def updateGUI(self, boundingBox):
boundingBox = boundingBox * 2
offsetX = 0.0
offsetZ = 0.0
# would be fine for minimap
self.playerobj.setX(self.player.getX() / boundingBox)
self.playerobj.setZ(self.player.getY() / boundingBox)
# player center
if (self.playerobj.getX() > 0.5):
offsetX = -(self.playerobj.getX() - 0.5)
elif (self.playerobj.getX() < 0.5):
offsetX = 0.5 - self.playerobj.getX()
# else stays zero
if (self.playerobj.getZ() > 0.5):
offsetZ = -(self.playerobj.getZ() - 0.5)
elif (self.playerobj.getZ() < 0.5):
offsetZ = 0.5 - self.playerobj.getZ()
self.playerobj.setX(self.playerobj.getX() + offsetX)
self.playerobj.setZ(self.playerobj.getZ() + offsetZ)
for dot in self.dots:
dot.removeNode() # correct way to remove from scene graph
del self.dots[:]
self.playerobj.setR(-self.player.getH() - 90)
newobj = OnscreenImage(image='reddot.png',scale=1.0/60.0, \
parent=self.radar)
newobj.setTransparency(TransparencyAttrib.MAlpha)
newobj.setX(self.partner.getX() / boundingBox)
newobj.setZ(self.partner.getY() / boundingBox)
newobj.setX(newobj.getX() + offsetX)
newobj.setZ(newobj.getZ() + offsetZ)
self.dots.append(newobj) # so can destroy, see call above
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
# relevant for DEBUG
self.debug = True
self.debugLabel = self.makeStatusLabel(0)
if (self.debug):
self.debugLabel.setText("Debug Mode ON")
else:
self.debugLabel.setText("Debug Mode OFF")
self.statusLabel = self.makeStatusLabel(1)
self.collisionLabel = self.makeStatusLabel(2)
self.world = self.loader.loadModel("world.bam")
self.world.reparentTo(self.render)
# relevant for world boundaries
self.worldsize = 1024
self.maxspeed = 100.0
self.startPos = Vec3(200, 200, 1)
self.startHpr = Vec3(225, 0, 0)
self.player = self.loader.loadModel("alliedflanker")
self.player.setScale(.2, .2, .2)
self.player.reparentTo(self.render)
self.resetPlayer()
self.startPosPartner = Vec3(200, 200, 1)
self.startHprPartner = Vec3(225, 0, 0)
self.partner = self.loader.loadModel("alliedflanker")
self.partner.setScale(.2, .2, .2)
self.partner.reparentTo(self.render)
self.resetPartner()
# A task to run every frame
self.taskMgr.add(self.updateTask, "update")
self.keyboardSetup()
#performance (to be masked later by fog) and view:
self.maxdistance = 400
self.camLens.setFar(self.maxdistance)
self.camLens.setFov(60)
self.createEnviroment()
# relevant for collision and DEBUG
self.setupCollisions()
self.textCounter = 0
# explosion
self.explosionModel = loader.loadModel('explosion')
self.explosionModel.reparentTo(self.render)
self.explosionModel.setScale(0.0)
self.explosionModel.setLightOff()
# only one explosion at a time:
self.exploding = False
self.radar
# relevant for DEBUG
def makeStatusLabel(self, i):
return OnscreenText(style=2, fg=(.5,1,.5,1), pos=(-1.3,0.92-(.08*i)),\
align=TextNode.ALeft, scale = .08, mayChange = 1)
# relevant for collision and DEBUG
def setupCollisions(self):
self.collTrav = CollisionTraverser()
self.playerGroundSphere = CollisionSphere(0, 1.5, 56, 1)
self.playerGroundCol = CollisionNode('playerSphere')
self.playerGroundCol.addSolid(self.playerGroundSphere)
# bitmask
self.playerGroundCol.setFromCollideMask(BitMask32.bit(0))
self.playerGroundCol.setIntoCollideMask(BitMask32.allOff())
self.world.setCollideMask(BitMask32.bit(0))
# and done
self.playerGroundColNp = self.player.attachNewNode(
self.playerGroundCol)
self.playerGroundHandler = CollisionHandlerQueue()
self.collTrav.addCollider(self.playerGroundColNp,
self.playerGroundHandler)
# DEBUG
if (self.debug == True):
self.playerGroundColNp.show()
self.collTrav.showCollisions(self.render)
def keyboardSetup(self):
self.keyMap = {
"left": 0,
"right": 0,
"climb": 0,
"fall": 0,
"accelerate": 0,
"decelerate": 0,
"fire": 0
}
self.accept("escape", sys.exit)
self.accept("a", self.setKey, ["accelerate", 1])
self.accept("a-up", self.setKey, ["accelerate", 0])
self.accept("z", self.setKey, ["decelerate", 1])
self.accept("z-up", self.setKey, ["decelerate", 0])
self.accept("arrow_left", self.setKey, ["left", 1])
self.accept("arrow_left-up", self.setKey, ["left", 0])
self.accept("arrow_right", self.setKey, ["right", 1])
self.accept("arrow_right-up", self.setKey, ["right", 0])
self.accept("arrow_down", self.setKey, ["climb", 1])
self.accept("arrow_down-up", self.setKey, ["climb", 0])
self.accept("arrow_up", self.setKey, ["fall", 1])
self.accept("arrow_up-up", self.setKey, ["fall", 0])
self.accept("space", self.setKey, ["fire", 1])
self.accept("space-up", self.setKey, ["fire", 0])
