class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
self.seeNode = self.render.attachNewNode("see")
self.cam.reparentTo(self.seeNode)
self.cam.setPos(0, 0, 5)
self.fpscamera = fpscontroller.FpsController(self, self.seeNode)
self.fpscamera.setFlyMode(True)
self.prevPos = self.fpscamera.getPos()
self.prevInto = None
self.info = self.genLabelText("Position: <unknown>", 4)
self.makeInstructions()
self.initCollisions()
self.leftColor = LVecBase4i(224, 224, 64, 255)
self.rightColor = LVecBase4i(64, 224, 224, 255)
self.isDrawing = False
self.toggleDrawing()
self.accept("escape", sys.exit) # Escape quits
self.accept("enter", self.toggleDrawing)
def initCollisions(self):
# Initialize the collision traverser.
self.cTrav = CollisionTraverser()
self.cTrav.showCollisions(self.render)
# self.cQueue = CollisionHandlerQueue()
# Initialize the Pusher collision handler.
# self.pusher = CollisionHandlerPusher()
self.pusher = CollisionHandlerFloor()
### player
print DirectNotifyGlobal.directNotify.getCategories()
# Create a collsion node for this object.
playerNode = CollisionNode("player")
playerNode.addSolid(CollisionSphere(0, 0, 0, 1))
# playerNode.setFromCollideMask(BitMask32.bit(0))
# playerNode.setIntoCollideMask(BitMask32.allOn())
# Attach the collision node to the object's model.
self.playerC = self.fpscamera.player.attachNewNode(playerNode)
# Set the object's collision node to render as visible.
self.playerC.show()
# Add the 'player' collision node to the Pusher collision handler.
# self.pusher.addCollider(self.playerC, self.fpscamera.player)
# self.pusher.addCollider(playerC, self.fpscamera.player)
# self.cTrav.addCollider(self.playerC, self.cQueue)
def toggleDrawing(self):
self.isDrawing = not self.isDrawing
if self.isDrawing:
self.drawText.setText("Enter: Turn off drawing")
self.fpscamera.setFlyMode(True)
self.prevPos = None
self.cTrav.removeCollider(self.playerC)
self.pusher.removeCollider(self.playerC)
self.removeTask("updatePhysics")
self.addTask(self.drawHere, "drawHere")
self.geomNode = GeomNode("geomNode")
self.geomNodePath = self.render.attachNewNode(self.geomNode)
self.geomNodePath.setTwoSided(True)
# apparently p3tinydisplay needs this
self.geomNodePath.setColorOff()
# Create a collision node for this object.
self.floorCollNode = CollisionNode("geom")
# self.floorCollNode.setFromCollideMask(BitMask32.bit(0))
# self.floorCollNode.setIntoCollideMask(BitMask32.allOn())
# Attach the collision node to the object's model.
floorC = self.geomNodePath.attachNewNode(self.floorCollNode)
# Set the object's collision node to render as visible.
floorC.show()
# self.pusher.addCollider(floorC, self.geomNodePath)
self.newVertexData()
self.newGeom()
else:
self.drawText.setText("Enter: Turn on drawing")
self.removeTask("drawHere")
if self.prevPos:
self.completePath()
self.fpscamera.setFlyMode(True)
self.drive.setPos(self.fpscamera.getPos())
self.cTrav.addCollider(self.playerC, self.pusher)
self.pusher.addCollider(self.playerC, self.fpscamera.player)
self.taskMgr.add(self.updatePhysics, "updatePhysics")
def newVertexData(self):
fmt = GeomVertexFormat.getV3c4()
# fmt = GeomVertexFormat.getV3n3c4()
self.vertexData = GeomVertexData("path", fmt, Geom.UHStatic)
self.vertexWriter = GeomVertexWriter(self.vertexData, "vertex")
# self.normalWriter = GeomVertexWriter(self.vertexData, 'normal')
self.colorWriter = GeomVertexWriter(self.vertexData, "color")
def newGeom(self):
self.triStrips = GeomTristrips(Geom.UHDynamic)
self.geom = Geom(self.vertexData)
self.geom.addPrimitive(self.triStrips)
def makeInstructions(self):
OnscreenText(text="Draw Path by Walking", style=1, fg=(1, 1, 0, 1), pos=(0.5, -0.95), scale=0.07)
self.drawText = self.genLabelText("", 0)
self.genLabelText("Walk (W/S/A/D), Jump=Space, Look=PgUp/PgDn", 1)
self.genLabelText(" (hint, go backwards with S to see your path immediately)", 2)
self.genLabelText("ESC: Quit", 3)
def genLabelText(self, text, i):
