48 lines
1.0 KiB
C#
48 lines
1.0 KiB
C#
using UnityEngine;
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public class RandomizeAnimatorIntWeighted : StateMachineBehaviour
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{
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[Header("Animator parameter name (must be int type)")]
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public string parameterName = "Randomized";
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[Header("Weights for each slot (index = int value)")]
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public int[] weights = { 35, 35, 15, 15 };
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// Example: {70, 20, 10} means index 0 has 70% chance, 1 has 20%, 2 has 10%
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// Called when the animator enters this state
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public override void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
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{
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if (weights == null || weights.Length == 0)
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{
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return;
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}
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int total = 0;
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foreach (int w in weights)
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{
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total += Mathf.Max(0, w);
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}
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if (total <= 0)
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{
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return;
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}
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int randomValue = Random.Range(0, total);
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int cumulative = 0;
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int chosenIndex = 0;
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for (int i = 0; i < weights.Length; i++)
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{
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cumulative += Mathf.Max(0, weights[i]);
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if (randomValue < cumulative)
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{
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chosenIndex = i;
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break;
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}
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}
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animator.SetFloat(parameterName, (float)chosenIndex);
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}
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} |