base.disableMouse() # or updateCamera will fail
def createEnviroment(self):
# Fog to hide performance tweak:
colour = (0.5, 0.5, 0.5)
expfog = Fog("scene-wide-fog")
expfog.setColor(*colour)
expfog.setExpDensity(0.002)
self.render.setFog(expfog)
base.setBackgroundColor(*colour)
# Our sky
skydome = self.loader.loadModel('blue-sky-sphere')
skydome.setEffect(CompassEffect.make(self.render))
skydome.setScale(0.08) # bit less than "far"
# NOT render - you`ll fly through the sky!:
skydome.reparentTo(self.camera)
# Our lighting
ambientLight = AmbientLight("ambientLight")
ambientLight.setColor(Vec4(.6, .6, .6, 1))
render.setLight(render.attachNewNode(ambientLight))
directionalLight = DirectionalLight("directionalLight")
directionalLight.setColor(Vec4(0.8, 0.8, 0.5, 1))
dlnp = self.render.attachNewNode(directionalLight)
dlnp.setPos(0, 0, 260)
dlnp.lookAt(self.player)
self.render.setLight(dlnp)
self.render2d = render2d
# image scale of 1 fills screen, position defaults to central
Scale = 1.0 / 2.5 # decimal point is VITAL
self.radar = OnscreenImage(image='radar.png', scale=Scale, \
parent=self.render2d, pos=(-0.95,0,-0.95))
self.radar.setTransparency(TransparencyAttrib.MAlpha)
# note the image itself and how it is centered
hud = OnscreenImage(image='hud1.png', scale=1, \
parent=self.render2d, pos=(0,0,0))
hud.setTransparency(TransparencyAttrib.MAlpha)
self.dots = list()
self.playerobj = OnscreenImage(image='playerdot.png', \
scale=1.0/20.0,parent=self.radar)
self.playerobj.setTransparency(TransparencyAttrib.MAlpha)
def setKey(self, key, value):
self.keyMap[key] = value
def updateTask(self, task):
self.updatePlayer()
self.updateCamera()
self.updateGUI(self.worldsize)
#relevant for collision and DEBUG
self.collTrav.traverse(self.render)
for i in range(self.playerGroundHandler.getNumEntries()):
entry = self.playerGroundHandler.getEntry(i)
if (self.debug == True):
self.collisionLabel.setText("HIT:" +
str(globalClock.getFrameTime()))
if (self.exploding == False):
self.player.setZ(entry.getSurfacePoint(self.render).getZ() + 5)
self.explosionSequence()
return Task.cont
def updatePlayer(self):
if self.exploding == False:
#Global Clock
#by default, panda runs as fast as it can frame to frame
scalefactor = (globalClock.getDt() * self.speed)
climbfactor = scalefactor * 0.5
bankfactor = scalefactor
speedfactor = scalefactor * 2.9
gravityfactor = ((self.maxspeed - self.speed) / 100.0) * 2.0
#Climb and Fall
if (self.keyMap["climb"] != 0 and self.speed > 0.00):
#faster you go, quicker you climb
self.player.setZ(self.player.getZ() + climbfactor)
self.player.setR(self.player.getR() + climbfactor)
#quickest return: (:avoids uncoil/unwind)
if (self.player.getR() >= 180):
self.player.setR(-180)
elif (self.keyMap["fall"] != 0 and self.speed > 0.00):
self.player.setZ(self.player.getZ() - climbfactor)
self.player.setR(self.player.getR() - climbfactor)
#quickest return
if (self.player.getR() <= -180):
self.player.setR(
180
) #autoreturn - add a bit regardless to make sure it happens
elif (self.player.getR() > 0):
self.player.setR(self.player.getR() - (climbfactor + 0.1))
if (self.player.getR() < 0):
self.player.setR(0) #avoid jitter
elif (self.player.getR() < 0):
self.player.setR(self.player.getR() + (climbfactor + 0.1))
if (self.player.getR() > 0):
self.player.setR(0)
#Left and Right
if (self.keyMap["left"] != 0 and self.speed > 0.0):
self.player.setH(self.player.getH() + bankfactor)
self.player.setP(self.player.getP() + bankfactor)
#quickest return:
if (self.player.getP() >= 180):
self.player.setP(-180)
elif (self.keyMap["right"] != 0 and self.speed > 0.0):
self.player.setH(self.player.getH() - bankfactor)
self.player.setP(self.player.getP() - bankfactor)
if (self.player.getP() <= -180):
self.player.setP(180)
#autoreturn
elif (self.player.getP() > 0):
self.player.setP(self.player.getP() - (bankfactor + 0.1))
if (self.player.getP() < 0):
self.player.setP(0)
elif (self.player.getP() < 0):
self.player.setP(self.player.getP() + (bankfactor + 0.1))
if (self.player.getP() > 0):
self.player.setP(0)
#throttle control
if (self.keyMap["accelerate"] != 0):
self.speed += 1
if (self.speed > self.maxspeed):
self.speed = self.maxspeed
elif (self.keyMap["decelerate"] != 0):
self.speed -= 1
if (self.speed < 0.0):
self.speed = 0.0
#move forwards - our X/Y is inverted, see the issue
self.player.setX(
self.player, -speedfactor
) #respect max camera distance else you cannot see the floor post loop the loop!
