def getTile(self, xStart, yStart, scale):
"""
returns a tile for the specified positions and size
"""
sizeY = tileMapSize
sizeX = tileMapSize
getHeight = self.getHeight
noiseTex=Texture("NoiseTex")
noiseTex.setup2dTexture(sizeX, sizeY, Texture.TUnsignedByte, Texture.FRgb)
p=noiseTex.modifyRamImage()
step=noiseTex.getNumComponents()*noiseTex.getComponentWidth()
scalar=.4
for y in range(sizeY):
yPos=scalar*(1.0*y*scale/(sizeY-1)+yStart)
for x in range(sizeX):
height = getHeight(scalar*(1.0*x*scale/(sizeX-1) + xStart), yPos)
r=min(255,max(0,height*256))
g=r*256
b=g*256
index = (sizeX * y + x)*step
p.setElement(index, b%256)#Blue
p.setElement(index+1, g%256)#Green
p.setElement(index+2, r)#Red
return Tile({"height":Map("height", noiseTex)},[], xStart, yStart, scale)
