def __init__(self, mp):
vdata = GeomVertexData("name_me", GeomVertexFormat.getV3c4(), Geom.UHStatic)
vertex = GeomVertexWriter(vdata, "vertex")
color = GeomVertexWriter(vdata, "color")
primitive = GeomTristrips(Geom.UHStatic)
film_size = base.cam.node().getLens().getFilmSize()
x = film_size.getX() / 2.0
z = x * 256.0 / 240.0
vertex.addData3f(x, 90, z)
vertex.addData3f(-x, 90, z)
vertex.addData3f(x, 90, -z)
vertex.addData3f(-x, 90, -z)
color.addData4f(VBase4(*mp["backgroundcolor1"]))
color.addData4f(VBase4(*mp["backgroundcolor1"]))
color.addData4f(VBase4(*mp["backgroundcolor2"]))
color.addData4f(VBase4(*mp["backgroundcolor2"]))
primitive.addNextVertices(4)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
self.node = GeomNode("sky")
self.node.addGeom(geom)
base.camera.attachNewNode(self.node)
def __init__(self, mp):
vdata = GeomVertexData('name_me', GeomVertexFormat.getV3c4(),
Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomTristrips(Geom.UHStatic)
film_size = base.cam.node().getLens().getFilmSize()
x = film_size.getX() / 2.0
z = x * 256.0 / 240.0
vertex.addData3f(x, 90, z)
vertex.addData3f(-x, 90, z)
vertex.addData3f(x, 90, -z)
vertex.addData3f(-x, 90, -z)
color.addData4f(VBase4(*mp['backgroundcolor1']))
color.addData4f(VBase4(*mp['backgroundcolor1']))
color.addData4f(VBase4(*mp['backgroundcolor2']))
color.addData4f(VBase4(*mp['backgroundcolor2']))
primitive.addNextVertices(4)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
self.node = GeomNode('sky')
self.node.addGeom(geom)
base.camera.attachNewNode(self.node)
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.fpscamera.setMouseLook(True)
self.prevPos = self.fpscamera.getPos()
self.prevInto = None
self.makeInstructions()
self.info = self.genLabelText("Position: <unknown>", 2)
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)
# Initialize the Pusher collision handler.
self.pusher = CollisionHandlerFloor()
### player
# Create a collsion node for this object.
playerNode = CollisionNode('player')
playerNode.addSolid(CollisionSphere(0, 0, 0, 1))
# 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()
def toggleDrawing(self):
self.isDrawing = not self.isDrawing
if self.isDrawing:
self.instructionText.setText(
'Enter: Generate Tunnel from Movement')
self.fpscamera.setFlyMode(True)
self.prevPos = None
# self.cTrav.remosveCollider(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')
# 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.newVertexData()
self.newGeom()
else:
self.instructionText.setText('Enter: Record Movement for Tunnel')
self.removeTask('drawHere')
if self.prevPos:
#self.completePath()
self.completeTunnelPath()
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 (WSAD/space/mouselook)",
style=1,
fg=(1, 1, 0, 1),
pos=(0.5, -0.95),
scale=.07)
self.genLabelText("ESC: Quit", 0)
self.instructionText = self.genLabelText("", 1)
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.extendPathQuad(prevPos, pos, 2)
self.extendPathTunnel(prevPos, pos, 3)
self.leftColor[1] += 63
self.rightColor[2] += 37
self.prevPos = pos
return task.cont
def extendPathQuad(self, prevPos, pos, width):
self.drawQuadTo(prevPos, pos, width)
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.completeQuadPath()
if newGeom:
self.newVertexData()
self.newGeom()
if newGeom:
self.drawQuadTo(prevPos, pos, width)
else:
self.triStrips.addConsecutiveVertices(row - 2, 2)
def extendPathTunnel(self, prevPos, pos, width):
self.drawTunnelTo(prevPos, pos, width)
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)
return 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:
# ensure that if we jump in place, we don't get a thin segment
if not self.prevInto:
return
into = self.prevInto
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)
verts = self.drawQuadRow(b, into, width)
self.prevInto = into
return verts
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)
return 2
