def circle (self, radius, axis, offset):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
for i in range (0, self.subdiv):
angle = i / float(self.subdiv) * 2.0 * math.pi
ca = math.cos (angle)
sa = math.sin (angle)
if axis == "x":
vertices.addData3f (0, radius * ca, radius * sa + offset)
if axis == "y":
vertices.addData3f (radius * ca, 0, radius * sa + offset)
if axis == "z":
vertices.addData3f (radius * ca, radius * sa, offset)
for i in range (1, self.subdiv):
lines.addVertices(i - 1, i)
lines.addVertices (self.subdiv - 1, 0)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
self.gnode.addGeom (geom)
def get_format():
if SimpleTree.geom_vertex_format is None:
format_array = GeomVertexArrayFormat()
format_array.addColumn(InternalName.make("drawFlag"), 1, Geom.NTUint8, Geom.COther)
format = GeomVertexFormat(GeomVertexFormat.getV3n3cpt2())
format.addArray(format_array)
SimpleTree.geom_vertex_format = GeomVertexFormat.registerFormat(format)
return SimpleTree.geom_vertex_format
def create_hexagon(radius):
""" Creates a hexagon shape that is centered at (0,0,0) with the corners having a distance of radius to the center and
the normals pointing in direction (0,-1,0).
Returns the tuple (PandaNode, GeomVertexData). """
format = GeomVertexFormat.getV3n3c4t2()
vdata=GeomVertexData('hexagon', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
# create the vertices
vertex.addData3f(0,0,0)
normal.addData3f(0,-1,0)
# add the other vertices
for phi in range(0,360,60):
# right-hand-rule (with middle finger pointing upwards): the y-axis points towards the screen,
# therefore the hexagon will be created in the x,z plane, with x-axis pointing to the right
# and the z-axis pointing up
# get the next vertex coordinates by rotating the point (0,0,radius) in the x,z plane
x,z = rotate_phi_degrees_counter_clockwise(phi, (0,radius))
#print (x,z)
vertex.addData3f(x,0,z)
normal.addData3f(0,-1,0) # the normal vector points away from the screen
# add the vertices to a geometry primitives
prim = GeomTrifans(Geom.UHStatic)
for i in range(7):
prim.addVertex(i)
prim.addVertex(1)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
hex_node = GeomNode('')
hex_node.addGeom(geom)
return hex_node, vdata
def drawCircle(self, radius, axis, offset):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData('', format, Geom.UHStatic)
vertices = GeomVertexWriter(vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips(Geom.UHStatic)
for i in range(0, self.subdiv):
angle = i / float(self.subdiv) * 2.0 * math.pi
ca = math.cos(angle)
sa = math.sin(angle)
if axis == "x":
vertices.addData3f(0, radius * ca, radius * sa + offset)
if axis == "y":
vertices.addData3f(radius * ca, 0, radius * sa + offset)
if axis == "z":
vertices.addData3f(radius * ca, radius * sa, offset)
for i in range(1, self.subdiv):
lines.addVertices(i - 1, i)
lines.addVertices(self.subdiv - 1, 0)
lines.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(lines)
# Add our primitive to the geomnode
self.gnode.addGeom(geom)
def __init__(self, parent, point, coords): self.parent = parent self.format = GeomVertexFormat.getV3c4() self.point = point self.coords = coords self.node_path = None self.init_node_path()
def __init__(self, width=1, depth=1, height=1, origin=Point3(0, 0, 0)):
# Create vetex data format
gvf = GeomVertexFormat.getV3n3()
gvd = GeomVertexData("vertexData", gvf, Geom.UHStatic)
# Create vetex writers for each type of data we are going to store
gvwV = GeomVertexWriter(gvd, "vertex")
gvwN = GeomVertexWriter(gvd, "normal")
# Write out all points
for p in GetPointsForBox(width, depth, height):
gvwV.addData3f(Point3(p) - origin)
# Write out all the normals
for n in ((-1, 0, 0), (1, 0, 0), (0, -1, 0), (0, 1, 0), (0, 0, -1), (0, 0, 1)):
for i in range(4):
gvwN.addData3f(n)
geom = Geom(gvd)
for i in range(0, gvwV.getWriteRow(), 4):
# Create and add both triangles
geom.addPrimitive(GetGeomTriangle(i, i + 1, i + 2))
geom.addPrimitive(GetGeomTriangle(i, i + 2, i + 3))
# Init the node path, wrapping the box
geomNode = GeomNode("box")
geomNode.addGeom(geom)
NodePath.__init__(self, geomNode)
def generate(self):
format = GeomVertexFormat.getV3()
data = GeomVertexData("Data", format, Geom.UHStatic)
vertices = GeomVertexWriter(data, "vertex")
vertices.addData3f(-self.w, -self.h, -self.d)
vertices.addData3f(+self.w, -self.h, -self.d)
vertices.addData3f(-self.w, +self.h, -self.d)
vertices.addData3f(+self.w, +self.h, -self.d)
vertices.addData3f(-self.w, -self.h, +self.d)
vertices.addData3f(+self.w, -self.h, +self.d)
vertices.addData3f(-self.w, +self.h, +self.d)
vertices.addData3f(+self.w, +self.h, +self.d)
triangles = GeomTriangles(Geom.UHStatic)
def addQuad(v0, v1, v2, v3):
triangles.addVertices(v0, v1, v2)
triangles.addVertices(v0, v2, v3)
triangles.closePrimitive()
addQuad(4, 5, 7, 6) # Z+
addQuad(0, 2, 3, 1) # Z-
addQuad(3, 7, 5, 1) # X+
addQuad(4, 6, 2, 0) # X-
addQuad(2, 6, 7, 3) # Y+
addQuad(0, 1, 5, 4) # Y+
geom = Geom(data)
geom.addPrimitive(triangles)
node = GeomNode("BoxMaker")
node.addGeom(geom)
return NodePath(node)
def create_side(x_z_top_left, x_z_bottom_right, static=True):
x1, z1 = x_z_top_left
x2, z2 = x_z_bottom_right
format = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1) # top left
vertex.addData3f(x2, 0, z1) # top right
vertex.addData3f(x2, 0, z2) # bottom right
vertex.addData3f(x1, 0, z2) # bottom left
for _i in range(4):
normal.addData3f(0, - 1, 0)
if static:
prim_hint = Geom.UHStatic
else:
prim_hint = Geom.UHDynamic
prim = GeomTristrips(prim_hint)
prim.addVertices(1, 0, 2, 3)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return (node, vdata)
def create_side(x_z_top_left, x_z_bottom_right, static=True):
x1, z1 = x_z_top_left
x2, z2 = x_z_bottom_right
format = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1) # top left
vertex.addData3f(x2, 0, z1) # top right
vertex.addData3f(x2, 0, z2) # bottom right
vertex.addData3f(x1, 0, z2) # bottom left
for _i in range(4):
normal.addData3f(0, - 1, 0)
if static:
prim_hint = Geom.UHStatic
else:
prim_hint = Geom.UHDynamic
prim = GeomTristrips(prim_hint)
prim.addVertices(1, 0, 2, 3)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return (node, vdata)
def __init__(self, parent): self.parent = parent self.format = GeomVertexFormat.getV3c4() self.node_path = None self.node_path_line = None self.color = None self.direction = None
def draw(self):
format=GeomVertexFormat.getV3n3cpt2()
vdata=GeomVertexData('square', format, Geom.UHDynamic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
color=GeomVertexWriter(vdata, 'color')
circle=Geom(vdata)
# Create vertices
vertex.addData3f(self.pos)
color.addData4f(self.color)
for v in range(self._EDGES):
x = self.pos.getX() + (self.size * math.cos((2*math.pi/self._EDGES)*v))
y = self.pos.getY() + (self.size * math.sin((2*math.pi/self._EDGES)*v))
z = self.pos.getZ()
vertex.addData3f(x, y, z)
color.addData4f(self.color)
# Create triangles
for t in range(self._EDGES):
tri = GeomTriangles(Geom.UHDynamic)
tri.addVertex(0)
tri.addVertex(t+1)
if (t+2) > self._EDGES:
tri.addVertex(1)
else:
tri.addVertex(t+2)
tri.closePrimitive()
circle.addPrimitive(tri)
gn = GeomNode('Circle')
gn.addGeom(circle)
np = NodePath(gn)
np.setHpr(0, 90, 0)
return np
def create_triangle(x_z_left, x_z_top, x_z_right, static=True):
x1,z1 = x_z_left
x2,z2 = x_z_top
x3,z3 = x_z_right
format = GeomVertexFormat.getV3n3c4t2()
vdata=GeomVertexData('', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1) # left
vertex.addData3f(x2, 0, z2) # top
vertex.addData3f(x3, 0, z3) # right
for _i in range(3):
normal.addData3f(0,-1,0)
if static:
prim_hint = Geom.UHStatic
else:
prim_hint = Geom.UHDynamic
prim = GeomTriangles(prim_hint)
prim.addVertices(0,2,1)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return node
def create_hexagon(radius):
""" Creates a hexagon shape that is centered at (0,0,0) with the corners having a distance of radius to the center and
the normals pointing in direction (0,-1,0).
