fix(gameplay): escape pause menu + block placement collision + perf optim render_distance/throttling

scripts/PauseMenu.gd

@@ -0,0 +1,67 @@
+extends Control
+
+func _ready() -> void:
+	process_mode = Node.PROCESS_MODE_ALWAYS
+	set_anchors_preset(Control.PRESET_FULL_RECT)
+
+	# Semi-transparent background
+	var bg := ColorRect.new()
+	bg.set_anchors_preset(Control.PRESET_FULL_RECT)
+	bg.color = Color(0, 0, 0, 0.7)
+	add_child(bg)
+
+	# Center VBox
+	var vbox := VBoxContainer.new()
+	vbox.set_anchors_preset(Control.PRESET_CENTER)
+	vbox.add_theme_constant_override("separation", 16)
+	vbox.set_offset(SIDE_LEFT, -120)
+	vbox.set_offset(SIDE_RIGHT, 120)
+	vbox.set_offset(SIDE_TOP, -120)
+	vbox.set_offset(SIDE_BOTTOM, 120)
+	add_child(vbox)
+
+	var title := Label.new()
+	title.text = "PAUSE"
+	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	title.add_theme_font_size_override("font_size", 48)
+	vbox.add_child(title)
+
+	var btn_resume := Button.new()
+	btn_resume.text = "Reprendre"
+	btn_resume.pressed.connect(_on_resume)
+	vbox.add_child(btn_resume)
+
+	var btn_menu := Button.new()
+	btn_menu.text = "Menu principal"
+	btn_menu.pressed.connect(_on_main_menu)
+	vbox.add_child(btn_menu)
+
+	var btn_quit := Button.new()
+	btn_quit.text = "Quitter"
+	btn_quit.pressed.connect(_on_quit)
+	vbox.add_child(btn_quit)
+
+
+func show_pause() -> void:
+	show()
+	get_tree().paused = true
+	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+
+
+func hide_pause() -> void:
+	hide()
+	get_tree().paused = false
+	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+
+
+func _on_resume() -> void:
+	hide_pause()
+
+
+func _on_main_menu() -> void:
+	get_tree().paused = false
+	get_tree().change_scene_to_file("res://scenes/MainMenu.tscn")
+
+
+func _on_quit() -> void:
+	get_tree().quit()