def drawTunnelTo(self, a, b, width):
""" a (to) b are vectors defining a line bisecting a new tunnel segment. """
into = (b - a)
if abs(into.x) + abs(into.y) < 1:
# ensure that if we jump in place, we don't get a thin segment
if not self.prevInto:
return
into = self.prevInto
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.drawTunnelBoundary(a, into, width)
row = self.vertexWriter.getWriteRow()
verts = self.drawTunnelBoundary(b, into, width)
totalVerts = self.drawTunnelRow(row, verts)
self.prevInto = into
return totalVerts
def drawTunnelBoundary(self, a, into, width):
""" a defines a point, with 'into' being the normalized direction. """
aLowLeft = Vec3(a.x - into.y * width, a.y + into.x * width, a.z)
aLowRight = Vec3(a.x + into.y * width, a.y - into.x * width, a.z)
aHighRight = Vec3(a.x + into.y * width, a.y - into.x * width,
a.z + width * 3)
aHighLeft = Vec3(a.x - into.y * width, a.y + into.x * width,
a.z + width * 3)
self.vertexWriter.addData3f(aLowLeft)
self.vertexWriter.addData3f(aLowRight)
self.vertexWriter.addData3f(aHighRight)
self.vertexWriter.addData3f(aHighLeft)
self.colorWriter.addData4i(self.leftColor)
self.colorWriter.addData4i(self.rightColor)
self.colorWriter.addData4i(self.leftColor)
self.colorWriter.addData4i(self.rightColor)
return 4
def drawTunnelRowX(self, row, verts):
# BOTTOM: bottom-left, new-bottom-left, bottom-right, new-bottom-right
self.triStrips.addConsecutiveVertices(row - verts + 0, 1)
self.triStrips.addConsecutiveVertices(row + 0, 1)
self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
self.triStrips.addConsecutiveVertices(row + 1, 1)
self.triStrips.closePrimitive()
# RIGHT: (new-bottom-right) bottom-right, new-top-right, top-right
self.triStrips.addConsecutiveVertices(row + 1, 1)
self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
self.triStrips.addConsecutiveVertices(row + 2, 1)
self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
self.triStrips.closePrimitive()
# TOP: top-left, new top-right, new top-left
self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row + 2, 1)
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.closePrimitive()
# LEFT: (new top-left) new bottom-left, top-left, bottom-left, new-bottom-left
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.addConsecutiveVertices(row + 0, 1)
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row - verts + 0, 1)
self.triStrips.closePrimitive()
return verts * 4
def drawTunnelRow(self, row, verts):
# # clockwise for the inside of the tunnel
# # TOP: new-top-left, top-left, new-top-right, top-right
# self.triStrips.addConsecutiveVertices(row + 3, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
# self.triStrips.addConsecutiveVertices(row + 2, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
# # RIGHT: new-bottom-right, bottom-right
# self.triStrips.addConsecutiveVertices(row + 1, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
# # BOTTOM: new-bottom-left, bottom-left
# self.triStrips.addConsecutiveVertices(row, 1)
# self.triStrips.addConsecutiveVertices(row - verts, 1)
# # LEFT: new top-left, top-left
# self.triStrips.addConsecutiveVertices(row + 3, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
# TOP: new-top-left, top-left, new-top-right, top-right
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
self.triStrips.addConsecutiveVertices(row + 2, 1)
# RIGHT: new-bottom-right, bottom-right
self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
self.triStrips.addConsecutiveVertices(row + 1, 1)
# BOTTOM: new-bottom-left, bottom-left
self.triStrips.addConsecutiveVertices(row - verts, 1)
self.triStrips.addConsecutiveVertices(row, 1)
# LEFT: new top-left, top-left
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.closePrimitive()
return verts * 4
def completeQuadPath(self):
self.geomNode.addGeom(self.geom)
if self.triStrips.getNumPrimitives() == 0:
return
floorMesh = CollisionFloorMesh()
