52 lines
2 KiB
GDScript
52 lines
2 KiB
GDScript
extends Camera3D
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@export var cameraPreview : SplinePath
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@export var followPoint : Node3D
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@export var previewUi : Control
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@export var follow_speed := 10.0
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@export var rotation_speed := 8.0
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@export var total_preview_time := 5.0
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@export var go_to_first_point_time := 2.0
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@export var lerp_speed_preview_coeff := 0.1
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@export var lerp_speed_go_to_first_point_coeff := 0.1
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var t := 0.0
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var is_in_preview := true
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@onready var curve_length := cameraPreview.curve.get_baked_length()
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@onready var path_preview_time := total_preview_time - go_to_first_point_time
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signal preview_ended
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func follow_trans(delta : float, trans : Transform3D, speed_coeff := 1.0) -> void:
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var target_basis = trans.basis
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var current_basis = global_transform.basis
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global_transform.origin = global_transform.origin.lerp(trans.origin, follow_speed * delta * speed_coeff)
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global_transform.basis = current_basis.slerp(target_basis, rotation_speed * delta * speed_coeff)
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func go_to_first_point(delta):
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var trans = cameraPreview.curve.sample_baked_with_rotation(0, true, true)
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var global_trans = (cameraPreview.transform*trans).orthonormalized().rotated_local(Vector3.UP, PI)
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follow_trans(delta, global_trans, lerp_speed_go_to_first_point_coeff)
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func follow_preview_path(delta):
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var pt = t - go_to_first_point_time
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var offset = lerpf(0, curve_length, 1-pt/path_preview_time)
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var trans = cameraPreview.curve.sample_baked_with_rotation(offset, true, true)
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var global_trans = (cameraPreview.transform*trans).orthonormalized().rotated_local(Vector3.UP, PI)
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follow_trans(delta, global_trans, lerp_speed_preview_coeff)
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func _physics_process(delta: float) -> void:
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if is_in_preview && Input.is_action_pressed("skip_intro"):
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t = total_preview_time
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t += delta
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if t < go_to_first_point_time:
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go_to_first_point(delta)
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elif t < total_preview_time:
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follow_preview_path(delta)
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else:
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follow_trans(delta, followPoint.global_transform)
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if is_in_preview:
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is_in_preview = false
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previewUi.queue_free()
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preview_ended.emit()
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