class heightfieldClass:
def __init__( self, cameraPos ):
#try:
# import psyco
# psyco.full()
#except ImportError:
# pass
self.cameraPos = cameraPos
self.setupHeightfield()
taskMgr.doMethodLater(5.0, self.mapUpdateTask, 'UpdateLOD')
def mapUpdateTask( self, task ):
self.updateHeightField()
return Task.again
def setupHeightfield( self ):
self.terrain = GeoMipTerrain("mySimpleTerrain")
p = Perlin.Perlin( persistance = 0.50, seed = 0 )
myImage = p.imgNoise2D(int(TEXSIZE)+1,True)
self.terrain.setHeightfield(myImage)
#self.terrain.setBruteforce(True)
self.terrain.setBlockSize(33)
self.terrain.setFactor(200)#TEXSIZE/(2**4) * 10)
self.terrain.setFocalPoint(base.camera.getPos())
self.terrain.getRoot().reparentTo(render)
#self.terrain.setAutoFlatten(GeoMipTerrain.AFMStrong)
taskMgr.add(self.updateTask, "update")
self.mTerrainHeight = MAPSIZE/20#(TEXSIZE/50)
self.mHorizontalScale = MAPSIZE/TEXSIZE
self.mHeightFieldNode = self.terrain.getRoot()
self.mHeightFieldNode.setPos( -MAPSIZE/2, -MAPSIZE/2, 0 )
self.mHeightFieldNode.setSx(self.mHorizontalScale)
self.mHeightFieldNode.setSy(self.mHorizontalScale)
self.mHeightFieldNode.setSz(self.mTerrainHeight)
self.terrain.generate()
self.ts0 = TextureStage( 'dirtL0' )
self.ts1 = TextureStage( 'dirtL1' )
self.ts2 = TextureStage( 'dirtL3' )
self.tex0 = loader.loadTexture( 'data/textures/ground/mud-tile-2.png' )
self.tex0
#self.ts0.setMode(TextureStage.MAdd)
scale = 1.0#8.0/1.0
self.mHeightFieldNode.setTexScale( self.ts0, scale, scale )
self.mHeightFieldNode.setTexture( self.ts0, self.tex0, 1 )
#self.ts1.setMode(TextureStage.MAdd)
scale = 32.0/1.0
self.mHeightFieldNode.setTexScale( self.ts1, scale, scale )
self.mHeightFieldNode.setTexture( self.ts1, self.tex0, 1 )
#self.ts2.setMode(TextureStage.MAdd)
scale = 128.0/1.0
self.mHeightFieldNode.setTexScale( self.ts2, scale, scale )
self.mHeightFieldNode.setTexture( self.ts2, self.tex0, 1 )
self.updateHeightField()
def updateTask(self,task):
posX = base.camera.getX() + MAPSIZE/2
posY = base.camera.getY() + MAPSIZE/2
self.terrain.setFocalPoint(posX, posY)
self.terrain.update()
return task.cont
def updateHeightField( self ):
pass
''' recalculate heightfield
posX, posY = self.world2MapPos( ( self.cameraPos.getX(), self.cameraPos.getY() ) )
self.mHeightFieldTesselator.setFocalPoint( int(posX), int(posY) )
self.mHeightFieldNode.reparentTo(render)
'''
def world2MapPos( self, in_pos ):
posX = (in_pos[0] + MAPSIZE/2) / self.mHorizontalScale
posY = (in_pos[1] + MAPSIZE/2) / self.mHorizontalScale
return (posX, posY)
def get_elevation( self, in_pos ):
''' returns the elevation of the heightField at a specific 3d location
it is not 100% correct...