vertexReader = GeomVertexReader(self.vertexData, 'vertex')
tris = self.triStrips.decompose()
print "Decomposed prims:", tris.getNumPrimitives()
p = 0
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 completeTunnelPath(self):
self.geomNode.addGeom(self.geom)
if self.triStrips.getNumPrimitives() == 0:
return
floorMesh = CollisionFloorMesh()
vertexReader = GeomVertexReader(self.vertexData, 'vertex')
print "Original prims:", self.triStrips.getNumPrimitives()
p = 0
for i in range(self.triStrips.getNumPrimitives()):
v0 = self.triStrips.getPrimitiveStart(i)
ve = self.triStrips.getPrimitiveEnd(i)
j = v0 + 4
# add the bottom triangles
vertexReader.setRow(self.triStrips.getVertex(j))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(self.triStrips.getVertex(j + 1))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(self.triStrips.getVertex(j + 2))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
floorMesh.addTriangle(p, p + 1, p + 2)
vertexReader.setRow(self.triStrips.getVertex(j + 3))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
floorMesh.addTriangle(p + 1, p + 3, p + 2)
p += 4
# this adds every triangle, but is not appropriate for a closed path
# tris = self.triStrips.decompose()
# print "Decomposed prims:",tris.getNumPrimitives()
# p = 0
# 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
def pandaRender(self):
frameList = []
for node in self.compositeFrames.getiterator('composite-frame'):
if node.tag == "composite-frame" and node.attrib.get("id") == str(self.internalFrameIndex):
for frameCallNode in node:
for frameNode in self.frames.getiterator('frame'):
if frameNode.tag == "frame" and frameNode.attrib.get("id") == frameCallNode.attrib.get("id"):
offsetX = 0 if frameCallNode.attrib.get("offset-x") == None else float(frameCallNode.attrib.get("offset-x"))
offsetY = 0 if frameCallNode.attrib.get("offset-y") == None else float(frameCallNode.attrib.get("offset-y"))
tweenId = frameCallNode.attrib.get("tween")
frameInTween = 0 if frameCallNode.attrib.get("frame-in-tween") == None else int(frameCallNode.attrib.get("frame-in-tween"))
addWidth = 0 if frameNode.attrib.get("w") == None else float(frameNode.attrib.get("w"))
addHeight = 0 if frameNode.attrib.get("h") == None else float(frameNode.attrib.get("h"))
sInPixels = 0 if frameNode.attrib.get("s") == None else float(frameNode.attrib.get("s"))
tInPixels = 0 if frameNode.attrib.get("t") == None else float(frameNode.attrib.get("t"))
swInPixels = sInPixels + addWidth
thInPixels = tInPixels + addHeight
s = (sInPixels / self.baseWidth)
t = 1 - (tInPixels / self.baseHeight) # Complemented to deal with loading image upside down.
S = (swInPixels / self.baseWidth)
T = 1 - (thInPixels / self.baseHeight) # Complemented to deal with loading image upside down.
blend = "overwrite" if frameCallNode.attrib.get("blend") == None else frameCallNode.attrib.get("blend")
scaleX = 1 if frameCallNode.attrib.get("scale-x") == None else float(frameCallNode.attrib.get("scale-x"))
scaleY = 1 if frameCallNode.attrib.get("scale-y") == None else float(frameCallNode.attrib.get("scale-y"))
color = Color(1,1,1,1)
tweenHasColor = False
frameCallHasColor = False
frameCallColorName = frameCallNode.attrib.get("color-name")
if frameCallColorName != None:
# Get color at frame call as first resort.
frameCallHasColor = True
for colorNode in self.colors.getiterator('color'):
if colorNode.tag == 'color' and colorNode.attrib.get("name") == frameCallColorName:
R = 1 if colorNode.attrib.get("r") == None else float(colorNode.attrib.get("r"))
G = 1 if colorNode.attrib.get("g") == None else float(colorNode.attrib.get("g"))
B = 1 if colorNode.attrib.get("b") == None else float(colorNode.attrib.get("b"))
A = 1 if colorNode.attrib.get("a") == None else float(colorNode.attrib.get("a"))
color = Color(R, G, B, A)
break # leave for loop when we find the correct color
pass
if tweenId != None and tweenId != "0":
