from math import pi, sin, cos
from direct.showbase.ShowBase import ShowBase
from direct.task import Task
from direct.actor.Actor import Actor
from direct.interval.IntervalGlobal import Sequence
from panda3d.core import Point3
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
# Disable the camera trackball controls.
self.disableMouse()
# Load the environment model.
self.scene = self.loader.loadModel("models/environment")
# Reparent the model to render.
self.scene.reparentTo(self.render)
# Apply scale and position transforms on the model.
self.scene.setScale(0.25, 0.25, 0.25)
self.scene.setPos(-8, 42, 0)
# Add the spinCameraTask procedure to the task manager.
self.taskMgr.add(self.spinCameraTask, "SpinCameraTask")
# Load and transform the panda actor.
self.pandaActor = Actor("models/panda-model",
{"walk": "models/panda-walk4"})
self.pandaActor.setScale(0.005, 0.005, 0.005)
self.pandaActor.reparentTo(self.render)
# Loop its animation.
self.pandaActor.loop("walk")
# Create the four lerp intervals needed for the panda to
# walk back and forth.
posInterval1 = self.pandaActor.posInterval(13,
Point3(0, -10, 0),
startPos=Point3(0, 10, 0))
posInterval2 = self.pandaActor.posInterval(13,
Point3(0, 10, 0),
startPos=Point3(0, -10, 0))
hprInterval1 = self.pandaActor.hprInterval(3,
Point3(180, 0, 0),
startHpr=Point3(0, 0, 0))
hprInterval2 = self.pandaActor.hprInterval(3,
Point3(0, 0, 0),
startHpr=Point3(180, 0, 0))
# Create and play the sequence that coordinates the intervals.
self.pandaPace = Sequence(posInterval1, hprInterval1,
posInterval2, hprInterval2,
name="pandaPace")
self.pandaPace.loop()
# Define a procedure to move the camera.
def spinCameraTask(self, task):
angleDegrees = task.time * 6.0
angleRadians = angleDegrees * (pi / 180.0)
self.camera.setPos(20 * sin(angleRadians), -20 * cos(angleRadians), 3)
self.camera.setHpr(angleDegrees, 0, 0)
return Task.cont
app = MyApp()
app.run()