self.applyBoundaries()
self.player.setZ(self.player, -gravityfactor)
def updateGUI(self, boundingBox):
boundingBox = boundingBox * 2
offsetX = 0.0
offsetZ = 0.0
# would be fine for minimap
self.playerobj.setX(self.player.getX() / boundingBox)
self.playerobj.setZ(self.player.getY() / boundingBox)
# player center
if (self.playerobj.getX() > 0.5):
offsetX = -(self.playerobj.getX() - 0.5)
elif (self.playerobj.getX() < 0.5):
offsetX = 0.5 - self.playerobj.getX()
# else stays zero
if (self.playerobj.getZ() > 0.5):
offsetZ = -(self.playerobj.getZ() - 0.5)
elif (self.playerobj.getZ() < 0.5):
offsetZ = 0.5 - self.playerobj.getZ()
self.playerobj.setX(self.playerobj.getX() + offsetX)
self.playerobj.setZ(self.playerobj.getZ() + offsetZ)
for dot in self.dots:
dot.removeNode() # correct way to remove from scene graph
del self.dots[:]
self.playerobj.setR(-self.player.getH() - 90)
newobj = OnscreenImage(image='reddot.png',scale=1.0/60.0, \
parent=self.radar)
newobj.setTransparency(TransparencyAttrib.MAlpha)
newobj.setX(self.partner.getX() / boundingBox)
newobj.setZ(self.partner.getY() / boundingBox)
newobj.setX(newobj.getX() + offsetX)
newobj.setZ(newobj.getZ() + offsetZ)
self.dots.append(newobj) # so can destroy, see call above
def applyBoundaries(self):
if (self.player.getZ() > self.maxdistance):
self.player.setZ(self.maxdistance)
# should never happen once we add collision, but in case:
elif (self.player.getZ() < 0):
self.player.setZ(0)
# and now the X/Y world boundaries:
boundary = False
if (self.player.getX() < 0):
self.player.setX(0)
boundary = True
elif (self.player.getX() > self.worldsize):
self.player.setX(self.worldsize)
boundary = True
if (self.player.getY() < 0):
self.player.setY(0)
boundary = True
elif (self.player.getY() > self.worldsize):
self.player.setY(self.worldsize)
boundary = True
# lets not be doing this every frame...
if boundary == True and self.textCounter > 30:
self.statusLabel.setText("STATUS: MAP END; TURN AROUND")
elif self.textCounter > 30:
self.statusLabel.setText("STATUS: OK")
if self.textCounter > 30:
self.textCounter = 0
else:
self.textCounter = self.textCounter + 1
def updateCamera(self):
#see issue content for how we calculated these:
percent = (self.speed / self.maxspeed)
self.camera.setPos(self.player, 19.6226 + (10 * percent), 3.8807,
10.2779)
self.camera.setHpr(self.player, 94.8996, -12.6549, 1.55508)
def resetPlayer(self):
self.player.show()
self.player.setPos(self.world, self.startPos)
self.player.setHpr(self.world, self.startHpr)
self.speed = self.maxspeed / 2
def resetPartner(self):
self.partner.show()
self.partner.setPos(self.world, self.startPosPartner)
self.partner.setHpr(self.world, self.startHprPartner)
def explosionSequence(self):
self.exploding = True
self.explosionModel.setPosHpr(
Vec3(self.player.getX(), self.player.getY(), self.player.getZ()),
Vec3(self.player.getH(), 0, 0))
self.player.hide()
taskMgr.add(self.expandExplosion, 'expandExplosion')
def expandExplosion(self, Task):
# expand the explosion rign each frame until a certain size
if self.explosionModel.getScale() < VBase3(60.0, 60.0, 60.0):
factor = globalClock.getDt()
scale = self.explosionModel.getScale()
scale = scale + VBase3(factor * 40, factor * 40, factor * 40)
self.explosionModel.setScale(scale)
return Task.cont
else:
self.explosionModel.setScale(0)
self.exploding = False
self.resetPlayer()