# Get color at tween frame as second resort.
thisTween = None
frameLength = 1
advancementFunction = "linear"
foundTween = False
pointList = []
colorList = []
for tweenNode in self.tweens.getiterator('motion-tween'):
if tweenNode.tag == "motion-tween" and tweenNode.attrib.get("id") == tweenId:
foundTween = True
frameLength = 1 if tweenNode.attrib.get("length-in-frames") == None else tweenNode.attrib.get("length-in-frames")
advancementFunction = "linear" if tweenNode.attrib.get("advancement-function") == None else tweenNode.attrib.get("advancement-function")
for pointOrColorNode in tweenNode.getiterator():
if pointOrColorNode.tag == "point":
pX = 0 if pointOrColorNode.attrib.get("x") == None else float(pointOrColorNode.attrib.get("x"))
pY = 0 if pointOrColorNode.attrib.get("y") == None else float(pointOrColorNode.attrib.get("y"))
pointList.append(Point(pX, pY, 0))
elif pointOrColorNode.tag == "color-state":
colorName = "white" if pointOrColorNode.attrib.get("name") == None else pointOrColorNode.attrib.get("name")
for colorNode in self.colors.getiterator('color'):
if colorNode.tag == 'color' and colorNode.attrib.get("name") == colorName:
R = 1 if colorNode.attrib.get("r") == None else float(colorNode.attrib.get("r"))
G = 1 if colorNode.attrib.get("g") == None else float(colorNode.attrib.get("g"))
B = 1 if colorNode.attrib.get("b") == None else float(colorNode.attrib.get("b"))
A = 1 if colorNode.attrib.get("a") == None else float(colorNode.attrib.get("a"))
colorList.append(Color(R, G, B, A))
break # leave for loop when we find the correct color reference
pass # Run through all child nodes of selected tween
break # Exit after finding correct tween
pass
if foundTween:
thisTween = Tween(frameLength, advancementFunction, pointList, colorList)
offset = thisTween.XYFromFrame(frameInTween);
offsetFromTweenX = int(offset.X);
offsetFromTweenY = int(offset.Y);
offsetX += int(offset.X);
offsetY += int(offset.Y);
if thisTween.hasColorComponent():
tweenHasColor = True;
if frameCallHasColor == False:
color = thisTween.colorFromFrame(frameInTween);
pass
if frameNode.attrib.get("color-name") != None and frameCallHasColor == False and tweenHasColor == False:
# Get color at frame definition as last resort.
for colorNode in colors.getiterator('color'):
if colorNode.tag == 'color' and colorNode.attrib.get("name") == frameNode.attrib.get("color-name"):
R = 1 if colorNode.attrib.get("r") == None else float(colorNode.attrib.get("r"))
G = 1 if colorNode.attrib.get("g") == None else float(colorNode.attrib.get("g"))
B = 1 if colorNode.attrib.get("b") == None else float(colorNode.attrib.get("b"))
A = 1 if colorNode.attrib.get("a") == None else float(colorNode.attrib.get("a"))
color = Color(R, G, B, A)
break # leave for loop when we find the correct color
pass
rotationZ = 0 if frameCallNode.attrib.get("rotation-z") == None else float(frameCallNode.attrib.get("rotation-z"))
frameList.append(Frame(Bound(offsetX, offsetY, addWidth, addHeight), s, t, S, T, blend, scaleX, scaleY, color, rotationZ))
pass
break # Leave once we've found the appropriate frame
# Prepare tracking list of consumed nodes.
self.clearNodesForDrawing()
# Make an identifier to tack onto primitive names in Panda3d's scene graph.
frameIndexForName = 1
# Loop through loaded frames that make up composite frame.
for loadedFrame in frameList:
