def make_square(x1,
y1,
z1,
x2,
y2,
z2,
x3,
y3,
z3,
x4,
y4,
z4,
tex_len=None,
tex_width=None):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
texcoord = GeomVertexWriter(vdata, 'texcoord')
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x3, y3, z3)
vertex.addData3(x4, y4, z4)
D = Vec3(x1, y1, z1)
C = Vec3(x2, y2, z2)
B = Vec3(x3, y3, z3)
A = Vec3(x4, y4, z4)
normal_vec = (C - A).cross(D - B).normalize()
normal.addData3(normal_vec)
normal.addData3(normal_vec)
normal.addData3(normal_vec)
normal.addData3(normal_vec)
side_len = math.sqrt((x3 - x1)**2 + (y3 - y1)**2)
start_width = math.sqrt((x2 - x1)**2 + (y2 - y1)**2)
end_width = math.sqrt((x4 - x3)**2 + (y4 - y3)**2)
texcoord.addData2f(0.0, (start_width /
tex_width) if tex_width is not None else 1.0)
texcoord.addData2f(0.0, 0.0)
texcoord.addData2f((side_len / tex_len) if tex_len is not None else 1.0,
0.0)
texcoord.addData2f(
(side_len / tex_len) if tex_len is not None else 1.0,
(end_width / tex_width) if tex_width is not None else 1.0)
# Quads aren't directly supported by the Geom interface
# you might be interested in the CardMaker class if you are
# interested in rectangle though
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 2)
tris.addVertices(0, 2, 3)
square = Geom(vdata)
square.addPrimitive(tris)
return square
def __init__(self, name):
self.name = name
self.poly_groups = []
# GeomVertexFormats
#
# GeomVertexFormat.getV3cpt2() - vertex, color, uv
# GeomVertexFormat.getV3t2() - vertex, uv
# GeomVertexFormat.getV3cp() - vertex, color
# GeomVertexFormat.getV3n3t2() - vertex, normal, uv
# GeomVertexFormat.getV3n3cpt2()- vertex, normal, rgba, uv
# textured
self.vdata = GeomVertexData(name, GeomVertexFormat.getV3n3cpt2(),
Geom.UHStatic)
# plain color filled polys
# self.vdata = GeomVertexData(name, GeomVertexFormat.getV3cp(), Geom.UHStatic)
self.vertex = GeomVertexWriter(self.vdata, 'vertex')
self.vnormal = GeomVertexWriter(self.vdata, 'normal')
self.color = GeomVertexWriter(self.vdata, 'color')
self.texcoord = GeomVertexWriter(self.vdata, 'texcoord')
self.root = NodePath(PandaNode(name + '_mesh'))
def makeSquare(x1, y1, z1, x2, y2, z2):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
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.addData3(x1, y1, z1)
vertex.addData3(x2, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y2, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y2 - 1, 2 * z2 - 1))
else:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y1, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z2 - 1))
# adding different colors to the vertex for visibility
# color.addData4f(1.0, 0.0, 0.0, 1.0)
# color.addData4f(0.0, 1.0, 0.0, 1.0)
# color.addData4f(0.0, 0.0, 1.0, 1.0)
# color.addData4f(1.0, 0.0, 1.0, 1.0)
color.addData4f(1.0, 1.0, 1.0, 1.0)
color.addData4f(1.0, 1.0, 1.0, 1.0)
color.addData4f(1.0, 1.0, 1.0, 1.0)
color.addData4f(1.0, 1.0, 1.0, 1.0)
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 aren't directly supported by the Geom interface
# you might be interested in the CardMaker class if you are
# interested in rectangle though
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 3)
tris.addVertices(1, 2, 3)
square = Geom(vdata)
square.addPrimitive(tris)
return square
def makeSquare(x1, y1, z1, x2, y2, z2):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
#initializing variables
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
#gotta draw the sqaure in the right plane
#aligning vertexes to the right planes
if x1 != x2:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y2, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y2 - 1, 2 * z2 - 1))
else:
#adding vertexes
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y1, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z2 - 1))
#adding different colors to the vertex for visibility
color.addData4f(1.0, 0.0, 0.0, 1.0)
color.addData4f(0.0, 1.0, 0.0, 1.0)
color.addData4f(0.0, 0.0, 1.0, 1.0)
color.addData4f(1.0, 0.0, 1.0, 1.0)
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 aren't directly supported by the geom interface
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 3)
tris.addVertices(1, 2, 3)
#initialize surface
square = Geom(vdata)
square.addPrimitive(tris)
return square
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("../asset/TreeGenerator/barkTexture.jpg")
def __init__(self, node: GeomNode, node_sea: GeomNode, map_dim: Tuple[int, int]):
# self.v_data = GeomVertexData('hexmap', GeomVertexFormat.getV3n3cpt2(), Geom.UHStatic)
self.map_point_mngr = MapPointMngr.instance()
# self.map_point_mngr.set_v_data(self.v_data)
self.map_point_mngr.set_map_dim(map_dim)
self.map_dim = map_dim
self.map: List[List[Hexagon]] = []
self.hex_rad = 1
self.hex_width = sqrt(3) * self.hex_rad
self.hex_height = 2 * self.hex_rad
self.geometries_v_data = []
self.nodes = []
self.connectable = []
chunk = -1
for j in range(self.map_dim[1]):
for i in range(self.map_dim[0]):
if i % HexMap.chunksize_x == 0:
chunk += 1
v = GeomVertexData('hexmap', GeomVertexFormat.getV3n3cpt2(), Geom.UHStatic)
self.geometries_v_data.append(v)
self.map_point_mngr.set_v_data(v)
self.map.append([])
x_center = i * self.hex_width + (j & 1) * self.hex_width / 2
y_center = j * self.hex_height * 3 / 4
ref_lvl = 3 if (i > 0 and i < self.map_dim[0] - 1) and (j > 0 and j < self.map_dim[1] - 1) else 1
# ref_lvl = 5
center = Vec3(x_center, y_center, 0)
