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2565f4b423
Renamed gamepad sample script Changed axis usage to the newly created functions and exposed classes
125 lines
4.8 KiB
Python
125 lines
4.8 KiB
Python
#!/usr/bin/env python
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'''
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Demonstrate usage of gamepads and other input devices
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In this sample you can use a gamepad type device to control the camera and
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show some messages on screen. Using the left stick on the controler will
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move the camera where the right stick will rotate the camera.
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'''
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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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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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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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fg=(1,1,1,1),
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scale = .15)
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self.lblAction.hide()
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self.checkDevices()
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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("gamepad0-start", exit)
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self.accept("flight_stick0-start", exit)
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# Accept button events of the first connected gamepad
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self.accept("gamepad0-action_a", self.doAction, extraArgs=[True, "Action"])
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self.accept("gamepad0-action_a-up", self.doAction, extraArgs=[False, "Release"])
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self.accept("gamepad0-action_b", self.doAction, extraArgs=[True, "Action 2"])
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self.accept("gamepad0-action_b-up", self.doAction, extraArgs=[False, "Release"])
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self.environment = loader.loadModel("environment")
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self.environment.reparentTo(render)
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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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# set the center position of the control sticks
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# NOTE: here we assume, that the wheel is centered when the application get started.
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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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gamepads = base.devices.getDevices(InputDevice.DC_gamepad)
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self.lxcenter = gamepads[0].findControl(InputDevice.C_left_x).state
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self.lycenter = gamepads[0].findControl(InputDevice.C_left_y).state
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self.rxcenter = gamepads[0].findControl(InputDevice.C_right_x).state
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self.rycenter = gamepads[0].findControl(InputDevice.C_right_y).state
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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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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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def checkDevices(self):
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# check if we have gamepad devices connected
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if self.devices.get_devices(InputDevice.DC_gamepad):
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# we have at least one gamepad device
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self.lblWarning.hide()
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else:
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# no devices connected
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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 moveTask(self, task):
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dt = globalClock.getDt()
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movementVec = Vec3()
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gamepads = base.devices.getDevices(InputDevice.DC_gamepad)
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if len(gamepads) == 0:
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# savety check
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return task.cont
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# we will use the first found gamepad
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# Move the camera left/right
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movementVec.setX(gamepads[0].findControl(InputDevice.C_left_x).state - self.lxcenter)
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# Move the camera forward/backward
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movementVec.setY(gamepads[0].findControl(InputDevice.C_left_y).state - self.lycenter)
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# Control the cameras heading
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base.camera.setH(base.camera, 100 * dt * (gamepads[0].findControl(InputDevice.C_right_x).state - self.rxcenter))
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# Control the cameras pitch
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base.camera.setP(base.camera, 100 * dt * (gamepads[0].findControl(InputDevice.C_right_y).state - self.rycenter))
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# calculate movement
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base.camera.setX(base.camera, 100 * dt * movementVec.getX())
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base.camera.setY(base.camera, 100 * dt * movementVec.getY())
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return task.cont
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app = App()
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app.run()
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