30 lines
773 B
GDScript
30 lines
773 B
GDScript
class_name PlayerCamera extends Node
|
|
|
|
const CAMERA_PIXELS_PER_UNIT = 1.0
|
|
const CAMERA_PIXEL_SCALE = 2.0
|
|
|
|
@export var camera:Camera3D = null
|
|
@export var target:Node3D = null
|
|
@export var offset:Vector3 = Vector3(0, 0, 16)
|
|
|
|
func _process(delta: float) -> void:
|
|
# I tried a few things but this is most consistent for both backbuffer and
|
|
# framebuffer viewports.
|
|
var viewportHeight = get_viewport().get_visible_rect().size.y;
|
|
var unitScale = CAMERA_PIXEL_SCALE * CAMERA_PIXELS_PER_UNIT;
|
|
|
|
var z:float = (
|
|
tan((deg_to_rad(180) - deg_to_rad(camera.fov)) / 2.0) *
|
|
(viewportHeight / 2.0)
|
|
) / unitScale;
|
|
|
|
var look = target.global_position;
|
|
var position = offset + look;
|
|
|
|
camera.look_at_from_position(
|
|
Vector3(position.x, position.y + z, position.z),
|
|
look
|
|
);
|
|
|
|
pass
|