Returns the tuple (PandaNode, GeomVertexData). """
format = GeomVertexFormat.getV3n3c4t2()
vdata=GeomVertexData('hexagon', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
# create the vertices
vertex.addData3f(0,0,0)
normal.addData3f(0,-1,0)
# add the other vertices
for phi in range(0,360,60):
# right-hand-rule (with middle finger pointing upwards): the y-axis points towards the screen,
# therefore the hexagon will be created in the x,z plane, with x-axis pointing to the right
# and the z-axis pointing up
# get the next vertex coordinates by rotating the point (0,0,radius) in the x,z plane
x,z = rotate_phi_degrees_counter_clockwise(phi, (0,radius))
#print (x,z)
vertex.addData3f(x,0,z)
normal.addData3f(0,-1,0) # the normal vector points away from the screen
# add the vertices to a geometry primitives
prim = GeomTrifans(Geom.UHStatic)
for i in range(7):
prim.addVertex(i)
prim.addVertex(1)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
hex_node = GeomNode('')
hex_node.addGeom(geom)
return hex_node, vdata
def create_triangle(x_z_left, x_z_top, x_z_right, static=True):
x1,z1 = x_z_left
x2,z2 = x_z_top
x3,z3 = x_z_right
format = GeomVertexFormat.getV3n3c4t2()
vdata=GeomVertexData('', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1) # left
vertex.addData3f(x2, 0, z2) # top
vertex.addData3f(x3, 0, z3) # right
for _i in range(3):
normal.addData3f(0,-1,0)
if static:
prim_hint = Geom.UHStatic
else:
prim_hint = Geom.UHDynamic
prim = GeomTriangles(prim_hint)
prim.addVertices(0,2,1)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return node
def __init__(self):
formatArray=GeomVertexArrayFormat()
formatArray.addColumn(InternalName.make("drawFlag"), 1, Geom.NTUint8, Geom.COther)
format=GeomVertexFormat(GeomVertexFormat.getV3n3cpt2())
format.addArray(formatArray)
self.format=GeomVertexFormat.registerFormat(format)
bodydata=GeomVertexData("body vertices", format, Geom.UHStatic)
self.barkTexture=loader.loadTexture("barkTexture.jpg")
treeNodePath=NodePath("Tree Holder")
makeFractalTree(bodydata,treeNodePath,Vec3(4,4,7))
treeNodePath.setTexture(self.barkTexture,1)
treeNodePath.reparentTo(render)
self.accept("q", self.regenTree)
self.accept("n", self.newPop)
self.accept("w", self.addTree)
self.accept("arrow_up", self.upIterations)
self.accept("arrow_down", self.downIterations)
self.accept("arrow_right", self.upCopies)
self.accept("arrow_left", self.downCopies)
[self.accept("%d" % i, self.selectBest, ['%d' % i]) for i in range(0,9)]
self.numIterations=11
self.numCopies=4
self.upDownEvent = OnscreenText(
text="Up/Down: Increase/Decrease the number of Iteratations("+str(self.numIterations)+")",
style=1, fg=(1,1,1,1), pos=(-1.3, 0.85),
align=TextNode.ALeft, scale = .05, mayChange=True)
self.leftRightEvent = OnscreenText(
text="Left/Right: Increase/Decrease branching("+str(self.numCopies)+")",
style=1, fg=(1,1,1,1), pos=(-1.3, 0.80),
align=TextNode.ALeft, scale = .05, mayChange=True)
curstudy = 'speedtree.yml'
ga = evolve.init_iga({'app_name': curstudy})
self.genomes = ga.draw()
self.ga = ga
print 'genomes', self.genomes
def drawSquare(self, x1,y1,z1, x2,y2,z2):
format=GeomVertexFormat.getV3n3cpt2()
vdata=GeomVertexData('square', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
color=GeomVertexWriter(vdata, 'color')
texcoord=GeomVertexWriter(vdata, 'texcoord')
#make sure we draw the sqaure in the right plane
#if x1!=x2:
vertex.addData3f(x1, y1, z1)
vertex.addData3f(x2, y1, z1)
vertex.addData3f(x2, y2, z2)
vertex.addData3f(x1, y2, z2)
normal.addData3f(self.myNormalize(Vec3(2*x1-1, 2*y1-1, 2*z1-1)))
normal.addData3f(self.myNormalize(Vec3(2*x2-1, 2*y1-1, 2*z1-1)))
normal.addData3f(self.myNormalize(Vec3(2*x2-1, 2*y2-1, 2*z2-1)))
normal.addData3f(self.myNormalize(Vec3(2*x1-1, 2*y2-1, 2*z2-1)))
#adding different colors to the vertex for visibility
color.addData4f(0.0,0.5,0.0,0.5)
color.addData4f(0.0,0.5,0.0,0.5)
color.addData4f(0.0,0.5,0.0,0.5)
color.addData4f(0.0,0.5,0.0,0.5)
texcoord.addData2f(0.0, 1.0)
texcoord.addData2f(0.0, 0.0)
texcoord.addData2f(1.0, 0.0)
texcoord.addData2f(1.0, 1.0)
#quads arent directly supported by the Geom interface
#you might be interested in the CardMaker class if you are
#interested in rectangle though
tri1=GeomTriangles(Geom.UHStatic)
tri2=GeomTriangles(Geom.UHStatic)
tri1.addVertex(0)
tri1.addVertex(1)
tri1.addVertex(3)
tri2.addConsecutiveVertices(1,3)
tri1.closePrimitive()
tri2.closePrimitive()
square=Geom(vdata)
square.addPrimitive(tri1)
square.addPrimitive(tri2)
#square.setIntoCollideMask(BitMask32.bit(1))
squareNP = NodePath(GeomNode('square gnode'))
squareNP.node().addGeom(square)
squareNP.setTransparency(1)
squareNP.setAlphaScale(.5)
squareNP.setTwoSided(True)
squareNP.setCollideMask(BitMask32.bit(1))
return squareNP
def createPitchLineOld(self,points=[0.5,0.25,-0.25,-0.5],
tick=0.00,colour=None):
""" create a line to hint at the pitch of the aircraft on the hud """
if colour is None:
colour = self.colour
l = LineNodePath(aspect2d,'pitchline',4,Vec4(colour[0],colour[1],
colour[2],colour[3]))
plist = []
for p in points:
plist.append((p,0.0,0.0))
plist.insert(0,(points[0],0.0,tick))
plist.append((points[3],0.0,tick))
linelist = []
linelist = [[plist[p],plist[p+1]] for p in range(len(plist)-1)]
linelist.pop(2)
l.drawLines(linelist)
l.create()
# These lines are drawn from scratch rather than using a graphic file
format = GeomVertexFormat.getV3()
vdata = GeomVertexData("vertices",format,Geom.UHStatic)
# create vertices to add to use in creating lines
vertexWriter=GeomVertexWriter(vdata,"vertex")
# here we define enough positions to create two separated lines
for p in points:
vertexWriter.addData3f(p,0.0,0.0)
# and another two positions for the 'ticks' at the line ends
vertexWriter.addData3f(points[0],0.0,tick)
vertexWriter.addData3f(points[3],0.0,tick)
# create the primitives
line = GeomLines(Geom.UHStatic)
line.addVertices(4,0) # the tick part
line.addVertices(0,1) # part of the horizontal line
line.closePrimitive()
line2 = GeomLines(Geom.UHStatic)
line2.addVertices(2,3) # other part of the horizontal line
line2.addVertices(3,5) # second tick
line2.closePrimitive()
# add the lines to a geom object
lineGeom = Geom(vdata)
lineGeom.addPrimitive(line)
lineGeom.addPrimitive(line2)
