57 lines
1.6 KiB
GDScript
57 lines
1.6 KiB
GDScript
extends Camera
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export(NodePath) var follow_target_path = null
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export var target_distance: float = 3.0
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export var target_height: float = 2.0
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var follow_target: Node = null
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var last_lookat: Vector3
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var target_angle_horizontal = 0
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var target_angle_vertical = 0
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# Called when the node enters the scene tree for the first time.
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func _ready():
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follow_target = get_node(follow_target_path)
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last_lookat = follow_target.global_transform.origin
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func _physics_process(delta):
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var delta_v = global_transform.origin - follow_target.global_transform.origin
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var target_pos = global_transform.origin
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delta_v.y = 0.0
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if delta_v.length() > target_distance:
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delta_v = delta_v.normalized() * target_distance
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delta_v.y = target_height
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target_pos = follow_target.global_transform.origin + delta_v
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else:
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target_pos.y = follow_target.global_transform.origin.y + target_height
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last_lookat = last_lookat.linear_interpolate(
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follow_target.global_transform.origin, delta * 20.0
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)
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var original_diff = target_pos - follow_target.global_transform.origin
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var rotation_adjustment = (
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original_diff.rotated(Vector3.DOWN, target_angle_horizontal).rotated(
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Vector3.LEFT, target_angle_vertical
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)
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- original_diff
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)
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target_pos += rotation_adjustment
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global_transform.origin = global_transform.origin.linear_interpolate(target_pos, delta * 20.0)
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look_at(last_lookat, Vector3(0.0, 1.0, 0.0))
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func reset() -> void:
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pass
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func update_rotation(horizontal: float, vertical: float) -> void:
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target_angle_horizontal = horizontal * deg2rad(90)
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target_angle_vertical = vertical * deg2rad(90)
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