45 lines
1.7 KiB
C#
45 lines
1.7 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 Floater : MonoBehaviour
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{
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public GerstnerWave waveGenerator;
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public float boatOffset = 0.0f; // new variable
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private Rigidbody rb;
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private void Start()
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{
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rb = GetComponent<Rigidbody>();
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}
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void Update()
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{
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float waveNumber = 2.0f * Mathf.PI / waveGenerator.waveLength;
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float phaseConstant = waveGenerator.speed * waveNumber;
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// Convert the boat's world position to the wave's local position
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Vector3 localPosition = waveGenerator.transform.InverseTransformPoint(rb.position);
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float dotProduct = Vector2.Dot(new Vector2(localPosition.x, localPosition.z), waveGenerator.direction);
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float wavePhase = waveNumber * dotProduct + phaseConstant * Time.time;
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// Calculate the new height
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float newY = waveGenerator.amplitude * Mathf.Sin(wavePhase) + boatOffset;
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localPosition.y = newY;
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// Convert the position back to world coordinates
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rb.MovePosition(waveGenerator.transform.TransformPoint(localPosition));
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// Calculate the wave's normal at the boat's position
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Vector3 normal = new Vector3(
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-waveGenerator.amplitude * waveNumber * waveGenerator.direction.x * Mathf.Cos(wavePhase),
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1.0f,
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-waveGenerator.amplitude * waveNumber * waveGenerator.direction.y * Mathf.Cos(wavePhase)
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).normalized;
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// Rotate the boat to align with the wave's normal
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Quaternion targetRotation = Quaternion.FromToRotation(transform.up, normal) * transform.rotation;
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rb.MoveRotation(Quaternion.Slerp(transform.rotation, targetRotation, Time.deltaTime * waveGenerator.speed));
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}
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} |