# For debugging purposes, print the object.
if False:
loadedFrame.printAsString()
# Set up place to store primitive 3d object; note: requires vertex data made by GeomVertexData
squareMadeByTriangleStrips = GeomTristrips(Geom.UHDynamic)
# Set up place to hold 3d data and for the following coordinates:
# square's points (V3: x, y, z),
# the colors at each point of the square (c4: r, g, b, a), and
# for the UV texture coordinates at each point of the square (t2: S, T).
vertexData = GeomVertexData('square-'+str(frameIndexForName), GeomVertexFormat.getV3c4t2(), Geom.UHDynamic)
vertex = GeomVertexWriter(vertexData, 'vertex')
color = GeomVertexWriter(vertexData, 'color')
texcoord = GeomVertexWriter(vertexData, 'texcoord')
# Add the square's data
# Upper-Left corner of square
vertex.addData3f(-loadedFrame.bound.Width / 2.0, 0, -loadedFrame.bound.Height / 2.0)
color.addData4f(loadedFrame.color.R,loadedFrame.color.G,loadedFrame.color.B,loadedFrame.color.A)
texcoord.addData2f(loadedFrame.s, loadedFrame.T)
# Upper-Right corner of square
vertex.addData3f(loadedFrame.bound.Width / 2.0, 0, -loadedFrame.bound.Height / 2.0)
color.addData4f(loadedFrame.color.R,loadedFrame.color.G,loadedFrame.color.B,loadedFrame.color.A)
texcoord.addData2f(loadedFrame.S, loadedFrame.T)
# Lower-Left corner of square
vertex.addData3f(-loadedFrame.bound.Width / 2.0, 0, loadedFrame.bound.Height / 2.0)
color.addData4f(loadedFrame.color.R,loadedFrame.color.G,loadedFrame.color.B,loadedFrame.color.A)
texcoord.addData2f(loadedFrame.s, loadedFrame.t)
# Lower-Right corner of square
vertex.addData3f(loadedFrame.bound.Width / 2.0, 0, loadedFrame.bound.Height / 2.0)
color.addData4f(loadedFrame.color.R,loadedFrame.color.G,loadedFrame.color.B,loadedFrame.color.A)
texcoord.addData2f(loadedFrame.S, loadedFrame.t)
# Pass data to primitive
squareMadeByTriangleStrips.addNextVertices(4)
squareMadeByTriangleStrips.closePrimitive()
square = Geom(vertexData)
square.addPrimitive(squareMadeByTriangleStrips)
# Pass primtive to drawing node
drawPrimitiveNode=GeomNode('square-'+str(frameIndexForName))
drawPrimitiveNode.addGeom(square)
# Pass node to scene (effect camera)
nodePath = self.effectCameraNodePath.attachNewNode(drawPrimitiveNode)
# Linear dodge:
if loadedFrame.blendMode == "darken":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OOneMinusFbufferColor, ColorBlendAttrib.OOneMinusIncomingColor))
pass
elif loadedFrame.blendMode == "multiply":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OFbufferColor, ColorBlendAttrib.OZero))
pass
elif loadedFrame.blendMode == "color-burn":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OZero, ColorBlendAttrib.OOneMinusIncomingColor))
pass
elif loadedFrame.blendMode == "linear-burn":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OZero, ColorBlendAttrib.OIncomingColor))
pass
elif loadedFrame.blendMode == "lighten":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MMax, ColorBlendAttrib.OIncomingColor, ColorBlendAttrib.OFbufferColor))
pass
elif loadedFrame.blendMode == "color-dodge":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OOne, ColorBlendAttrib.OOne))
pass
elif loadedFrame.blendMode == "linear-dodge":
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OOne, ColorBlendAttrib.OOneMinusIncomingColor))
pass
else: # Overwrite:
nodePath.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OIncomingAlpha, ColorBlendAttrib.OOneMinusIncomingAlpha))
pass
nodePath.setDepthTest(False)
# Apply texture
nodePath.setTexture(self.tex)
