godot-demo-projects/3d/antialiasing/anti_aliasing.gd

101 lines
3.2 KiB
GDScript

extends Node
const ROT_SPEED = 0.003
const ZOOM_SPEED = 0.125
const MAIN_BUTTONS = MOUSE_BUTTON_MASK_LEFT | MOUSE_BUTTON_MASK_RIGHT | MOUSE_BUTTON_MASK_MIDDLE
var tester_index = 0
var rot_x = -TAU / 16 # This must be kept in sync with RotationX.
var rot_y = TAU / 8 # This must be kept in sync with CameraHolder.
var camera_distance = 2.0
var base_height = ProjectSettings.get_setting("display/window/size/viewport_height")
@onready var testers = $Testers
@onready var camera_holder = $CameraHolder # Has a position and rotates on Y.
@onready var rotation_x = $CameraHolder/RotationX
@onready var camera = $CameraHolder/RotationX/Camera3D
func _ready():
camera_holder.transform.basis = Basis.from_euler(Vector3(0, rot_y, 0))
rotation_x.transform.basis = Basis.from_euler(Vector3(rot_x, 0, 0))
update_gui()
func _unhandled_input(event):
if event.is_action_pressed("ui_left"):
_on_previous_pressed()
if event.is_action_pressed("ui_right"):
_on_next_pressed()
if event is InputEventMouseButton:
if event.button_index == MOUSE_BUTTON_WHEEL_UP:
camera_distance -= ZOOM_SPEED
if event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
camera_distance += ZOOM_SPEED
camera_distance = clamp(camera_distance, 1.5, 6)
if event is InputEventMouseMotion and event.button_mask & MAIN_BUTTONS:
# Compensate motion speed to be resolution-independent (based on the window height).
var relative_motion = event.relative * DisplayServer.window_get_size().y / base_height
rot_y -= relative_motion.x * ROT_SPEED
rot_x -= relative_motion.y * ROT_SPEED
rot_x = clamp(rot_x, -1.57, 0)
camera_holder.transform.basis = Basis.from_euler(Vector3(0, rot_y, 0))
rotation_x.transform.basis = Basis.from_euler(Vector3(rot_x, 0, 0))
func _process(delta):
var current_tester = testers.get_child(tester_index)
# This code assumes CameraHolder's X and Y coordinates are already correct.
var current_position = camera_holder.global_transform.origin.z
var target_position = current_tester.global_transform.origin.z
camera_holder.global_transform.origin.z = lerpf(current_position, target_position, 3 * delta)
camera.position.z = lerpf(camera.position.z, camera_distance, 10 * delta)
func _on_previous_pressed():
tester_index = max(0, tester_index - 1)
update_gui()
func _on_next_pressed():
tester_index = min(tester_index + 1, testers.get_child_count() - 1)
update_gui()
func update_gui():
$TestName.text = str(testers.get_child(tester_index).name).capitalize()
$Previous.disabled = tester_index == 0
$Next.disabled = tester_index == testers.get_child_count() - 1
func _on_fxaa_toggled(button_pressed):
get_viewport().screen_space_aa = Viewport.SCREEN_SPACE_AA_FXAA if button_pressed else Viewport.SCREEN_SPACE_AA_DISABLED
func _on_temporal_antialiasing_toggled(button_pressed):
get_viewport().use_taa = button_pressed
func _on_msaa_item_selected(index):
get_viewport().msaa_3d = index
func _on_render_scale_item_selected(index):
match index:
0:
get_viewport().scaling_3d_scale = 0.5
1:
get_viewport().scaling_3d_scale = 0.75
2:
get_viewport().scaling_3d_scale = 1.0
3:
get_viewport().scaling_3d_scale = 1.25
4:
get_viewport().scaling_3d_scale = 1.5
5:
get_viewport().scaling_3d_scale = 1.75
6:
get_viewport().scaling_3d_scale = 2.0