h = Hexagon(center, self.hex_width, self.hex_height, i, j, refinement_level=ref_lvl)
if ref_lvl > 1:
self.connectable.append(h)
self.map[chunk].append(h)
self.map_point_mngr.set_v_data(self.geometries_v_data[1])
self.connectable[0].connect(self.connectable[1])
self.connectable[1].connect(self.connectable[0])
self.geometries = []
for j in range(self.map_dim[1]):
for c in range(ceil(self.map_dim[0] / HexMap.chunksize_x)):
idx = c + j * ceil(self.map_dim[0] / HexMap.chunksize_x)
g = Geom(self.geometries_v_data[idx])
self.geometries.append(g)
for hexagon in self.map[idx]:
for triangle in hexagon.triangulation:
g.addPrimitive(triangle)
if j == 0 or j == self.map_dim[1] - 1:
node_sea.addGeom(g)
else:
node.addGeom(g)
print(f"Node has {node.getNumGeoms()} geos")
def makeSquare(x1, y1, z1, x2, y2, z2):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
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.addData3(x1, y1, z1)
vertex.addData3(x2, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y2, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y2 - 1, 2 * z2 - 1))
else:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y1, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z2 - 1))
# adding different colors to the vertex for visibility
# color.addData4f(1.0, 0.0, 0.0, 1.0)
# color.addData4f(0.0, 1.0, 0.0, 1.0)
# color.addData4f(0.0, 0.0, 1.0, 1.0)
# color.addData4f(1.0, 0.0, 1.0, 1.0)
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 aren't directly supported by the Geom interface
# you might be interested in the CardMaker class if you are
# interested in rectangle though
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 3)
tris.addVertices(1, 2, 3)
square = Geom(vdata)
square.addPrimitive(tris)
return square
def Square(self):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('cube', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
################################
#
# FACE 1
#
################################
vert1 = LVector3(self.pos.getX(), self.pos.getY(), self.pos.getZ())
vert2 = LVector3(vert1.getX() + self.len, vert1.getY(), vert1.getZ())
vert3 = LVector3(vert2.getX(), vert2.getY() + self.wid, vert2.getZ())
vert4 = LVector3(vert1.getX(), vert1.getY() + self.wid, vert1.getZ())
vertex.addData3(vert1)
vertex.addData3(vert2)
vertex.addData3(vert3)
vertex.addData3(vert4)
normal = GeomVertexWriter(vdata, 'normal')
norm = (vert4 - vert1).cross(vert2 - vert1)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color = GeomVertexWriter(vdata, 'color')
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord = GeomVertexWriter(vdata, 'texcoord')
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 3, 1)
tris.addVertices(1, 3, 2)
square = Geom(vdata)
square.addPrimitive(tris)
self.prim = square
self.model = GeomNode(self.name)
self.model.addGeom(self.prim)
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, LVector3(4, 4, 7))
treeNodePath.setTexture(self.barkTexture, 1)
treeNodePath.reparentTo(render)
self.accept("q", self.regenTree)
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.numIterations = 11
self.numCopies = 4
self.upDownEvent = OnscreenText(
text="Up/Down: Increase/Decrease the number of iterations (" +
str(self.numIterations) + ")",
parent=base.a2dTopLeft,
align=TextNode.ALeft,
style=1,
fg=(1, 1, 1, 1),
pos=(0.06, -0.22),
scale=.05,
mayChange=True)
self.leftRightEvent = OnscreenText(
text="Left/Right: Increase/Decrease branching (" +
str(self.numCopies) + ")",
parent=base.a2dTopLeft,
align=TextNode.ALeft,
style=1,
fg=(1, 1, 1, 1),
pos=(0.06, -0.28),
scale=.05,
mayChange=True)
def createTetraeder(self, iterations):
'''
Note that the first and the last node of the Thetha_Range should be 0 and 180 Degrees
because this will be just one time added to verticies
'''
#Format
format = GeomVertexFormat.getV3n3cpt2()
#VertexData
vdata = GeomVertexData('name', format, Geom.UHDynamic)
##VertexWriter
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
vertex.addData3f(0,1.434,-0.507)
vertex.addData3f(-1.242,-0.717,-0.507)
vertex.addData3f(1.242,-0.717,-0.507)
vertex.addData3f(0,0,1.521)
color.addData4f(1,1,1,1)
color.addData4f(1,1,1,1)
color.addData4f(1,1,1,1)
color.addData4f(1,1,1,1)
normal.addData3f(0,1.434,-0.507)
normal.addData3f(-1.242,-0.717,-0.507)
normal.addData3f(1.242,-0.717,-0.507)
normal.addData3f(0,0,1.521)
### Create Geom
geom = Geom(vdata)
### Create Primitives
prim = GeomTriangles(Geom.UHStatic)
prim.addVertices(0, 1, 2)
prim.addVertices(0, 1, 3)
prim.addVertices(1, 2, 3)
prim.addVertices(2, 0, 3)
prim.closePrimitive()
geom.addPrimitive(prim)
node = GeomNode('gnode')
node.addGeom(geom)
return node
def make_cube_geom(self,
pos=(0, 0, 0),
geom_color=(1, 1, 1, 0.5),
faces_no_draw=(0, 0, 0, 0, 0, 0)):
format = GeomVertexFormat.getV3n3cpt2()
shift_x, shift_y, shift_z = pos
cube_vertex_list = deepcopy(cube_data["vertexPositions"])
for vert in cube_vertex_list:
vert[0] += shift_x
vert[1] += shift_y
vert[2] += shift_z
vdata = GeomVertexData('square', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
test_textcoords = []
# define available vertexes here
[vertex.addData3(*v) for v in cube_vertex_list]
[normal.addData3(*n) for n in cube_data["vertexNormals"]]
[color.addData4f(*geom_color) for _ in cube_vertex_list]
[texcoord.addData2f(*t) for t in texture_mapping]
""" CREATE A NEW PRIMITIVE """
prim = GeomTriangles(Geom.UHStatic)
