret = get_node("/root/Main/UI/Controls/Button_turret")
+	camera_rig = get_node("/root/Cont/View/Main/Player_ship/Camera_rig")
+	player_ship_state = get_node("/root/Cont/View/Main/State/Player_ship")
+	signals = get_node("/root/Cont/View/Main/Input/Signals")
+	ui = get_node("/root/Cont/UI")
+	ui_button_turret = get_node("/root/Cont/UI/Controls/Button_turret")
 	# ============================ Connect signals ============================
 	signals.connect("sig_mouse_on_viewport", self, "is_mouse_on_viewport")
 	signals.connect("sig_viewport_update", self, "is_viewport_update")

Scripts/Options/Camera.gd

@@ -16,7 +16,7 @@ var camera = Node
 
 func _ready():
 	# ============================ Initialize nodes ===========================
-	camera = get_node("/root/Main/Player_ship/Camera_rig/Camera")
+	camera = get_node("/root/Cont/View/Main/Player_ship/Camera_rig/Camera")
 
 	# Set camera properties.
 	camera.fov = camera_fov

Scripts/Player_ship.gd

@@ -38,12 +38,12 @@ var player_ship_state = Node
 func _ready():
 	# ============================ Initialize nodes ===========================
 	engines = get_node("Engines")
-	engine_opts = get_node("/root/Main/Options/Engine")
-	input = get_node("/root/Main/Input")
-	local_space = get_node("/root/Main/Local_space")
-	ui = get_node("/root/Main/UI")
-	signals = get_node("/root/Main/Input/Signals")
-	player_ship_state = get_node("/root/Main/State/Player_ship")
+	engine_opts = get_node("/root/Cont/View/Main/Options/Engine")
+	input = get_node("/root/Cont/View/Main/Input")
+	local_space = get_node("/root/Cont/View/Main/Local_space")
+	ui = get_node("/root/Cont/UI")
+	signals = get_node("/root/Cont/View/Main/Input/Signals")
+	player_ship_state = get_node("/root/Cont/View/Main/State/Player_ship")
 	# ============================= Connect signals ===========================
 	signals.connect("sig_accelerate", self, "is_accelerating")
 	signals.connect("sig_engine_kill", self, "is_engine_kill")

Scripts/UI.gd

@@ -21,17 +21,16 @@ var text_panel = Node
 
 func _ready():
 	# ============================ Initialize nodes ===========================
-	camera_rig = get_node("/root/Main/Player_ship/Camera_rig")
+	camera_rig = get_node("/root/Cont/View/Main/Player_ship/Camera_rig")
 	debug = get_node("Main3D/Debug")
-	input = get_node("/root/Main/Input")
-	main = get_node("/root/Main")
+	input = get_node("/root/Cont/View/Main/Input")
+	main = get_node("/root/Cont/View/Main")
 	marker = get_node("Main3D/Debug/Marker")
 	marker2 = get_node("Main3D/Debug/Marker2")
 	marker3 = get_node("Main3D/Debug/Marker3")
-	monolith = get_node("/root/Main/Local_space/System_objects/Monolith")
-	monolith2 = get_node("/root/Main/Local_space/System_objects/Monolith2")
+	monolith = get_node("/root/Cont/View/Main/Local_space/System_objects/Monolith")
 	mouse_vector = get_node("Main3D/Debug/Mouse_vector")
-	signals = get_node("/root/Main/Input/Signals")
+	signals = get_node("/root/Cont/View/Main/Input/Signals")
 	text_panel = get_node("Main3D/Text_panel")
 	# =========================================================================
 
@@ -51,19 +50,15 @@ func _process(_delta):
 	# This should be an iterator over objects within proximity.
 	var loc = camera_rig.global_transform.origin
 	var loc2 = monolith.global_transform.origin
-	var loc3 = monolith2.global_transform.origin
 
-	marker.visible = not get_viewport().get_camera().is_position_behind(Vector3(0,0,0))
-	marker.rect_position = get_viewport().get_camera().unproject_position(Vector3(0,0,0))
-	marker.text = "Origin: "+str(loc.distance_to(Vector3(0,0,0)))
+	#marker.visible = not get_viewport().get_camera().is_position_behind(Vector3(0,0,0))
+	#marker.rect_position = get_viewport().get_camera().unproject_position(Vector3(0,0,0))
+	#marker.text = "Origin: "+str(loc.distance_to(Vector3(0,0,0)))
 
-	marker2.visible = not get_viewport().get_camera().is_position_behind(loc2)
-	marker2.rect_position = get_viewport().get_camera().unproject_position(loc2)
-	marker2.text = "Monolith: "+str(loc.distance_to(loc2))
+	#marker2.visible = not get_viewport().get_camera().is_position_behind(loc2)
+	#marker2.rect_position = get_viewport().get_camera().unproject_position(loc2)
+	#marker2.text = "Monolith: "+str(loc.distance_to(loc2))
 
-	marker3.visible = not get_viewport().get_camera().is_position_behind(loc3)
-	marker3.rect_position = get_viewport().get_camera().unproject_position(loc3)
-	marker3.text = "Monolith2: "+str(loc.distance_to(loc3))
 	if update_debug_text_on: update_debug_text()
 
 # ================================== Other ====================================
@@ -80,6 +75,7 @@ func _on_Viewport_main_mouse_entered():
 func _on_Viewport_main_mouse_exited():
 	signals.emit_signal("sig_mouse_on_viewport", false)
 
+# TODO: improve
 func _on_Viewport_main_resized():
 	signals.emit_signal("sig_viewport_update")
 	viewport_size = OS.window_size

Scripts/View.gd

@@ -0,0 +1,12 @@
+extends Viewport
+
+export var scale_factor = 0.65
+
+func _ready():
+	self.get_texture().flags = Texture.FLAG_FILTER
+	self.size = Vector2(1024, 600)*scale_factor
+
+# TODO: implement ratio setting, factor, size
+
+func _on_View_size_changed():
+	self.size = Vector2(1024, 600)*scale_factor

project.godot

@@ -50,6 +50,10 @@ run/main_scene="res://Scenes/Main.tscn"
 boot_splash/image="res://Assets/Images/Splash.png"
 config/icon="res://Assets/Images/Icon.png"
 
+[display]
+
+window/stretch/aspect="keep"
+
 [editor_plugins]
 
 enabled=PoolStringArray( "res://addons/lod/plugin.cfg" )