def update(self):
date = datetime.utcnow() + timedelta(0, self.TimeIn.value *
self.TimeScale.value)
azimuth = get_azimuth(self.city, date)
elevation = get_elevation(self.city, date)
r = g = b = 0.0
if (elevation > 0):
r = g = b = elevation / 90
r = pow(r, 0.3) * 1.3
g = pow(g, 0.4) * 1.2
b = pow(b, 0.5) * 1.6
self.SunColorOut.value = av.Color(r, g, b)
self.MatrixOut.value = av.make_rot_mat(
azimuth, 0, 1, 0) * av.make_rot_mat(-elevation, 1, 0, 0)
direcion = self.MatrixOut.value * av.Vec3(0, 0, -1)
self.DirectionOut.value = av.Vec3(direcion.x, direcion.y, direcion.z)
self.BlendFactorOut.value = 0.0
if elevation / 90 < 0:
self.BlendFactorOut.value = abs(elevation / 90) * 5
if direcion.y > 0:
val = max(0.2 - direcion.y, 0)
self.GroundColorOut.value = av.Color(val, val, val)
else:
self.GroundColorOut.value = av.Color(0.5, 0.5, 0.5)
av.register_window("window", window)
cam = av.nodes.CameraNode(LeftScreenPath="/screen",
SceneGraph="scenegraph",
Resolution=size,
OutputWindowName="window",
Transform=av.make_trans_mat(0.0, 1.0, 3.0))
res_pass = av.nodes.ResolvePassDescription()
res_pass.EnableSSAO.value = True
res_pass.SSAOIntensity.value = 4.0
res_pass.SSAOFalloff.value = 10.0
res_pass.SSAORadius.value = 7.0
res_pass.EnvironmentLightingColor.value = av.Color(0.02, 0.02, 0.02)
res_pass.ToneMappingMode.value = av.ToneMappingMode.UNCHARTED
res_pass.Exposure.value = 1.0
res_pass.BackgroundColor.value = av.Color(0.45, 0.5, 0.6)
anti_aliasing = av.nodes.SSAAPassDescription()
pipeline_description = av.nodes.PipelineDescription(Passes=[
av.nodes.TriMeshPassDescription(),
av.nodes.LightVisibilityPassDescription(),
res_pass,
anti_aliasing,
])
cam.PipelineDescription.value = pipeline_description
def start():
graph = av.nodes.SceneGraph(Name="scene")
loader = av.nodes.TriMeshLoader()
fps_size = av.Vec2(170, 55)
fps = av.gui.nodes.GuiResourceNode()
fps.TextureName.value = "fps"
fps.URL.value = "asset://gua/data/html/fps.html"
fps.Size.value = fps_size
fps_quad = av.nodes.TexturedScreenSpaceQuadNode(Name="fps_quad",
Texture="fps",
Width=int(fps_size.x),
Height=int(fps_size.y),
Anchor=av.Vec2(1.0, 1.0))
graph.Root.value.Children.value.append(fps_quad)
fallback_mat = av.create_material(av.MaterialCapabilities.COLOR_VALUE |
av.MaterialCapabilities.ROUGHNESS_VALUE)
fallback_mat.set_uniform("Roughness", 0.6)
for x in range(0, CUBE_COUNT_X):
for y in range(0, CUBE_COUNT_Y):
for z in range(0, CUBE_COUNT_Z):
new_cube = loader.create_geometry_from_file(
"cube" + str(x) + str(y) + str(z),
"data/objects/monkey.obj", fallback_mat,
av.LoaderFlags.DEFAULTS)
new_cube.Transform.value = av.make_trans_mat(
x * 2, y * 2, z * 2) * av.make_scale_mat(0.3, 0.3, 0.3)
graph.Root.value.Children.value.append(new_cube)
new_cube.ShadowMode.value = 1
sun_light = av.nodes.LightNode(Name="sun_light",
Type=av.LightType.SUN,
Color=av.Color(1.0, 1.0, 0.7),
EnableShadows=True,
ShadowMapSize=1024,
ShadowOffset=0.0005,
ShadowCascadedSplits=[0.1, 4, 7, 20],
ShadowMaxDistance=30,
ShadowNearClippingInSunDirection=100,
ShadowFarClippingInSunDirection=100,
Brightness=4)
graph.Root.value.Children.value.append(sun_light)
floor = loader.create_geometry_from_file("floor", "data/objects/plane.obj",
fallback_mat,
av.LoaderFlags.DEFAULTS)
floor.Transform.value = av.make_scale_mat(
200, 1, 200) * av.make_trans_mat(-0.5, -0.2, -0.5)
floor.ShadowMode.value = 0
graph.Root.value.Children.value.append(floor)
width = 1920
height = int(width * 9.0 / 16.0)