# convert from numpy arr mapping to normal faces mapping...
excluded_normals = [
normal_face_mapping[self.dict_mapping[i]]
for i in range(len(faces_no_draw)) if faces_no_draw[i] == 1
]
# only use acceptable indices
indices = [
ind for ind in cube_data['indices']
if cube_data['vertexNormals'][ind] not in excluded_normals
]
[prim.addVertex(v) for v in indices]
# N.B: this must correspond to a vertex defined in vdata
geom = Geom(vdata) # create a new geometry
geom.addPrimitive(prim) # add the primitive to the geometry
return geom
def reconstruct(self):
trianglator = Triangulator()
#Add vertices to the trianglator
for vertex in self.vertices:
trianglator.addPolygonVertex(trianglator.addVertex(vertex))
trianglator.triangulate()
#Prepare to create the primative
self.vdata = GeomVertexData('floor', GeomVertexFormat.getV3n3cpt2(),
Geom.UHStatic)
vertexW = GeomVertexWriter(self.vdata, 'vertex')
normalW = GeomVertexWriter(self.vdata, 'normal')
colorW = GeomVertexWriter(self.vdata, 'color')
texcoordW = GeomVertexWriter(self.vdata, 'texcoord')
#Add vertices to the primative
i = 0
while i < trianglator.getNumVertices():
vertex = trianglator.getVertex(i)
vertexW.addData3f(vertex.x, vertex.y, 0.0)
normalW.addData3f(0, 0, 1)
colorW.addData4f(0.1, 0.1, 0.1, 0.5)
texcoordW.addData2f(0.0, 1.0)
i += 1
self.geom = Geom(self.vdata)
#Add triangles to the primative
i = 0
print(trianglator.getNumTriangles())
while i < trianglator.getNumTriangles():
tri = GeomTriangles(Geom.UHStatic)
tri.addVertices(trianglator.getTriangleV0(i),
trianglator.getTriangleV1(i),
trianglator.getTriangleV2(i))
tri.closePrimitive()
self.geom.addPrimitive(tri)
i += 1
self.addGeom(self.geom)
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, LVector3(4, 4, 7))
treeNodePath.setTexture(self.barkTexture, 1)
treeNodePath.reparentTo(render)
self.accept("q", self.regenTree)
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.numIterations = 11
self.numCopies = 4
self.upDownEvent = OnscreenText(
text="Up/Down: Increase/Decrease the number of iterations (" + str(
self.numIterations) + ")",
parent=base.a2dTopLeft, align=TextNode.ALeft,
style=1, fg=(1, 1, 1, 1), pos=(0.06, -0.22),
scale=.05, mayChange=True)
self.leftRightEvent = OnscreenText(
text="Left/Right: Increase/Decrease branching (" + str(
self.numCopies) + ")",
parent=base.a2dTopLeft, align=TextNode.ALeft,
style=1, fg=(1, 1, 1, 1), pos=(0.06, -0.28),
scale=.05, mayChange=True)
def makeSquare(face, rhs=True):
format=GeomVertexFormat.getV3n3cpt2()
format=GeomVertexFormat.getV3n3t2()
vdata=GeomVertexData('square', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
normal=GeomVertexWriter(vdata, 'normal')
#color=GeomVertexWriter(vdata, 'color')
texcoord=GeomVertexWriter(vdata, 'texcoord')
if not rhs:
face = list(reversed(face))
normalvec = (face[1]-face[0]).cross(face[2]-face[0])
normalvec.normalize()
f = 0.9 if rhs else 0.8
f = 1.0
for ver in face:
vertex.addData3f(ver*f)
normal.addData3f(normalvec)
#color.addData3f((ver+1.0+2.0)*0.25)
#color.addData3f(ver*0.0+1.0)
if not normalvec.z:
texcoord.addData2f(0.0, 0.0)
texcoord.addData2f(1.0, 0.0)
texcoord.addData2f(1.0, 1.0)
texcoord.addData2f(0.0, 1.0)
tri=GeomTriangles(Geom.UHStatic)
tri.addVertices(0, 1, 2)
tri.addVertices(2, 3, 0)
tri.closePrimitive()
square=Geom(vdata)
square.addPrimitive(tri)
return square
def reconstruct(self):
trianglator = Triangulator()
#Add vertices to the trianglator
for vertex in self.vertices:
trianglator.addPolygonVertex(trianglator.addVertex(vertex))
trianglator.triangulate()
#Prepare to create the primative
self.vdata = GeomVertexData('floor', GeomVertexFormat.getV3n3cpt2(), Geom.UHStatic)
vertexW = GeomVertexWriter(self.vdata, 'vertex')
normalW = GeomVertexWriter(self.vdata, 'normal')
colorW = GeomVertexWriter(self.vdata, 'color')
texcoordW = GeomVertexWriter(self.vdata, 'texcoord')
#Add vertices to the primative
i = 0
while i < trianglator.getNumVertices():
vertex = trianglator.getVertex(i)
vertexW.addData3f(vertex.x,vertex.y,0.0)
normalW.addData3f(0,0,1)
colorW.addData4f(0.1,0.1,0.1,0.5)
texcoordW.addData2f(0.0, 1.0)
i+=1
self.geom = Geom(self.vdata)
#Add triangles to the primative
i = 0
print(trianglator.getNumTriangles())
while i < trianglator.getNumTriangles():
tri = GeomTriangles(Geom.UHStatic)
tri.addVertices(trianglator.getTriangleV0(i),trianglator.getTriangleV1(i),trianglator.getTriangleV2(i))
tri.closePrimitive()
self.geom.addPrimitive(tri)
i+=1
self.addGeom(self.geom)
def make_cube_geom(pos=(0, 0, 0), geom_color=(1, 1, 1, 1)):
format = GeomVertexFormat.getV3n3cpt2()
shift_x, shift_y, shift_z = pos
cube_vertex_list = deepcopy(cube_data["vertexPositions"])
for vert in cube_vertex_list:
# vert[0] *= scale
# vert[1] *= scale
# vert[2] *= scale
vert[0] += shift_x
vert[1] += shift_y
vert[2] += shift_z
vdata = GeomVertexData('square', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
# define available vertexes here
[normal.addData3(*n) for n in cube_data["vertexNormals"]]
[vertex.addData3(*v) for v in cube_vertex_list]
[color.addData4f(*geom_color) for _ in cube_vertex_list]
[texcoord.addData2f(1, 1) for _ in cube_vertex_list]
""" CREATE A NEW PRIMITIVE """
prim = GeomTriangles(Geom.UHStatic)
# [prim.addVertex(v) for v in vertexes]
indices = [ind for ind in cube_data['indices']]
[prim.addVertex(v) for v in indices]
# N.B: this must correspond to a vertex defined in vdata
geom = Geom(vdata) # create a new geometry
geom.addPrimitive(prim) # add the primitive to the geometry
return geom
def __init__(self, name):
self.name = name
self.poly_groups = []
# GeomVertexFormats
#
# GeomVertexFormat.getV3cpt2() - vertex, color, uv
# GeomVertexFormat.getV3t2() - vertex, uv
# GeomVertexFormat.getV3cp() - vertex, color
# GeomVertexFormat.getV3n3t2() - vertex, normal, uv
# GeomVertexFormat.getV3n3cpt2()- vertex, normal, rgba, uv
# textured
self.vdata = GeomVertexData(name, GeomVertexFormat.getV3n3cpt2(), Geom.UHStatic)
# plain color filled polys
# self.vdata = GeomVertexData(name, GeomVertexFormat.getV3cp(), Geom.UHStatic)
self.vertex = GeomVertexWriter(self.vdata, 'vertex')
self.vnormal = GeomVertexWriter(self.vdata, 'normal')
self.color = GeomVertexWriter(self.vdata, 'color')
self.texcoord = GeomVertexWriter(self.vdata, 'texcoord')
self.root = NodePath(PandaNode(name+'_mesh'))
x = random.randint(sx, ex)
y = random.randint(sy, ey)
z = self.world.map3d[x, y]
if 0 < z < self.config.low_mount_level[1]:
res[tree].append((x, y, z))
self[item] = res
return res
# Shit for f*****g trees
formatArray = GeomVertexArrayFormat()
formatArray.addColumn(InternalName.make("drawFlag"), 1, Geom.NTUint8, Geom.COther)
treeform = GeomVertexFormat(GeomVertexFormat.getV3n3cpt2())
treeform.addArray(formatArray)
treeform = GeomVertexFormat.registerFormat(treeform)
