30 lines
661 B
GDScript
30 lines
661 B
GDScript
extends Camera3D
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@export var pixelScale:float = 1.0;
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@export var follow:Node3D;
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const WORLD_UNITS:float = 32.0;
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func _ready() -> void:
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pass
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func _process(delta: float) -> void:
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# I tried a few things but this is most consistent for both backbuffer and
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# framebuffer viewports.
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var viewportHeight = get_viewport().get_visible_rect().size.y;
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var unitScale = pixelScale * WORLD_UNITS;
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var z:float = (
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tan((deg_to_rad(180) - deg_to_rad(fov)) / 2.0) *
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(viewportHeight / 2.0)
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) / unitScale;
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var look = follow.position;
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var position = Vector3(0, 0, 2) + look;
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look_at_from_position(
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Vector3(position.x, position.y + z, position.z),
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look
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);
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