# create the node..
lineGN=GeomNode("splitline")
lineGN.addGeom(lineGeom)
# and parent the node to aspect2d
lineNP = aspect2d.attachNewNode(lineGN)
return lineNP
def resetWriters(self):
'''
'''
self.vdata = GeomVertexData('street', GeomVertexFormat.getV3n3c4t2(), Geom.UHStatic)
self.vertex = GeomVertexWriter(self.vdata, 'vertex')
self.normal = GeomVertexWriter(self.vdata, 'normal')
self.color = GeomVertexWriter(self.vdata, 'color')
self.texcoord = GeomVertexWriter(self.vdata, 'texcoord')
self.prim = GeomTriangles(Geom.UHStatic)
def CreateVertexFormat(self):
""" Creates a custom vertex format.
This was needed so that I could add a second array of texture data for having
multiple textures for a BlockFace
"""
array = GeomVertexArrayFormat()
array.addColumn(InternalName.make('vertex'), 3,
Geom.NTFloat32, Geom.CPoint)
array.addColumn(InternalName.make('normal'), 3,
Geom.NTFloat32, Geom.CVector)
array.addColumn(InternalName.make('texcoord'), 2,
Geom.NTFloat32, Geom.CTexcoord)
array.addColumn(InternalName.make('texcoord.light'), 2,
Geom.NTFloat32, Geom.CTexcoord)
gvformat = GeomVertexFormat()
gvformat.addArray(array)
gvformat = GeomVertexFormat.registerFormat(gvformat)
self.geomVertexFormat = gvformat
def _create_vertex_data(self):
"""Creates and fills the vertex data store."""
format = GeomVertexFormat.getV3c4()
vdata = GeomVertexData('cloud', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
for point, value in self._points.iteritems():
vertex.addData3f(point[0], point[1], value)
color.addData4f(*self._color)
self._vdata = vdata
def __init__(self, subdivides=3, scale=1.0):
super(SphereNode, self).__init__('sphere')
uniform = True
# see if scale is a tuple
try:
xs, ys, zs = scale
uniform = False
except TypeError:
# no, it's a scalar
xs, ys, zs = scale, scale, scale
north = (0.0, 1.0, 0.0)
g = Octahedron()
for i in range(subdivides):
g.UniformSubdivide(midpointdisplace=NormalizeVert)
#print "%d faces per sphere"%len(g.faces)
# okay, we're gonna use setShaderInput to set constants for
# surface coverages and planetary seed, so all we need per
# vertex is position and normal
# and we kind of don't need normal for a unit sphere, but
# we want to use the same shader for other thangs
format = GeomVertexFormat.getV3n3()
vdata = GeomVertexData('sphere', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
for (x, y, z) in g.verts:
vertex.addData3f(x * xs, y * ys, z * zs)
if uniform:
normal.addData3f(x, y, z)
else:
n = NormalizeVert(
(x / (xs * xs), y / (ys * ys), z / (zs * zs)))
normal.addData3f(n[0], n[1], n[2])
trilist = GeomTriangles(Geom.UHDynamic)
for (a, b, c) in g.faces:
trilist.addVertex(a)
trilist.addVertex(b)
trilist.addVertex(c)
trilist.closePrimitive()
self.geom = Geom(vdata)
self.geom.addPrimitive(trilist)
self.addGeom(self.geom)
def __init__(self,subdivides=3,scale=1.0):
super(SphereNode,self).__init__('sphere')
uniform = True
# see if scale is a tuple
try:
xs,ys,zs = scale
uniform = False
except TypeError:
# no, it's a scalar
xs,ys,zs = scale,scale,scale
north = (0.0,1.0,0.0)
g = Octahedron()
for i in range(subdivides):
g.UniformSubdivide( midpointdisplace = NormalizeVert )
#print "%d faces per sphere"%len(g.faces)
# okay, we're gonna use setShaderInput to set constants for
# surface coverages and planetary seed, so all we need per
# vertex is position and normal
# and we kind of don't need normal for a unit sphere, but
# we want to use the same shader for other thangs
format=GeomVertexFormat.getV3n3()
vdata=GeomVertexData('sphere', format, Geom.UHDynamic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
for (x,y,z) in g.verts:
vertex.addData3f( x*xs, y*ys, z*zs )
if uniform:
normal.addData3f( x, y, z )
else:
n = NormalizeVert( (x/(xs*xs),y/(ys*ys),z/(zs*zs)) )
normal.addData3f( n[0], n[1], n[2] )
trilist=GeomTriangles(Geom.UHDynamic)
for (a,b,c) in g.faces:
trilist.addVertex(a)
trilist.addVertex(b)
trilist.addVertex(c)
trilist.closePrimitive()
self.geom = Geom(vdata)
self.geom.addPrimitive( trilist )
self.addGeom( self.geom )
def __init__(self, radius=1.0, height=1.0, numSegs=16, degrees=360, axis=Vec3(0, 0, 1), origin=Point3(0, 0, 0)):
# Create vetex data format
gvf = GeomVertexFormat.getV3n3()
gvd = GeomVertexData("vertexData", gvf, Geom.UHStatic)
# Create vetex writers for each type of data we are going to store
gvwV = GeomVertexWriter(gvd, "vertex")
gvwN = GeomVertexWriter(gvd, "normal")
# Get the points for an arc
points = GetPointsForArc(degrees, numSegs, True)
for i in range(len(points) - 1):
# Rotate the points around the desired axis
p1 = Point3(points[i][0], points[i][1], 0) * radius
p1 = RotatePoint3(p1, Vec3(0, 0, 1), axis) - origin
p2 = Point3(points[i + 1][0], points[i + 1][1], 0) * radius
p2 = RotatePoint3(p2, Vec3(0, 0, 1), axis) - origin
cross = (p2 - axis).cross(p1 - axis)
cross.normalize()
gvwV.addData3f(p1)
gvwV.addData3f(axis * height - origin)
gvwV.addData3f(p2)
gvwN.addData3f(cross)
gvwN.addData3f(cross)
gvwN.addData3f(cross)
# Base
gvwV.addData3f(p2)
gvwV.addData3f(Point3(0, 0, 0) - origin)
gvwV.addData3f(p1)
gvwN.addData3f(-axis)
gvwN.addData3f(-axis)
gvwN.addData3f(-axis)
geom = Geom(gvd)
for i in range(0, gvwV.getWriteRow(), 3):
# Create and add triangle
geom.addPrimitive(GetGeomTriangle(i, i + 1, i + 2))
# Init the node path, wrapping the box
geomNode = GeomNode("cone")
geomNode.addGeom(geom)
NodePath.__init__(self, geomNode)
def _create_vertex_data(self):
"""Creates and fills the vertex data store."""
