spawn nodes randomly within the current viewport

This was so easy! I should have done this months ago! So much slogging
new nodes across the work surface.

0072-Spawn_point

@@ -1,3 +0,0 @@
-Spawn_point = {x=0, y=0}
--- idea: command to move the spawn point around
--- but we don't have a command palette yet

0077-new_definition

@@ -2,16 +2,15 @@ new_definition = function()
 	if Cursor_node then
 		Cursor_node.show_cursor = false
 	end
+	local p = spawn_point()
 	table.insert(Definitions, {
 		type='text',
 		data={''},
-		x=Spawn_point.x, y=Spawn_point.y,
+		x=p.x, y=p.y,
 		width=600,
 		bg=Definition_background_color,
 		key=#Definitions+1,
 	})
-	Viewport.x = Spawn_point.x-30
-	Viewport.y = Spawn_point.y-30
 	Cursor_node = Definitions[#Definitions]
 	Cursor_node.show_cursor = true
 end

0116-spawn_point

@@ -0,0 +1,6 @@
+spawn_point = function()
+	return {
+		x = math.random(Viewport.x, Viewport.x+Viewport.w),
+		y = math.random(Viewport.y, Viewport.y+Viewport.h),
+	}
+end