225 lines
12 KiB
C#
225 lines
12 KiB
C#
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#if !CINEMACHINE_NO_CM2_SUPPORT
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using UnityEngine;
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using System;
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using Unity.Cinemachine.TargetTracking;
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namespace Unity.Cinemachine
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{
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/// <summary>
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/// This is a deprecated component. Use CinemachineOrbitalFollow instead.
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/// </summary>
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[Obsolete("CinemachineTransposer has been deprecated. Use CinemachineFollow instead")]
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[AddComponentMenu("")] // Don't display in add component menu
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[SaveDuringPlay]
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[CameraPipeline(CinemachineCore.Stage.Body)]
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public class CinemachineTransposer : CinemachineComponentBase
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{
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/// <summary>The coordinate space to use when interpreting the offset from the target</summary>
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[Tooltip("The coordinate space to use when interpreting the offset from the target. This is also "
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+ "used to set the camera's Up vector, which will be maintained when aiming the camera.")]
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public BindingMode m_BindingMode = BindingMode.LockToTargetWithWorldUp;
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/// <summary>The distance which the transposer will attempt to maintain from the transposer subject</summary>
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[Tooltip("The distance vector that the transposer will attempt to maintain from the Follow target")]
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public Vector3 m_FollowOffset = Vector3.back * 10f;
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/// <summary>How aggressively the camera tries to maintain the offset in the X-axis.
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/// Small numbers are more responsive, rapidly translating the camera to keep the target's
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/// x-axis offset. Larger numbers give a more heavy slowly responding camera.
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/// Using different settings per axis can yield a wide range of camera behaviors</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to maintain the offset in the X-axis. Small numbers "
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+ "are more responsive, rapidly translating the camera to keep the target's x-axis offset. "
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+ "Larger numbers give a more heavy slowly responding camera. Using different settings per "
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+ "axis can yield a wide range of camera behaviors.")]
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public float m_XDamping = 1f;
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/// <summary>How aggressively the camera tries to maintain the offset in the Y-axis.
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/// Small numbers are more responsive, rapidly translating the camera to keep the target's
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/// y-axis offset. Larger numbers give a more heavy slowly responding camera.
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/// Using different settings per axis can yield a wide range of camera behaviors</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to maintain the offset in the Y-axis. Small numbers "
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+ "are more responsive, rapidly translating the camera to keep the target's y-axis offset. "
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+ "Larger numbers give a more heavy slowly responding camera. Using different settings per "
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+ "axis can yield a wide range of camera behaviors.")]
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public float m_YDamping = 1f;
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/// <summary>How aggressively the camera tries to maintain the offset in the Z-axis.
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/// Small numbers are more responsive, rapidly translating the camera to keep the
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/// target's z-axis offset. Larger numbers give a more heavy slowly responding camera.
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/// Using different settings per axis can yield a wide range of camera behaviors</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to maintain the offset in the Z-axis. "
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+ "Small numbers are more responsive, rapidly translating the camera to keep the "
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+ "target's z-axis offset. Larger numbers give a more heavy slowly responding camera. "
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+ "Using different settings per axis can yield a wide range of camera behaviors.")]
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public float m_ZDamping = 1f;
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/// <summary>How to calculate the angular damping for the target orientation.
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/// Use Quaternion if you expect the target to take on very steep pitches, which would
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/// be subject to gimbal lock if Eulers are used.</summary>
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public AngularDampingMode m_AngularDampingMode = AngularDampingMode.Euler;
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/// <summary>How aggressively the camera tries to track the target rotation's X angle.
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/// Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to track the target rotation's X angle. "
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+ "Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.")]
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public float m_PitchDamping = 0;
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/// <summary>How aggressively the camera tries to track the target rotation's Y angle.
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/// Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to track the target rotation's Y angle. "
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+ "Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.")]
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public float m_YawDamping = 0;
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/// <summary>How aggressively the camera tries to track the target rotation's Z angle.
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/// Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to track the target rotation's Z angle. "
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+ "Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.")]
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public float m_RollDamping = 0f;
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/// <summary>How aggressively the camera tries to track the target's orientation.
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/// Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.</summary>
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[Range(0f, 20f)]
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[Tooltip("How aggressively the camera tries to track the target's orientation. "
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+ "Small numbers are more responsive. Larger numbers give a more heavy slowly responding camera.")]