format = GeomVertexFormat.getV3c4()
vdata = GeomVertexData('cloud', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
for index, point in enumerate(self._points):
vertex.addData3f(*point[0:3])
if self._colors != None:
color.addData4f(*self._colors[index])
else:
color.addData4f(*self._color)
self._vdata = vdata
def createCentreMarkOld(self,colour=None):
""" create a line to hint at the pitch of the aircraft on the hud """
if colour is None:
colour = self.colour
# These lines are drawn from scratch rather than using a graphic file
format = GeomVertexFormat.getV3()
vdata = GeomVertexData("vertices",format,Geom.UHStatic)
# create vertices to add to use in creating lines
vertexWriter=GeomVertexWriter(vdata,"vertex")
# essentially I am trying to create a line that gives an idea of
# where the forward vector of the plane is pointing which
# helps indicate the pitch
# the bends in the line could be used to indicate a few angles but
# I am not sure how useful this really is.
vertexWriter.addData3f(0.15,0.0,0.0)
vertexWriter.addData3f(0.10,0.0,0.0)
vertexWriter.addData3f(0.05,0.0,-0.025)
vertexWriter.addData3f(0.00,0.0,0.025)
vertexWriter.addData3f(-0.05,0.0,-0.025)
vertexWriter.addData3f(-0.10,0.0,0.0)
vertexWriter.addData3f(-0.15,0.0,0.0)
# create the primitives
line = GeomLines(Geom.UHStatic)
line.addVertices(0,1)
line.addVertices(1,2)
line.addVertices(2,3)
line.addVertices(3,4)
line.addVertices(4,5)
line.addVertices(5,6)
line.closePrimitive()
# add the lines to a geom object
lineGeom = Geom(vdata)
lineGeom.addPrimitive(line)
# create the node..
lineGN=GeomNode("centremark")
lineGN.addGeom(lineGeom)
# and parent the node to aspect2d
lineNP = aspect2d.attachNewNode(lineGN)
return lineNP
def create_line(x1, z1, x2, z2):
format = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1)
vertex.addData3f(x2, 0, z2)
for _i in range(2):
normal.addData3f(0, - 1, 0)
prim_hint = Geom.UHStatic
prim = GeomLines(prim_hint)
prim.addVertices(0, 1)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return (node, vdata)
def __init__(self, parent): self.parent = parent self.source = None self.terrain_coords = None self.format = GeomVertexFormat.getV3n3c4t2() self.node_path = None self.old_color = None self.is_hovered = False self.is_selected = False self.palette = None self.vA = None self.vB = None self.vC = None self.vD = None self.nA = None self.nB = None self.nC = None self.nD = None
def create_line(x1, z1, x2, z2):
format = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1)
vertex.addData3f(x2, 0, z2)
for _i in range(2):
normal.addData3f(0, - 1, 0)
prim_hint = Geom.UHStatic
prim = GeomLines(prim_hint)
prim.addVertices(0, 1)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return (node, vdata)
def create_table_geom():
format = GeomVertexFormat.getV3n3c4t2()
# GeomVertexData.
vdata = GeomVertexData('table_vertex', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
vertex.addData3f(xmax, ymin, 0)
normal.addData3f(0, 0, 1)
color.addData4f(0, 0, 1, 1)
texcoord.addData2f(1, 0)
vertex.addData3f(xmax, ymax, 0)
normal.addData3f(0, 0, 1)
color.addData4f(0, 0, 1, 1)
texcoord.addData2f(1, 1)
vertex.addData3f(xmin, ymax, 0)
normal.addData3f(0, 0, 1)
color.addData4f(0, 0, 1, 1)
texcoord.addData2f(0, 1)
vertex.addData3f(xmin, ymin, 0)
normal.addData3f(0, 0, 1)
color.addData4f(0, 0, 1, 1)
texcoord.addData2f(0, 0)
prim = GeomTriangles(Geom.UHStatic)
prim.addVertex(0)
prim.addVertex(1)
prim.addVertex(2)
prim.closePrimitive()
prim.addVertex(0)
prim.addVertex(2)
prim.addVertex(3)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
return geom
def _create_vertex_data(self):
"""Creates and fills the vertex data store."""
format = GeomVertexFormat.getV3n3cp()
vdata = GeomVertexData("surface", format, Geom.UHDynamic)
tri = GeomTriangles(Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, "vertex")
normal = GeomVertexWriter(vdata, "normal")
color = GeomVertexWriter(vdata, "color")
for triangle in self._halfedge_mesh.faces:
for v in triangle.iter_vertices():
vertex.addData3f(*v.coordinates)
normal.addData3f(*v.normal)
color.addData4f(*self._color)
tri.addNextVertices(1)
self._vdata = vdata
tri.closePrimitive()
self._geom_primitives = [tri]
def _create_vertex_data(self):
"""Creates and fills the vertex data store."""
