Pixel Perfect outline Shader - Godot Shaders

shader_type spatial;
render_mode cull_front, unshaded;

uniform vec4 outline_color : source_color;
uniform float outline_width = 1.0;

void vertex() {
	vec4 clip_position = PROJECTION_MATRIX * (MODELVIEW_MATRIX * vec4(VERTEX, 1.0));
	vec3 clip_normal = mat3(PROJECTION_MATRIX) * (mat3(MODELVIEW_MATRIX) * NORMAL);
	
	vec2 offset = normalize(clip_normal.xy) / VIEWPORT_SIZE * clip_position.w * outline_width * 2.0;
	
	clip_position.xy += offset;
	
	POSITION = clip_position;
}

void fragment() {
	ALBEDO = outline_color.rgb;
	if (outline_color.a < 1.0) {
		ALPHA = outline_color.a;
	}
}

extends CharacterBody3D

var mouse_sense = 0.1 
const SPEED = 5.0
const JUMP_VELOCITY = 4.5

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")


@onready var head = $head
@onready var camera = $head/Camera3D

func _ready():
	#hides the cursor
	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)


func _input(event):
	#get mouse input for camera rotation
	if event is InputEventMouseMotion:
		rotate_y(deg_to_rad(-event.relative.x * mouse_sense))
		head.rotate_x(deg_to_rad(-event.relative.y * mouse_sense))
		head.rotation.x = clamp(head.rotation.x, deg_to_rad(-89), deg_to_rad(89))


func _physics_process(delta):
	# Add the gravity.
	if not is_on_floor():
		velocity.y -= gravity * delta

	# Handle jump.
	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
		velocity.y = JUMP_VELOCITY

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	var input_dir = Input.get_vector("left", "right", "up", "down")
	var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
	if direction:
		velocity.x = direction.x * SPEED
		velocity.z = direction.z * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		velocity.z = move_toward(velocity.z, 0, SPEED)

	move_and_slide()

extends CharacterBody2D


@export var speed :float = 100.0
@export var jump_velocity = -200.0
@onready var aps = $AnimatedSprite2D
# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
var animation_locked : bool = false
var direction : Vector2 = Vector2.ZERO

func _physics_process(delta):
	# Add the gravity.
	if not is_on_floor():
		velocity.y += gravity * delta

	# Handle jump.
	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
		velocity.y = jump_velocity

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	direction = Input.get_vector("left", "right","up", "down" )
	if direction:
		velocity.x = direction.x * speed
	else:
		velocity.x = move_toward(velocity.x, 0, speed)

	move_and_slide()
	update_animation()
	update_facing_direction()

func update_animation():
	if not animation_locked:
		if direction.x != 0:
			aps.play("run")
		else:
			aps.play("idle")

func update_facing_direction():
	if direction.x > 0:
		aps.flip_h = false
	elif direction.x < 0:
		aps.flip_h = true

func jump():
	velocity.y = jump_velocity
	aps.play("jump")
	animation_locked = true