'''
posX = (in_pos[0] + MAPSIZE/2.0) / self.mHorizontalScale
posY = (in_pos[1] + MAPSIZE/2.0) / self.mHorizontalScale
return self.terrain.getElevation(posX ,posY ) * self.mTerrainHeight
class Heightfield:
def __init__( self, cameraPos ):
#try:
# import psyco
# psyco.full()
#except ImportError:
# pass
self.cameraPos = cameraPos
self.setupHeightfield()
taskMgr.doMethodLater(5.0, self.mapUpdateTask, 'UpdateLOD')
def mapUpdateTask( self, task ):
self.updateHeightField()
return Task.again
def setupHeightfield( self ):
self.terrain = GeoMipTerrain("mySimpleTerrain")
size = int(TEXSIZE) + 1
randSeed = random.random()
p1 = Perlin.Perlin( persistance = 0.500, smooth = False, seed = randSeed )
self.myImage = p1.imgNoise2D(size,True)
self.terrain.setHeightfield(self.myImage)
#self.terrain.setBruteforce(True)
self.terrain.setBlockSize(32)
self.terrain.setNear(128)
self.terrain.setFar(512)
self.terrain.setFocalPoint(base.camera.getPos(render))
self.terrain.getRoot().reparentTo(render)
taskMgr.add(self.updateTask, "update")
self.mTerrainHeight = MAPSIZE*3#/20#(TEXSIZE/50)
self.mHorizontalScale = MAPSIZE/TEXSIZE
self.mHeightFieldNode = self.terrain.getRoot()
self.mHeightFieldNode.setPos( -MAPSIZE/2, -MAPSIZE/2, - self.mTerrainHeight/2)
self.mHeightFieldNode.setSx(self.mHorizontalScale)
self.mHeightFieldNode.setSy(self.mHorizontalScale)
self.mHeightFieldNode.setSz(self.mTerrainHeight)
self.terrain.generate()
self.ts0 = TextureStage( 'dirtL0' )
self.ts1 = TextureStage( 'dirtL1' )
self.ts2 = TextureStage( 'dirtL3' )
self.tex0 = loader.loadTexture( 'data/environment/textures/mud-tile.png' )
self.tex0
scale = 1.0
self.mHeightFieldNode.setTexScale( self.ts0, scale, scale )
self.mHeightFieldNode.setTexture( self.ts0, self.tex0, 1 )
scale = 32.0
self.mHeightFieldNode.setTexScale( self.ts1, scale, scale )
self.mHeightFieldNode.setTexture( self.ts1, self.tex0, 1 )
scale = 128.0
self.mHeightFieldNode.setTexScale( self.ts2, scale, scale )
self.mHeightFieldNode.setTexture( self.ts2, self.tex0, 1 )
self.updateHeightField()
def updateTask(self,task):
posX = base.camera.getX(render) + MAPSIZE/2
posY = base.camera.getY(render) + MAPSIZE/2
self.terrain.setFocalPoint(posX, posY)
self.terrain.update()
return task.cont
def updateHeightField( self ):
pass
''' recalculate heightfield
posX, posY = self.world2MapPos( ( self.cameraPos.getX(), self.cameraPos.getY() ) )
self.mHeightFieldTesselator.setFocalPoint( int(posX), int(posY) )
self.mHeightFieldNode.reparentTo(render)
'''
def world2MapPos( self, in_pos ):
posX = (in_pos[0] + MAPSIZE/2) / self.mHorizontalScale
posY = (in_pos[1] + MAPSIZE/2) / self.mHorizontalScale
return (posX, posY)
'''
def get_elevation( self, in_pos ):
'''''' returns the elevation of the heightField at a specific 3d location
it is not 100% correct...
''''''
posX = (in_pos[0] + MAPSIZE/2.0) / self.mHorizontalScale
posY = (in_pos[1] + MAPSIZE/2.0) / self.mHorizontalScale
return self.terrain.getElevation(posX ,posY ) * self.mTerrainHeight
'''
def get_elevation( self, in_pos ):
result = 0
if abs(in_pos[0]) <= MAPSIZE/2.0 and abs(in_pos[1]) <= MAPSIZE/2.0:
posX = (in_pos[0] + MAPSIZE/2.0) / self.mHorizontalScale
posY = (in_pos[1] + MAPSIZE/2.0) / self.mHorizontalScale
result = (self.terrain.getElevation(posX ,posY ) * self.mTerrainHeight) - self.mTerrainHeight/2
return result
