70 lines
2.5 KiB
C#
70 lines
2.5 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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[RequireComponent(typeof(CharacterController))]
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public class PlayerController : MonoBehaviour {
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public float MovementSpeed;
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public float JumpVelocity;
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[Tooltip("How long after falling off a ledge can the player still jump?")]
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public float JumpGracePeriod;
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[Tooltip("Lower values make the movement feel floatier.")]
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public float Antislipperiness = 1;
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[Tooltip("Lower values make the movement feel floatier in air.")]
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public float AntislipperinessInAir = 1;
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[Header("Runtime values")]
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public bool Grounded;
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private CharacterController Character;
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private Vector3 GroundVelocity = new Vector3();
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private float FallingVelocity;
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private float LastGroundedTime;
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private void Awake() {
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Character = GetComponent<CharacterController>();
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}
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private void Start() {
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LastGroundedTime = -JumpGracePeriod;
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Grounded = false;
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}
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private void Update() {
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// Groundedness stuff and gravity
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if (Character.isGrounded) {
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FallingVelocity = Mathf.Max(0, FallingVelocity);
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LastGroundedTime = Time.time;
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} else {
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FallingVelocity += Physics.gravity.y * Time.deltaTime;
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}
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Grounded = Time.time - LastGroundedTime <= JumpGracePeriod && FallingVelocity <= 0;
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// Jumping
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if (Input.GetButton("Jump") && Grounded) {
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FallingVelocity = JumpVelocity;
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Grounded = false;
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}
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float SlippyFactor = Grounded ? Antislipperiness : AntislipperinessInAir;
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// Subtract friction
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float FrictionFactor = Mathf.Max(GroundVelocity.magnitude, 1);
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float Friction = Mathf.Min(GroundVelocity.magnitude, FrictionFactor * SlippyFactor * Time.deltaTime);
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GroundVelocity -= Friction * GroundVelocity.normalized;
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// Add player input momentum
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float TargetSpeed = MovementSpeed; // Tweak this to enable running or stuff
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Vector3 Move = transform.forward * Input.GetAxis("Vertical") + transform.right * Input.GetAxis("Horizontal");
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if (Move.magnitude > 0) {
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float CurrentSpeed = Vector3.Dot(Move, GroundVelocity);
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float SpeedDiff = TargetSpeed - CurrentSpeed;
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float Acceleration = Mathf.Min(SpeedDiff, TargetSpeed * SlippyFactor * Time.deltaTime);
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GroundVelocity += Move * Acceleration;
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}
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Character.Move((GroundVelocity + FallingVelocity * Vector3.up) * Time.deltaTime);
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}
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}
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