40 lines
1.2 KiB
GDScript
40 lines
1.2 KiB
GDScript
extends Camera2D
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var last_mouse_position = Vector2.ZERO
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func _ready():
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set_process_input(true)
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func _input(event):
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print(event.as_text())
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if event is InputEventMouseButton:
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if event.button_index == MOUSE_BUTTON_RIGHT and event.pressed:
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last_mouse_position = get_global_mouse_position()
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elif event.button_index == MOUSE_BUTTON_RIGHT and not event.pressed:
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last_mouse_position = Vector2.ZERO
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if event.button_index == MOUSE_BUTTON_WHEEL_DOWN and event.pressed:
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zoom_towards_mouse(Vector2(0.9, 0.9))
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elif event.button_index == MOUSE_BUTTON_WHEEL_UP and event.pressed:
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zoom_towards_mouse(Vector2(1.1, 1.1))
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elif event is InputEventMouseMotion:
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if last_mouse_position != Vector2.ZERO:
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var mouse_motion = event.relative
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var drag_offset = mouse_motion / zoom
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position -= drag_offset
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last_mouse_position = get_global_mouse_position()
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# Macbook touchpad
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elif event is InputEventPanGesture:
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position+=event.delta
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elif event is InputEventMagnifyGesture:
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zoom_towards_mouse(Vector2(event.factor,event.factor))
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func zoom_towards_mouse(zoom_factor):
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var previous_mouse_position := get_local_mouse_position()
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zoom *= zoom_factor
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var diff = previous_mouse_position - get_local_mouse_position()
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position += diff
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