using UnityEngine;using System.Collections;public class Water : MonoBehaviour {Mesh mesh;public int tier = 10;//长度分段private float length = 10;//长private int width = 3;//宽private int hight = 10;//高private Vector3[] vs;//顶点坐标private int[] ts;//顶点序列private Vector2[] newUVs;//UV贴图private Vector3[] newNormals;//法线void Update () {int temp = ((tier + 1) * 8 + 4) * 3;//确定顶点数量vs = new Vector3[temp];ts = new int[temp];newUVs = new Vector2[temp];newNormals = new Vector3[temp];float dis = 2 * Mathf.PI / tier;//两段之差的横坐标int count = 0;for (int i = 0; i < tier; i++) {float pos1 = i * length / tier – length / 2;float pos2 = (i + 1) * length / tier – length / 2;//顶面顶点坐标vs[count] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), width);vs[count + 1] = new Vector3(pos2,Mathf.Sin(Time.time + (i + 1) * dis), -width);vs[count + 2] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), -width);vs[count + 3] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), width);vs[count + 4] = new Vector3(pos2,Mathf.Sin(Time.time + (i + 1) * dis), width);vs[count + 5] = new Vector3(pos2,Mathf.Sin(Time.time + (i + 1) * dis), -width);//顶面法线newNormals[count] = Vector3.Normalize(new Vector3(1,Mathf.Cos(Time.time + i * dis), 0));newNormals[count + 1] = Vector3.Normalize(new Vector3(1,Mathf.Cos(Time.time + (i + 1) * dis), 0));newNormals[count + 2] = Vector3.Normalize(new Vector3(1,Mathf.Cos(Time.time + i * dis), 0));newNormals[count + 3] = Vector3.Normalize(new Vector3(1,Mathf.Cos(Time.time + i * dis), 0));newNormals[count + 4] = Vector3.Normalize(new Vector3(1,Mathf.Cos(Time.time + (i + 1) * dis), 0));newNormals[count + 5] = Vector3.Normalize(new Vector3(1,Mathf.Cos(Time.time + (i + 1) * dis), 0));//前面顶点坐标vs[count + 6] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), -width);vs[count + 7] = new Vector3(pos2,-hight, -width);vs[count + 8] = new Vector3(pos1,-hight, -width);vs[count + 9] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), -width);vs[count + 10] = new Vector3(pos2,Mathf.Sin(Time.time + (i + 1) * dis), -width);vs[count + 11] = new Vector3(pos2,-hight, -width);//前面法线for (int j = 0; j < 6; j++) {newNormals[count + 6 + j] = Vector3.back;}//后面顶点坐标vs[count + 12] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), width);vs[count + 13] = new Vector3(pos1,-hight, width);vs[count + 14] = new Vector3(pos2,-hight, width);vs[count + 15] = new Vector3(pos1,Mathf.Sin(Time.time + i * dis), width);vs[count + 16] = new Vector3(pos2,-hight, width);vs[count + 17] = new Vector3(pos2,Mathf.Sin(Time.time + (i + 1) * dis), width);//后面法线for (int j = 0; j < 6; j++) {newNormals[count + 12 + j] = Vector3.forward;}//下面顶点坐标vs[count + 18] = new Vector3(pos1,-hight, width);vs[count + 19] = new Vector3(pos1,-hight, -width);vs[count + 20] = new Vector3(pos2,-hight, -width);vs[count + 21] = new Vector3(pos1,-hight, width);vs[count + 22] = new Vector3(pos2,-hight, -width);vs[count + 23] = new Vector3(pos2,-hight, width);//下面法线for (int j = 0; j < 6; j++) {newNormals[count + 18 + j] = Vector3.down;}count += 24;}//两侧顶点坐标及法线vs [vs.Length – 12] = new Vector3 (-length / 2, Mathf.Sin (Time.time), width);vs [vs.Length – 11] = new Vector3 (-length / 2, -hight, -width);vs [vs.Length – 10] = new Vector3 (-length / 2, -hight, width);vs [vs.Length – 9] = new Vector3 (-length / 2, Mathf.Sin (Time.time), width);vs [vs.Length – 8] = new Vector3 (-length / 2, Mathf.Sin (Time.time), -width);vs [vs.Length – 7] = new Vector3 (-length / 2, -hight, -width);for (int j = 0; j < 6; j++) {newNormals[vs.Length – 12 + j] = Vector3.left;}vs [vs.Length – 6] = new Vector3 (length / 2, Mathf.Sin (Time.time + tier * dis), width);vs [vs.Length – 5] = new Vector3 (length / 2, -hight, width);vs [vs.Length – 4] = new Vector3 (length / 2, -hight, -width);vs [vs.Length – 3] = new Vector3 (length / 2, Mathf.Sin (Time.time + tier * dis), width);vs [vs.Length – 2] = new Vector3 (length / 2, -hight, -width);vs [vs.Length – 1] = new Vector3 (length / 2, Mathf.Sin (Time.time + tier * dis), -width);for (int j = 0; j < 6; j++) {newNormals[vs.Length – 6 + j] = Vector3.right;}for (int i = 0; i < ts.Length; i++) {//顶点序列赋值ts[i] = i;}mesh = new Mesh();GetComponent<MeshFilter>().mesh = mesh;mesh.vertices = vs;mesh.uv = newUVs;mesh.triangles = ts;mesh.normals = newNormals;}}注：波浪上方的面为曲面，故使用切线求法线。其他面很有规则，，并没有使用叉乘的方法。几何体没有使用UV贴图，newUVs没有赋值。
所以你不懂我的选择，也可以不懂我的难过，