# Apply translation, then rotation, then scaling to node.
nodePath.setPos((loadedFrame.bound.X + loadedFrame.bound.Width / 2.0, 1, -loadedFrame.bound.Y - loadedFrame.bound.Height / 2.0))
nodePath.setR(loadedFrame.rotationZ)
nodePath.setScale(loadedFrame.scaleX, 1, loadedFrame.scaleY)
nodePath.setTwoSided(True)
self.consumedNodesList.append(nodePath)
frameIndexForName = frameIndexForName + 1
# Loop continues on through each frame called in the composite frame.
pass
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
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.fpscamera.setMouseLook(True)
self.prevPos = self.fpscamera.getPos()
self.prevInto = None
self.makeInstructions()
self.info = self.genLabelText("Position: <unknown>", 2)
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)
# Initialize the Pusher collision handler.
self.pusher = CollisionHandlerFloor()
### player
# Create a collsion node for this object.
playerNode = CollisionNode('player')
playerNode.addSolid(CollisionSphere(0, 0, 0, 1))
# 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()
def toggleDrawing(self):
self.isDrawing = not self.isDrawing
if self.isDrawing:
self.instructionText.setText('Enter: Generate Tunnel from Movement')
self.fpscamera.setFlyMode(True)
self.prevPos = None
# self.cTrav.remosveCollider(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')
# 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.newVertexData()
self.newGeom()
else:
self.instructionText.setText('Enter: Record Movement for Tunnel')
self.removeTask('drawHere')
if self.prevPos:
#self.completePath()
self.completeTunnelPath()
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 (WSAD/space/mouselook)",
style=1, fg=(1,1,0,1),
pos=(0.5,-0.95), scale = .07)
self.genLabelText("ESC: Quit", 0)
self.instructionText = self.genLabelText("", 1)
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.extendPathQuad(prevPos, pos, 2)
self.extendPathTunnel(prevPos, pos, 3)
self.leftColor[1] += 63
self.rightColor[2] += 37
self.prevPos = pos
return task.cont
def extendPathQuad(self, prevPos, pos, width):
self.drawQuadTo(prevPos, pos, width)
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.completeQuadPath()
if newGeom:
self.newVertexData()
self.newGeom()
if newGeom:
self.drawQuadTo(prevPos, pos, width)
else:
self.triStrips.addConsecutiveVertices(row - 2, 2)
def extendPathTunnel(self, prevPos, pos, width):
self.drawTunnelTo(prevPos, pos, width)
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)
return 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:
# ensure that if we jump in place, we don't get a thin segment
if not self.prevInto:
return
into = self.prevInto
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)
verts = self.drawQuadRow(b, into, width)
self.prevInto = into
return verts
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)
return 2
def drawTunnelTo(self, a, b, width):
""" a (to) b are vectors defining a line bisecting a new tunnel segment. """
into = (b - a)
if abs(into.x) + abs(into.y) < 1:
# ensure that if we jump in place, we don't get a thin segment
if not self.prevInto:
return
into = self.prevInto
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.drawTunnelBoundary(a, into, width)
row = self.vertexWriter.getWriteRow()
verts = self.drawTunnelBoundary(b, into, width)
totalVerts = self.drawTunnelRow(row, verts)
self.prevInto = into
return totalVerts
def drawTunnelBoundary(self, a, into, width):
""" a defines a point, with 'into' being the normalized direction. """
aLowLeft = Vec3(a.x - into.y * width, a.y + into.x * width, a.z)
aLowRight = Vec3(a.x + into.y * width, a.y - into.x * width, a.z)
aHighRight = Vec3(a.x + into.y * width, a.y - into.x * width, a.z + width * 3)
aHighLeft = Vec3(a.x - into.y * width, a.y + into.x * width, a.z + width * 3)
self.vertexWriter.addData3f(aLowLeft)
self.vertexWriter.addData3f(aLowRight)
self.vertexWriter.addData3f(aHighRight)
self.vertexWriter.addData3f(aHighLeft)
self.colorWriter.addData4i(self.leftColor)
self.colorWriter.addData4i(self.rightColor)
self.colorWriter.addData4i(self.leftColor)
