class HNewGameObject(NodePath):
def __init__(self, name, scene, visualMesh, physicsMesh=None, physicsType="character", shapeMargin=0.02, stepHeight=0.5, x=0, y=0, z=0, mass=0, convex=True,
directRender=True, parent=None):
global physicsTypes
self.name = name
self.scene = scene
NodePath.__init__(self, self.scene.loadEgg(visualMesh))
if physicsMesh != None:
if physicsType == "rigid":
self.body = BulletRigidBodyNode(self.name + "_RigidBody")
self.attachNewNode(self.body)
m = self.scene.Base.loader.loadModel(physicsMesh)
if convex:
sTuple = modelToConvex(m)
else:
sTuple = modelToShape(m)
sTuple[0].setMargin(shapeMargin)
self.body.addShape(sTuple[0], sTuple[1])
self.body.setMass(mass)
self.body.setPythonTag("name", self.name + "_RigidBody")
self.scene.world.attachRigidBody(self.body)
elif physicsType=="character":
m = self.scene.Base.loader.loadModel(physicsMesh)
sTuple = modelToConvex(m)
sTuple[0].setMargin(shapeMargin)
self.body = BulletCharacterControllerNode(sTuple[0], stepHeight, self.name + "_Character")
self.attachNewNode(self.body)
self.body.setPythonTag("name", self.name + "_Character")
self.scene.world.attachCharacter(self.body)
self.setPos(x, y, z)
if directRender:
self.reparentTo(self.scene.Base.render)
elif parent != None:
self.reparentTo(parent)
class Game(DirectObject):
def __init__(self):
base.setBackgroundColor(0.1, 0.1, 0.8, 1)
base.setFrameRateMeter(True)
base.cam.setPos(0, -20, 4)
base.cam.lookAt(0, 0, 0)
# Light
alight = AmbientLight('ambientLight')
alight.setColor(Vec4(0.5, 0.5, 0.5, 1))
alightNP = render.attachNewNode(alight)
dlight = DirectionalLight('directionalLight')
dlight.setDirection(Vec3(1, 1, -1))
dlight.setColor(Vec4(0.7, 0.7, 0.7, 1))
dlightNP = render.attachNewNode(dlight)
render.clearLight()
render.setLight(alightNP)
render.setLight(dlightNP)
# Input
self.accept('escape', self.doExit)
self.accept('r', self.doReset)
self.accept('f1', self.toggleWireframe)
self.accept('f2', self.toggleTexture)
self.accept('f3', self.toggleDebug)
self.accept('f5', self.doScreenshot)
self.accept('space', self.doJump)
self.accept('c', self.doCrouch)
inputState.watchWithModifiers('forward', 'w')
inputState.watchWithModifiers('left', 'a')
inputState.watchWithModifiers('reverse', 's')
inputState.watchWithModifiers('right', 'd')
inputState.watchWithModifiers('turnLeft', 'q')
inputState.watchWithModifiers('turnRight', 'e')
# Task
taskMgr.add(self.update, 'updateWorld')
# Physics
self.setup()
# _____HANDLER_____
def doExit(self):
self.cleanup()
sys.exit(1)
def doReset(self):
self.cleanup()
self.setup()
def toggleWireframe(self):
base.toggleWireframe()
def toggleTexture(self):
base.toggleTexture()
def toggleDebug(self):
if self.debugNP.isHidden():
self.debugNP.show()
else:
self.debugNP.hide()
def doScreenshot(self):
base.screenshot('Bullet')
def doJump(self):
self.character.setMaxJumpHeight(5.0)
self.character.setJumpSpeed(8.0)
self.character.doJump()
def doCrouch(self):
self.crouching = not self.crouching
sz = self.crouching and 0.6 or 1.0
self.characterNP.setScale(Vec3(1, 1, sz))
#self.character.getShape().setLocalScale(Vec3(1, 1, sz))
#self.characterNP.setScale(Vec3(1, 1, sz) * 0.3048)
#self.characterNP.setPos(0, 0, -1 * sz)
# ____TASK___
def processInput(self, dt):
speed = Vec3(0, 0, 0)
omega = 0.0
if inputState.isSet('forward'): speed.setY( 2.0)
if inputState.isSet('reverse'): speed.setY(-2.0)
if inputState.isSet('left'): speed.setX(-2.0)
if inputState.isSet('right'): speed.setX( 2.0)
if inputState.isSet('turnLeft'): omega = 120.0
if inputState.isSet('turnRight'): omega = -120.0
self.character.setAngularMovement(omega)
self.character.setLinearMovement(speed, True)
def update(self, task):
dt = globalClock.getDt()
self.processInput(dt)
self.world.doPhysics(dt, 4, 1./240.)
return task.cont
def cleanup(self):
self.world = None
self.worldNP.removeNode()
def setup(self):
self.worldNP = render.attachNewNode('World')
# World
self.debugNP = self.worldNP.attachNewNode(BulletDebugNode('Debug'))
self.debugNP.show()
self.world = BulletWorld()
self.world.setGravity(Vec3(0, 0, -9.81))
self.world.setDebugNode(self.debugNP.node())
# Ground
shape = BulletPlaneShape(Vec3(0, 0, 1), 0)
#img = PNMImage(Filename('models/elevation2.png'))
#shape = BulletHeightfieldShape(img, 1.0, ZUp)
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Ground'))
np.node().addShape(shape)
np.setPos(0, 0, -1)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Box
shape = BulletBoxShape(Vec3(1.0, 3.0, 0.3))
np = self.worldNP.attachNewNode(BulletRigidBodyNode('Box'))
np.node().setMass(10.0)
np.node().addShape(shape)
np.setPos(3, 0, 4)
np.setH(20.0)
np.setCollideMask(BitMask32.allOn())
self.world.attachRigidBody(np.node())
# Character
self.crouching = False
h = 1.75
w = 0.4
shape = BulletCapsuleShape(w, h - 2 * w, ZUp)
self.character = BulletCharacterControllerNode(shape, 0.4, 'Player')
self.character.setMass(1.0)
self.characterNP = self.worldNP.attachNewNode(self.character)
self.characterNP.setPos(-2, 0, 14)
self.characterNP.setH(45)
self.characterNP.setCollideMask(BitMask32.allOn())
self.world.attachCharacter(self.character)
self.actorNP = Actor('models/ralph/ralph.egg', {
'run' : 'models/ralph/ralph-run.egg',
'walk' : 'models/ralph/ralph-walk.egg',
'jump' : 'models/ralph/ralph-jump.egg'})
self.actorNP.reparentTo(self.characterNP)
self.actorNP.setScale(0.3048) # 1ft = 0.3048m
self.actorNP.setH(180)
self.actorNP.setPos(0, 0, -1)