return OnscreenText(text=text, pos=(-1.3, 0.95 - 0.05 * i), fg=(1, 1, 0, 1), align=TextNode.ALeft, scale=0.05)
def drawHere(self, task):
pos = self.fpscamera.getPos()
self.info.setText(
"Position: {0}, {1}, {2} at {3} by {4}".format(
int(pos.x * 100) / 100.0,
int(pos.y * 100) / 100.0,
int(pos.z) / 100.0,
self.fpscamera.getHeading(),
self.fpscamera.getLookAngle(),
)
)
prevPos = self.prevPos
if not prevPos:
self.prevPos = pos
elif (pos - prevPos).length() > 1:
self.drawQuadTo(prevPos, pos, 2)
row = self.vertexWriter.getWriteRow()
numPrims = self.triStrips.getNumPrimitives()
if numPrims == 0:
primVerts = row
else:
primVerts = row - self.triStrips.getPrimitiveEnd(numPrims - 1)
if primVerts >= 4:
self.triStrips.closePrimitive()
if row >= 256:
print "Packing and starting anew"
newGeom = True
self.geom.unifyInPlace(row, False)
else:
newGeom = False
self.completePath()
if newGeom:
self.newVertexData()
self.newGeom()
if not newGeom:
self.triStrips.addConsecutiveVertices(row - 2, 2)
else:
self.drawQuadTo(prevPos, pos, 2)
self.leftColor[1] += 63
self.rightColor[2] += 37
self.prevPos = pos
return task.cont
def drawLineTo(self, pos, color):
self.vertexWriter.addData3f(pos.x, pos.y, pos.z)
# self.normalWriter.addData3f(0, 0, 1)
self.colorWriter.addData4i(color)
self.triStrips.addNextVertices(1)
def drawQuadTo(self, a, b, width):
""" a (to) b are vectors defining a line bisecting a new quad. """
into = b - a
if abs(into.x) + abs(into.y) < 1:
if not self.prevInto:
return
into = self.prevInto
print into
else:
into.normalize()
# the perpendicular of (a,b) is (-b,a); we want the path to be "flat" in Z=space
if self.vertexWriter.getWriteRow() == 0:
self.drawQuadRow(a, into, width)
self.drawQuadRow(b, into, width)
self.prevInto = into
def drawQuadRow(self, a, into, width):
""" a defines a point, with 'into' being the normalized direction. """
# the perpendicular of (a,b) is (-b,a); we want the path to be "flat" in Z=space
aLeft = Vec3(a.x - into.y * width, a.y + into.x * width, a.z)
aRight = Vec3(a.x + into.y * width, a.y - into.x * width, a.z)
row = self.vertexWriter.getWriteRow()
self.vertexWriter.addData3f(aLeft)
self.vertexWriter.addData3f(aRight)
# self.normalWriter.addData3f(Vec3(0, 0, 1))
# self.normalWriter.addData3f(Vec3(0, 0, 1))
self.colorWriter.addData4i(self.leftColor)
self.colorWriter.addData4i(self.rightColor)
self.triStrips.addConsecutiveVertices(row, 2)
def completePath(self):
self.geomNode.addGeom(self.geom)
if self.triStrips.getNumPrimitives() == 0:
return
floorMesh = CollisionFloorMesh()
tris = self.triStrips.decompose()
p = 0
vertexReader = GeomVertexReader(self.vertexData, "vertex")
for i in range(tris.getNumPrimitives()):
v0 = tris.getPrimitiveStart(i)
ve = tris.getPrimitiveEnd(i)
if v0 < ve:
vertexReader.setRow(tris.getVertex(v0))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(tris.getVertex(v0 + 1))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(tris.getVertex(v0 + 2))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
floorMesh.addTriangle(p, p + 1, p + 2)
p += 3
self.floorCollNode.addSolid(floorMesh)
def updatePhysics(self, task):
pos = self.fpscamera.getPos()
self.info.setText(
"Position: {0}, {1}, {2}".format(int(pos.x * 100) / 100.0, int(pos.y * 100) / 100.0, int(pos.z) / 100.0)
)
return task.cont
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
self.seeNode = self.render.attachNewNode('see')
self.cam.reparentTo(self.seeNode)
self.cam.setPos(0, 0, 5)
self.fpscamera = fpscontroller.FpsController(self, self.seeNode)
self.fpscamera.setFlyMode(True)
self.prevPos = self.fpscamera.getPos()
self.prevInto = None
self.info = self.genLabelText("Position: <unknown>", 4)
self.makeInstructions()
self.initCollisions()
self.leftColor = LVecBase4i(224, 224, 64, 255)
self.rightColor = LVecBase4i(64, 224, 224, 255)
self.isDrawing = False
self.toggleDrawing()
self.accept("escape", sys.exit) #Escape quits
self.accept("enter", self.toggleDrawing)
def initCollisions(self):
