1
0
Fork 0
mirror of https://github.com/Orama-Interactive/Pixelorama.git synced 2025-01-19 09:39:48 +00:00
Pixelorama/Scripts/CameraMovement.gd
OverloadedOrama e677824f48 Added smooth zooming
Camera zooming with the help of a Tween node, toggle-able in the Preferences
2020-02-07 03:27:11 +02:00

51 lines
1.5 KiB
GDScript

extends Camera2D
var tween : Tween
var zoom_min := Vector2(0.005, 0.005)
var zoom_max := Vector2.ONE
var viewport_container : ViewportContainer
var drag := false
func _ready() -> void:
viewport_container = get_parent().get_parent()
tween = Tween.new()
add_child(tween)
func _input(event : InputEvent) -> void:
var mouse_pos := viewport_container.get_local_mouse_position()
var viewport_size := viewport_container.rect_size
if event.is_action_pressed("middle_mouse") || event.is_action_pressed("space"):
drag = true
elif event.is_action_released("middle_mouse") || event.is_action_released("space"):
drag = false
if Global.can_draw && Rect2(Vector2.ZERO, viewport_size).has_point(mouse_pos):
if event.is_action_pressed("zoom_in"): # Wheel Up Event
zoom_camera(-1)
elif event.is_action_pressed("zoom_out"): # Wheel Down Event
zoom_camera(1)
elif event is InputEventMouseMotion && drag:
offset = offset - event.relative * zoom
# Zoom Camera
func zoom_camera(dir : int) -> void:
if Global.smooth_zoom:
var zoom_margin = zoom * dir / 5
if zoom + zoom_margin > zoom_min:
tween.interpolate_property(self, "zoom", zoom, zoom + zoom_margin, 0.05, Tween.TRANS_LINEAR, Tween.EASE_IN)
tween.start()
if zoom > zoom_max:
tween.stop_all()
zoom = zoom_max
else:
var zoom_margin = zoom * dir / 10
if zoom + zoom_margin > zoom_min:
zoom += zoom_margin
if zoom > zoom_max:
zoom = zoom_max
if name == "Camera2D":
Global.zoom_level_label.text = str(round(100 / Global.camera.zoom.x)) + " %"