public void TriangulateNextCornerTerracesCliff(
Vector3 begin, HexCell beginCell, Vector3 left,
Vector3 right, HexCell neighbor, HexCell nextNeighbor
)
{
float b = 1.6f / (nextNeighbor.Position.y - beginCell.Position.y);
Vector3 boundary = Vector3.Lerp(HexMetrics.Perturb(right), HexMetrics.Perturb(begin), b);
Vector3 v3 = HexMetrics.Perturb(HexMetrics.TerraceLerp(left, begin, 1));
//bottom quad
terrain.AddQuadUnperturbed(boundary, HexMetrics.Perturb(right), v3, HexMetrics.Perturb(left));
terrain.AddQuadColor(neighbor.Color);
//middle tris
for (int i = 2; i < HexMetrics.terraceSteps; i++)
{
Vector3 v1 = v3;
v3 = HexMetrics.Perturb(HexMetrics.TerraceLerp(left, begin, i));
terrain.AddTriangleUnperturbed(boundary, v3, v1);
terrain.AddTriangleColor(neighbor.Color);
}
//top tri
terrain.AddTriangleUnperturbed(HexMetrics.Perturb(begin), v3, boundary);
terrain.AddTriangleColor(neighbor.Color);
}
void TriangulateWaterfallInWater(Vector3 v1, Vector3 v2, Vector3 v3, Vector3 v4, float y1, float y2, float waterY, Vector3 indices)
{
v1.y = v2.y = y1;
v3.y = v4.y = y2;
v1 = HexMetrics.Perturb(v1);
v2 = HexMetrics.Perturb(v2);
v3 = HexMetrics.Perturb(v3);
v4 = HexMetrics.Perturb(v4);
float t = (waterY - y2) / (y1 - y2);
v3 = Vector3.Lerp(v3, v1, t);
v4 = Vector3.Lerp(v4, v2, t);
rivers.AddQuadUnperturbed(v1, v2, v3, v4);
rivers.AddQuadUV(0f, 1f, 0.8f, 1f);
rivers.AddQuadCellData(indices, weights1, weights2);
}
void AddWallSegment(
Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight,
bool addTower = false
)
{
nearLeft = HexMetrics.Perturb(nearLeft);
farLeft = HexMetrics.Perturb(farLeft);
nearRight = HexMetrics.Perturb(nearRight);
farRight = HexMetrics.Perturb(farRight);
Vector3 left = HexMetrics.WallLerp(nearLeft, farLeft);
Vector3 right = HexMetrics.WallLerp(nearRight, farRight);
Vector3 leftThicknessOffset =
HexMetrics.WallThicknessOffset(nearLeft, farLeft);
Vector3 rightThicknessOffset =
HexMetrics.WallThicknessOffset(nearRight, farRight);
float leftTop = left.y + HexMetrics.wallHeight;
float rightTop = right.y + HexMetrics.wallHeight;
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftThicknessOffset;
v2 = v4 = right - rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v1, v2, v3, v4);
walls.AddQuadCellData(v1, new Color(0, 0, 0, 1), new Color(featureColor.r / 2, featureColor.g / 2, featureColor.b / 2, 1), new Color(featureColor.r / 2, featureColor.g / 2, featureColor.b / 2, 1), featureColor);
Vector3 t1 = v3, t2 = v4;
v1 = v3 = left + leftThicknessOffset;
v2 = v4 = right + rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v2, v1, v4, v3);
walls.AddQuadCellData(v1, new Color(0, 0, 0, 1f), new Color(featureColor.r / 2, featureColor.g / 2, featureColor.b / 2, 1), new Color(featureColor.r / 2, featureColor.g / 2, featureColor.b / 2, 1), featureColor);
walls.AddQuadUnperturbed(t1, t2, v3, v4);
walls.AddQuadCellData(v1, new Color(0, 0, 0, 1f), new Color(featureColor.r / 2, featureColor.g / 2, featureColor.b / 2, 1), new Color(featureColor.r / 2, featureColor.g / 2, featureColor.b / 2, 1), featureColor);
if (addTower)
{
Transform towerInstance = Instantiate(wallTower);
towerInstance.transform.localPosition = (left + right) * 0.5f;
Vector3 rightDirection = right - left;
rightDirection.y = 0f;
towerInstance.transform.right = rightDirection;
