// Start is called before the first frame update
void Start()
{
m_ObjectCollider = GetComponent <PolygonCollider2D>();
fase = 4;
dr = this.gameObject.GetComponent <DrawMesh>();
}
////创建弯曲阴影
////一条贝塞尔
//GameObject CreateMesh(Vector3 from, Vector3 to)
//{
// var bezierMesh = new DrawMesh();
// var bezier = bezierMesh.DrawBezierMesh(from, to - character.right * (focus - character.position).magnitude / 3, to, 0.15f);
// tweenDic.Add(bezier.GetComponentInChildren<MeshRenderer>().material, new TweenInfo("_TilingY"));
// CreateTween(bezier.GetComponentInChildren<MeshRenderer>().material);
// return bezier;
//}
//创建弯曲阴影
GameObject CreateMesh(Vector3 from, Vector3 to)
{
//适配末梢位置在脚下
to = to + (to - from).normalized * 0.04f * (to - from).magnitude;
var bezierMesh = new DrawMesh();
var p11 = from + character.forward * (to - from).magnitude * 1 / 6;
var p12 = to - character.forward * (to - from).magnitude * 1 / 6;
var bezier = bezierMesh.DrawDoubleBezierMesh(from, p11, p12, to, 0.15f);
//物理忽略
bezier.layer = 2;
var mat = bezier.GetComponentInChildren <MeshRenderer>().material;
CreateTween(mat, "_TilingY", 1f, 1f);
return(bezier);
}
public Chunk(float scale, int chunkSize, Material instanceMaterial, Transform viewer)
{
directions = new Vector3[] { new Vector3(-1, 0, 0), new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector3(0, -1, 0), new Vector3(0, 0, 1), new Vector3(0, 0, -1) };
directionsY = new Vector3[] { new Vector3(0, 1, 0), new Vector3(0, 1, 0), new Vector3(0, 0, 1), new Vector3(0, 0, 1), new Vector3(1, 0, 0), new Vector3(1, 0, 0) };
Vector3 axisA = new Vector3(directions[0].y, directions[0].z, directions[0].x);
Vector3 axisB = Vector3.Cross(directions[0], axisA);
this.scale = scale;
this.chunkSize = chunkSize;
this.viewer = viewer;
planetRadius = (chunkSize - 1) * scale / 2;
viewerPosition = viewer.position;
chunkFace = new ChunkFace[6];
chunkFace[0] = new ChunkFace(null, new Vector3(0, 0, planetRadius), this.scale, (chunkSize - 1), viewerPosition, directions[0], directionsY[0]);
chunkFace[1] = new ChunkFace(null, new Vector3(0, 0, -planetRadius), this.scale, (chunkSize - 1), viewerPosition, directions[1], directionsY[1]);
chunkFace[2] = new ChunkFace(null, new Vector3(planetRadius, 0, 0), this.scale, (chunkSize - 1), viewerPosition, directions[2], directionsY[2]);
chunkFace[3] = new ChunkFace(null, new Vector3(-planetRadius, 0, 0), this.scale, (chunkSize - 1), viewerPosition, directions[3], directionsY[3]);
chunkFace[4] = new ChunkFace(null, new Vector3(0, planetRadius, 0), this.scale, (chunkSize - 1), viewerPosition, directions[4], directionsY[4]);
chunkFace[5] = new ChunkFace(null, new Vector3(0, -planetRadius, 0), this.scale, (chunkSize - 1), viewerPosition, directions[5], directionsY[5]);
meshData = MeshGenerator.GenerateTerrainMesh(chunkSize);
meshData.CreateMesh();
drawMesh = new DrawMesh(meshData.GetMesh(), instanceMaterial);
for (int i = 0; i < test; i++)
{
positionsList.AddRange(chunkFace[i].GetPositionList());
directionList.AddRange(chunkFace[i].GetDirectionList());
}
viewedChunkCoord = positionsList.ToArray();
directionArray = directionList.ToArray();
drawMesh.UpdateData(positionsList.Count, viewedChunkCoord, directionArray);
// UpdateChunkMesh();
}
public void Generate()
{
if (blockParent != null)
{
DestroyImmediate(blockParent);
}
if (cornerParent != null)
{
DestroyImmediate(cornerParent);
}
Vector3[,] verticies = new Vector3[xSize, zSize];
GameObject[,] corners = new GameObject[xSize, zSize];
//make a new empty game object for the parents of the corners and blocks
blockParent = new GameObject();
blockParent.transform.name = "Block Parent";
cornerParent = new GameObject();
