Add support for panning the level freely in-game

engine.cfg

@@ -8,7 +8,7 @@ boot_splash="res://KOBUGE_Splash.png"
 
 [application.config]
 
-debug_load_level_id=5
+debug_load_level_id=3
 debug_enable_step=false
 debug_load_level=false
 debug_load_level_pack="tutorial"
@@ -28,6 +28,7 @@ FileManager="*res://shared/file_manager.gd"
 
 [display]
 
+emulate_touchscreen=true
 width=1024
 height=768
 stretch_mode="2d"

entities/player.gd

@@ -33,13 +33,11 @@ func level_load(level_node):
 
 	tilemap = level_node.get_node("tilemap") # Get the tilemap
 
-	# Set the limis for the camera
+	# Set the limits for the camera
 	var top_left_pos = level_node.get_node("camera_start").get_pos()
 	var bottom_right_pos = level_node.get_node("camera_end").get_pos()
 	camera.set_limit(MARGIN_TOP, top_left_pos.y)
-	camera.set_limit(MARGIN_LEFT, min(top_left_pos.x,-9999))
 	camera.set_limit(MARGIN_BOTTOM, bottom_right_pos.y)
-	camera.set_limit(MARGIN_RIGHT, max(bottom_right_pos.x,9999))
 
 	# Reset variables
 	bombs = 0

levels/tutorial/level_10.tscn

@@ -58,7 +58,7 @@ transform/scale = Vector2( 3.2, 3.2 )
 
 [node name="camera_end" type="Position2D" parent="."]
 
-transform/pos = Vector2( 960, 768 )
+transform/pos = Vector2( 640, 768 )
 transform/scale = Vector2( 3.2, 3.2 )
 
 [node name="Label" type="Label" parent="."]

main/gui.gd

@@ -8,6 +8,7 @@ var popup_running = false
 
 onready var timer = get_node("timer")
 onready var popup = get_node("popup")
+onready var lookaround = get_node("lookaround")
 onready var level_holder = get_node("../level_holder")
 onready var player = get_node("../player_holder/player")
 
@@ -109,6 +110,9 @@ func _show_popup(title, text): # Show a popup with title and text
 	popup.show()
 
 func popup_button_pressed(name): # Actions for different popup buttons
+	if name == "look":
+		var toggled = get_node("top_left_buttons/look").is_pressed()
+		lookaround.set_enabled(toggled)
 	if name == "retry":
 		level_holder.retry_level()
 	elif name == "next":

main/level_holder.gd

@@ -3,6 +3,8 @@ extends Node2D
 
 signal counters_changed()
 
+const TILE_SIZE = Vector2(64, 64)
+
 export var acid_animation_time = 1.0 # The speed of the acid animation
 
 var level_scene # The scene containing the level
@@ -91,13 +93,17 @@ func window_resize():
 	if !level_node:
 		return
 	var tilemap = level_node.get_node("tilemap")
-	for i in range(ceil(new_size.x/2/64)):
+	for i in range(ceil(new_size.x/2/TILE_SIZE.x)):
 		tilemap.set_cell(tile_map_acid_x_start - i, tile_map_acid_y, 2)
 		tilemap.set_cell(tile_map_acid_x_end + i, tile_map_acid_y, 2)
+
 	var scale = new_size.x/1024
 	if(scale > 1):
 		level_node.get_node("CanvasLayer").set_scale(Vector2(scale,scale))
 		level_node.get_node("CanvasLayer").set_offset(Vector2(32*scale,32-(scale - 1)*768/2))
+
+	player.camera.set_limit(MARGIN_LEFT, -new_size.x/2 - tile_map_acid_x_start * TILE_SIZE.x)
+	player.camera.set_limit(MARGIN_RIGHT, new_size.x/2 + tile_map_acid_x_end * TILE_SIZE.x)
 	player.camera.force_update_scroll()
 
 func goal_add(type = ""): # Add one more goal

main/lookaround.gd

@@ -0,0 +1,50 @@
+
+extends Control
+
+var mouse_down = false
+var last_mouse_pos = Vector2()
+var preenable_top_margin = 0
+
+onready var player_camera = get_node("../../player_holder/player/camera")
+
+func _ready():
+	set_enabled(false)
+
+func set_enabled(enabled):
+	get_tree().call_deferred("set_pause", enabled)
+	set_hidden(!enabled)
+	player_camera.set_offset(Vector2(0, 0))
+	var z = 0.24
+	var scale_factor = Vector2(enabled*z + 1, enabled*z + 1)
+	player_camera.set_zoom(scale_factor)
+
+	if enabled:
+		preenable_top_margin = player_camera.get_limit(MARGIN_TOP)
+		var distance = player_camera.get_limit(MARGIN_BOTTOM) - player_camera.get_limit(MARGIN_TOP)
+		var space = get_node("/root/ScreenManager").initial_size.y
+		if distance / scale_factor.y < space:
+			player_camera.set_limit(MARGIN_TOP, player_camera.get_limit(MARGIN_BOTTOM) - space * scale_factor.y)
+			player_camera.force_update_scroll()
+
+		player_camera.set_limit(MARGIN_TOP, player_camera.get_limit(MARGIN_TOP) - 60) # Makes things feel less rigid
+	else:
+		player_camera.set_limit(MARGIN_TOP, preenable_top_margin)
+
+func _input_event(event):
+
+	if event.type == InputEvent.MOUSE_BUTTON and event.button_index == BUTTON_LEFT:
+		mouse_down = event.is_pressed()
+		last_mouse_pos = event.global_pos
+
+	if mouse_down and event.type == InputEvent.MOUSE_MOTION:
+		var delta = last_mouse_pos - event.global_pos
+		var old_offset = player_camera.get_offset()
+
+		var old_center_offset = player_camera.get_camera_screen_center() - player_camera.get_camera_pos()
+		player_camera.set_offset(old_offset + delta)
+
+		var new_center_offset =  player_camera.get_camera_screen_center() - player_camera.get_camera_pos()
+		player_camera.set_offset(old_offset + new_center_offset - old_center_offset)
+
+		last_mouse_pos = event.global_pos
+