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217 lines
9.4 KiB
C#
217 lines
9.4 KiB
C#
using UnityEngine;
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using System.Collections;
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using RootMotion;
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namespace RootMotion.FinalIK {
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/// <summary>
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/// The target of an effector in the InteractionSystem.
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/// </summary>
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[HelpURL("https://www.youtube.com/watch?v=r5jiZnsDH3M")]
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[AddComponentMenu("Scripts/RootMotion.FinalIK/Interaction System/Interaction Target")]
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public class InteractionTarget : MonoBehaviour {
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[System.Serializable]
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public enum RotationMode
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{
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TwoDOF = 0,
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ThreeDOF = 1
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}
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// Open the User Manual URL
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[ContextMenu("User Manual")]
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void OpenUserManual()
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{
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Application.OpenURL("http://www.root-motion.com/finalikdox/html/page10.html");
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}
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// Open the Script Reference URL
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[ContextMenu("Scrpt Reference")]
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void OpenScriptReference()
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{
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Application.OpenURL("http://www.root-motion.com/finalikdox/html/class_root_motion_1_1_final_i_k_1_1_interaction_target.html");
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}
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// Open a video tutorial video
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[ContextMenu("TUTORIAL VIDEO (PART 1: BASICS)")]
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void OpenTutorial1() {
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Application.OpenURL("https://www.youtube.com/watch?v=r5jiZnsDH3M");
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}
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// Open a video tutorial video
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[ContextMenu("TUTORIAL VIDEO (PART 2: PICKING UP...)")]
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void OpenTutorial2() {
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Application.OpenURL("https://www.youtube.com/watch?v=eP9-zycoHLk");
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}
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// Open a video tutorial video
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[ContextMenu("TUTORIAL VIDEO (PART 3: ANIMATION)")]
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void OpenTutorial3() {
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Application.OpenURL("https://www.youtube.com/watch?v=sQfB2RcT1T4&index=14&list=PLVxSIA1OaTOu8Nos3CalXbJ2DrKnntMv6");
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}
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// Open a video tutorial video
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[ContextMenu("TUTORIAL VIDEO (PART 4: TRIGGERS)")]
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void OpenTutorial4() {
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Application.OpenURL("https://www.youtube.com/watch?v=-TDZpNjt2mk&index=15&list=PLVxSIA1OaTOu8Nos3CalXbJ2DrKnntMv6");
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}
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// Link to the Final IK Google Group
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[ContextMenu("Support Group")]
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void SupportGroup() {
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Application.OpenURL("https://groups.google.com/forum/#!forum/final-ik");
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}
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// Link to the Final IK Asset Store thread in the Unity Community
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[ContextMenu("Asset Store Thread")]
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void ASThread() {
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Application.OpenURL("http://forum.unity3d.com/threads/final-ik-full-body-ik-aim-look-at-fabrik-ccd-ik-1-0-released.222685/");
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}
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/// <summary>
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/// Multiplies the value of a weight curve for this effector target.
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/// </summary>
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[System.Serializable]
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public class Multiplier {
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/// <summary>
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/// The curve type (InteractionObject.WeightCurve.Type).
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/// </summary>
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[Tooltip("The curve type (InteractionObject.WeightCurve.Type).")]
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public InteractionObject.WeightCurve.Type curve;
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/// <summary>
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/// Multiplier of the curve's value.
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/// </summary>
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[Tooltip("Multiplier of the curve's value.")]
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public float multiplier;
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}
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/// <summary>
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/// The type of the FBBIK effector.
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/// </summary>
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[Tooltip("The type of the FBBIK effector.")]
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public FullBodyBipedEffector effectorType;
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/// <summary>
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/// InteractionObject weight curve multipliers for this effector target.
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/// </summary>
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[Tooltip("InteractionObject weight curve multipliers for this effector target.")]
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public Multiplier[] multipliers;
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/// <summary>
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/// The interaction speed multiplier for this effector. This can be used to make interactions faster/slower for specific effectors.
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/// </summary>
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[Tooltip("The interaction speed multiplier for this effector. This can be used to make interactions faster/slower for specific effectors.")]
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public float interactionSpeedMlp = 1f;
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/// <summary>
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/// The pivot to twist/swing this interaction target about. For symmetric objects that can be interacted with from a certain angular range.
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/// </summary>
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[Tooltip("The pivot to twist/swing this interaction target about. For symmetric objects that can be interacted with from a certain angular range.")]
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public Transform pivot;
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/// <summary>
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/// 2 or 3 degrees of freedom to match this InteractionTarget's rotation to the effector bone rotation.
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/// </summary>
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[Tooltip("2 or 3 degrees of freedom to match this InteractionTarget's rotation to the effector bone rotation.")]
