From 4597189f157834c80f56b12b701fd2b2a15c2798 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <git@mail.dweipert.de>
Date: Sun, 8 Sep 2024 22:35:06 +0200
Subject: next commit

---
 UI/Camera.gd | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 UI/Camera.gd

(limited to 'UI/Camera.gd')

diff --git a/UI/Camera.gd b/UI/Camera.gd
new file mode 100644
index 0000000..4e02662
--- /dev/null
+++ b/UI/Camera.gd
@@ -0,0 +1,46 @@
+extends Camera2D
+
+
+var is_in_drag_mode = false
+var drag_anchor = Vector2.ZERO
+
+@export var speed = 5
+
+@export_group("Zoom", "zoom")
+@export var zoom_min: float = 0.5
+@export var zoom_max: float = 3
+@export var zoom_step: float = 0.01
+
+
+func _input(event):
+	if event.is_action("camera_zoom_out"):
+		var new_zoom = max(zoom.x - zoom_step, zoom_min)
+		zoom = Vector2(new_zoom, new_zoom)
+	if event.is_action("camera_zoom_in"):
+		var new_zoom = min(zoom.x + zoom_step, zoom_max)
+		zoom = Vector2(new_zoom, new_zoom)
+		#global_position -= (global_position + (get_viewport_rect().size/2) - get_global_mouse_position())
+	
+	if event.is_action_pressed("camera_drag"):
+		is_in_drag_mode = true
+		drag_anchor = get_global_mouse_position()
+	elif event.is_action_released("camera_drag"):
+		is_in_drag_mode = false
+
+
+func _process(_delta):
+	if is_in_drag_mode:
+		global_position += drag_anchor - get_global_mouse_position()
+	
+	var direction_h = Input.get_axis("ui_left", "ui_right")
+	var direction_v = Input.get_axis("ui_up", "ui_down")
+	global_position += Vector2(direction_h * speed, direction_v * speed)
+
+
+func get_rect():
+	var viewport = get_viewport_rect()
+	
+	return Rect2(
+		global_position,
+		viewport.size * Vector2(1 / zoom.x, 1 / zoom.y)
+	)
-- 
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