static public void CalculateVertices(int index, CellInfo info, CellVertices verts, NativeArray <float3> vertices, int colNum, float cellSize, float heightOffset, float lerpToEdge, float sideOffsetScale, NativeArray <EdgeNormals> edgeNormalsArray)
{
int x = index % colNum;
int y = index / colNum;
float3 pos = new float3(x * cellSize, heightOffset, y * cellSize);
EdgeNormals normals = edgeNormalsArray[index];
if (verts.corner >= 0)
{
vertices[verts.corner] = pos;
}
if (verts.leftEdge >= 0)
{
float edgeLerp = cellSize * VcLerpT(info, lerpToEdge);
float2 offset = math.normalize(normals.leftEdgeDir) * sideOffsetScale;
vertices[verts.leftEdge] = new float3(pos.x + offset.x, pos.y, pos.z + edgeLerp + offset.y);
}
if (verts.bottomEdge >= 0)
{
float edgeLerp = cellSize * HzLerpT(info, lerpToEdge);
float2 offset = math.normalize(normals.bottomEdgeDir) * sideOffsetScale;
vertices[verts.bottomEdge] = new float3(pos.x + edgeLerp + offset.x, pos.y, pos.z + offset.y);
}
}
public void UpdateNormals(SideCellInfo cell, SideCellInfo top, SideCellInfo right, ref EdgeNormals cellNormal, ref EdgeNormals topNormal, ref EdgeNormals rightNormal, float lerpToEdge) => ScaledTopCellMesher.UpdateNormals(cell.info, top.info, right.info, ref cellNormal, ref topNormal, ref rightNormal, lerpToEdge);
public static void UpdateNormals(CellInfo cell, CellInfo top, CellInfo right, ref EdgeNormals cellNormal, ref EdgeNormals topNormal, ref EdgeNormals rightNormal, float lerpToEdge)
{
switch (cell.config)
{
// full
case MaskBL | MaskBR | MaskTR | MaskTL: break;
// corners
case MaskBL: AddNormal(0, LerpVc(cell, lerpToEdge), LerpHz(cell, lerpToEdge), 0, ref cellNormal.bottomEdgeDir, ref cellNormal.leftEdgeDir); break;
case MaskBR: AddNormal(LerpHz(cell, lerpToEdge), 0, 1, LerpVc(right, lerpToEdge), ref cellNormal.bottomEdgeDir, ref rightNormal.leftEdgeDir); break;
case MaskTR: AddNormal(1, LerpVc(right, lerpToEdge), LerpHz(top, lerpToEdge), 1, ref rightNormal.leftEdgeDir, ref topNormal.bottomEdgeDir); break;
case MaskTL: AddNormal(LerpHz(top, lerpToEdge), 1, 0, LerpVc(cell, lerpToEdge), ref topNormal.bottomEdgeDir, ref cellNormal.leftEdgeDir); break;
// halves
case MaskBL | MaskBR: AddNormal(0, LerpVc(cell, lerpToEdge), 1, LerpVc(right, lerpToEdge), ref cellNormal.leftEdgeDir, ref rightNormal.leftEdgeDir); break;
case MaskTL | MaskTR: AddNormal(1, LerpVc(right, lerpToEdge), 0, LerpVc(cell, lerpToEdge), ref cellNormal.leftEdgeDir, ref rightNormal.leftEdgeDir); break;
case MaskBL | MaskTL: AddNormal(LerpHz(top, lerpToEdge), 1, LerpHz(cell, lerpToEdge), 0, ref cellNormal.bottomEdgeDir, ref topNormal.bottomEdgeDir); break;
case MaskBR | MaskTR: AddNormal(LerpHz(cell, lerpToEdge), 0, LerpHz(top, lerpToEdge), 1, ref cellNormal.bottomEdgeDir, ref topNormal.bottomEdgeDir); break;
// diagonals
case MaskBL | MaskTR:
{
AddNormal(0, LerpVc(cell, lerpToEdge), LerpHz(top, lerpToEdge), 1, ref cellNormal.leftEdgeDir, ref topNormal.bottomEdgeDir);
AddNormal(1, LerpVc(right, lerpToEdge), LerpHz(cell, lerpToEdge), 0, ref rightNormal.leftEdgeDir, ref cellNormal.bottomEdgeDir);
break;
}
case MaskTL | MaskBR:
{
AddNormal(LerpHz(top, lerpToEdge), 1, 1, LerpVc(right, lerpToEdge), ref topNormal.bottomEdgeDir, ref rightNormal.leftEdgeDir);
AddNormal(LerpHz(cell, lerpToEdge), 0, 0, LerpVc(cell, lerpToEdge), ref cellNormal.leftEdgeDir, ref cellNormal.bottomEdgeDir);
break;
}
// three quarters
case MaskBL | MaskTR | MaskBR: AddNormal(0, LerpVc(cell, lerpToEdge), LerpHz(top, lerpToEdge), 1, ref cellNormal.leftEdgeDir, ref topNormal.bottomEdgeDir); break;
case MaskBL | MaskTL | MaskBR: AddNormal(LerpHz(top, lerpToEdge), 1, 1, LerpVc(right, lerpToEdge), ref topNormal.bottomEdgeDir, ref rightNormal.leftEdgeDir); break;
case MaskBL | MaskTL | MaskTR: AddNormal(1, LerpVc(right, lerpToEdge), LerpHz(cell, lerpToEdge), 0, ref rightNormal.leftEdgeDir, ref cellNormal.bottomEdgeDir); break;
case MaskTL | MaskTR | MaskBR: AddNormal(LerpHz(cell, lerpToEdge), 0, 0, LerpVc(cell, lerpToEdge), ref cellNormal.leftEdgeDir, ref cellNormal.bottomEdgeDir); break;
}
}
