125 lines
4.4 KiB
C#
125 lines
4.4 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace TMPro.Examples
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{
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public class VertexZoom : MonoBehaviour
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{
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public float AngleMultiplier = 1f;
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public float SpeedMultiplier = 1f;
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public float CurveScale = 1f;
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private TMP_Text m_TextComponent;
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private bool hasTextChanged;
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private void Awake()
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{
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m_TextComponent = GetComponent<TMP_Text>();
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}
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private void OnEnable()
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{
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TMPro_EventManager.TEXT_CHANGED_EVENT.Add(ON_TEXT_CHANGED);
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}
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private void OnDisable()
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{
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TMPro_EventManager.TEXT_CHANGED_EVENT.Remove(ON_TEXT_CHANGED);
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}
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private void Start()
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{
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StartCoroutine(AnimateVertexColors());
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}
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private void ON_TEXT_CHANGED(Object obj)
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{
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if (obj == m_TextComponent)
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{
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hasTextChanged = true;
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}
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}
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private IEnumerator AnimateVertexColors()
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{
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m_TextComponent.ForceMeshUpdate();
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TMP_TextInfo textInfo = m_TextComponent.textInfo;
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TMP_MeshInfo[] cachedMeshInfoVertexData = textInfo.CopyMeshInfoVertexData();
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List<float> modifiedCharScale = new List<float>();
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List<int> scaleSortingOrder = new List<int>();
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hasTextChanged = true;
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while (true)
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{
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if (hasTextChanged)
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{
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cachedMeshInfoVertexData = textInfo.CopyMeshInfoVertexData();
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hasTextChanged = false;
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}
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int characterCount = textInfo.characterCount;
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if (characterCount == 0)
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{
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yield return new WaitForSeconds(0.25f);
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continue;
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}
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modifiedCharScale.Clear();
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scaleSortingOrder.Clear();
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for (int i = 0; i < characterCount; i++)
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{
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TMP_CharacterInfo tMP_CharacterInfo = textInfo.characterInfo[i];
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if (tMP_CharacterInfo.isVisible)
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{
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int materialReferenceIndex = textInfo.characterInfo[i].materialReferenceIndex;
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int vertexIndex = textInfo.characterInfo[i].vertexIndex;
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Vector3[] vertices = cachedMeshInfoVertexData[materialReferenceIndex].vertices;
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Vector2 vector = (vertices[vertexIndex] + vertices[vertexIndex + 2]) / 2f;
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Vector3 vector2 = vector;
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Vector3[] vertices2 = textInfo.meshInfo[materialReferenceIndex].vertices;
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vertices2[vertexIndex] = vertices[vertexIndex] - vector2;
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vertices2[vertexIndex + 1] = vertices[vertexIndex + 1] - vector2;
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vertices2[vertexIndex + 2] = vertices[vertexIndex + 2] - vector2;
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vertices2[vertexIndex + 3] = vertices[vertexIndex + 3] - vector2;
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float num = Random.Range(1f, 1.5f);
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modifiedCharScale.Add(num);
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scaleSortingOrder.Add(modifiedCharScale.Count - 1);
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Matrix4x4 matrix = Matrix4x4.TRS(new Vector3(0f, 0f, 0f), Quaternion.identity, Vector3.one * num);
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vertices2[vertexIndex] = matrix.MultiplyPoint3x4(vertices2[vertexIndex]);
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vertices2[vertexIndex + 1] = matrix.MultiplyPoint3x4(vertices2[vertexIndex + 1]);
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vertices2[vertexIndex + 2] = matrix.MultiplyPoint3x4(vertices2[vertexIndex + 2]);
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vertices2[vertexIndex + 3] = matrix.MultiplyPoint3x4(vertices2[vertexIndex + 3]);
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vertices2[vertexIndex] += vector2;
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vertices2[vertexIndex + 1] += vector2;
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vertices2[vertexIndex + 2] += vector2;
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vertices2[vertexIndex + 3] += vector2;
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Vector2[] uvs = cachedMeshInfoVertexData[materialReferenceIndex].uvs0;
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Vector2[] uvs2 = textInfo.meshInfo[materialReferenceIndex].uvs0;
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uvs2[vertexIndex] = uvs[vertexIndex];
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uvs2[vertexIndex + 1] = uvs[vertexIndex + 1];
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uvs2[vertexIndex + 2] = uvs[vertexIndex + 2];
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uvs2[vertexIndex + 3] = uvs[vertexIndex + 3];
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Color32[] colors = cachedMeshInfoVertexData[materialReferenceIndex].colors32;
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Color32[] colors2 = textInfo.meshInfo[materialReferenceIndex].colors32;
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colors2[vertexIndex] = colors[vertexIndex];
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colors2[vertexIndex + 1] = colors[vertexIndex + 1];
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colors2[vertexIndex + 2] = colors[vertexIndex + 2];
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colors2[vertexIndex + 3] = colors[vertexIndex + 3];
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}
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}
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for (int j = 0; j < textInfo.meshInfo.Length; j++)
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{
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scaleSortingOrder.Sort((int a, int b) => modifiedCharScale[a].CompareTo(modifiedCharScale[b]));
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textInfo.meshInfo[j].SortGeometry(scaleSortingOrder);
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textInfo.meshInfo[j].mesh.vertices = textInfo.meshInfo[j].vertices;
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textInfo.meshInfo[j].mesh.uv = textInfo.meshInfo[j].uvs0;
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textInfo.meshInfo[j].mesh.colors32 = textInfo.meshInfo[j].colors32;
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m_TextComponent.UpdateGeometry(textInfo.meshInfo[j].mesh, j);
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}
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yield return new WaitForSeconds(0.1f);
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}
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}
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}
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}
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