float EdgeBorder(int2 cellIndex)
{
switch (distance2EdgeBorder)
{
case Distance2EdgeBorder.Height:
return(topologyUtil.CellHeight(cellIndex));
case Distance2EdgeBorder.Sector:
return(topologyUtil.CellGrouping(cellIndex));
default: throw new System.Exception("Unrecognised border type");
}
}
void TryAddCell(int2 index)
{
if (!cellMatrix.ItemIsSet(index))
{
WorleyNoise.CellData cellData = worley.GetCellData(index);
CellMatrixItem cell = new CellMatrixItem
(
cellData,
topologyUtil.CellGrouping(index),
topologyUtil.CellHeight(index)
);
cellMatrix.AddItem(cell, cellData.index);
}
}
float GetOrGenerateCellGrouping(int2 index)
{
if (cellMatrix.ItemIsSet(index))
{
return(cellMatrix.GetItem(index).grouping);
}
var cell = new CellSystem.CellMatrixItem
(
worley.GetCellData(index),
topologyUtil.CellGrouping(index),
topologyUtil.CellHeight(index)
);
cellMatrix.AddItem(cell, index);
return(cell.grouping);
}
public void Execute()
{
Entity waterEntity = commandBuffer.CreateEntity(waterEntityArchetype);
commandBuffer.SetComponent <Translation>(waterEntity, new Translation {
Value = new float3(matrix.root.x, 0, matrix.root.z)
});
vertices = commandBuffer.AddBuffer <Vertex>(waterEntity);
colors = commandBuffer.AddBuffer <VertColor>(waterEntity);
triangles = commandBuffer.AddBuffer <Triangle>(waterEntity);
int indexOffset = 0;
for (int x = 0; x < matrix.width - 1; x++)
{
for (int z = 0; z < matrix.width - 1; z++)
{
int2 bl = new int2(x, z);
int2 tl = new int2(x, z + 1);
int2 tr = new int2(x + 1, z + 1);
int2 br = new int2(x + 1, z);
WorleyNoise.PointData blWorley = matrix.GetItem <WorleyNoise.PointData>(bl, worley, arrayUtil);
WorleyNoise.PointData tlWorley = matrix.GetItem <WorleyNoise.PointData>(tl, worley, arrayUtil);
WorleyNoise.PointData trWorley = matrix.GetItem <WorleyNoise.PointData>(tr, worley, arrayUtil);
WorleyNoise.PointData brWorley = matrix.GetItem <WorleyNoise.PointData>(br, worley, arrayUtil);
if (!blWorley.isSet ||
!tlWorley.isSet ||
!trWorley.isSet ||
!brWorley.isSet)
{
continue;
}
float waterHeight = topologyUtil.CellHeight(masterCell.index);
float4 waterColor = new float4(0, 0.5f, 1, 0.5f);
vertices.Add(new Vertex {
vertex = new float3(bl.x, waterHeight - 1, bl.y)
});
vertices.Add(new Vertex {
vertex = new float3(tl.x, waterHeight - 1, tl.y)
});
vertices.Add(new Vertex {
vertex = new float3(tr.x, waterHeight - 1, tr.y)
});
vertices.Add(new Vertex {
vertex = new float3(br.x, waterHeight - 1, br.y)
});
colors.Add(new VertColor {
color = waterColor
});
colors.Add(new VertColor {
color = waterColor
});
colors.Add(new VertColor {
color = waterColor
});
colors.Add(new VertColor {
color = waterColor
});
GetTriangleIndicesForQuad(indexOffset);
indexOffset += 4;
}
}
}