public void SetTileShifts(int tileCountX, int tileCountY, int tileSize, int levelSize, int maxShift, float2[] flow)
{
_tileCount = tileCountX * tileCountY;
float w, h;
float increment;
float maxSize;
float shiftBorder = (float)(maxShift * levelSize);
if (_realImageWidth < _realImageHeight)
{
float factor = _realImageWidth / (float)_realImageHeight;
w = factor * 0.5f;
h = 0.5f;
increment = (float)tileSize * (float)levelSize / (float)_realImageHeight;
maxSize = 1.0f / _realImageHeight;
shiftBorder /= _realImageHeight;
}
else
{
float factor = _realImageHeight / (float)_realImageWidth;
w = 0.5f;
h = factor * 0.5f;
increment = (float)tileSize * (float)levelSize / (float)_realImageWidth;
maxSize = 1.0f / _realImageWidth;
shiftBorder /= _realImageWidth;
}
uint color = 0xff00ff00; //green
linevertex[] linevertices = new linevertex[(_tileCount) * 2];
for (int y = 0; y < tileCountY; y++)
{
for (int x = 0; x < tileCountX; x++)
{
int index = y * tileCountX + x;
float2 shift = flow[index] * levelSize * maxSize;
float posx = -w + shiftBorder + (x + 0.5f) * increment;
float posy = -h + shiftBorder + (y + 0.5f) * increment;
linevertices[2 * index] = new linevertex(posx, posy, 0.1f, color);
linevertices[2 * index + 1] = new linevertex(posx + shift.x, posy + shift.y, 0.1f, color);
}
}
if (_vertexBufferFlow != null)
{
_vertexBufferFlow.Dispose();
}
_vertexBufferFlow = new VertexBuffer(_device, 2 * (_tileCount) * Marshal.SizeOf(typeof(linevertex)), Usage.None, VertexFormat.Position, Pool.Default);
DataStream str = _vertexBufferFlow.Lock(0, 2 * (_tileCount) * Marshal.SizeOf(typeof(linevertex)), LockFlags.None);
str.Position = 0;
str.WriteRange <linevertex>(linevertices);
_vertexBufferFlow.Unlock();
updateFrame();
}
public void SetTiling(int tileCountX, int tileCountY, int tileSize, int levelSize, int maxShift)
{
_tileCount = tileCountX * tileCountY;
float w, h;
float increment;
float shiftBorder = (float)(maxShift * levelSize);
if (_realImageWidth < _realImageHeight)
{
float factor = _realImageWidth / (float)_realImageHeight;
w = factor * 0.5f;
h = 0.5f;
increment = (float)tileSize * (float)levelSize / (float)_realImageHeight;
shiftBorder /= _realImageHeight;
}
else
{
float factor = _realImageHeight / (float)_realImageWidth;
w = 0.5f;
h = factor * 0.5f;
increment = (float)tileSize * (float)levelSize / (float)_realImageWidth;
shiftBorder /= _realImageWidth;
}
uint color = 0xffff0000; //red
linevertex[] linevertices = new linevertex[(_tileCount + 2) * 2];
int index = 0;
for (int i = 0; i < tileCountX + 1; i++)
{
linevertices[index] = new linevertex(-w + shiftBorder + i * increment, -h + shiftBorder, 0.1f, color);
linevertices[index + 1] = new linevertex(-w + shiftBorder + i * increment, -h + shiftBorder + tileCountY * increment, 0.1f, color);
index += 2;
}
for (int i = 0; i < tileCountY + 1; i++)
{
linevertices[index] = new linevertex(-w + shiftBorder, -h + shiftBorder + i * increment, 0.1f, color);
linevertices[index + 1] = new linevertex(-w + shiftBorder + tileCountX * increment, -h + shiftBorder + i * increment, 0.1f, color);
index += 2;
}
if (_vertexBufferTileGrid != null)
{
_vertexBufferTileGrid.Dispose();
_vertexBufferFlow?.Dispose();
_vertexBufferFlow = null;
}
_vertexBufferTileGrid = new VertexBuffer(_device, 2 * (_tileCount + 2) * Marshal.SizeOf(typeof(linevertex)), Usage.None, VertexFormat.Position, Pool.Default);
DataStream str = _vertexBufferTileGrid.Lock(0, 2 * (_tileCount + 2) * Marshal.SizeOf(typeof(linevertex)), LockFlags.None);
str.Position = 0;
str.WriteRange <linevertex>(linevertices);
_vertexBufferTileGrid.Unlock();
//_device.SetStreamSource(0, _vertexBufferTileGrid, 0, Marshal.SizeOf(typeof(linevertex)));
//_device.VertexFormat = VertexFormat.Position | VertexFormat.Diffuse;
//_device.DrawPrimitives(PrimitiveType.LineList, 0, _tileCount + 2);
updateFrame();
}
