public void TrianglateOasis(IHexCell cell, IHexMesh waterMesh, IHexMesh landMesh)
{
if (cell.Feature != CellFeature.Oasis)
{
return;
}
float waterDistance = RenderConfig.OasisWaterRadius;
float landDistance = RenderConfig.OasisWaterRadius + RenderConfig.OasisLandWidth;
float tDelta = 2 * Mathf.PI / RenderConfig.OasisBoundarySegments;
Vector3 perturbedCenter = NoiseGenerator.Perturb(cell.AbsolutePosition);
Vector3 waterTwo = NoiseGenerator.Perturb(
cell.AbsolutePosition + new Vector3(waterDistance, 0f, 0f)
);
Vector3 landTwo = NoiseGenerator.Perturb(
cell.AbsolutePosition + new Vector3(landDistance, 0f, 0f)
);
for (float t = 0f; t < 2 * Mathf.PI; t += tDelta)
{
Vector3 waterOne = waterTwo;
Vector3 landOne = landTwo;
waterTwo = NoiseGenerator.Perturb(
cell.AbsolutePosition + new Vector3(waterDistance * Mathf.Cos(t), 0f, waterDistance * Mathf.Sin(t))
);
landTwo = NoiseGenerator.Perturb(
cell.AbsolutePosition + new Vector3(landDistance * Mathf.Cos(t), 0f, landDistance * Mathf.Sin(t))
);
waterMesh.AddTriangle(perturbedCenter, waterTwo, waterOne);
waterMesh.AddTriangleUV(Vector2.one, Vector2.one, Vector2.one);
landMesh.AddQuad(waterTwo, waterOne, landTwo, landOne);
}
waterMesh.AddTriangle(
perturbedCenter, NoiseGenerator.Perturb(cell.AbsolutePosition + new Vector3(waterDistance, 0f, 0f)), waterTwo
);
landMesh.AddQuad(
NoiseGenerator.Perturb(cell.AbsolutePosition + new Vector3(waterDistance, 0f, 0f)), waterTwo,
NoiseGenerator.Perturb(cell.AbsolutePosition + new Vector3(landDistance, 0f, 0f)), landTwo
);
waterMesh.AddTriangleUV(Vector2.one, Vector2.one, Vector2.one);
}
private void TriangulateMarshCenter(IHexCell center, HexDirection direction, IHexMesh mesh)
{
mesh.AddTriangle(
center.AbsolutePosition,
center.AbsolutePosition + RenderConfig.GetFirstSolidCorner(direction),
center.AbsolutePosition + RenderConfig.GetSecondSolidCorner(direction)
);
mesh.AddTriangleUV(Vector2.one, Vector2.one, Vector2.one);
}
private void TriangulateMarshCorner(
IHexCell center, IHexCell left, IHexCell right, float centerV, float leftV, float rightV,
HexDirection direction, IHexMesh mesh
)
{
Vector3 centerPoint = center.AbsolutePosition + RenderConfig.GetFirstSolidCorner(direction);
Vector3 leftPoint = left.AbsolutePosition + RenderConfig.GetFirstSolidCorner(direction.Next2());
Vector3 rightPoint = right.AbsolutePosition + RenderConfig.GetFirstSolidCorner(direction.Previous2());
mesh.AddTriangle(centerPoint, leftPoint, rightPoint);
mesh.AddTriangleUV(new Vector2(0f, centerV), new Vector2(0f, leftV), new Vector2(0f, rightV));
}
private void TriangulateCultureCorners_FlatEdge(
IHexCell center, IHexCell left, IHexCell right, IHexCell nextRight, HexDirection direction,
ICivilization centerOwner, ReadOnlyCollection <Vector2> centerRightContour,
ReadOnlyCollection <Vector2> rightCenterContour, IHexMesh cultureMesh
)
{
if (left != null && CivTerritoryLogic.GetCivClaimingCell(left) != centerOwner)
{
Color cultureColor = centerOwner.Template.Color;
var centerLeftContour = CellEdgeContourCanon.GetContourForCellEdge(center, direction.Previous());
var rightLeftContour = CellEdgeContourCanon.GetContourForCellEdge(right, direction.Previous2());
Vector2 centerLeftFirstInner = Vector2.Lerp(centerLeftContour.First(), center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
Vector2 centerLeftLastInner = Vector2.Lerp(centerLeftContour.Last(), center.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
Vector2 rightLeftFirstInner = Vector2.Lerp(rightLeftContour.First(), right.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
Vector2 rightleftLastInner = Vector2.Lerp(rightLeftContour.Last(), right.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
Vector2 rayAlongCenterLeft = (centerLeftLastInner - centerLeftFirstInner).normalized;
Vector2 rayAlongRightLeft = (rightLeftFirstInner - rightleftLastInner).normalized;
Vector2 bezierControl;
if (!Geometry2D.ClosestPointsOnTwoLines(
centerLeftLastInner, rayAlongCenterLeft, rightLeftFirstInner, rayAlongRightLeft,
out bezierControl, out bezierControl
))
{
Debug.LogError("TriangulateCultureCorners_FlatEdge failed to find a valid control point");
return;
}
Vector3 pivotXYZ = new Vector3(centerLeftContour.Last().x, 0f, centerLeftContour.Last().y);
float paramDelta = 5f / RenderConfig.RiverQuadsPerCurve;
for (float t = 0; t < 1f; t = Mathf.Clamp01(t + paramDelta))
{
float nextT = Mathf.Clamp01(t + paramDelta);
Vector2 bezierOne = BezierQuadratic.GetPoint(centerLeftLastInner, bezierControl, rightLeftFirstInner, nextT);
Vector2 bezierTwo = BezierQuadratic.GetPoint(centerLeftLastInner, bezierControl, rightLeftFirstInner, t);
cultureMesh.AddTriangle(pivotXYZ, new Vector3(bezierOne.x, 0f, bezierOne.y), new Vector3(bezierTwo.x, 0f, bezierTwo.y));
cultureMesh.AddTriangleUV(new Vector2(0f, 1f), Vector2.zero, Vector2.zero);
cultureMesh.AddTriangleColor(cultureColor);
}
if (rightCenterContour.Count == 3)
{
Vector2 innerPoint = Vector2.Lerp(rightCenterContour.Last(), right.AbsolutePositionXZ, RenderConfig.CultureWidthPercent);
Vector2 secondToLastContour = rightCenterContour[rightCenterContour.Count - 2];
Vector2 lastContour = rightCenterContour.Last();
cultureMesh.AddTriangle(
new Vector3(innerPoint.x, 0f, innerPoint.y), new Vector3(secondToLastContour.x, 0f, secondToLastContour.y),
new Vector3(lastContour.x, 0f, lastContour.y)
);
cultureMesh.AddTriangleUV(new Vector2(0f, 0f), new Vector2(0f, 1f), new Vector2(0f, 1f));
cultureMesh.AddTriangleColor(cultureColor);
}
}
}