# Initialize the collision traverser.
self.cTrav = CollisionTraverser()
self.cTrav.showCollisions(self.render)
# self.cQueue = CollisionHandlerQueue()
# Initialize the Pusher collision handler.
#self.pusher = CollisionHandlerPusher()
self.pusher = CollisionHandlerFloor()
### player
print DirectNotifyGlobal.directNotify.getCategories()
# Create a collsion node for this object.
playerNode = CollisionNode('player')
playerNode.addSolid(CollisionSphere(0, 0, 0, 1))
# playerNode.setFromCollideMask(BitMask32.bit(0))
# playerNode.setIntoCollideMask(BitMask32.allOn())
# Attach the collision node to the object's model.
self.playerC = self.fpscamera.player.attachNewNode(playerNode)
# Set the object's collision node to render as visible.
self.playerC.show()
# Add the 'player' collision node to the Pusher collision handler.
#self.pusher.addCollider(self.playerC, self.fpscamera.player)
#self.pusher.addCollider(playerC, self.fpscamera.player)
# self.cTrav.addCollider(self.playerC, self.cQueue)
def toggleDrawing(self):
self.isDrawing = not self.isDrawing
if self.isDrawing:
self.drawText.setText("Enter: Turn off drawing")
self.fpscamera.setFlyMode(True)
self.prevPos = None
self.cTrav.removeCollider(self.playerC)
self.pusher.removeCollider(self.playerC)
self.removeTask('updatePhysics')
self.addTask(self.drawHere, 'drawHere')
self.geomNode = GeomNode('geomNode')
self.geomNodePath = self.render.attachNewNode(self.geomNode)
self.geomNodePath.setTwoSided(True)
# apparently p3tinydisplay needs this
self.geomNodePath.setColorOff()
# Create a collision node for this object.
self.floorCollNode = CollisionNode('geom')
# self.floorCollNode.setFromCollideMask(BitMask32.bit(0))
# self.floorCollNode.setIntoCollideMask(BitMask32.allOn())
# Attach the collision node to the object's model.
floorC = self.geomNodePath.attachNewNode(self.floorCollNode)
# Set the object's collision node to render as visible.
floorC.show()
#self.pusher.addCollider(floorC, self.geomNodePath)
self.newVertexData()
self.newGeom()
else:
self.drawText.setText("Enter: Turn on drawing")
self.removeTask('drawHere')
if self.prevPos:
self.completePath()
self.fpscamera.setFlyMode(True)
self.drive.setPos(self.fpscamera.getPos())
self.cTrav.addCollider(self.playerC, self.pusher)
self.pusher.addCollider(self.playerC, self.fpscamera.player)
self.taskMgr.add(self.updatePhysics, 'updatePhysics')
def newVertexData(self):
fmt = GeomVertexFormat.getV3c4()
# fmt = GeomVertexFormat.getV3n3c4()
self.vertexData = GeomVertexData("path", fmt, Geom.UHStatic)
self.vertexWriter = GeomVertexWriter(self.vertexData, 'vertex')
# self.normalWriter = GeomVertexWriter(self.vertexData, 'normal')
self.colorWriter = GeomVertexWriter(self.vertexData, 'color')
def newGeom(self):
self.triStrips = GeomTristrips(Geom.UHDynamic)
self.geom = Geom(self.vertexData)
self.geom.addPrimitive(self.triStrips)
def makeInstructions(self):
OnscreenText(text="Draw Path by Walking",
style=1,
fg=(1, 1, 0, 1),
pos=(0.5, -0.95),
scale=.07)
self.drawText = self.genLabelText("", 0)
self.genLabelText("Walk (W/S/A/D), Jump=Space, Look=PgUp/PgDn", 1)
self.genLabelText(
" (hint, go backwards with S to see your path immediately)", 2)
self.genLabelText("ESC: Quit", 3)
def genLabelText(self, text, i):
return OnscreenText(text=text,
