screen drag + visible object collision shapes

1 files changed, 35 insertions, 0 deletions

diff --git a/Start.gd b/Start.gd
new file mode 100644
index 0000000..e7b0896
--- /dev/null
+++ b/Start.gd
@@ -0,0 +1,35 @@
+extends Node2D
+
+
+var drag_anchor = Vector2(0,0)
+
+# todo: set camera base limit and adjust based on zoom
+
+
+func _input(event):
+	if event.is_action_pressed("ui_cancel"):
+		if %Tray.is_open:
+			%Tray.close()
+		else:
+			%Tray.open()
+	
+	if event.is_action_pressed("drag_screen"):
+		drag_anchor = get_global_mouse_position()
+	
+	if event is InputEventMouseButton:
+		if event.is_pressed():
+			if event.button_index == MOUSE_BUTTON_WHEEL_UP:
+				var zoom = min(%Viewport/Camera2D.zoom.x + 0.1, 2)
+				%Viewport/Camera2D.zoom = Vector2(zoom, zoom)
+			if event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
+				var zoom = max(%Viewport/Camera2D.zoom.x - 0.1, 1)
+				%Viewport/Camera2D.zoom = Vector2(zoom, zoom)
+
+
+func _process(_delta):
+	if Input.is_action_pressed("drag_screen"):
+		%Viewport.position += drag_anchor - get_global_mouse_position()
+		%Viewport.position.x = min(%Viewport.position.x, %Viewport/Camera2D.limit_right - get_viewport_rect().size.x/2)
+		%Viewport.position.x = max(%Viewport.position.x, %Viewport/Camera2D.limit_left + get_viewport_rect().size.x/2)
+		%Viewport.position.y = min(%Viewport.position.y, %Viewport/Camera2D.limit_bottom - get_viewport_rect().size.y/2)
+		%Viewport.position.y = max(%Viewport.position.y, %Viewport/Camera2D.limit_top + get_viewport_rect().size.y/2)