foreach (MeshRenderer renderer in towerInstance.GetComponentsInChildren <MeshRenderer>())
{
renderer.material.color = secondaryColor;
}
towerInstance.SetParent(container, false);
}
}
/// <summary>
/// Для создания основных участков стены
/// </summary>
/// <param name="nearLeft"></param>
/// <param name="farLeft"></param>
/// <param name="nearRight"></param>
/// <param name="farRight"></param>
private void AddWallSegment(
Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight, bool addTower = false
)
{
//заранее искажаем вершины
nearLeft = HexMetrics.Perturb(nearLeft);
farLeft = HexMetrics.Perturb(farLeft);
nearRight = HexMetrics.Perturb(nearRight);
farRight = HexMetrics.Perturb(farRight);
//края середины соединения
Vector3 left = HexMetrics.WallLerp(nearLeft, farLeft);
Vector3 right = HexMetrics.WallLerp(nearRight, farRight);
float leftTop = left.y + HexMetrics.wallHeight;
float rightTop = right.y + HexMetrics.wallHeight;
//смещение краев(толщина стены)
Vector3 leftThicknessOffset =
HexMetrics.WallThicknessOffset(nearLeft, farLeft);
Vector3 rightThicknessOffset =
HexMetrics.WallThicknessOffset(nearRight, farRight);
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftThicknessOffset;
v2 = v4 = right - rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v1, v2, v3, v4);
Vector3 t1 = v3, t2 = v4;//верхняя часть стен
v1 = v3 = left + leftThicknessOffset;
v2 = v4 = right + rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v2, v1, v4, v3);
walls.AddQuadUnperturbed(t1, t2, v3, v4);//верхняя часть стен
//спавн башни
if (addTower)
{
Transform towerInstance = Instantiate(wallTower);
towerInstance.transform.localPosition = (left + right) * 0.5f;
Vector3 rightDirection = right - left;
rightDirection.y = 0f;
towerInstance.transform.right = rightDirection;
towerInstance.SetParent(container, false);
}
}
public void AddWallSegment(Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight, bool addTower = false)
{
nearLeft = HexMetrics.PerturbVector(nearLeft);
farLeft = HexMetrics.PerturbVector(farLeft);
nearRight = HexMetrics.PerturbVector(nearRight);
farRight = HexMetrics.PerturbVector(farRight);
Vector3 left = HexMetrics.WallLerp(nearLeft, farLeft);
Vector3 right = HexMetrics.WallLerp(nearRight, farRight);
Vector3 leftOffset = HexMetrics.WallThicknessOffset(nearLeft, farLeft);
Vector3 rightOffset = HexMetrics.WallThicknessOffset(nearRight, farRight);
float leftTop = left.y + HexMetrics.WallHeight;
float rightTop = right.y + HexMetrics.WallHeight;
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftOffset;
v2 = v4 = right - rightOffset;
v3.y = leftTop;
v4.y = rightTop;
Walls.AddQuadUnperturbed(v1, v2, v3, v4);
Vector3 t1 = v3, t2 = v4;
v1 = v3 = left + leftOffset;
v2 = v4 = right + rightOffset;
v3.y = leftTop;
v4.y = rightTop;
Walls.AddQuadUnperturbed(v2, v1, v4, v3);
// top
Walls.AddQuadUnperturbed(t1, t2, v3, v4);
if (addTower)
{
Transform towerInstance = Instantiate(WallTower);
towerInstance.transform.localPosition = (left + right) * 0.5f;
Vector3 rightDirection = right - left;
rightDirection.y = 0;
towerInstance.transform.right = rightDirection;
towerInstance.SetParent(m_container, false);
}
}
/// <summary>
/// Creates a quad perpendicular to the wall to close off the side. Usefull in wall openings
/// for road passage for example.