# this draws the body of the tree. This draws a ring of vertices and connects the rings with
# triangles to form the body.
# this keepDrawing paramter tells the function wheter or not we're at an end
# if the vertices before you were an end, dont draw branches to it
def draw_body(nodePath, vdata, pos, vecList, radius=1, keepDrawing=True, numVertices=3):
circleGeom = Geom(vdata)
vertWriter = GeomVertexWriter(vdata, "vertex")
colorWriter = GeomVertexWriter(vdata, "color")
normalWriter = GeomVertexWriter(vdata, "normal")
def make_circle(x1, y1, z1, x2, y2, z2, inner_radius, end_inner_radius, arc,
new_z1, new_z2):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('circle', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
texcoord = GeomVertexWriter(vdata, 'texcoord')
ccw = arc < 0
arc = -arc if ccw else arc
num_parts = 2 * (arc / 360)**-1
num_draw = round(num_parts * (arc / 360))
x3 = x1 - x2
y3 = y1 - y2
z3 = z1 - z2
x3, y3, z3 = normalized(x3, y3, z3)
print(x3, y3)
theta_offset = math.atan2(y1 - y2, x1 - x2)
orig_radius = math.sqrt((x2 - x1)**2 + (y2 - y1)**2 + (z2 - z1)**2)
cur_x1 = 0
cur_y1 = 0
cur_z1 = 0
cur_x2 = 0
cur_y2 = 0
cur_z2 = 0
z1_diff = new_z1 - z1
z2_diff = new_z2 - z2
inner_radius_diff = end_inner_radius - inner_radius
x1_interp = x1 + (inner_radius * x3)
y1_interp = y1 + (inner_radius * y3)
z1_interp = z1 + (inner_radius * z3)
z2_interp = z2 + (inner_radius * z3)
print(x1_interp, y1_interp)
print(theta_offset)
for i in range(num_draw + 1):
theta = ((2 * -math.pi * i / num_parts) + math.pi) % (2 * math.pi)
interp = (i / num_draw)
inner_radius_interp = inner_radius + (inner_radius_diff * interp)
# inner_radius_interp = inner_radius
radius = orig_radius + inner_radius_interp
x_outer = math.cos((-theta if ccw else theta) + theta_offset) * radius
y_outer = math.sin((-theta if ccw else theta) + theta_offset) * radius
x_inner = math.cos((-theta if ccw else theta) +
theta_offset) * inner_radius_interp
y_inner = math.sin((-theta if ccw else theta) +
theta_offset) * inner_radius_interp
print(theta, x_inner + x1_interp, y_inner + y1_interp,
inner_radius_interp, theta + theta_offset)
vertex.addData3(x1_interp + x_inner, y1_interp + y_inner,
z1_interp + (z1_diff * interp))
cur_x1, cur_y1, cur_z1 = x1_interp + x_inner, y1_interp + y_inner, z1_interp + (
z1_diff * interp)
normal.addData3(
normalized(2 * (x1_interp + x_inner) - 1,
2 * (y1_interp + y_inner) - 1,
2 * (z1_interp + (z1_diff * interp)) - 1))
texcoord.addData2f(
((i / num_parts) * 2 * math.pi * inner_radius_interp) / 13, 1)
vertex.addData3(x1_interp + x_outer, y1_interp + y_outer,
z2_interp + (z2_diff * interp))
cur_x2, cur_y2, cur_z2 = x1_interp + x_outer, y1_interp + y_outer, z2_interp + (
z2_diff * interp)
normal.addData3(
normalized(2 * (x1_interp + x_outer) - 1,
2 * (y1_interp + y_outer) - 1,
2 * (z2_interp + (z2_diff * interp)) - 1))
texcoord.addData2f(((i / num_parts) * 2 * math.pi * radius) / 13, 0)
tris = GeomTriangles(Geom.UHDynamic)
for i in range(num_draw * 2):
tris.addVertices(0 + i, 1 + i, 2 + i)
circle = Geom(vdata)
circle.addPrimitive(tris)
return circle, cur_x1, cur_y1, cur_z1, cur_x2, cur_y2, cur_z2
def makeSquare(x1, y1, z1, x2, y2, z2, color): # This is straight copied off the Panda3d 'procedural cube' example https://github.com/panda3d/panda3d/blob/master/samples/procedural-cube/main.py#L11
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color_setter = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
# make sure we draw the sqaure in the right plane
if x1 != x2:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y2, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y2 - 1, 2 * z2 - 1))
else:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y1, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z2 - 1))
# adding different colors to the vertex for visibility
if np.sum(color) > 0:
a = 1 # Alpha transparency
else: a = 0
# Handling channel size 1 or 3
if np.size(color) == 1:
for i in range(4): # Have to run this 4 times cuz each vertex on the square has a color setting
color_setter.addData2f(color,a)
elif np.size(color) == 3:
r, g, b = color[0], color[1], color[2]
for i in range(4):
color_setter.addData4f(r,g,b,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 aren't directly supported by the Geom interface
# you might be interested in the CardMaker class if you are
# interested in rectangle though
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 3)
tris.addVertices(1, 2, 3)
square = Geom(vdata)
square.addPrimitive(tris)
return square
def make_square(sq_color):
# sq_color is a list of tuples, describing each vertex:
# (r, g, b, a) for [bl, br, tr, tl]
x1 = -1
