45 lines
1.3 KiB
GDScript
45 lines
1.3 KiB
GDScript
# Class handles the camera zoom and movement in the game
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class_name CameraZoom2D
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extends Camera2D
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var is_panning_camera = false
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var tween
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func camera_zoom_in() -> void:
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_set_camera_zoom_level(Globals.CAMERA_ZOOM_LEVEL - Globals.CAMERA_ZOOM_FACTOR)
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func camera_zoom_out() -> void:
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_set_camera_zoom_level(Globals.CAMERA_ZOOM_LEVEL + Globals.CAMERA_ZOOM_DURATION)
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func _set_camera_zoom_level(value: float) -> void:
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Globals.CAMERA_ZOOM_LEVEL = clamp(value, Globals.CAMERA_MIN_ZOOM_LEVEL, Globals.CAMERA_MAX_ZOOM_LEVEL)
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#interpolate frames between zoom levels to make zooming look smoother
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tween = get_tree().create_tween()
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tween.tween_property(
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self,
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"zoom",
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Vector2(Globals.CAMERA_ZOOM_LEVEL, Globals.CAMERA_ZOOM_LEVEL),
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Globals.CAMERA_ZOOM_DURATION
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)
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func _on_world_set_camera_position(pos: Vector2) -> void:
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self.position = pos
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func _unhandled_input(event):
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if event.is_action_pressed("camera_zoom_in"):
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camera_zoom_in()
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if event.is_action_pressed("camera_zoom_out"):
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camera_zoom_out()
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if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
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if !is_panning_camera and event.pressed:
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is_panning_camera = true
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if is_panning_camera and !event.pressed:
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is_panning_camera = false
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if event is InputEventMouseMotion and is_panning_camera:
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self.position -= event.relative * Globals.CAMERA_PAN_MULTI
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