/// </summary>
void AddWallCap(Vector3 near, Vector3 far)
{
near = HexMetrics.Perturb(near);
far = HexMetrics.Perturb(far);
Vector3 center = HexMetrics.WallLerp(near, far);
Vector3 thickness = HexMetrics.WallThicknessOffset(near, far);
Vector3 v1, v2, v3, v4;
v1 = v3 = center - thickness;
v2 = v4 = center + thickness;
v3.y = v4.y = center.y + HexMetrics.WallHeight;
Walls.AddQuadUnperturbed(v1, v2, v3, v4);
}
/// <summary>
/// 创建一段围墙
/// </summary>
/// <param name="nearLeft">内侧边的左顶点</param>
/// <param name="farLeft">外侧边左顶点</param>
/// <param name="nearRight">内侧点的右顶点</param>
/// <param name="farRight">外侧边右顶点</param>
/// <param name="addTower">是否在本段围墙添加塔楼</param>
void AddWallSegment(Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight, bool addTower = false)
{
// 先对六边形的顶点进行微扰再计算围墙，以免用算出围墙之后再被微扰导致围墙厚薄不一
nearLeft = HexMetrics.Perturb(nearLeft);
farLeft = HexMetrics.Perturb(farLeft);
nearRight = HexMetrics.Perturb(nearRight);
farRight = HexMetrics.Perturb(farRight);
Vector3 left = HexMetrics.WallLerp(nearLeft, farLeft);
Vector3 right = HexMetrics.WallLerp(nearRight, farRight);
Vector3 leftOffset = HexMetrics.WallThicknessOffset(nearLeft, farLeft); // 左侧顶点近处指向远处的向量，向量长度为墙壁厚度的一半
Vector3 rightOffset = HexMetrics.WallThicknessOffset(nearRight, farRight); // 右侧顶点近处指向远处的向量，向量长度为墙壁厚度的一半
float leftTop = left.y + HexMetrics.wallHeight; // 计算左上方顶点坐标
float rightTop = right.y + HexMetrics.wallHeight; // 计算右上方顶点坐标
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftOffset;
v2 = v4 = right - rightOffset;
v3.y = leftTop; // 左顶点高度
v4.y = rightTop; // 右顶点高度
walls.AddQuadUnperturbed(v1, v2, v3, v4); // 生成围墙内侧四边形
Vector3 t1 = v3, t2 = v4; // 记录内侧围墙四边形顶部两个顶点
v1 = v3 = left + leftOffset;
v2 = v4 = right + rightOffset;
v3.y = leftTop; // 左顶点高度
v4.y = rightTop; // 右顶点高度
walls.AddQuadUnperturbed(v2, v1, v4, v3); // 生成围墙外侧四边形
walls.AddQuadUnperturbed(t1, t2, v3, v4); // 生成围墙顶部四边形
// 实例化塔楼
if (addTower)
{
Transform towerInstance = Instantiate(wallTower);
towerInstance.transform.localPosition = (left + right) * 0.5f; // 坐标设为围墙中心线的中点
Vector3 rightDirection = right - left;
rightDirection.y = 0f;
towerInstance.transform.right = rightDirection; // 设置旋转
towerInstance.SetParent(container, false);
}
}
/// <summary>
/// 三角化瀑布
/// </summary>
/// <param name="v1">从瀑布上方，自上而下看，上方左边的顶点</param>
/// <param name="v2">上右顶点</param>
/// <param name="v3">下左顶点</param>
/// <param name="v4">下右顶点</param>
/// <param name="y1">上方所在六边形河流高度</param>
/// <param name="y2">下方所在六边形河流高度</param>
/// <param name="waterY">下方水平面高度</param>
void TriangulateWaterfallInWater(Vector3 v1, Vector3 v2, Vector3 v3, Vector3 v4, float y1, float y2, float waterY, Vector3 indices)
{
// 让桥边线顶点高度变成河流高度
v1.y = v2.y = y1;
v3.y = v4.y = y2;
// 由于底部顶点的位置已经改变了，它们和原始顶点受微扰的程度不一样。
// 这意味着最后的结果和原始瀑布不相符。为了解决这个问题，我们需要在插值前手动微扰顶点，然后加上一个未被微扰的四边形。
v1 = HexMetrics.Perturb(v1);
v2 = HexMetrics.Perturb(v2);
v3 = HexMetrics.Perturb(v3);
v4 = HexMetrics.Perturb(v4);
// 用插值的方法获得v3->v1向量、v4->v2向量与水平面的交点
float t = (waterY - y2) / (y1 - y2);
v3 = Vector3.Lerp(v3, v1, t);
v4 = Vector3.Lerp(v4, v2, t);
rivers.AddQuadUnperturbed(v1, v2, v3, v4);
rivers.AddQuadUV(0f, 1f, 0.8f, 1f);
rivers.AddQuadCellData(indices, weights1, weights2);
}
private void AddWallSegment(Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight, bool addTower = false)
{
nearLeft = HexMetrics.Perturb(nearLeft);
nearRight = HexMetrics.Perturb(nearRight);