y1 = -1
z1 = -1
x2 = 1
y2 = -1
z2 = 1
v_format = GeomVertexFormat.getV3n3cpt2()
v_data = GeomVertexData('square', v_format, Geom.UHDynamic)
vertex = GeomVertexWriter(v_data, 'vertex')
normal = GeomVertexWriter(v_data, 'normal')
color = GeomVertexWriter(v_data, 'color')
tex_coord = GeomVertexWriter(v_data, 'texcoord')
# make sure we draw the sqaure in the right plane
if x1 != x2:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y2, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y2 - 1, 2 * z2 - 1))
else:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y1, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z2 - 1))
# adding different colors to the vertex for visibility
# color.addData4f(1.0, 0.0, 0.0, 1.0)
# color.addData4f(0.0, 1.0, 0.0, 1.0)
# color.addData4f(0.0, 0.0, 1.0, 1.0)
# color.addData4f(1.0, 0.0, 1.0, 1.0)
color.addData4f(sq_color[0]) # (0, 0) bottom left
color.addData4f(sq_color[1]) # (0.5, 0) bottom right
color.addData4f(sq_color[2]) # (0.5, 0.5) top right
color.addData4f(sq_color[3]) # (0, 0.5) top left
tex_coord.addData2f(0.0, 1.0)
tex_coord.addData2f(0.0, 0.0)
tex_coord.addData2f(1.0, 0.0)
tex_coord.addData2f(1.0, 1.0)
# Quads aren't directly supported by the Geom interface
# you might be interested in the CardMaker class if you are
# interested in rectangle though
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 3)
tris.addVertices(1, 2, 3)
square = Geom(v_data)
square.addPrimitive(tris)
return square
def make_circle(x1,
y1,
z1,
x2,
y2,
z2,
inner_radius,
end_inner_radius,
arc,
new_z1,
new_z2,
tex_len=None,
tex_width=None,
end_radius=None,
rev=False):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('circle', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
texcoord = GeomVertexWriter(vdata, 'texcoord')
ccw = arc < 0
arc = -arc if ccw else arc
num_parts = 50 * (arc / 360)**-1
num_draw = round(num_parts * (arc / 360))
x3 = x1 - x2
y3 = y1 - y2
z3 = z1 - z2
x3, y3, z3 = normalized(x3, y3, z3)
theta_offset = math.atan2(y1 - y2, x1 - x2)
orig_radius = math.sqrt((x2 - x1)**2 + (y2 - y1)**2 + (z2 - z1)**2)
cur_x1 = x1
cur_y1 = y1
cur_z1 = z1
cur_x2 = x2
cur_y2 = y2
cur_z2 = z2
z1_diff = new_z1 - z1
z2_diff = new_z2 - z2
if end_radius is None:
end_radius = orig_radius
inner_radius_diff = end_inner_radius - inner_radius
radius_diff = end_radius - orig_radius
for i in range(num_draw + 1):
theta = (math.pi - 2 * math.pi * (i / num_parts)) % (2 * math.pi)
interp = (i / num_draw)
inner_radius_interp = inner_radius + (inner_radius_diff *
(i / num_parts))
radius = (orig_radius + (radius_diff * interp)) + inner_radius_interp
radius_offset = 0
if rev:
radius_offset = radius_diff * interp
x1_interp = x1 + ((inner_radius + radius_offset) * x3)
y1_interp = y1 + ((inner_radius + radius_offset) * y3)
z1_interp = z1 + ((inner_radius + radius_offset) * z3)
x_outer = (math.cos((-theta if ccw else theta) + theta_offset) *
radius) + x1_interp
y_outer = (math.sin((-theta if ccw else theta) + theta_offset) *
radius) + y1_interp
x_inner = (math.cos((-theta if ccw else theta) + theta_offset) *
inner_radius_interp) + x1_interp
y_inner = (math.sin((-theta if ccw else theta) + theta_offset) *
inner_radius_interp) + y1_interp
D = Vec3(cur_x1, cur_y1, cur_z1)
C = Vec3(cur_x2, cur_y2, cur_z2)
B = Vec3(x_inner, y_inner, z1_interp + (z1_diff * interp))
A = Vec3(x_outer, y_outer, z1_interp + (z2_diff * interp))
normal_vec = (C - A).cross(D - B).normalize()
vertex.addData3(x_inner, y_inner, z1_interp + (z1_diff * interp))
cur_x1, cur_y1, cur_z1 = x_inner, y_inner, z1_interp + (z1_diff *
interp)
normal.addData3(normal_vec)
texcoord.addData2f(
(((i / num_parts) * 2 * math.pi * inner_radius_interp) /
tex_len) if tex_len is not None else 1.0,
(orig_radius / tex_width) if tex_width is not None else 1.0)
vertex.addData3(x_outer, y_outer, z1_interp + (z2_diff * interp))
cur_x2, cur_y2, cur_z2 = x_outer, y_outer, z1_interp + (z2_diff *
interp)
normal.addData3(normal_vec)
texcoord.addData2f((((i / num_parts) * 2 * math.pi * radius) /
tex_len) if tex_len is not None else 1.0, 0)
tris = GeomTriangles(Geom.UHDynamic)
for i in range(num_draw * 2):
tris.addVertices(0 + i, 1 + i, 2 + i)
circle = Geom(vdata)
circle.addPrimitive(tris)
return circle, cur_x1, cur_y1, cur_z1, cur_x2, cur_y2, cur_z2
def Ramp(self):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('square', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
#The corner at Quadrant 2 on face 1 is the starting point of our rectangle
################################
#
# FACE 1
#
################################