format = GeomVertexFormat.getV3n3cp()
vdata = GeomVertexData('plane', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
for x in xrange(self._width):
for y in xrange(self._height):
cur_index = x * self._height + y
vertex.addData3f(*self._points[cur_index][0:3])
if self._normals:
normal.addData3f(*self._normals[cur_index])
else:
normal.addData3f(0, 0, 1)
color.addData4f(*self._color)
self._vdata = vdata
def drawRect(self, width, height, axis):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData('', format, Geom.UHStatic)
vertices = GeomVertexWriter(vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips(Geom.UHStatic)
# draw a box
if axis == "x":
vertices.addData3f(0, -width, -height)
vertices.addData3f(0, width, -height)
vertices.addData3f(0, width, height)
vertices.addData3f(0, -width, height)
if axis == "y":
vertices.addData3f(-width, 0, -height)
vertices.addData3f(width, 0, -height)
vertices.addData3f(width, 0, height)
vertices.addData3f(-width, 0, height)
if axis == "z":
vertices.addData3f(-width, -height, 0)
vertices.addData3f(width, -height, 0)
vertices.addData3f(width, height, 0)
vertices.addData3f(-width, height, 0)
for i in range(1, 3):
lines.addVertices(i - 1, i)
lines.addVertices(3, 0)
lines.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(lines)
# Add our primitive to the geomnode
self.gnode.addGeom(geom)
def generate(self):
format = GeomVertexFormat.getV3()
data = GeomVertexData("Data", format, Geom.UHStatic)
vertices = GeomVertexWriter(data, "vertex")
size = self.size
vertices.addData3f(-size, -size, -size)
vertices.addData3f(+size, -size, -size)
vertices.addData3f(-size, +size, -size)
vertices.addData3f(+size, +size, -size)
vertices.addData3f(-size, -size, +size)
vertices.addData3f(+size, -size, +size)
vertices.addData3f(-size, +size, +size)
vertices.addData3f(+size, +size, +size)
triangles = GeomTriangles(Geom.UHStatic)
def addQuad(v0, v1, v2, v3):
triangles.addVertices(v0, v1, v2)
triangles.addVertices(v0, v2, v3)
triangles.closePrimitive()
addQuad(4, 5, 7, 6) # Z+
addQuad(0, 2, 3, 1) # Z-
addQuad(3, 7, 5, 1) # X+
addQuad(4, 6, 2, 0) # X-
addQuad(2, 6, 7, 3) # Y+
addQuad(0, 1, 5, 4) # Y+
geom = Geom(data)
geom.addPrimitive(triangles)
node = GeomNode("CubeMaker")
node.addGeom(geom)
path = NodePath(node)
path.setColor(1.0, 0.0, 1.0)
return NodePath(node)
def rect (self, width, height, axis):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
# draw a box
if axis == "x":
vertices.addData3f (0, -width, -height)
vertices.addData3f (0, width, -height)
vertices.addData3f (0, width, height)
vertices.addData3f (0, -width, height)
if axis == "y":
vertices.addData3f (-width, 0, -height)
vertices.addData3f (width, 0, -height)
vertices.addData3f (width, 0, height)
vertices.addData3f (-width, 0, height)
if axis == "z":
vertices.addData3f (-width, -height, 0)
vertices.addData3f (width, -height, 0)
vertices.addData3f (width, height, 0)
vertices.addData3f (-width, height, 0)
for i in range (1, 3):
lines.addVertices(i - 1, i)
lines.addVertices (3, 0)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
self.gnode.addGeom (geom)
def drawLine(self, start, end):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData('', format, Geom.UHStatic)
vertices = GeomVertexWriter(vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips(Geom.UHStatic)
vertices.addData3f(start[0], start[1], start[2])
vertices.addData3f(end[0], end[1], end[2])
lines.addVertices(0, 1)
lines.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(lines)
# Add our primitive to the geomnode
self.gnode.addGeom(geom)
def line (self, start, end):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
vertices.addData3f (start[0], start[1], start[2])
vertices.addData3f (end[0], end[1], end[2])
lines.addVertices (0, 1)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
self.gnode.addGeom (geom)
def __init__(self, parent): self.parent = parent self.format = GeomVertexFormat.getV3c4() self.node_path = None self.tile_color = None self.x = None self.y = None self.z = None self.coords = None self.unknown1 = None self.surface_type = None self.unknown2 = None self.height = None self.depth = None self.slope_height = None self.slope_type = None self.unknown3 = None self.unknown4 = None self.cant_walk = None self.cant_cursor = None self.unknown5 = None self.is_hovered = False self.is_selected = False
def draw(self):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
circle = Geom(vdata)
# Create vertices
vertex.addData3f(self.pos)
color.addData4f(self.color)
for v in range(self._EDGES):
x = self.pos.getX() + (self.size * math.cos(
(2 * math.pi / self._EDGES) * v))
y = self.pos.getY() + (self.size * math.sin(
(2 * math.pi / self._EDGES) * v))
z = self.pos.getZ()
vertex.addData3f(x, y, z)
color.addData4f(self.color)
# Create triangles
for t in range(self._EDGES):
tri = GeomTriangles(Geom.UHDynamic)
tri.addVertex(0)
tri.addVertex(t + 1)
if (t + 2) > self._EDGES:
tri.addVertex(1)
else:
tri.addVertex(t + 2)
tri.closePrimitive()
circle.addPrimitive(tri)
gn = GeomNode('Circle')
gn.addGeom(circle)
np = NodePath(gn)
np.setHpr(0, 90, 0)
return np
def visualize(self,
parentNodePath,
highlightVerts=[],
pathVerts=[],
visitedVerts=[]):
'''
XXX Should move this into a product-specific class.
'''
gFormat = GeomVertexFormat.getV3cp()
self.visVertexData = GeomVertexData("OMGVERTEXDATA2", gFormat,
Geom.UHDynamic)
self.visVertexWriter = GeomVertexWriter(self.visVertexData, "vertex")
self.visVertexColorWriter = GeomVertexWriter(self.visVertexData,
"color")
vertToWriterIndex = {}
currIndex = 0
for v in self.vertexCoords.keys():
vertToWriterIndex[v] = currIndex
x = self.vertexCoords[v][0]
y = self.vertexCoords[v][1]
z = self.vertexCoords[v][2]
self.visVertexWriter.addData3f(x, y, z + 0.5)
if v in highlightVerts:
self.visVertexColorWriter.addData4f(1.0, 0.0, 0.0, 1.0)
elif v in visitedVerts:
self.visVertexColorWriter.addData4f(0.0, 0.0, 1.0, 1.0)
else:
self.visVertexColorWriter.addData4f(1.0, 1.0, 0.0, 1.0)
currIndex += 1
pathOffsetIntoIndex = currIndex
for v in pathVerts:
self.visVertexWriter.addData3f(v[0], v[1], v[2] + 0.5)
self.visVertexColorWriter.addData4f(0.0, 1.0, 0.0, 1.0)
currIndex += 1
lines = GeomLinestrips(Geom.UHStatic)
for p in self.polyToVerts.keys():
for v in self.polyToVerts[p]:
lines.addVertex(vertToWriterIndex[v])
lines.addVertex(vertToWriterIndex[self.polyToVerts[p][0]])
lines.closePrimitive()
if len(pathVerts) > 0:
for i in xrange(len(pathVerts)):
lines.addVertex(pathOffsetIntoIndex + i)
lines.closePrimitive()
self.visGeom = Geom(self.visVertexData)
self.visGeom.addPrimitive(lines)
self.visGN = GeomNode("NavMeshVis")
self.visGN.addGeom(self.visGeom)
self.visNodePath = parentNodePath.attachNewNode(self.visGN)
self.visNodePath.setTwoSided(True)
def addGeometry(self, geomData):
debugGui = dict()
format = GeomVertexFormat.getV3n3t2()
