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synced 2025-09-30 08:44:19 -04:00
Updated steering wheel sample
made steering wheel sample work with current version of input classes
This commit is contained in:
fireclawthefox
parent
c4b3b558c9
commit
aff9befd35
@ -11,19 +11,21 @@ from direct.showbase.ShowBase import ShowBase
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from panda3d.core import TextNode, InputDevice, loadPrcFileData, Vec3
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from direct.gui.OnscreenText import OnscreenText
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loadPrcFileData("", "notify-level-device debug")
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loadPrcFileData("", """
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default-fov 60
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notify-level-device debug
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""")
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class App(ShowBase):
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def __init__(self):
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ShowBase.__init__(self)
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# print all events sent through the messenger
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self.messenger.toggleVerbose()
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# Print all events sent through the messenger
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#self.messenger.toggleVerbose()
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self.lblWarning = OnscreenText(
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text = "No devices found",
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fg=(1,0,0,1),
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scale = .25)
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self.lblWarning.hide()
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self.lblAction = OnscreenText(
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text = "Action",
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@ -31,7 +33,11 @@ class App(ShowBase):
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scale = .15)
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self.lblAction.hide()
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self.checkDevices()
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# Is there a steering wheel connected?
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self.wheel = None
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devices = self.devices.getDevices(InputDevice.DC_steering_wheel)
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if devices:
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self.connect(devices[0])
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self.currentMoveSpeed = 0.0
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self.maxAccleration = 28.0
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@ -40,17 +46,15 @@ class App(ShowBase):
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self.maxSpeed = 80.0
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# Accept device dis-/connection events
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# NOTE: catching the events here will overwrite the accept in showbase, hence
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# we need to forward the event in the functions we set here!
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self.accept("connect-device", self.connect)
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self.accept("disconnect-device", self.disconnect)
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self.accept("escape", exit)
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self.accept("flight_stick0-start", exit)
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# Accept button events of the first connected steering wheel
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self.accept("steering_wheel0-action_a", self.doAction, extraArgs=[True, "Action"])
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self.accept("steering_wheel0-action_a-up", self.doAction, extraArgs=[False, "Release"])
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self.accept("steering_wheel0-face_a", self.action, extraArgs=["Action"])
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self.accept("steering_wheel0-face_a-up", self.actionUp)
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self.accept("steering_wheel0-hat_up", self.center_wheel)
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self.environment = loader.loadModel("environment")
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self.environment.reparentTo(render)
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@ -60,51 +64,74 @@ class App(ShowBase):
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# In real world applications, you should notice the user and give him enough time
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# to center the wheel until you store the center position of the controler!
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self.wheelCenter = 0
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wheels = base.devices.getDevices(InputDevice.DC_steering_wheel)
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if len(wheels) > 0:
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self.wheelCenter = wheels[0].findControl(InputDevice.C_wheel).state
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if self.wheel is not None:
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self.wheelCenter = self.wheel.findAxis(InputDevice.Axis.wheel).value
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# disable pandas default mouse-camera controls so we can handle the camera
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# movements by ourself
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self.disableMouse()
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base.camera.setZ(2)
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self.reset()
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self.taskMgr.add(self.moveTask, "movement update task")
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def connect(self, device):
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# we need to forward the event to the connectDevice function of showbase
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self.connectDevice(device)
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# Now we can check for ourself
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self.checkDevices()
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"""Event handler that is called when a device is discovered."""
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# We're only interested if this is a steering wheel and we don't have a
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# wheel yet.
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if device.device_class == InputDevice.DC_steering_wheel and not self.wheel:
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print("Found %s" % (device))
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self.wheel = device
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# Enable this device to ShowBase so that we can receive events.
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# We set up the events with a prefix of "steering_wheel0-".
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self.attachInputDevice(device, prefix="steering_wheel0")
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# Hide the warning that we have no devices.
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self.lblWarning.hide()
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def disconnect(self, device):
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# we need to forward the event to the disconnectDevice function of showbase
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self.disconnectDevice(device)
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# Now we can check for ourself
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self.checkDevices()
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"""Event handler that is called when a device is removed."""
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def checkDevices(self):
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# check if we have wheel devices connected
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if self.devices.get_devices(InputDevice.DC_steering_wheel):
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# we have at least one steering wheel device
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self.lblWarning.hide()
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if self.wheel != device:
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# We don't care since it's not our wheel.
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return
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# Tell ShowBase that the device is no longer needed.
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print("Disconnected %s" % (device))
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self.detachInputDevice(device)
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self.wheel = None
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# Do we have any steering wheels? Attach the first other steering wheel.
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devices = self.devices.getDevices(InputDevice.DC_steering_wheel)
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if devices:
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self.connect(devices[0])
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else:
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# no devices connected
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# No devices. Show the warning.
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self.lblWarning.show()
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def doAction(self, showText, text):
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if showText and self.lblAction.isHidden():
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self.lblAction.show()
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else:
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self.lblAction.hide()
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def reset(self):
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"""Reset the camera to the initial position."""
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self.camera.setPosHpr(0, -200, 2, 0, 0, 0)
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def action(self, button):
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# Just show which button has been pressed.
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self.lblAction.text = "Pressed %s" % button
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self.lblAction.show()
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def actionUp(self):
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# Hide the label showing which button is pressed.
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self.lblAction.hide()
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def center_wheel(self):
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"""Reset the wheels center rotation to the current rotation of the wheel"""
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self.wheelCenter = self.wheel.findAxis(InputDevice.Axis.wheel).value
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def moveTask(self, task):
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dt = globalClock.getDt()
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movementVec = Vec3()
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wheels = base.devices.getDevices(InputDevice.DC_steering_wheel)
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if len(wheels) == 0:
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# savety check
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if not self.wheel:
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return task.cont
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if self.currentMoveSpeed > 0:
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@ -114,21 +141,21 @@ class App(ShowBase):
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# we will use the first found wheel
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# Acclerate
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acclearatorPedal = wheels[0].findControl(InputDevice.C_accelerator).state
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accleratorPedal = self.wheel.findAxis(InputDevice.Axis.accelerator).value
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accleration = accleratorPedal * self.maxAccleration
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if self.currentMoveSpeed > accleratorPedal * self.maxSpeed:
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self.currentMoveSpeed -= dt * self.deaccleration
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self.currentMoveSpeed += dt * accleration
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# Break
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breakPedal = wheels[0].findControl(InputDevice.C_brake).state
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breakPedal = self.wheel.findAxis(InputDevice.Axis.brake).value
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deacleration = breakPedal * self.deaclerationBreak
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self.currentMoveSpeed -= dt * deacleration
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if self.currentMoveSpeed < 0:
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self.currentMoveSpeed = 0
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# Steering
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rotation = self.wheelCenter - wheels[0].findControl(InputDevice.C_wheel).state
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rotation = self.wheelCenter - self.wheel.findAxis(InputDevice.Axis.wheel).value
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base.camera.setH(base.camera, 100 * dt * rotation)
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# calculate movement
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