57 lines
2.1 KiB
C#
57 lines
2.1 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace BNG {
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// This is a wobble effect based on Minions Art Tutorial found : https://www.patreon.com/posts/quick-game-art-18245226
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public class LiquidWobble : MonoBehaviour {
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Renderer rend;
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Vector3 lastPos;
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Vector3 velocity;
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Vector3 lastRot;
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Vector3 angularVelocity;
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public float MaxWobble = 0.03f;
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public float WobbleSpeed = 1f;
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public float Recovery = 1f;
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float wobbleAmountX;
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float wobbleAmountZ;
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float wobbleAmountToAddX;
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float wobbleAmountToAddZ;
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float pulse;
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float time = 0.5f;
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void Start() {
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rend = GetComponent<Renderer>();
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}
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private void Update() {
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time += Time.deltaTime;
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// decrease wobble over time
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wobbleAmountToAddX = Mathf.Lerp(wobbleAmountToAddX, 0, Time.deltaTime * (Recovery));
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wobbleAmountToAddZ = Mathf.Lerp(wobbleAmountToAddZ, 0, Time.deltaTime * (Recovery));
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// make a sine wave of the decreasing wobble
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pulse = 2 * Mathf.PI * WobbleSpeed;
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wobbleAmountX = wobbleAmountToAddX * Mathf.Sin(pulse * time);
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wobbleAmountZ = wobbleAmountToAddZ * Mathf.Sin(pulse * time);
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// send it to the shader
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rend.material.SetFloat("_WobbleX", wobbleAmountX);
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rend.material.SetFloat("_WobbleZ", wobbleAmountZ);
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// velocity
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velocity = (lastPos - transform.position) / Time.deltaTime;
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angularVelocity = transform.rotation.eulerAngles - lastRot;
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// add clamped velocity to wobble
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wobbleAmountToAddX += Mathf.Clamp((velocity.x + (angularVelocity.z * 0.2f)) * MaxWobble, -MaxWobble, MaxWobble);
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wobbleAmountToAddZ += Mathf.Clamp((velocity.z + (angularVelocity.x * 0.2f)) * MaxWobble, -MaxWobble, MaxWobble);
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// keep last position
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lastPos = transform.position;
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lastRot = transform.rotation.eulerAngles;
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}
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}
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}
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