vdata = GeomVertexData('name', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
texcoord = GeomVertexWriter(vdata, 'texcoord')
prim = GeomTriangles(Geom.UHStatic)
postphonedTriangles = list()
vtxTargetId0 = vtxTargetId1 = vtxTargetId2 = None
vtxDataCounter = 0
for vtxSourceId0, vtxSourceId1, vtxSourceId2 in geomData.triangles:
vx0,vy0,vz0 = v0 = geomData.getVertex(vtxSourceId0)
vx1,vy1,vz1 = v1 = geomData.getVertex(vtxSourceId1)
vx2,vy2,vz2 = v2 = geomData.getVertex(vtxSourceId2)
# prepare the vertices
uvx0, uvy0 = uv0 = geomData.getUv(vtxSourceId0)
uvx1, uvy1 = uv1 = geomData.getUv(vtxSourceId1)
uvx2, uvy2 = uv2 = geomData.getUv(vtxSourceId2)
#
n0 = geomData.getNormal(vtxSourceId0)
n1 = geomData.getNormal(vtxSourceId1)
n2 = geomData.getNormal(vtxSourceId2)
# make it wrap nicely
if min(uvx0,uvx1,uvx2) < .25 and max(uvx0,uvx1,uvx2) > 0.75:
if uvx0 < 0.25: uvx0 += 1.0
if uvx1 < 0.25: uvx1 += 1.0
if uvx2 < 0.25: uvx2 += 1.0
vertex.addData3f(*v0)
normal.addData3f(*n0)
texcoord.addData2f(*uv0)
vtxTargetId0 = vtxDataCounter
vtxDataCounter += 1
vertex.addData3f(*v1)
normal.addData3f(*n1)
texcoord.addData2f(*uv1)
vtxTargetId1 = vtxDataCounter
vtxDataCounter += 1
vertex.addData3f(*v2)
normal.addData3f(*n2)
texcoord.addData2f(*uv2)
vtxTargetId2 = vtxDataCounter
vtxDataCounter += 1
prim.addVertex(vtxTargetId0)
prim.addVertex(vtxTargetId1)
prim.addVertex(vtxTargetId2)
prim.closePrimitive()
if False:
if vtxSourceId0 not in debugGui:
i = InfoTextBillaboarded(render)
i.setScale(0.05)
i.billboardNodePath.setPos(Vec3(x0,y0,z0)*1.1)
i.setText('%i: %.1f %.1f %.1f\n%.1f %.1f' % (vtxSourceId0, x0,y0,z0, nx0, ny0))
debugGui[vtxSourceId0] = i
if vtxSourceId1 not in debugGui:
i = InfoTextBillaboarded(render)
i.setScale(0.05)
i.billboardNodePath.setPos(Vec3(x1,y1,z1)*1.1)
i.setText('%i: %.1f %.1f %.1f\n%.1f %.1f' % (vtxSourceId1, x1,y1,z1, nx1, ny1))
debugGui[vtxSourceId1] = i
if vtxSourceId2 not in debugGui:
i = InfoTextBillaboarded(render)
i.setScale(0.05)
i.billboardNodePath.setPos(Vec3(x2,y2,z2)*1.1)
i.setText('%i: %.1f %.1f %.1f\n%.1f %.1f' % (vtxSourceId2, x2,y2,z2, nx2, ny2))
debugGui[vtxSourceId2] = i
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('gnode')
node.addGeom(geom)
nodePath = self.attachNewNode(node)
return nodePath
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
def make_layer(self, i, a, b):
# get data
data = self.subdata[a][b]
# set color + alpha of vertex texture
def ap(n):
alpha = 0
if i == n:
alpha = 1.0
return alpha
def tp(n):
list = [0, 0, 0, 0]
if i == n:
list = [1, 1, 1, 0.75]
return list
# set vertex data
vdata = GeomVertexData('plane', GeomVertexFormat.getV3n3c4t2(), Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
uv = GeomVertexWriter(vdata, 'texcoord')
# set vertices
number = 0
for x in range(0, len(data) - 1):
for y in range(0, len(data[x]) - 1):
# get vertex data
v1 = Vec3(x, y, data[x][y]['h'])
c1 = data[x][y]['c']
t1 = data[x][y]['texnum']
v2 = Vec3(x+1, y, data[x+1][y]['h'])
c2 = data[x+1][y]['c']
t2 = data[x+1][y]['texnum']
v3 = Vec3(x+1, y+1, data[x+1][y+1]['h'])
c3 = data[x+1][y+1]['c']
t3 = data[x+1][y+1]['texnum']
v4 = Vec3(x, y+1, data[x][y+1]['h'])
c4 = data[x][y+1]['c']
t4 = data[x][y+1]['texnum']
n=(0, 0, 1) # normal
# assign vertex colors + alpha
a1, a2, a3, a4 = ap(t1), ap(t2), ap(t3), ap(t4)
t1, t2, t3, t4 = tp(t1), tp(t2), tp(t3), tp(t4)
if v1[2]==0:
t1 = [data[x][y]['c'][0], data[x][y]['c'][1], data[x][y]['c'][2],
a1]
if v2[2]==0:
t2 = [data[x+1][y]['c'][0], data[x+1][y]['c'][1],
data[x+1][y]['c'][2], a2]
if v3[2]==0:
t3 = [data[x+1][y+1]['c'][0], data[x+1][y+1]['c'][1],
data[x+1][y+1]['c'][2], a3]
if v4[2]==0:
t4 = [data[x][y+1]['c'][0], data[x][y+1]['c'][1],
data[x][y+1]['c'][2], a4]
if a1 == 0 and a2 == 0 and a3 == 0 and a4 == 0:
continue
# add vertices
vertex.addData3f(v1)
normal.addData3f(*n)
color.addData4f(*t1)
uv.addData2f(0,0)
vertex.addData3f(v2)
normal.addData3f(*n)
color.addData4f(*t2)
uv.addData2f(1,0)
vertex.addData3f(v3)
normal.addData3f(*n)
color.addData4f(*t3)
uv.addData2f(1,1)
vertex.addData3f(v1)
normal.addData3f(*n)
color.addData4f(*t1)
uv.addData2f(0,0)
vertex.addData3f(v3)
normal.addData3f(*n)
color.addData4f(*t3)
uv.addData2f(1,1)
vertex.addData3f(v4)
normal.addData3f(*n)
color.addData4f(*t4)
uv.addData2f(0,1)
number = number + 2
# add triangles
prim = GeomTriangles(Geom.UHStatic)
for n in range(number):
prim.addVertices((n * 3) + 2, (n * 3) + 0, (n * 3) + 1)
prim.closePrimitive()
# make geom
geom = Geom(vdata)
geom.addPrimitive(prim)
# make geom node
node = GeomNode("layer" + str(i) + "_" + str(a) + "_" + str(b))
node.addGeom(geom)
# make mesh nodePath
mesh = NodePath(node)
# load and assign texture
txfile = self.tiles[i]['tex']
tx = base.loader.loadTexture(txfile)
tx.setMinfilter(Texture.FTLinearMipmapLinear)
mesh.setDepthTest(DepthTestAttrib.MLessEqual)
mesh.setDepthWrite(False)
mesh.setTransparency(True)
mesh.setTexture(tx)
# set render order
mesh.setBin("", 1)
# locate mesh
mesh.setPos(self.divsep * (a * int(len(self.data[a]) / self.div)),
self.divsep * (b * int(len(self.data[b]) / self.div)), 0.001)
# reparent mesh
mesh.reparentTo(self.root)
# return mesh
return mesh
def make_base(self, a, b):
# get data
data = self.subdata[a][b]
# set vertex data
vdata = GeomVertexData('plane', GeomVertexFormat.getV3n3c4t2(), Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
uv = GeomVertexWriter(vdata, 'texcoord')
# set vertices
number = 0
for x in range(0, len(data) - 1):
for y in range(0, len(data[x]) - 1):
# get vertex data
v1 = Vec3(x, y, data[x][y]['h'])
v2 = Vec3(x + 1, y, data[x+1][y]['h'])
v3 = Vec3(x + 1, y + 1, data[x+1][y+1]['h'])
v4 = Vec3(x, y + 1, data[x][y+1]['h'])
n = (0, 0, 1) # normal
# assign vertex colors + alpha
option = 1 # black
if option == 1:
c = 0
c1 = [c, c, c, 1]
c2 = [c, c, c, 1]
c3 = [c, c, c, 1]
c4 = [c, c, c, 1]
# option2: color vertices
if option == 2:
alpha = 1.0
c1 = [data[x][y]['c'][0], data[x][y]['c'][1],
data[x][y]['c'][2], alpha]
c2 = [data[x+1][y]['c'][0], data[x+1][y]['c'][1],
data[x+1][y]['c'][2], alpha]
c3 = [data[x+1][y+1]['c'][0], data[x+1][y+1]['c'][1],
data[x+1][y+1]['c'][2], alpha]
c4 = [data[x][y+1]['c'][0], data[x][y+1]['c'][1],
data[x][y+1]['c'][2], alpha]
if option == 3:
c1 = self.color_vertex(v1)
c2 = self.color_vertex(v2)
c3 = self.color_vertex(v3)
c4 = self.color_vertex(v4)
vertex.addData3f(v1)
normal.addData3f(*n)
color.addData4f(*c1)
uv.addData2f(0,0)
vertex.addData3f(v2)
normal.addData3f(*n)
color.addData4f(*c2)
uv.addData2f(1,0)
vertex.addData3f(v3)
normal.addData3f(*n)
color.addData4f(*c3)
uv.addData2f(1,1)
vertex.addData3f(v1)
normal.addData3f(*n)
color.addData4f(*c1)
uv.addData2f(0,0)
vertex.addData3f(v3)
normal.addData3f(*n)
color.addData4f(*c3)
uv.addData2f(1,1)
vertex.addData3f(v4)
normal.addData3f(*n)
color.addData4f(*c4)
uv.addData2f(0,1)