vert1 = LVector3(self.pos.getX(), self.pos.getY(), self.pos.getZ())
vert2 = LVector3(vert1.getX() + self.len, vert1.getY(), vert1.getZ())
vert3 = LVector3(vert2.getX(), vert2.getY() + self.wid, vert2.getZ())
vert4 = LVector3(vert1.getX(), vert1.getY() + self.wid, vert1.getZ())
vertex.addData3(vert1)
vertex.addData3(vert2)
vertex.addData3(vert3)
vertex.addData3(vert4)
normal = GeomVertexWriter(vdata, 'normal')
norm = (vert4 - vert1).cross(vert2 - vert1)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color = GeomVertexWriter(vdata, 'color')
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord = GeomVertexWriter(vdata, 'texcoord')
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 3, 1)
tris.addVertices(1, 3, 2)
#####################################
#
# FACE 2
#
#####################################
vert5 = vert1
vert6 = vert2
vert7 = LVector3(vert3.getX(), vert3.getY(), vert3.getZ() + self.dep)
vert8 = LVector3(vert4.getX(), vert4.getY(), vert4.getZ() + self.dep)
vertex.addData3(vert5)
vertex.addData3(vert6)
vertex.addData3(vert7)
vertex.addData3(vert8)
norm = (vert8 - vert5).cross(vert6 - vert5)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(4, 7, 5)
tris.addVertices(5, 7, 6)
########################################
#
# FACE 3
#
########################################
vert9 = vert1
vert10 = vert2
vert11 = vert6
vert12 = vert5
vertex.addData3(vert9)
vertex.addData3(vert10)
vertex.addData3(vert11)
vertex.addData3(vert12)
norm = (vert12 - vert9).cross(vert10 - vert9)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(8, 11, 9)
tris.addVertices(9, 11, 10)
###############################################
#
# FACE 4
#
###############################################
vert13 = vert1
vert14 = vert4
vert15 = vert8
vert16 = vert5
vertex.addData3(vert13)
vertex.addData3(vert14)
vertex.addData3(vert15)
vertex.addData3(vert16)
norm = (vert16 - vert13).cross(vert14 - vert13)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(12, 15, 13)
tris.addVertices(13, 15, 14)
############################################
#
# FACE 5
#
############################################
vert17 = vert2
vert18 = vert3
vert19 = vert7
vert20 = vert6
vertex.addData3(vert17)
vertex.addData3(vert18)
vertex.addData3(vert19)
vertex.addData3(vert20)
norm = (vert20 - vert17).cross(vert18 - vert17)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(16, 19, 17)
tris.addVertices(17, 19, 18)
ramp = Geom(vdata)
ramp.addPrimitive(tris)
self.prim = ramp
self.model = GeomNode(self.name)
self.model.addGeom(self.prim)
def RingFaceGeometry(up, inner_radius, outer_radius, nbOfPoints):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('ring', format, Geom.UHStatic)
vdata.unclean_set_num_rows(nbOfPoints)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
for i in range(nbOfPoints):
angle = 2 * pi / nbOfPoints * i
x = cos(angle)
y = sin(angle)
vertex.addData3f(outer_radius * x, outer_radius * y, 0)
normal.addData3f(0, 0, up)
color.addData4f(1, 1, 1, 1)
texcoord.addData2f(1, 0)
vertex.addData3f(inner_radius * x, inner_radius * y, 0)
normal.addData3f(0, 0, up)
color.addData4f(1, 1, 1, 1)
texcoord.addData2f(0, 0)
triangles = GeomTriangles(Geom.UHStatic)
triangles.reserve_num_vertices(nbOfPoints - 1)
for i in range(nbOfPoints - 1):
if up < 0:
triangles.addVertex(i * 2 + 0)
triangles.addVertex(i * 2 + 1)
triangles.addVertex(i * 2 + 2)
triangles.closePrimitive()
triangles.addVertex(i * 2 + 2)
triangles.addVertex(i * 2 + 1)
triangles.addVertex(i * 2 + 3)
triangles.closePrimitive()
else:
triangles.addVertex(i * 2 + 2)
triangles.addVertex(i * 2 + 1)
triangles.addVertex(i * 2 + 0)
triangles.closePrimitive()
triangles.addVertex(i * 2 + 3)
triangles.addVertex(i * 2 + 1)
triangles.addVertex(i * 2 + 2)
triangles.closePrimitive()
if up < 0:
triangles.addVertex((nbOfPoints - 1) * 2 + 0)
triangles.addVertex((nbOfPoints - 1) * 2 + 1)
triangles.addVertex(0)
triangles.closePrimitive()
triangles.addVertex(0)
triangles.addVertex((nbOfPoints - 1) * 2 + 1)
triangles.addVertex(1)
triangles.closePrimitive()
else:
triangles.addVertex(0)
triangles.addVertex((nbOfPoints - 1) * 2 + 1)
triangles.addVertex((nbOfPoints - 1) * 2 + 0)
triangles.closePrimitive()
triangles.addVertex(1)
triangles.addVertex((nbOfPoints - 1) * 2 + 1)
triangles.addVertex(0)
triangles.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(triangles)
return geom
def Prism(self):
format = GeomVertexFormat.getV3n3cpt2()
vdata = GeomVertexData('cube', format, Geom.UHDynamic)
vertex = GeomVertexWriter(vdata, 'vertex')
####################################
#First, we need to create the first face, and then base
#the other faces on it.
