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| using System.Collections; | |
| using System.Collections.Generic; | |
| using UnityEngine; | |
| public class PlayerController : MonoBehaviour { | |
| public float speed = 10; | |
| public float frequency = 1; | |
| public FootTarget leftFoot; | |
| public FootTarget rightFoot; | |
| public float speedInfluence; | |
| public float scaleLegHigh = 1; | |
| public float lengthStep = 2; | |
| public float ratioAnim = 0.3f; | |
| float distance = 0; | |
| // Use this for initialization | |
| void Start () { | |
| } | |
| // Update is called once per frame | |
| void Update () { | |
| var axes = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical")); | |
| Vector3 delta = axes * speed; | |
| transform.position += delta * Time.deltaTime; | |
| var power = Vector3.Dot(transform.forward, axes.normalized); | |
| transform.forward = axes; | |
| var influencedTravel = delta.magnitude * Mathf.Clamp01(1 - delta.magnitude / speed * speedInfluence) * power; | |
| distance += Time.deltaTime * influencedTravel; | |
| if (delta.magnitude>0.5f) { | |
| UpdateFoot(distance, 1+influencedTravel, leftFoot); | |
| UpdateFoot(distance + frequency * 0.5f, influencedTravel, rightFoot); | |
| } else { | |
| SetFoot(leftFoot.item, GetFootPosition(leftFoot.offset), GetFootPosition(leftFoot.origin)); | |
| leftFoot.previousPoint = GetFootPosition(leftFoot.offset); | |
| leftFoot.endPoint = GetFootPosition(leftFoot.offset); | |
| SetFoot(rightFoot.item, GetFootPosition(rightFoot.offset), GetFootPosition(rightFoot.origin)); | |
| rightFoot.previousPoint = GetFootPosition(rightFoot.offset); | |
| rightFoot.endPoint = GetFootPosition(rightFoot.offset); | |
| } | |
| } | |
| void UpdateFoot(float distance, float forward, FootTarget target) { | |
| var alpha = distance / frequency; | |
| var currentCount = Mathf.Floor(alpha); | |
| if (currentCount!= target.count) { | |
| target.previousPoint = target.endPoint; | |
| target.endPoint = GetFootPosition(target.offset + Vector3.forward * forward * lengthStep*(1+ratioAnim)); | |
| } | |
| var t = Mathf.Clamp01(Mathf.InverseLerp(0, ratioAnim, alpha%1)); | |
| SetFoot(target.item, Vector3.Lerp(target.previousPoint, target.endPoint, t) + Vector3.up * Mathf.Sin(t*Mathf.PI) * scaleLegHigh, GetFootPosition(target.origin)); | |
| target.count = currentCount; | |
| } | |
| void SetFoot(Transform item, Vector3 end, Vector3 start) { | |
| var dir = (start - end).normalized; | |
| var scale = (start - end).magnitude; | |
| var midpoint = (start + end) * 0.5f; | |
| item.position = midpoint; | |
| item.localRotation = Quaternion.LookRotation(dir, Vector3.up); | |
| item.localScale = new Vector3(0.3f, 0.3f, scale); | |
| } | |
| Vector3 GetFootPosition(Vector3 offset) { | |
| return transform.position + transform.TransformVector(offset); | |
| } | |
| [System.Serializable] | |
| public class FootTarget { | |
| public Vector3 offset; | |
| public Vector3 origin; | |
| public float count; | |
| public Transform item; | |
| public Vector3 endPoint; | |
| public Vector3 previousPoint; | |
| } | |
| } |
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