69 lines
2.8 KiB
C#
69 lines
2.8 KiB
C#
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using UnityEngine;
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public class WobbleBehavior : MonoBehaviour
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{
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[Header("Wobble Settings")]
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public float wobbleFrequency = 1.5f; // How fast the bottle rocks
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public float baseWobbleAmplitude = 8f; // Max degrees from horizontal
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public float speedToAmplitude = 2f; // How much speed affects amplitude
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public float maxRotationLimit = 45f; // Maximum allowed rotation in degrees
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[Header("Vertical Movement Settings")]
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public float verticalFrequency = 0.5f; // How fast the bottle moves up/down
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public float verticalAmplitude = 0.5f; // How far the bottle moves up/down
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[Header("Smoothing Settings")]
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public float velocitySmoothing = 10f; // How quickly velocity is smoothed
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public float rotationSmoothing = 10f; // How quickly rotation is smoothed
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private Vector3 lastPosition;
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private float wobbleTime;
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private float velocity;
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private Vector3 basePosition;
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private float verticalOffset;
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private float smoothedVelocity;
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private float smoothedAngle;
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public float Velocity => velocity;
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public float VerticalOffset => verticalOffset;
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void Start()
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{
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lastPosition = transform.position;
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smoothedVelocity = 0f;
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smoothedAngle = 0f;
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}
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void Update()
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{
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// Calculate movement speed (exclude vertical wobble from velocity calculation)
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Vector3 horizontalPosition = transform.position;
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horizontalPosition.y = 0f; // Ignore Y for velocity if only horizontal movement matters
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Vector3 horizontalLastPosition = lastPosition;
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horizontalLastPosition.y = 0f;
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velocity = (horizontalPosition - horizontalLastPosition).magnitude / Time.deltaTime;
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lastPosition = transform.position;
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// Smooth velocity to prevent jitter
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smoothedVelocity = Mathf.Lerp(smoothedVelocity, velocity, velocitySmoothing * Time.deltaTime);
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// Wobble amplitude scales with smoothed speed, but always has a base value
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float amplitude = baseWobbleAmplitude + smoothedVelocity * speedToAmplitude;
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amplitude = Mathf.Min(amplitude, maxRotationLimit); // Prevent amplitude from exceeding limit
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// Oscillate around horizontal (0 degrees)
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wobbleTime += Time.deltaTime * wobbleFrequency;
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float targetAngle = Mathf.Sin(wobbleTime) * amplitude;
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targetAngle = Mathf.Clamp(targetAngle, -maxRotationLimit, maxRotationLimit);
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// Smooth the rotation angle
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smoothedAngle = Mathf.Lerp(smoothedAngle, targetAngle, rotationSmoothing * Time.deltaTime);
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// Apply rotation (Z axis for 2D)
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transform.localRotation = Quaternion.Euler(0f, 0f, smoothedAngle);
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// Calculate vertical up/down movement (wave riding) only once
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verticalOffset = Mathf.Sin(wobbleTime * verticalFrequency) * verticalAmplitude;
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}
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}
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