30 lines
773 B
GDScript
30 lines
773 B
GDScript
class_name PlayerCamera extends Node
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const CAMERA_PIXELS_PER_UNIT = 1.0
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const CAMERA_PIXEL_SCALE = 1.0
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@export var camera:Camera3D = null
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@export var target:Node3D = null
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@export var offset:Vector3 = Vector3(0, 0, 12)
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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 = CAMERA_PIXEL_SCALE * CAMERA_PIXELS_PER_UNIT;
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var z:float = (
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tan((deg_to_rad(180) - deg_to_rad(camera.fov)) / 2.0) *
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(viewportHeight / 2.0)
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) / unitScale;
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var look = target.global_position;
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var position = offset + look;
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camera.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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pass
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