96 lines
3.3 KiB
C#
96 lines
3.3 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class Wheel : MonoBehaviour
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{
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public float radius =0.35f;
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public float defaultPosition;
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public float springConstant =1f;
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public ForceMode springForceMode;
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public float displacementRange = 0.1f;
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public float dampningSpeed =0.1f;
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public float hitPoint=0;
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public float curDisplacement => defaultPosition- transform.localPosition.y;
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public float minDisplacement => defaultPosition + displacementRange;
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public float maxDisplacement => defaultPosition - displacementRange;
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LayerMask groundMask;
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public CarController myCar;
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void Awake()
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{
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defaultPosition=transform.localPosition.y;
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groundMask = LayerMask.GetMask("Ground");
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}
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// Update is called once per frame
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void FixedUpdate()
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{
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if(myCar==null){return;}
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RaycastHit hit = new RaycastHit();
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float newDisplacement = transform.localPosition.y;
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float bottomEnd = transform.position.y - radius;
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// hitPoint=0;
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bool grounded=false;
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// if(Physics.Linecast(transform.position+new Vector3(0,0,-0.1f), new Vector3(transform.position.x,bottomEnd,transform.position.z-0.1f), out hit, groundMask)){
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// Debug.DrawLine(transform.position, hit.point, Color.red);
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// hitPoint=hit.point.y;
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// grounded=true;
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// }
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if(Physics.Linecast(transform.position, new Vector3(transform.position.x,bottomEnd,transform.position.z), out hit, groundMask)){
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Debug.DrawLine(transform.position, hit.point, Color.red);
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// if(hit.point.y > hitPoint){
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hitPoint=hit.point.y;
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// }
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grounded=true;
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}
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// if(Physics.Linecast(transform.position+new Vector3(0,0,0.1f), new Vector3(transform.position.x,bottomEnd,transform.position.z+0.1f), out hit, groundMask)){
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// Debug.DrawLine(transform.position, hit.point, Color.red);
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// if(hit.point.y > hitPoint){
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// hitPoint=hit.point.y;
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// }
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// grounded=true;
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// }
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if(!grounded){
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newDisplacement = maxDisplacement;
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Debug.Log("Not Touching ground ");
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}else{
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newDisplacement=hitPoint+radius;
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}
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transform.position = Vector3.Lerp(transform.position, new Vector3(transform.position.x,newDisplacement, transform.position.z),dampningSpeed);
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if(curDisplacement < 0){
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//Apply upforce
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}
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myCar.rb.AddForceAtPosition(-Physics.gravity*springConstant,transform.position,springForceMode);
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}
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void OnDrawGizmos() {
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Gizmos.color = Color.green;
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int segmants = 12;
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Vector3 lastPoint= Vector3.zero;
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for(int i=0; i< segmants;i++){
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float theta = ((Mathf.PI*2)/segmants) * i;
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float z= transform.position.z + (radius * Mathf.Sin(theta));
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float y= transform.position.y +(radius * Mathf.Cos(theta));
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Vector3 thisPoint = new Vector3(transform.position.x,y,z);
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if(i>0){Gizmos.DrawLine(lastPoint,thisPoint);}
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lastPoint = thisPoint;
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}
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Gizmos.DrawWireSphere(new Vector3(transform.position.x,hitPoint,transform.position.z),0.2f);
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}
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}
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