class WaterNode():
def __init__(self, world, x1, y1, x2, y2, z):
self.world = world
logging.info(('setting up water plane at z=' + str(z)))
# Water surface
maker = CardMaker('water')
maker.setFrame(x1, x2, y1, y2)
self.waterNP = render.attachNewNode(maker.generate())
self.waterNP.setHpr(0, -90, 0)
self.waterNP.setPos(0, 0, z)
self.waterNP.setTransparency(TransparencyAttrib.MAlpha)
self.waterNP.setShader(loader.loadShader('shaders/water.sha'))
self.waterNP.setShaderInput('wateranim', Vec4(0.03, -0.015, 64.0, 0)) # vx, vy, scale, skip
# offset, strength, refraction factor (0=perfect mirror, 1=total refraction), refractivity
self.waterNP.setShaderInput('waterdistort', Vec4(0.4, 4.0, 0.25, 0.45))
self.waterNP.setShaderInput('time', 0)
# Reflection plane
self.waterPlane = Plane(Vec3(0, 0, z + 1), Point3(0, 0, z))
planeNode = PlaneNode('waterPlane')
planeNode.setPlane(self.waterPlane)
# Buffer and reflection camera
buffer = base.win.makeTextureBuffer('waterBuffer', 512, 512)
buffer.setClearColor(Vec4(0, 0, 0, 1))
cfa = CullFaceAttrib.makeReverse()
rs = RenderState.make(cfa)
self.watercamNP = base.makeCamera(buffer)
self.watercamNP.reparentTo(render)
#sa = ShaderAttrib.make()
#sa = sa.setShader(loader.loadShader('shaders/splut3Clipped.sha') )
cam = self.watercamNP.node()
cam.getLens().setFov(base.camLens.getFov())
cam.getLens().setNear(1)
cam.getLens().setFar(5000)
cam.setInitialState(rs)
cam.setTagStateKey('Clipped')
#cam.setTagState('True', RenderState.make(sa))
# ---- water textures -----------------------------------------------
#reflection texture, created in realtime by the 'water camera'
tex0 = buffer.getTexture()
tex0.setWrapU(Texture.WMClamp)
tex0.setWrapV(Texture.WMClamp)
ts0 = TextureStage('reflection')
self.waterNP.setTexture(ts0, tex0)
# distortion texture
tex1 = loader.loadTexture('textures/water.png')
ts1 = TextureStage('distortion')
self.waterNP.setTexture(ts1, tex1)
# ---- Fog --- broken
min = Point3(x1, y1, -999.0)
max = Point3(x2, y2, z)
boundry = BoundingBox(min, max
self.waterFog = Fog('waterFog')
self.waterFog.setBounds(boundry)
colour = (0.2, 0.5, 0.8)
self.waterFog.setColor(*colour)
self.waterFog.setExpDensity(0.05)
render.attachNewNode(self.waterFog)
#render.setFog(world.waterFog)
taskMgr.add(self.update, "waterTask")
def update(self, task):
# update matrix of the reflection camera
mc = base.camera.getMat()
mf = self.waterPlane.getReflectionMat()
self.watercamNP.setMat(mc * mf)
self.waterNP.setShaderInput('time', task.time)
self.waterNP.setX(self.world.ralph.getX())
self.waterNP.setY(self.world.ralph.getY())
return task.cont
class WaterNode():
def __init__(self, world, x1, y1, x2, y2, z):
self.world = world
logging.info(('setting up water plane at z=' + str(z)))
# Water surface
maker = CardMaker('water')
maker.setFrame(x1, x2, y1, y2)
self.waterNP = render.attachNewNode(maker.generate())
self.waterNP.setHpr(0, -90, 0)
self.waterNP.setPos(0, 0, z)
self.waterNP.setTransparency(TransparencyAttrib.MAlpha)
self.waterNP.setShader(loader.loadShader('shaders/water.sha'))
self.waterNP.setShaderInput('wateranim',
Vec4(0.03, -0.015, 64.0,
0)) # vx, vy, scale, skip
# offset, strength, refraction factor (0=perfect mirror, 1=total refraction), refractivity
self.waterNP.setShaderInput('waterdistort', Vec4(0.4, 4.0, 0.25, 0.45))
self.waterNP.setShaderInput('time', 0)
# Reflection plane
self.waterPlane = Plane(Vec3(0, 0, z + 1), Point3(0, 0, z))
planeNode = PlaneNode('waterPlane')
planeNode.setPlane(self.waterPlane)
# Buffer and reflection camera
buffer = base.win.makeTextureBuffer('waterBuffer', 512, 512)
buffer.setClearColor(Vec4(0, 0, 0, 1))
cfa = CullFaceAttrib.makeReverse()
rs = RenderState.make(cfa)
self.watercamNP = base.makeCamera(buffer)
self.watercamNP.reparentTo(render)
#sa = ShaderAttrib.make()
#sa = sa.setShader(loader.loadShader('shaders/splut3Clipped.sha') )
cam = self.watercamNP.node()
cam.getLens().setFov(base.camLens.getFov())
cam.getLens().setNear(1)
cam.getLens().setFar(5000)
cam.setInitialState(rs)
cam.setTagStateKey('Clipped')
#cam.setTagState('True', RenderState.make(sa))
# ---- water textures ---------------------------------------------
# reflection texture, created in realtime by the 'water camera'
tex0 = buffer.getTexture()
tex0.setWrapU(Texture.WMClamp)
tex0.setWrapV(Texture.WMClamp)
ts0 = TextureStage('reflection')
self.waterNP.setTexture(ts0, tex0)
# distortion texture
tex1 = loader.loadTexture('textures/water.png')
ts1 = TextureStage('distortion')
self.waterNP.setTexture(ts1, tex1)
# ---- Fog --- broken
min = Point3(x1, y1, -999.0)
max = Point3(x2, y2, z)
boundry = BoundingBox(min, max)
self.waterFog = Fog('waterFog')
self.waterFog.setBounds(boundry)
colour = (0.2, 0.5, 0.8)
self.waterFog.setColor(*colour)
self.waterFog.setExpDensity(0.05)
render.attachNewNode(self.waterFog)
#render.setFog(world.waterFog)
taskMgr.add(self.update, "waterTask")
def update(self, task):
# update matrix of the reflection camera
mc = base.camera.getMat()
mf = self.waterPlane.getReflectionMat()
self.watercamNP.setMat(mc * mf)
self.waterNP.setShaderInput('time', task.time)
self.waterNP.setX(self.world.ralph.getX())
self.waterNP.setY(self.world.ralph.getY())
return task.cont