farLeft = HexMetrics.Perturb(farLeft);
farRight = HexMetrics.Perturb(farRight);
var left = HexMetrics.WallLerp(nearLeft, farLeft);
var right = HexMetrics.WallLerp(nearRight, farRight);
var leftThicknessOffset = HexMetrics.WallThicknessOffset(nearLeft, farLeft);
var rightThicknessOffset = HexMetrics.WallThicknessOffset(nearRight, farRight);
var leftTop = left.y + HexMetrics.wallHeight;
var rightTop = right.y + HexMetrics.wallHeight;
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftThicknessOffset;
v2 = v4 = right - rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v1, v2, v3, v4);
Vector3 t1 = v3, t2 = v4;
v1 = v3 = left + leftThicknessOffset;
v2 = v4 = right + rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v2, v1, v4, v3);
walls.AddQuadUnperturbed(t1, t2, v3, v4);
if (addTower)
{
var tower = Instantiate(wallTower, container, false);
tower.transform.localPosition = (left + right) * .5f;
var rightDir = right - left;
rightDir.y = 0;
tower.transform.right = rightDir;
}
}
void AddWallSegment(Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight, bool addTower = false)
{
nearLeft = HexMetrics.Perturb(nearLeft);
farLeft = HexMetrics.Perturb(farLeft);
nearRight = HexMetrics.Perturb(nearRight);
farRight = HexMetrics.Perturb(farRight);
Vector3 left = HexMetrics.WallLerp(nearLeft, farLeft);
Vector3 right = HexMetrics.WallLerp(nearRight, farRight);
Vector3 leftThicknessOffset = HexMetrics.WallThicknessOffset(nearLeft, farLeft);
Vector3 rightThicknessOfsset = HexMetrics.WallThicknessOffset(nearRight, farRight);
Vector3 topLeftNear, topRightNear;
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftThicknessOffset;
v2 = v4 = right - rightThicknessOfsset;
v3.y = left.y + HexMetrics.wallHeight;
v4.y = right.y + HexMetrics.wallHeight;
walls.AddQuadUnperturbed(v1, v2, v3, v4);
topLeftNear = v3;
topRightNear = v4;
v1 = v3 = left + leftThicknessOffset;
v2 = v4 = right + rightThicknessOfsset;
v3.y = left.y + HexMetrics.wallHeight;
v4.y = right.y + HexMetrics.wallHeight;
walls.AddQuadUnperturbed(v2, v1, v4, v3);
walls.AddQuadUnperturbed(topLeftNear, topRightNear, v3, v4);
if (addTower)
{
Transform towerInstance = Instantiate(wallTower);
towerInstance.transform.localPosition = (left + right) * 0.5f;
Vector3 rightDirection = right - left;
rightDirection.y = 0f;
towerInstance.transform.right = rightDirection;
towerInstance.SetParent(container, false);
}
}
void AddWallSegment(
Vector3 nearLeft, Vector3 farLeft, Vector3 nearRight, Vector3 farRight
)
{
nearLeft = HexMetrics.Perturb(nearLeft);
farLeft = HexMetrics.Perturb(farLeft);
nearRight = HexMetrics.Perturb(nearRight);
farRight = HexMetrics.Perturb(farRight);
Vector3 left = HexMetrics.WallLerp(nearLeft, farLeft);
Vector3 right = HexMetrics.WallLerp(nearRight, farRight);
Vector3 leftThicknessOffset =
HexMetrics.WallThicknessOffset(nearLeft, farLeft);
Vector3 rightThicknessOffset =
HexMetrics.WallThicknessOffset(nearRight, farRight);
float leftTop = left.y + HexMetrics.wallHeight;
float rightTop = right.y + HexMetrics.wallHeight;
Vector3 v1, v2, v3, v4;
v1 = v3 = left - leftThicknessOffset;
v2 = v4 = right - rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v1, v2, v3, v4);
Vector3 t1 = v3, t2 = v4;
v1 = v3 = left + leftThicknessOffset;
v2 = v4 = right + rightThicknessOffset;
v3.y = leftTop;
v4.y = rightTop;
walls.AddQuadUnperturbed(v2, v1, v4, v3);
walls.AddQuadUnperturbed(t1, t2, v3, v4);
}