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public float m_AngularDamping = 0f;
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/// <summary>
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/// Helper object that tracks the Follow target, with damping
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/// </summary>
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Tracker m_TargetTracker;
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/// <summary>Get the damping settings</summary>
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protected TrackerSettings TrackerSettings => new TrackerSettings
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{
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BindingMode = m_BindingMode,
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PositionDamping = new Vector3(m_XDamping, m_YDamping, m_ZDamping),
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RotationDamping = new Vector3(m_PitchDamping, m_YawDamping, m_RollDamping),
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AngularDampingMode = m_AngularDampingMode,
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QuaternionDamping = m_AngularDamping
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};
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/// <summary>Derived classes should call this from their OnValidate() implementation</summary>
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protected virtual void OnValidate()
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{
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m_FollowOffset = EffectiveOffset;
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}
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/// <summary>Hide the offset in int inspector. Used by FreeLook.</summary>
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internal bool HideOffsetInInspector { get; set; }
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/// <summary>Get the target offset, with sanitization</summary>
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public Vector3 EffectiveOffset
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{
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get
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{
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Vector3 offset = m_FollowOffset;
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if (m_BindingMode == BindingMode.LazyFollow)
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{
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offset.x = 0;
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offset.z = -Mathf.Abs(offset.z);
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}
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return offset;
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}
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}
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/// <summary>True if component is enabled and has a valid Follow target</summary>
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public override bool IsValid { get { return enabled && FollowTarget != null; } }
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/// <summary>Get the Cinemachine Pipeline stage that this component implements.
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/// Always returns the Body stage</summary>
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public override CinemachineCore.Stage Stage { get { return CinemachineCore.Stage.Body; } }
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/// <summary>
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/// Report maximum damping time needed for this component.
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/// </summary>
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/// <returns>Highest damping setting in this component</returns>
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public override float GetMaxDampTime() => TrackerSettings.GetMaxDampTime();
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/// <summary>Positions the virtual camera according to the transposer rules.</summary>
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/// <param name="curState">The current camera state</param>
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/// <param name="deltaTime">Used for damping. If less than 0, no damping is done.</param>
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public override void MutateCameraState(ref CameraState curState, float deltaTime)
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{
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m_TargetTracker.InitStateInfo(this, deltaTime, m_BindingMode, Vector3.zero, curState.ReferenceUp);
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if (IsValid)
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{
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Vector3 offset = EffectiveOffset;
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m_TargetTracker.TrackTarget(
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this, deltaTime, curState.ReferenceUp, offset, TrackerSettings, Vector3.zero, ref curState,
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out Vector3 pos, out Quaternion orient);
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offset = orient * offset;
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curState.ReferenceUp = orient * Vector3.up;
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// Respect minimum target distance on XZ plane
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var targetPosition = FollowTargetPosition;
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pos += m_TargetTracker.GetOffsetForMinimumTargetDistance(
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this, pos, offset, curState.RawOrientation * Vector3.forward,
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curState.ReferenceUp, targetPosition);
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curState.RawPosition = pos + offset;
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}
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}
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/// <summary>This is called to notify the user that a target got warped,
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/// so that we can update its internal state to make the camera
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/// also warp seamlessly.</summary>
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/// <param name="target">The object that was warped</param>
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/// <param name="positionDelta">The amount the target's position changed</param>
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public override void OnTargetObjectWarped(Transform target, Vector3 positionDelta)
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{
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base.OnTargetObjectWarped(target, positionDelta);
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if (target == FollowTarget)
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m_TargetTracker.OnTargetObjectWarped(positionDelta);
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}
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/// <summary>
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/// Force the virtual camera to assume a given position and orientation
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/// </summary>
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/// <param name="pos">Worldspace position to take</param>
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/// <param name="rot">Worldspace orientation to take</param>
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public override void ForceCameraPosition(Vector3 pos, Quaternion rot)
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{
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base.ForceCameraPosition(pos, rot);
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var state = VcamState;
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state.RawPosition = pos;
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state.RawOrientation = rot;
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state.PositionCorrection = Vector3.zero;
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state.OrientationCorrection = Quaternion.identity;
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m_TargetTracker.OnForceCameraPosition(this, m_BindingMode, Vector3.zero, ref state);
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}
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internal Quaternion GetReferenceOrientation(Vector3 up)
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{
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var state = VcamState;
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return m_TargetTracker.GetReferenceOrientation(this, m_BindingMode, Vector3.zero, up, ref state);
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}
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/// <summary>Internal API for the Inspector Editor, so it can draw a marker at the target</summary>
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/// <param name="worldUp">Current effective world up</param>
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/// <returns>The position of the Follow target</returns>
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internal virtual Vector3 GetTargetCameraPosition(Vector3 worldUp)
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{
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if (!IsValid)
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return Vector3.zero;
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var state = VcamState;
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return FollowTargetPosition + m_TargetTracker.GetReferenceOrientation(
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this, m_BindingMode, Vector3.zero, worldUp, ref state) * EffectiveOffset;
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}
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// Helper to upgrade to CM3
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internal void UpgradeToCm3(CinemachineFollow c)
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{
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c.FollowOffset = m_FollowOffset;
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c.TrackerSettings = TrackerSettings;
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}
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}
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}
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#endif
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