self.colorWriter.addData4i(self.rightColor)
return 4
def drawTunnelRowX(self, row, verts):
# BOTTOM: bottom-left, new-bottom-left, bottom-right, new-bottom-right
self.triStrips.addConsecutiveVertices(row - verts + 0, 1)
self.triStrips.addConsecutiveVertices(row + 0, 1)
self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
self.triStrips.addConsecutiveVertices(row + 1, 1)
self.triStrips.closePrimitive()
# RIGHT: (new-bottom-right) bottom-right, new-top-right, top-right
self.triStrips.addConsecutiveVertices(row + 1, 1)
self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
self.triStrips.addConsecutiveVertices(row + 2, 1)
self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
self.triStrips.closePrimitive()
# TOP: top-left, new top-right, new top-left
self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row + 2, 1)
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.closePrimitive()
# LEFT: (new top-left) new bottom-left, top-left, bottom-left, new-bottom-left
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.addConsecutiveVertices(row + 0, 1)
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row - verts + 0, 1)
self.triStrips.closePrimitive()
return verts * 4
def drawTunnelRow(self, row, verts):
# # clockwise for the inside of the tunnel
# # TOP: new-top-left, top-left, new-top-right, top-right
# self.triStrips.addConsecutiveVertices(row + 3, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
# self.triStrips.addConsecutiveVertices(row + 2, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
# # RIGHT: new-bottom-right, bottom-right
# self.triStrips.addConsecutiveVertices(row + 1, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
# # BOTTOM: new-bottom-left, bottom-left
# self.triStrips.addConsecutiveVertices(row, 1)
# self.triStrips.addConsecutiveVertices(row - verts, 1)
# # LEFT: new top-left, top-left
# self.triStrips.addConsecutiveVertices(row + 3, 1)
# self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
# TOP: new-top-left, top-left, new-top-right, top-right
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.addConsecutiveVertices(row - verts + 2, 1)
self.triStrips.addConsecutiveVertices(row + 2, 1)
# RIGHT: new-bottom-right, bottom-right
self.triStrips.addConsecutiveVertices(row - verts + 1, 1)
self.triStrips.addConsecutiveVertices(row + 1, 1)
# BOTTOM: new-bottom-left, bottom-left
self.triStrips.addConsecutiveVertices(row - verts, 1)
self.triStrips.addConsecutiveVertices(row, 1)
# LEFT: new top-left, top-left
self.triStrips.addConsecutiveVertices(row - verts + 3, 1)
self.triStrips.addConsecutiveVertices(row + 3, 1)
self.triStrips.closePrimitive()
return verts * 4
def completeQuadPath(self):
self.geomNode.addGeom(self.geom)
if self.triStrips.getNumPrimitives() == 0:
return
floorMesh = CollisionFloorMesh()
vertexReader = GeomVertexReader(self.vertexData, 'vertex')
tris = self.triStrips.decompose()
print "Decomposed prims:",tris.getNumPrimitives()
p = 0
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 completeTunnelPath(self):
self.geomNode.addGeom(self.geom)
if self.triStrips.getNumPrimitives() == 0:
return
floorMesh = CollisionFloorMesh()
vertexReader = GeomVertexReader(self.vertexData, 'vertex')
print "Original prims:",self.triStrips.getNumPrimitives()
p = 0
for i in range(self.triStrips.getNumPrimitives()):
v0 = self.triStrips.getPrimitiveStart(i)
ve = self.triStrips.getPrimitiveEnd(i)
j = v0 + 4
# add the bottom triangles
vertexReader.setRow(self.triStrips.getVertex(j))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(self.triStrips.getVertex(j+1))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
vertexReader.setRow(self.triStrips.getVertex(j+2))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
floorMesh.addTriangle(p, p+1, p+2)
vertexReader.setRow(self.triStrips.getVertex(j+3))
floorMesh.addVertex(Point3(vertexReader.getData3f()))
floorMesh.addTriangle(p+1, p+3, p+2)
p += 4
# this adds every triangle, but is not appropriate for a closed path
# tris = self.triStrips.decompose()
# print "Decomposed prims:",tris.getNumPrimitives()
# p = 0
# 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
