57 lines
1.9 KiB
C#
57 lines
1.9 KiB
C#
using UnityEngine;
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public class PlayerMovement : MonoBehaviour {
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[SerializeField]
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public float acceleration = 3;
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[SerializeField]
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public float friction = 0.1f;
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[SerializeField]
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public float turnSpeed = 2;
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[SerializeField]
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public float drift = 1f;
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[SerializeField]
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public float brake = 2f;
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Rigidbody2D rigidbody2D;
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// Use this for initialization
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void Start() {
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rigidbody2D = GetComponent<Rigidbody2D>();
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}
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void Update() {
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Vector3 speedVec = new Vector3(rigidbody2D.velocity.x, rigidbody2D.velocity.y, 0);
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float speed = speedVec.magnitude;
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{ // Forward
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rigidbody2D.AddForce(transform.up * acceleration);
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}
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{// Drag
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Vector3 drag = speedVec.normalized * speed * speed * friction * -1;
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if (Input.GetKey(KeyCode.S))
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drag *= brake;
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rigidbody2D.AddForce(drag);
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Debug.DrawLine(transform.position, transform.position + drag, Color.cyan, 0.01f, false);
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}
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{ // Drift
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Vector3 forwardNorm = (transform.localRotation * Vector3.up).normalized * speedVec.magnitude;
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Vector3 br = forwardNorm - speedVec;
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br *= drift;
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rigidbody2D.AddForce(br);
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//Debug.Log(br);
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Debug.DrawLine(transform.position, transform.position + br, Color.red, 0.01f, false);
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}
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if (Input.GetKey(KeyCode.A))
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transform.Rotate(Vector3.forward * turnSpeed);
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if (Input.GetKey(KeyCode.D))
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transform.Rotate(Vector3.forward * -turnSpeed);
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// Debug lines
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Debug.DrawLine(transform.position, transform.position + speedVec, Color.magenta, 0.01f, false);
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Debug.DrawLine(transform.position, transform.position + transform.localRotation * Vector3.up, Color.yellow, 0.01f, false);
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//Debug.Log(transform.localRotation.eulerAngles);
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//Debug.Log(transform.localRotation * Vector3.up);
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//Debug.Log(curspeed);
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}
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}
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