####################################
#
# DIAGRAM OF A RECTANGULAR PRISM
# |--------|
# | Face 6 |<-Depth
# |--------|--------|--------|--------|
# | Face 4 | Face 2 | Face 3 | Face 1 | <-Width
# | | | | |
# |--------|--------|--------|--------|
# | Face 5 | ^Length
# |--------|
####################################
#The corner at Quadrant 2 on face 1 is the starting point of our rectangle
################################
#
# FACE 1
#
################################
vert1 = LVector3(self.pos.getX(), self.pos.getY(), self.pos.getZ())
vert2 = LVector3(vert1.getX() + self.len, vert1.getY(), vert1.getZ())
vert3 = LVector3(vert2.getX(), vert2.getY() + self.wid, vert2.getZ())
vert4 = LVector3(vert1.getX(), vert1.getY() + self.wid, vert1.getZ())
vertex.addData3(vert1)
vertex.addData3(vert2)
vertex.addData3(vert3)
vertex.addData3(vert4)
normal = GeomVertexWriter(vdata, 'normal')
norm = (vert4 - vert1).cross(vert2 - vert1)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color = GeomVertexWriter(vdata, 'color')
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord = GeomVertexWriter(vdata, 'texcoord')
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 3, 1)
tris.addVertices(1, 3, 2)
#####################################
#
# FACE 2
#
#####################################
vert5 = LVector3(vert1.getX(), vert1.getY(), vert1.getZ() - self.dep)
vert6 = LVector3(vert5.getX() + self.len, vert5.getY(), vert5.getZ())
vert7 = LVector3(vert6.getX(), vert6.getY() + self.wid, vert6.getZ())
vert8 = LVector3(vert5.getX(), vert5.getY() + self.wid, vert5.getZ())
vertex.addData3(vert5)
vertex.addData3(vert6)
vertex.addData3(vert7)
vertex.addData3(vert8)
norm = (vert8 - vert5).cross(vert6 - vert5)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(4, 7, 5)
tris.addVertices(5, 7, 6)
########################################
#
# FACE 3
#
########################################
vert9 = vert1
vert10 = vert2
vert11 = vert6
vert12 = vert5
vertex.addData3(vert9)
vertex.addData3(vert10)
vertex.addData3(vert11)
vertex.addData3(vert12)
norm = (vert12 - vert9).cross(vert10 - vert9)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(8, 11, 9)
tris.addVertices(9, 11, 10)
##########################################
#
# FACE 4
#
###########################################
vert13 = vert4
vert14 = vert3
vert15 = vert7
vert16 = vert8
vertex.addData3(vert13)
vertex.addData3(vert14)
vertex.addData3(vert15)
vertex.addData3(vert16)
norm = (vert16 - vert13).cross(vert14 - vert13)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(12, 15, 13)
tris.addVertices(13, 15, 14)
square = Geom(vdata)
square.addPrimitive(tris)
###############################################
#
# FACE 5
#
###############################################
vert17 = vert1
vert18 = vert4
vert19 = vert8
vert20 = vert5
vertex.addData3(vert17)
vertex.addData3(vert18)
vertex.addData3(vert19)
vertex.addData3(vert20)
norm = (vert20 - vert17).cross(vert18 - vert17)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(16, 19, 17)
tris.addVertices(17, 19, 18)
############################################
#
# FACE 6
#
############################################
vert21 = vert2
vert22 = vert3
vert23 = vert7
vert24 = vert6
vertex.addData3(vert21)
vertex.addData3(vert22)
vertex.addData3(vert23)
vertex.addData3(vert24)
norm = (vert21 - vert24).cross(vert21 - vert22)
norm.normalize()
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
normal.addData3(norm)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
color.addData4f(self.color)
texcoord.addData2f(1, 0)
texcoord.addData2f(1, 1)
texcoord.addData2f(0, 1)
texcoord.addData2f(0, 0)
tris.addVertices(20, 23, 21)
tris.addVertices(21, 23, 22)
square = Geom(vdata)
square.addPrimitive(tris)
self.prim = square
self.model = GeomNode(self.name)
self.model.addGeom(self.prim)
def create_box():
# Format
format = GeomVertexFormat.getV3n3cpt2()
# VertexData
vdata = GeomVertexData("name", format, Geom.UHDynamic)
##VertexWriter
vertex = GeomVertexWriter(vdata, "vertex")
normal = GeomVertexWriter(vdata, "normal")
color = GeomVertexWriter(vdata, "color")
texcoord = GeomVertexWriter(vdata, "texcoord")
points = [(-1, -1, -1), (-1, 1, -1), (1, -1, -1), (1, 1, -1), (-1, -1, 1), (-1, 1, 1), (1, -1, 1), (1, 1, 1)]
for p in points:
vertex.addData3f(*p)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
### Create Geom
geom = Geom(vdata)
### Create Primitives
prim = GeomTriangles(Geom.UHStatic)
prim.addVertices(0, 1, 2)
prim.addVertices(2, 1, 3)
prim.addVertices(4, 5, 6)
prim.addVertices(4, 6, 7)
for i in range(8):
for k in range(8):
for t in range(8):
prim.addVertices(i, k, t)
prim.closePrimitive()
geom.addPrimitive(prim)
node = GeomNode("gnode")
node.addGeom(geom)
xc = sum(x for (x, y, z) in points) / float(len(points))
yc = sum(y for (x, y, z) in points) / float(len(points))
zc = sum(z for (x, y, z) in points) / float(len(points))
return GeomResult(node, (xc, yc, zc), GeomGenerator.volume_for_cube(points))
def make_square(sq_color):
# sq_color is a list of tuples, describing each vertex:
# (r, g, b, a) for [bl, br, tr, tl]
x1 = -1
y1 = -1
z1 = -1
x2 = 1
y2 = -1
z2 = 1
v_format = GeomVertexFormat.getV3n3cpt2()
v_data = GeomVertexData('square', v_format, Geom.UHDynamic)
vertex = GeomVertexWriter(v_data, 'vertex')
normal = GeomVertexWriter(v_data, 'normal')
color = GeomVertexWriter(v_data, 'color')
tex_coord = GeomVertexWriter(v_data, 'texcoord')