pos=(-1.3, .95 - .05 * i),
fg=(1, 1, 0, 1),
align=TextNode.ALeft,
scale=.05)
def drawHere(self, task):
pos = self.fpscamera.getPos()
self.info.setText("Position: {0}, {1}, {2} at {3} by {4}".format(
int(pos.x * 100) / 100.,
int(pos.y * 100) / 100.,
int(pos.z) / 100., self.fpscamera.getHeading(),
self.fpscamera.getLookAngle()))
prevPos = self.prevPos
if not prevPos:
self.prevPos = pos
elif (pos - prevPos).length() > 1:
self.drawQuadTo(prevPos, pos, 2)
row = self.vertexWriter.getWriteRow()
numPrims = self.triStrips.getNumPrimitives()
if numPrims == 0:
primVerts = row
else:
primVerts = row - self.triStrips.getPrimitiveEnd(numPrims - 1)
if primVerts >= 4:
self.triStrips.closePrimitive()
if row >= 256:
print "Packing and starting anew"
newGeom = True
self.geom.unifyInPlace(row, False)
else:
newGeom = False
self.completePath()
if newGeom:
self.newVertexData()
self.newGeom()
if not newGeom:
self.triStrips.addConsecutiveVertices(row - 2, 2)
else:
self.drawQuadTo(prevPos, pos, 2)
self.leftColor[1] += 63
self.rightColor[2] += 37
self.prevPos = pos
return task.cont
def drawLineTo(self, pos, color):
self.vertexWriter.addData3f(pos.x, pos.y, pos.z)
# self.normalWriter.addData3f(0, 0, 1)
self.colorWriter.addData4i(color)
self.triStrips.addNextVertices(1)
def drawQuadTo(self, a, b, width):
""" a (to) b are vectors defining a line bisecting a new quad. """
into = (b - a)
if abs(into.x) + abs(into.y) < 1:
if not self.prevInto:
return
into = self.prevInto
print into
else:
into.normalize()
# the perpendicular of (a,b) is (-b,a); we want the path to be "flat" in Z=space
if self.vertexWriter.getWriteRow() == 0:
self.drawQuadRow(a, into, width)
self.drawQuadRow(b, into, width)
self.prevInto = into
def drawQuadRow(self, a, into, width):
""" a defines a point, with 'into' being the normalized direction. """
# the perpendicular of (a,b) is (-b,a); we want the path to be "flat" in Z=space
aLeft = Vec3(a.x - into.y * width, a.y + into.x * width, a.z)
aRight = Vec3(a.x + into.y * width, a.y - into.x * width, a.z)
row = self.vertexWriter.getWriteRow()
self.vertexWriter.addData3f(aLeft)
self.vertexWriter.addData3f(aRight)
# self.normalWriter.addData3f(Vec3(0, 0, 1))
# self.normalWriter.addData3f(Vec3(0, 0, 1))
self.colorWriter.addData4i(self.leftColor)
self.colorWriter.addData4i(self.rightColor)
self.triStrips.addConsecutiveVertices(row, 2)
def completePath(self):
self.geomNode.addGeom(self.geom)
if self.triStrips.getNumPrimitives() == 0:
return
floorMesh = CollisionFloorMesh()
tris = self.triStrips.decompose()
p = 0
vertexReader = GeomVertexReader(self.vertexData, 'vertex')
for i in range(tris.getNumPrimitives()):
v0 = tris.getPrimitiveStart(i)
ve = tris.getPrimitiveEnd(i)
if v0 < ve:
vertexReader.setRow(tris.getVertex(v0))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(tris.getVertex(v0 + 1))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(tris.getVertex(v0 + 2))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
floorMesh.addTriangle(p, p + 1, p + 2)
p += 3
self.floorCollNode.addSolid(floorMesh)
def updatePhysics(self, task):
pos = self.fpscamera.getPos()
self.info.setText("Position: {0}, {1}, {2}".format(
int(pos.x * 100) / 100.,
int(pos.y * 100) / 100.,
int(pos.z) / 100.))
return task.cont