size = av.Vec2ui(width, height)
screen = av.nodes.ScreenNode(Name="screen",
Width=4.8,
Height=2.7,
Transform=av.make_trans_mat(0.0, 0.0, -2.5))
camera = av.nodes.CameraNode(Name="cam",
LeftScreenPath="/cam/screen",
RightScreenPath="/cam/screen",
SceneGraph="scene",
Resolution=size,
OutputWindowName="window",
EyeDistance=0.2,
EnableStereo=False,
Children=[screen],
Transform=av.make_trans_mat(0.0, 0.0, 7.0))
res_pass = av.nodes.ResolvePassDescription()
res_pass.EnableSSAO.value = True
res_pass.SSAOIntensity.value = 3.0
res_pass.SSAOFalloff.value = 20.0
res_pass.SSAORadius.value = 10.0
res_pass.EnvironmentLightingTexture.value = "day_skymap"
res_pass.AlternativeEnvironmentLightingTexture.value = "night_skymap"
res_pass.EnvironmentLightingMode.value = av.EnvironmentLightingMode.CUBEMAP
res_pass.ToneMappingMode.value = av.ToneMappingMode.UNCHARTED
res_pass.Exposure.value = 1.0
res_pass.VignetteColor.value = av.Vec4(0, 0, 0, 0.7)
res_pass.VignetteCoverage.value = 0.0
res_pass.EnableFog.value = True
res_pass.FogStart.value = 30
res_pass.FogEnd.value = 100
res_pass.BackgroundMode.value = av.BackgroundMode.CUBEMAP_TEXTURE
res_pass.BackgroundTexture.value = "day_skymap"
res_pass.AlternativeBackgroundTexture.value = "night_skymap"
sky_pass = av.nodes.SkyMapPassDescription(OutputTextureName="day_skymap")
av.create_texture_cube(
"night_skymap",
"data/textures/stars/purple-nebula/purple-nebula_right1.jpg",
"data/textures/stars/purple-nebula/purple-nebula_left2.jpg",
"data/textures/stars/purple-nebula/purple-nebula_bottom4.jpg",
"data/textures/stars/purple-nebula/purple-nebula_top3.jpg",
"data/textures/stars/purple-nebula/purple-nebula_front5.jpg",
"data/textures/stars/purple-nebula/purple-nebula_back6.jpg")
pipeline_description = av.nodes.PipelineDescription(Passes=[
sky_pass, av.nodes.TriMeshPassDescription(
), av.nodes.LightVisibilityPassDescription(
), res_pass, av.nodes.TexturedScreenSpaceQuadPassDescription()
])
camera.PipelineDescription.value = pipeline_description
graph.Root.value.Children.value.append(camera)
window = av.nodes.Window(Size=size,
Title="shadows",
LeftResolution=size,
RightResolution=size,
EnableVsync=False,
StereoMode=av.StereoMode.MONO)
av.register_window("window", window)
navigator = examples_common.navigator.Navigator()
navigator.StartLocation.value = camera.Transform.value.get_translate()
navigator.OutTransform.connect_from(camera.Transform)
navigator.RotationSpeed.value = 0.2
navigator.MotionSpeed.value = 0.04
camera.Transform.connect_from(navigator.OutTransform)
viewer = av.nodes.Viewer()
viewer.SceneGraphs.value = [graph]
viewer.Windows.value = [window]
timer = avango.nodes.TimeSensor()
fps_updater = FPSUpdater(FPSResource=fps, Window=window, Viewer=viewer)
fps_updater.TimeIn.connect_from(timer.Time)
sun_updater = SunUpdater(TimeScale=3500)
sun_updater.TimeIn.connect_from(timer.Time)
sun_light.Transform.connect_from(sun_updater.MatrixOut)
sun_light.Color.connect_from(sun_updater.SunColorOut)
sky_pass.LightDirection.connect_from(sun_updater.DirectionOut)
sky_pass.GroundColor.connect_from(sun_updater.GroundColorOut)
res_pass.BackgroundTextureBlendFactor.connect_from(
sun_updater.BlendFactorOut)
res_pass.EnvironmentLightingTextureBlendFactor.connect_from(
sun_updater.BlendFactorOut)
guaVE = GuaVE()
guaVE.start(locals(), globals())
viewer.run()
def from_blender_color(c):
"""Convert a blender color to an avango Color."""
return av.Color(c.r, c.g, c.b)