cornerParent.transform.name = "Corner Parent";
for (int x = 0; x < xSize; x++)
{
for (int z = 0; z < zSize; z++)
{
//Spawn in the corner prefab
//Debug.Log(Mathf.PerlinNoise(x * scale + seed, z * scale + seed));
corners[x, z] = Instantiate(cornerPrefab, new Vector3(gridDistance * x, 0, gridDistance * z), Quaternion.identity, cornerParent.transform);
verticies[x, z] = new Vector3(gridDistance * x, 0, gridDistance * z);
}
}
//Generate the links between all the corners
for (int x = 0; x < xSize; x++)
{
for (int z = 0; z < zSize; z++)
{
Corner currentCorner = corners[x, z].GetComponent <Corner>();
if (x > 0)
{
//Add the x-1 node
currentCorner.connectedCorners.Add(corners[x - 1, z].GetComponent <Corner>());
}
if (z > 0)
{
//Add the z-1 node
currentCorner.connectedCorners.Add(corners[x, z - 1].GetComponent <Corner>());
}
if (z < zSize - 1)
{
//Add the z+1 node
currentCorner.connectedCorners.Add(corners[x, z + 1].GetComponent <Corner>());
}
if (x < xSize - 1)
{
//Add the x+1 node
currentCorner.connectedCorners.Add(corners[x + 1, z].GetComponent <Corner>());
}
}
}
List <Block> generatedBlocks = new List <Block>();
//Landscape has been generated
for (int x = 1; x < xSize; x++)
{
for (int z = 1; z < zSize; z++)
{
//(a + b + c + d)/4
Vector3 avgPos = (
verticies[x - 1, z - 1] +
verticies[x, z - 1] +
verticies[x - 1, z] +
verticies[x, z]) * 0.25f;
GameObject block = Instantiate(blockPrefab, avgPos, Quaternion.Euler(0, 0, 180), blockParent.transform);
Mesh blockMesh = new Mesh();
blockMesh = DrawMesh.AddNewQuad(blockMesh, verticies[x, z] - avgPos, verticies[x - 1, z] - avgPos, verticies[x, z - 1] - avgPos, verticies[x - 1, z - 1] - avgPos);
block.GetComponent <MeshFilter>().mesh = blockMesh;
//block.transform.Rotate(Vector3.forward, 180);
block.GetComponent <MeshCollider>().sharedMesh = blockMesh;
//Generate the links to each of the corners the block is attached too
block.GetComponent <Block>().connectedCorners = new List <Corner>
{
corners[x - 1, z - 1].GetComponent <Corner>(),
corners[x, z - 1].GetComponent <Corner>(),
corners[x - 1, z].GetComponent <Corner>(),
corners[x, z].GetComponent <Corner>()
};
//give each corner attached this block to add
Block thisBlock = block.GetComponent <Block>();
corners[x - 1, z - 1].GetComponent <Corner>().connectedBlocks.Add(thisBlock);
corners[x, z - 1].GetComponent <Corner>().connectedBlocks.Add(thisBlock);
corners[x - 1, z].GetComponent <Corner>().connectedBlocks.Add(thisBlock);
corners[x, z].GetComponent <Corner>().connectedBlocks.Add(thisBlock);
generatedBlocks.Add(thisBlock);
}
}
//Generate all the links to the neighboring blocks
foreach (Block currentBlock in generatedBlocks)
{
foreach (Corner corner in currentBlock.connectedCorners)
{
foreach (Block connectTo in corner.connectedBlocks)
{
if (connectTo != currentBlock && !currentBlock.connectedBlocks.Contains(connectTo))
{
currentBlock.connectedBlocks.Add(connectTo);
}
}
}
}
//Remove some random paths
for (int x = 0; x < xSize; x++)
{
for (int z = 0; z < zSize; z++)
{
if (Mathf.PerlinNoise(((x + scale) * scale) + seed, ((z + scale) * scale) + seed) > removeChance)
{
//Remove the linked corners
foreach (Corner AttachedCorner in corners[x, z].GetComponent <Corner>().connectedCorners)
{
AttachedCorner.connectedCorners.Remove(corners[x, z].GetComponent <Corner>());
//check if the attached corner has no more corners its attached too
if (AttachedCorner.connectedCorners.Count == 0)
{
//Remove the linked blocks from this corner
RemoveLinkedBlocks(AttachedCorner);
DestroyImmediate(AttachedCorner.gameObject);
}
}
RemoveLinkedBlocks(corners[x, z].GetComponent <Corner>());
DestroyImmediate(corners[x, z].gameObject);
}
}
}
}
