71 lines
2.2 KiB
GDScript3
71 lines
2.2 KiB
GDScript3
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extends Spatial
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# Member variables
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var prev_pos = null
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var last_click_pos = null
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var viewport = null
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func _input(event):
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# Check if the event is a non-mouse event
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var is_mouse_event = false
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var mouse_events = [InputEventMouseButton, InputEventMouseMotion, InputEventScreenDrag, InputEventScreenTouch]
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for mouse_event in mouse_events:
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if (event is mouse_event):
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is_mouse_event = true
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break
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# If it is, then pass the event to the viewport
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if (is_mouse_event == false):
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viewport.input(event)
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# Mouse events for Area
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func _on_area_input_event(camera, event, click_pos, click_normal, shape_idx):
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# Use click pos (click in 3d space, convert to area space)
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var pos = get_node("Area").get_global_transform().affine_inverse()
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# the click pos is not zero, then use it to convert from 3D space to area space
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if (click_pos.x != 0 or click_pos.y != 0 or click_pos.z != 0):
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pos *= click_pos
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last_click_pos = click_pos
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else:
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# Otherwise, we have a motion event and need to use our last click pos
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# and move it according to the relative position of the event.
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# NOTE: this is not an exact 1-1 conversion, but it's pretty close
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pos *= last_click_pos
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if (event is InputEventMouseMotion or event is InputEventScreenDrag):
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pos.x += event.relative.x / viewport.size.x
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pos.y += event.relative.y / viewport.size.y
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last_click_pos = pos
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# Convert to 2D
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pos = Vector2(pos.x, pos.y)
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# Convert to viewport coordinate system
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# Convert pos to a range from (0 - 1)
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pos.y *= -1
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pos += Vector2(1, 1)
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pos = pos / 2
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# Convert pos to be in range of the viewport
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pos.x *= viewport.size.x
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pos.y *= viewport.size.y
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# Set the position in event
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event.position = pos
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event.global_position = pos
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if (prev_pos == null):
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prev_pos = pos
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if (event is InputEventMouseMotion):
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event.relative = pos - prev_pos
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prev_pos = pos
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# Send the event to the viewport
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viewport.input(event)
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func _ready():
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viewport = get_node("Viewport")
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get_node("Area").connect("input_event", self, "_on_area_input_event")
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