# # add vertex h
# vertex.addData3f(v1)
# # normal.addData3f(*n)
# vertex.addData3f(v2)
# # normal.addData3f(*n)
# vertex.addData3f(v3)
# # normal.addData3f(*n)
# vertex.addData3f(v1)
# # normal.addData3f(*n)
# vertex.addData3f(v3)
# # normal.addData3f(*n)
# vertex.addData3f(v4)
# # normal.addData3f(*n)
# # add vertex color
# color.addData4f(*c1)
# color.addData4f(*c2)
# color.addData4f(*c3)
# color.addData4f(*c1)
# color.addData4f(*c3)
# color.addData4f(*c4)
# iterate
number = number + 2
# add triangles
prim = GeomTriangles(Geom.UHStatic)
for n in range(number):
prim.addVertices((n * 3) + 2, (n * 3) + 0, (n * 3) + 1)
prim.closePrimitive()
# make geom
geom = Geom(vdata)
geom.addPrimitive(prim)
# make geom node
node = GeomNode("base" + "_" + str(a) + "_" + str(b))
node.addGeom(geom)
# make mesh nodePath
mesh = NodePath(node)
# set render order
mesh.setBin("", 1)
# locate mesh
mesh.setPos(self.divsep * (a * int(len(self.data[a]) / self.div)),
self.divsep * (b * int(len(self.data[b]) / self.div)), 0)
# reparent mesh
mesh.reparentTo(self.root)
# return mesh
return mesh
def __init__(self, parent): self.parent = parent self.format = GeomVertexFormat.getV3c4() self.node_path = None self.init_node_path()
def draw(self):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
#make sure we draw the sqaure in the right plane
#if x1!=x2:
vertex.addData3f(self.x1, self.y1, self.z1)
vertex.addData3f(self.x2, self.y1, self.z1)
vertex.addData3f(self.x2, self.y2, self.z2)
vertex.addData3f(self.x1, self.y2, self.z2)
normal.addData3f(
Vec3(2 * self.x1 - 1, 2 * self.y1 - 1,
2 * self.z1 - 1).normalize())
normal.addData3f(
Vec3(2 * self.x2 - 1, 2 * self.y1 - 1,
2 * self.z1 - 1).normalize())
normal.addData3f(
Vec3(2 * self.x2 - 1, 2 * self.y2 - 1,
2 * self.z2 - 1).normalize())
normal.addData3f(
Vec3(2 * self.x1 - 1, 2 * self.y2 - 1,
2 * self.z2 - 1).normalize())
#adding different colors to the vertex for visibility
color.addData4f(self.r, self.g, self.b, self.a)
color.addData4f(self.r, self.g, self.b, self.a)
color.addData4f(self.r, self.g, self.b, self.a)
color.addData4f(self.r, self.g, self.b, self.a)
texcoord.addData2f(0.0, 1.0)
texcoord.addData2f(0.0, 0.0)
texcoord.addData2f(1.0, 0.0)
texcoord.addData2f(1.0, 1.0)
#quads arent directly supported by the Geom interface
#you might be interested in the CardMaker class if you are
#interested in rectangle though
tri1 = GeomTriangles(Geom.UHStatic)
tri2 = GeomTriangles(Geom.UHStatic)
tri1.addVertex(0)
tri1.addVertex(1)
tri1.addVertex(3)
tri2.addConsecutiveVertices(1, 3)
tri1.closePrimitive()
tri2.closePrimitive()
square = Geom(vdata)
square.addPrimitive(tri1)
square.addPrimitive(tri2)
#square.setIntoCollideMask(BitMask32.bit(1))
self.squareNP = NodePath(GeomNode('square gnode'))
self.squareNP.node().addGeom(square)
self.squareNP.setTransparency(1)
self.squareNP.setAlphaScale(.5)
self.squareNP.setTwoSided(True)
#squareNP.setCollideMask(BitMask32.bit(1))
self.squareNP.reparentTo(self.parent)
return self.squareNP
def _create_vertex_data(self):
"""Creates and fills the vertex data store."""
format = GeomVertexFormat.getV3n3cp()
vdata = GeomVertexData('surface', format, Geom.UHDynamic)
tri = GeomTriangles(Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
vertmap = [(0, 1), (1, 2), (2, 3), (3, 0), (4, 5), (5, 6), (6, 7), (7, 4), (0, 4), (1, 5), (2, 6), (3, 7)]
def generate_index(x, y, z):
return x + \
y * (self._surface.mls_subdivisions+2) + \
z * (self._surface.mls_subdivisions+2)**2
numbering_scheme = [
(0, 0, 1),
(1, 0, 1),
(1, 0, 0),
(0, 0, 0),
(0, 1, 1),
(1, 1, 1),
(1, 1, 0),
(0, 1, 0)]
vertices = zeros((12,), dtype='3f')
vertex_normals = zeros((12,), dtype='3f')
# walk the cubes
for x_index in range(self._surface.mls_subdivisions+1):
for y_index in range(self._surface.mls_subdivisions+1):
for z_index in range(self._surface.mls_subdivisions+1):
#points = map(lambda offsets: self._surface.mls_points[generate_index(array([x_index, y_index, z_index]) + offsets)], numbering_scheme)
points = [
self._surface.mls_points[generate_index(x_index + 0, y_index + 0, z_index + 1)],
self._surface.mls_points[generate_index(x_index + 1, y_index + 0, z_index + 1)],
self._surface.mls_points[generate_index(x_index + 1, y_index + 0, z_index + 0)],
self._surface.mls_points[generate_index(x_index + 0, y_index + 0, z_index + 0)],
self._surface.mls_points[generate_index(x_index + 0, y_index + 1, z_index + 1)],
self._surface.mls_points[generate_index(x_index + 1, y_index + 1, z_index + 1)],
self._surface.mls_points[generate_index(x_index + 1, y_index + 1, z_index + 0)],
self._surface.mls_points[generate_index(x_index + 0, y_index + 1, z_index + 0)],
]
values = [
self._surface.mls_distances[generate_index(x_index + 0, y_index + 0, z_index + 1)],
self._surface.mls_distances[generate_index(x_index + 1, y_index + 0, z_index + 1)],
self._surface.mls_distances[generate_index(x_index + 1, y_index + 0, z_index + 0)],
self._surface.mls_distances[generate_index(x_index + 0, y_index + 0, z_index + 0)],
self._surface.mls_distances[generate_index(x_index + 0, y_index + 1, z_index + 1)],
self._surface.mls_distances[generate_index(x_index + 1, y_index + 1, z_index + 1)],
self._surface.mls_distances[generate_index(x_index + 1, y_index + 1, z_index + 0)],
self._surface.mls_distances[generate_index(x_index + 0, y_index + 1, z_index + 0)],
]
#values = map(lambda offsets: self._surface.mls_distances[generate_index(array([x_index, y_index, z_index]) + offsets)], numbering_scheme)
cubeindex = self._get_cubeindex(values)
for n in range(12):
if self.edge_table[cubeindex] & (2**n):
t_v, t_n = self._interpolate(points[vertmap[n][0]], points[vertmap[n][1]], values[vertmap[n][0]], values[vertmap[n][1]])
vertices[n] = t_v
vertex_normals[n] = t_n/norm(t_n)
else:
vertices[n] = 0
vertex_normals[n] = 0
triangles = []
i = 0
while self.triangle_table[cubeindex][i] != -1:
triangles.append([self.triangle_table[cubeindex][i],
self.triangle_table[cubeindex][i+1],
self.triangle_table[cubeindex][i+2]])
i += 3
for triangle in triangles:
vertex.addData3f(*vertices[triangle[0]])
vertex.addData3f(*vertices[triangle[1]])
vertex.addData3f(*vertices[triangle[2]])
normal.addData3f(*vertex_normals[triangle[0]])
normal.addData3f(*vertex_normals[triangle[1]])
normal.addData3f(*vertex_normals[triangle[2]])
#color.addData4f(self._color[0], self._color[1], self._color[2], self._color[3])
#color.addData4f(self._color[0], self._color[1], self._color[2], self._color[3])
#color.addData4f(self._color[0], self._color[1], self._color[2], self._color[3])
color.addData4f(*self._color)
color.addData4f(*self._color)
color.addData4f(*self._color)
tri.addNextVertices(3)
self._vdata = vdata
tri.closePrimitive()
self._geom_primitives = [tri, ]
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
def generate_sphere(name, radius, resolution):
"""
Generates a sphere with the provided resolution.
