public static WaterMeshData GenerateTerrainMesh(float[,] heightMap, float heightmultiplier)
{
int width = heightMap.GetLength(0);
int height = heightMap.GetLength(1);
float topLeftX = (width - 1) / -2f;
float topLeftZ = (height - 1) / 2f;
WaterMeshData meshData = new WaterMeshData(width, height);
int vertexIndex = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
meshData.vertices [vertexIndex] = new Vector3(topLeftX + x, heightMap [x, y] * heightmultiplier, topLeftZ - y);
meshData.uvs [vertexIndex] = new Vector2(x / (float)width, y / (float)height);
if (x < width - 1 && y < height - 1)
{
meshData.AddTriangle(vertexIndex, vertexIndex + width + 1, vertexIndex + width);
meshData.AddTriangle(vertexIndex + width + 1, vertexIndex, vertexIndex + 1);
}
vertexIndex++;
}
}
return(meshData);
}
public void DrawMesh(WaterMeshData meshData, Texture2D texture)
{
meshFilter.sharedMesh = meshData.CreateMesh();
meshRenderer.sharedMaterial.mainTexture = texture;
}