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public RotationMode rotationMode;
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/// <summary>
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/// The axis of twisting the interaction target.
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/// </summary>
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[Tooltip("The axis of twisting the interaction target (blue line).")]
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public Vector3 twistAxis = Vector3.up;
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/// <summary>
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/// The weight of twisting the interaction target towards the effector bone in the start of the interaction.
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/// </summary>
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[Tooltip("The weight of twisting the interaction target towards the effector bone in the start of the interaction.")]
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public float twistWeight = 1f;
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/// <summary>
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/// The weight of swinging the interaction target towards the effector bone in the start of the interaction. Swing is defined as a 3-DOF rotation around any axis, while twist is only around the twist axis.
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/// </summary>
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[Tooltip("The weight of swinging the interaction target towards the effector bone in the start of the interaction. Swing is defined as a 3-DOF rotation around any axis, while twist is only around the twist axis.")]
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public float swingWeight;
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/// <summary>
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/// The weight of rotating this InteractionTarget to the effector bone in the start of the interaction (and during if 'Rotate Once' is disabled
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/// </summary>
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[Tooltip("The weight of rotating this InteractionTarget to the effector bone in the start of the interaction (and during if 'Rotate Once' is disabled")]
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[Range(0f, 1f)] public float threeDOFWeight = 1f;
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/// <summary>
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/// If true, will twist/swing around the pivot only once at the start of the interaction. If false, will continue rotating throuout the whole interaction.
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/// </summary>
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[Tooltip("If true, will twist/swing around the pivot only once at the start of the interaction. If false, will continue rotating throuout the whole interaction.")]
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public bool rotateOnce = true;
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/// <summary>
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/// Will not set HandPoser's pose target and allows you to use a pose target from a previous interaction if disabled.
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/// </summary>
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[Tooltip("Will not set HandPoser's pose target and allows you to use a pose target from a previous interaction if disabled.")]
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public bool usePoser = true;
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/// <summary>
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/// Used only together with UniversalPoser. List of bones must match UniversalPoser's list of bones in both array size and hierarchy.
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/// </summary>
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[Tooltip("Used only together with UniversalPoser. List of bones must match UniversalPoser's list of bones in both array size and hierarchy.")]
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public Transform[] bones = new Transform[0];
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private Quaternion defaultLocalRotation;
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private Transform lastPivot;
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// Should a curve of the Type be ignored for this effector?
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public float GetValue(InteractionObject.WeightCurve.Type curveType) {
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for (int i = 0; i < multipliers.Length; i++) if (multipliers[i].curve == curveType) return multipliers[i].multiplier;
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return 1f;
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}
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// Reset the twist and swing rotation of the target
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public void ResetRotation() {
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if (pivot != null) pivot.localRotation = defaultLocalRotation;
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}
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// Rotate this target towards a position
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public void RotateTo(Transform bone) {
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if (pivot == null) return;
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if (pivot != lastPivot) {
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defaultLocalRotation = pivot.localRotation;
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lastPivot = pivot;
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}
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// Rotate to the default local rotation
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pivot.localRotation = defaultLocalRotation;
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switch (rotationMode)
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{
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case RotationMode.TwoDOF:
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// Twisting around the twist axis
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if (twistWeight > 0f)
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{
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Vector3 targetTangent = transform.position - pivot.position;
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Vector3 n = pivot.rotation * twistAxis;
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Vector3 normal = n;
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Vector3.OrthoNormalize(ref normal, ref targetTangent);
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normal = n;
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Vector3 direction = bone.position - pivot.position;
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Vector3.OrthoNormalize(ref normal, ref direction);
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Quaternion q = QuaTools.FromToAroundAxis(targetTangent, direction, n);
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pivot.rotation = Quaternion.Lerp(Quaternion.identity, q, twistWeight) * pivot.rotation;
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}
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// Swinging freely
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if (swingWeight > 0f)
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{
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Quaternion s = Quaternion.FromToRotation(transform.position - pivot.position, bone.position - pivot.position);
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pivot.rotation = Quaternion.Lerp(Quaternion.identity, s, swingWeight) * pivot.rotation;
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}
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break;
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case RotationMode.ThreeDOF:
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// Free rotation around all axes
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if (threeDOFWeight <= 0f) break;
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Quaternion fromTo = QuaTools.FromToRotation(transform.rotation, bone.rotation);
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if (threeDOFWeight >= 1f)
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{
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pivot.rotation = fromTo * pivot.rotation;
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} else
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{
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pivot.rotation = Quaternion.Slerp(Quaternion.identity, fromTo, threeDOFWeight) * pivot.rotation;
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}
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break;
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}
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}
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}
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}
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