From a495681453c97578cc4a408d6919c6879524a603 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <git@mail.dweipert.de>
Date: Thu, 24 Oct 2024 18:31:08 +0200
Subject: next commit

---
 UI/Camera.gd | 47 ++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 44 insertions(+), 3 deletions(-)

(limited to 'UI/Camera.gd')

diff --git a/UI/Camera.gd b/UI/Camera.gd
index 926ab36..3009ed2 100644
--- a/UI/Camera.gd
+++ b/UI/Camera.gd
@@ -4,10 +4,14 @@ extends Camera2D
 
 signal zoomed(zoom: Vector2)
 
-var is_in_drag_mode = false
-var drag_anchor = Vector2.ZERO
+var is_in_drag_mode := false
+var drag_anchor := Vector2.ZERO
 
-@export var speed = 25
+var is_in_edge_mode := false
+var edge := Vector2.ZERO
+@export var edge_scroll_margin := 4.0
+
+@export var speed := 25
 
 @export_group("Zoom", "zoom")
 @export var zoom_min: float = 0.5
@@ -28,6 +32,8 @@ func _ready():
 		)
 		zoomed.emit(zoom)
 	)
+	
+	Input.mouse_mode = Input.MOUSE_MODE_CONFINED
 
 
 func _input(event):
@@ -45,17 +51,52 @@ func _input(event):
 		zoom = Vector2(new_zoom, new_zoom)
 		zoomed.emit(zoom)
 	
+	
 	if event.is_action_pressed("camera_drag"):
 		is_in_drag_mode = true
 		drag_anchor = get_global_mouse_position()
+		Input.set_default_cursor_shape(Input.CURSOR_MOVE)
 	elif event.is_action_released("camera_drag"):
 		is_in_drag_mode = false
+		Input.set_default_cursor_shape(Input.CURSOR_ARROW)
+	
+	
+	if event is InputEventMouseMotion:
+		is_in_edge_mode = false
+		edge = Vector2.ZERO
+		if get_global_mouse_position().x - edge_scroll_margin <= get_rect().position.x:
+			is_in_edge_mode = true
+			edge += Vector2.LEFT
+		if get_global_mouse_position().y - edge_scroll_margin <= get_rect().position.y:
+			is_in_edge_mode = true
+			edge += Vector2.UP
+		if get_global_mouse_position().x + edge_scroll_margin >= get_rect().end.x:
+			is_in_edge_mode = true
+			edge += Vector2.RIGHT
+		if get_global_mouse_position().y + edge_scroll_margin >= get_rect().end.y:
+			is_in_edge_mode = true
+			edge += Vector2.DOWN
+		edge = edge.normalized()
+	
+	if event is InputEventMouseButton and event.is_pressed():
+		Input.mouse_mode = Input.MOUSE_MODE_CONFINED
+	elif event.is_action_pressed("mouse_escape"):
+		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
 
 
 func _process(delta):
 	if is_in_drag_mode:
 		set_new_position(global_position + drag_anchor - get_global_mouse_position())
 	
+	if is_in_edge_mode:
+		set_new_position(
+			lerp(
+				global_position,
+				global_position + (edge * speed),
+				speed * delta
+			)
+		)
+	
 	var direction_h = Input.get_axis("ui_left", "ui_right")
 	var direction_v = Input.get_axis("ui_up", "ui_down")
 	
-- 
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