def __init__(self):
"""Initialise the test scene."""
# Show the framerate
base.setFrameRateMeter(True)
# Make 4 terrain nodepath objects with different hilliness values
# and arrange them side-by-side in a 2x2 grid, giving a big terrain
# with variable hilly and flat areas.
color = (0.6, 0.8, 0.5, 1) # Bright green-ish
scale = 12
t1 = Terrain(color=color, scale=scale, trees=0.7)
t1.prime.reparentTo(render)
t2 = Terrain(color=color,
scale=scale,
h=24,
pos=P.Vec3(32 * scale, 0, 0),
trees=0.5)
t2.prime.reparentTo(render)
t3 = Terrain(color=color,
scale=scale,
h=16,
pos=P.Vec3(32 * scale, 32 * scale, 0),
trees=0.3)
t3.prime.reparentTo(render)
t4 = Terrain(color=color,
scale=scale,
h=2,
pos=P.Vec3(0, 32 * scale, 0),
trees=0.9)
t4.prime.reparentTo(render)
# Setup a camera.
base.disableMouse()
self.camera = Camera(P.Vec3(0, 0, 100))
self.camera.lookAt(320, 320, 0)
# Setup keyboard controls.
# Accept some keys to move the camera.
self.accept("a", self.camera.setControl, ["left", 1])
self.accept("a-up", self.camera.setControl, ["left", 0])
self.accept("d", self.camera.setControl, ["right", 1])
self.accept("d-up", self.camera.setControl, ["right", 0])
self.accept("w", self.camera.setControl, ["up", 1])
self.accept("w-up", self.camera.setControl, ["up", 0])
self.accept("s", self.camera.setControl, ["down", 1])
self.accept("s-up", self.camera.setControl, ["down", 0])
self.accept("arrow_up", self.camera.setControl, ["forward", 1])
self.accept("arrow_up-up", self.camera.setControl, ["forward", 0])
self.accept("arrow_down", self.camera.setControl, ["backward", 1])
self.accept("arrow_down-up", self.camera.setControl,
["backward", 0])
self.accept("arrow_left", self.camera.setControl,
["strafe-left", 1])
self.accept("arrow_left-up", self.camera.setControl,
["strafe-left", 0])
self.accept("arrow_right", self.camera.setControl,
["strafe-right", 1])
self.accept("arrow_right-up", self.camera.setControl,
["strafe-right", 0])
# Accept the Esc key to exit.
self.accept("escape", sys.exit)
# Setup lighting.
self.alight = P.AmbientLight('alight')
self.alight.setColor(P.VBase4(0.35, 0.35, 0.35, 1))
self.alnp = render.attachNewNode(self.alight)
render.setLight(self.alnp)
self.dlight = P.DirectionalLight('dlight')
self.dlight.setColor(P.VBase4(0.4, 0.4, 0.4, 1))
self.dlnp = render.attachNewNode(self.dlight)
self.dlnp.setHpr(45, -45, 0)
render.setLight(self.dlnp)
self.plight = P.PointLight('plight')
self.plight.setColor(P.VBase4(0.8, 0.8, 0.5, 1))
self.plnp = render.attachNewNode(self.plight)
self.plnp.setPos(160, 160, 50)
self.slight = P.Spotlight('slight')
self.slight.setColor(P.VBase4(1, 1, 1, 1))
lens = P.PerspectiveLens()
self.slight.setLens(lens)
self.slnp = render.attachNewNode(self.slight)
self.slnp.setPos(-20, -20, 20)
self.slnp.lookAt(50, 50, 0)
# Setup some scene-wide exponential fog.
colour = (0.5, 0.8, 0.8)
self.expfog = P.Fog("Scene-wide exponential Fog object")
self.expfog.setColor(*colour)
self.expfog.setExpDensity(0.0005)
render.setFog(self.expfog)
base.setBackgroundColor(*colour)