# make sure we draw the sqaure in the right plane
if x1 != x2:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y1, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y2, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y2 - 1, 2 * z2 - 1))
else:
vertex.addData3(x1, y1, z1)
vertex.addData3(x2, y2, z1)
vertex.addData3(x2, y2, z2)
vertex.addData3(x1, y1, z2)
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z1 - 1))
normal.addData3(normalized(2 * x2 - 1, 2 * y2 - 1, 2 * z2 - 1))
normal.addData3(normalized(2 * x1 - 1, 2 * y1 - 1, 2 * z2 - 1))
# adding different colors to the vertex for visibility
# color.addData4f(1.0, 0.0, 0.0, 1.0)
# color.addData4f(0.0, 1.0, 0.0, 1.0)
# color.addData4f(0.0, 0.0, 1.0, 1.0)
# color.addData4f(1.0, 0.0, 1.0, 1.0)
color.addData4f(sq_color[0]) # (0, 0) bottom left
color.addData4f(sq_color[1]) # (0.5, 0) bottom right
color.addData4f(sq_color[2]) # (0.5, 0.5) top right
color.addData4f(sq_color[3]) # (0, 0.5) top left
tex_coord.addData2f(0.0, 1.0)
tex_coord.addData2f(0.0, 0.0)
tex_coord.addData2f(1.0, 0.0)
tex_coord.addData2f(1.0, 1.0)
# Quads aren't directly supported by the Geom interface
# you might be interested in the CardMaker class if you are
# interested in rectangle though
tris = GeomTriangles(Geom.UHDynamic)
tris.addVertices(0, 1, 3)
tris.addVertices(1, 2, 3)
square = Geom(v_data)
square.addPrimitive(tris)
return square
def get_foot_geom():
# Format
format = GeomVertexFormat.getV3n3cpt2()
# VertexData
vdata = GeomVertexData("name", format, Geom.UHDynamic)
##VertexWriter
vertex = GeomVertexWriter(vdata, "vertex")
normal = GeomVertexWriter(vdata, "normal")
color = GeomVertexWriter(vdata, "color")
texcoord = GeomVertexWriter(vdata, "texcoord")
Ax, Ay = (-10, -10)
Bx, By = (10, -10)
Cx, Cy = (0, 20)
z0, z1 = -1, 1
points = [(Ax, Ay, z0), (Bx, By, z0), (Cx, Cy, z0), (Ax, Ay, z1), (Bx, By, z1), (Cx, Cy, z1)]
for p in points:
vertex.addData3f(*p)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 1, 1, 1)
color.addData4f(1, 0, 1, 1)
color.addData4f(1, 0, 1, 1)
color.addData4f(1, 0, 1, 1)
normal.addData3f(0, 0, -1)
normal.addData3f(0, 0, -1)
normal.addData3f(0, 0, -1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
normal.addData3f(0, 0, 1)
### Create Geom
geom = Geom(vdata)
### Create Primitives
prim = GeomTriangles(Geom.UHStatic)
for i in range(6):
for k in range(6):
for t in range(6):
prim.addVertices(i, k, t)
prim.closePrimitive()
geom.addPrimitive(prim)
node = GeomNode("gnode")
node.addGeom(geom)
xc = sum(x for (x, y, z) in points) / float(len(points))
yc = sum(y for (x, y, z) in points) / float(len(points))
zc = sum(z for (x, y, z) in points) / float(len(points))
Ax, Ay = points[0][0:2]
Bx, By = points[1][0:2]
Cx, Cy = points[2][0:2]
volume = abs(Ax * (By - Cy) + Bx * (Cy - Ay) + Cx * (Ay - By) / 2)
return GeomResult(node, (xc, yc, zc), volume)
y = random.randint(sy, ey)
z = self.world.map3d[x, y]
if 0 < z < self.config.low_mount_level[1]:
res[tree].append((x, y, z))
self[item] = res
return res
# Shit for f*****g trees
formatArray = GeomVertexArrayFormat()
formatArray.addColumn(InternalName.make("drawFlag"), 1, Geom.NTUint8,
Geom.COther)
treeform = GeomVertexFormat(GeomVertexFormat.getV3n3cpt2())
treeform.addArray(formatArray)
treeform = GeomVertexFormat.registerFormat(treeform)
#this draws the body of the tree. This draws a ring of vertices and connects the rings with
#triangles to form the body.
#this keepDrawing paramter tells the function wheter or not we're at an end
#if the vertices before you were an end, dont draw branches to it
def draw_body(nodePath,
vdata,
pos,
vecList,
radius=1,
keepDrawing=True,
numVertices=3):
def createNewSphere(self, radius, height, width, vertexcolour = None, transparency = 1):
'''
Note that the first and the last node of the Thetha_Range should be 0 and 180 Degrees
because this will be just one time added to verticies
'''
#Format
format = GeomVertexFormat.getV3n3cpt2()
#VertexData
vdata = GeomVertexData('name', format, Geom.UHStatic)
##VertexWriter
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
if (vertexcolour == None):
vertexcolour = [0.5, 0.5, 0.5]
counter = 0
### Create the Skeleton of the Sphere
for j in range(width):
for i in range(height):
if (i == 0):
vect = self.sphereToKartesian(radius, 0, 0)
vertex.addData3f(vect[0],vect[1],vect[2])
normal.addData3f(vect[0],vect[1],vect[2])
color.addData4f(vertexcolour[0],vertexcolour[1],vertexcolour[2],transparency)
texcoord.addData2f(1-(float(j)/(width)), (float(i)/(height)))
elif (i == height-1):
vect = self.sphereToKartesian(radius, 0, 180)
vertex.addData3f(vect[0],vect[1],vect[2])
normal.addData3f(vect[0],vect[1],vect[2])
color.addData4f(vertexcolour[0],vertexcolour[1],vertexcolour[2],transparency)
texcoord.addData2f(1-(float(j)/(width)), (float(i)/(height)))
else:
vect = self.sphereToKartesian(radius, (float(j)/(width-2)) * 360, (float(i)/(height)) * 180)
vertex.addData3f(vect[0],vect[1],vect[2])
normal.addData3f(vect[0],vect[1],vect[2])
texcoord.addData2f(1-(float(j)/(width-2)), (float(i)/(height)))
color.addData4f(vertexcolour[0],vertexcolour[1],vertexcolour[2],transparency)
counter += 1
### Create Geom
geom = Geom(vdata)
### Create Top Trifans
prim = self.createTrifans(0,range(1,width+1))
#geom.addPrimitive(prim)
### Create Belttristrips
for i in range(0,height-2):
prim = self.createTristrips(width, width*i)
geom.addPrimitive(prim)
### Create Bottom Trifans
lastpoint = width*height-1
a = [i-1 for i in range(lastpoint,lastpoint-width,-1)]
prim = self.createTrifans(lastpoint,a)
#geom.addPrimitive(prim)
geomnode = GeomNode('gnode')
geomnode.addGeom(geom)
return geomnode