enable zoom in the camera

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defold_game/main/zoom.script

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+function init(self)
+	-- Add initialization code here
+	-- Learn more: https://defold.com/manuals/script/
+	-- Remove this function if not needed
+	msg.post("@render:", "use_fixed_projection", { near = -1, far = 1, zoom = 5 })
+	
+end
+
+function final(self)
+	-- Add finalization code here
+	-- Learn more: https://defold.com/manuals/script/
+	-- Remove this function if not needed
+end
+
+function update(self, dt)
+	-- Add update code here
+	-- Learn more: https://defold.com/manuals/script/
+	-- Remove this function if not needed
+	msg.post("@render:", "use_fixed_projection", { near = -1, far = 1, zoom = 5 })
+	
+end
+
+function late_update(self, dt)
+	-- This function is called at the end of update cycle but before render
+	-- Learn more: https://defold.com/manuals/script/
+	-- Remove this function if not needed
+end
+
+function fixed_update(self, dt)
+	-- This function is called if 'Fixed Update Frequency' is enabled in the Engine section of game.project
+	-- Can be coupled with fixed updates of the physics simulation if 'Use Fixed Timestep' is enabled in
+	-- Physics section of game.project
+	-- Add update code here
+	-- Learn more: https://defold.com/manuals/script/
+	-- Remove this function if not needed
+end
+
+function on_message(self, message_id, message, sender)
+	-- Add message-handling code here
+	-- Learn more: https://defold.com/manuals/message-passing/
+	-- Remove this function if not needed
+end
+
+function on_input(self, action_id, action)
+	-- Add input-handling code here. The game object this script is attached to
+	-- must have acquired input focus:
+	--
+	--    msg.post(".", "acquire_input_focus")
+	--
+	-- All mapped input bindings will be received. Mouse and touch input will
+	-- be received regardless of where on the screen it happened.
+	-- Learn more: https://defold.com/manuals/input/
+	-- Remove this function if not needed
+end
+
+function on_reload(self)
+	-- Add reload-handling code here
+	-- Learn more: https://defold.com/manuals/hot-reload/
+	-- Remove this function if not needed
+end