@type name: string
@param name: Name of this sphere.
@type radius: number
@param radius: Radius of sphere in kilometers.
@type resolution: number
@param resolution: Resolution of sphere (minimum 2)
@rtype: GeomNode
@return: A GeomNode with the given sphere.
"""
if resolution < 2:
raise ValueError, "resolution must be >= 2"
horizBands = resolution*2
vertBands = horizBands*2
vertexFormat = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('%s_vdata' % name, vertexFormat, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
normal = GeomVertexWriter(vdata, 'normal')
texcoord = GeomVertexWriter(vdata, 'texcoord')
vertDelta = omath.TWOPI / vertBands
horizDelta = omath.TWOPI / horizBands
numVertices = 0
for i in range(vertBands+1):
lowTheta = i * vertDelta
highTheta = (i+1) * vertDelta
cosLowTheta = math.cos(lowTheta)
sinLowTheta = math.sin(lowTheta)
cosHighTheta = math.cos(highTheta)
sinHighTheta = math.sin(highTheta)
for j in range(horizBands):
horizTheta = j * horizDelta
cosHorizTheta = math.cos(horizTheta)
sinHorizTheta = math.sin(horizTheta)
ex = cosLowTheta*cosHorizTheta
ey = sinLowTheta
ez = cosLowTheta*sinHorizTheta
vertex.addData3f(ex*radius, ey*radius, ez*radius)
normal.addData3f(ex, ey, ez)
color.addData4f(.75, .75, .75, 1)
texcoord.addData2f(i / vertBands, j / horizBands)
ex = cosHighTheta*cosHorizTheta
ey = sinHighTheta
ez = cosHighTheta*sinHorizTheta
vertex.addData3f(ex*radius, ey*radius, ez*radius)
normal.addData3f(ex, ey, ez)
color.addData4f(.75, .75, .75, 1)
texcoord.addData2f(i / vertBands, j / horizBands)
numVertices += 2
prim = GeomTristrips(Geom.UHStatic)
prim.addConsecutiveVertices(0, numVertices)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
geomNode = GeomNode(name)
geomNode.addGeom(geom)
return GeomScaler(geomNode)
def __init__(self, inner, outer, sectors):
super(RingNode, self).__init__('ring')
self.inner = inner
self.outer = outer
self.sectors = sectors
ringgeo = RawGeometry()
# inner and outer radii are the true circular limits, so expand a little bit
# for the sectored mesh
mesh_inner = self.inner * 0.9
mesh_outer = self.outer * 1.1
angular_width = 2.0 * math.pi / self.sectors
for sector in range(self.sectors):
start = sector * angular_width
end = (sector + 1) * angular_width
# add a quad
x0 = math.sin(start) * mesh_inner
x1 = math.sin(start) * mesh_outer
x2 = math.sin(end) * mesh_inner
x3 = math.sin(end) * mesh_outer
z0 = math.cos(start) * mesh_inner
z1 = math.cos(start) * mesh_outer
z2 = math.cos(end) * mesh_inner
z3 = math.cos(end) * mesh_outer
index = len(ringgeo.verts)
ringgeo.verts.append((x0, 0, z0))
ringgeo.verts.append((x1, 0, z1))
ringgeo.verts.append((x2, 0, z2))
ringgeo.verts.append((x3, 0, z3))
# double-side the faces so they render from either side
# top pair...
ringgeo.faces.append((index + 0, index + 1, index + 2))
ringgeo.faces.append((index + 1, index + 3, index + 2))
# bottom pair...
ringgeo.faces.append((index + 0, index + 2, index + 1))
ringgeo.faces.append((index + 1, index + 2, index + 3))
format = GeomVertexFormat.getV3n3()
vdata = GeomVertexData('ring', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
for (x, y, z) in ringgeo.verts:
vertex.addData3f(x, y, z)
normal.addData3f(0, 1, 0)
trilist = GeomTriangles(Geom.UHDynamic)
for (a, b, c) in ringgeo.faces:
trilist.addVertex(a)
trilist.addVertex(b)
trilist.addVertex(c)
trilist.closePrimitive()
ring = Geom(vdata)
ring.addPrimitive(trilist)
self.addGeom(ring)
def __init__(self,inner,outer,sectors):
super(RingNode,self).__init__('ring')
self.inner = inner
self.outer = outer
self.sectors = sectors
ringgeo = RawGeometry()
# inner and outer radii are the true circular limits, so expand a little bit
# for the sectored mesh
mesh_inner = self.inner * 0.9
mesh_outer = self.outer * 1.1
angular_width = 2.0 * math.pi / self.sectors
for sector in range( self.sectors ):
start = sector * angular_width
end = (sector+1) * angular_width
# add a quad
x0 = math.sin(start) * mesh_inner
x1 = math.sin(start) * mesh_outer
x2 = math.sin(end ) * mesh_inner
x3 = math.sin(end ) * mesh_outer
z0 = math.cos(start) * mesh_inner
z1 = math.cos(start) * mesh_outer
z2 = math.cos(end ) * mesh_inner
z3 = math.cos(end ) * mesh_outer
index = len(ringgeo.verts)
ringgeo.verts.append( (x0, 0, z0) )
ringgeo.verts.append( (x1, 0, z1) )
ringgeo.verts.append( (x2, 0, z2) )
ringgeo.verts.append( (x3, 0, z3) )
# double-side the faces so they render from either side
# top pair...
ringgeo.faces.append( (index+0,index+1,index+2) )
ringgeo.faces.append( (index+1,index+3,index+2) )
# bottom pair...
ringgeo.faces.append( (index+0,index+2,index+1) )
ringgeo.faces.append( (index+1,index+2,index+3) )
format=GeomVertexFormat.getV3n3()
vdata=GeomVertexData('ring', format, Geom.UHDynamic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
for (x,y,z) in ringgeo.verts:
vertex.addData3f( x, y, z )
normal.addData3f( 0, 1, 0 )
trilist=GeomTriangles(Geom.UHDynamic)
for (a,b,c) in ringgeo.faces:
trilist.addVertex(a)
trilist.addVertex(b)
trilist.addVertex(c)
trilist.closePrimitive()
ring = Geom(vdata)
ring.addPrimitive( trilist )
self.addGeom( ring )
