def init_node_path(self):
if self.node_path:
self.node_path.remove()
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomLines(Geom.UHStatic)
vertex.addData3f(*coords_to_panda(0, 0, 0))
vertex.addData3f(*coords_to_panda(1000, 0, 0))
vertex.addData3f(*coords_to_panda(0, 0, 0))
vertex.addData3f(*coords_to_panda(0, -1000, 0))
vertex.addData3f(*coords_to_panda(0, 0, 0))
vertex.addData3f(*coords_to_panda(0, 0, 1000))
color.addData4f(1.0, 0.0, 0.0, 1.0)
color.addData4f(1.0, 0.0, 0.0, 1.0)
color.addData4f(0.0, 1.0, 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(0.0, 0.0, 1.0, 1.0)
primitive.addNextVertices(6)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path = self.parent.node_path_ui.attachNewNode(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 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_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_node_path(self):
if self.node_path:
self.node_path.remove()
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomTristrips(Geom.UHStatic)
film_size = base.cam.node().getLens().getFilmSize()
x = film_size.getX() / 2.0
z = x * 0.75
vertex.addData3f(-x, 10000, z)
vertex.addData3f(x, 10000, z)
vertex.addData3f(-x, 10000, -z)
vertex.addData3f(x, 10000, -z)
color.addData4f(*[x / 255.0 for x in self.color1] + [1.0])
color.addData4f(*[x / 255.0 for x in self.color1] + [1.0])
color.addData4f(*[x / 255.0 for x in self.color2] + [1.0])
color.addData4f(*[x / 255.0 for x in self.color2] + [1.0])
primitive.addNextVertices(4)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path = base.camera.attachNewNode(node)
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_node_path_line(self, light_number):
if self.node_path_line:
self.node_path_line.remove()
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomLines(Geom.UHStatic)
vertex.addData3f(*coords_to_panda(0, 0, 0))
vertex.addData3f(*coords_to_panda(*self.direction.coords))
if light_number == 0:
line_color = (0.0, 1.0, 1.0, 1.0)
elif light_number == 1:
line_color = (1.0, 0.0, 1.0, 1.0)
elif light_number == 2:
line_color = (1.0, 1.0, 0.0, 1.0)
color.addData4f(*line_color)
color.addData4f(*line_color)
primitive.addNextVertices(2)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path_line = self.parent.node_path_ui.attachNewNode(node)
self.node_path_line.setScale(1000)
self.node_path_line.setPos(100, 100, 0)
self.show_line(self.parent.parent.lights_edit_window.IsShown())
def init_node_path(self):
if self.node_path:
self.node_path.remove()
polygon = self.source
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
color = GeomVertexWriter(vdata, 'color')
texcoord = GeomVertexWriter(vdata, 'texcoord')
primitive = GeomTristrips(Geom.UHStatic)
vertex.addData3f(*coords_to_panda(*polygon.A.point.coords))
vertex.addData3f(*coords_to_panda(*polygon.B.point.coords))
vertex.addData3f(*coords_to_panda(*polygon.C.point.coords))
if hasattr(polygon, 'D'):
vertex.addData3f(*coords_to_panda(*polygon.D.point.coords))
else:
vertex.addData3f(*coords_to_panda(*polygon.C.point.coords))
if polygon.A.normal:
normal.addData3f(*coords_to_panda(*polygon.A.normal.coords))
normal.addData3f(*coords_to_panda(*polygon.B.normal.coords))
normal.addData3f(*coords_to_panda(*polygon.C.normal.coords))
if hasattr(polygon, 'D'):
normal.addData3f(*coords_to_panda(*polygon.D.normal.coords))
if polygon.A.normal:
gray = 1.0
else:
gray = 0.0
self.old_color = (gray, gray, gray, 1.0)
color.addData4f(gray, gray, gray, 1.0)
color.addData4f(gray, gray, gray, 1.0)
color.addData4f(gray, gray, gray, 1.0)
if hasattr(polygon, 'D'):
color.addData4f(gray, gray, gray, 1.0)
if polygon.A.texcoord:
pal = ((polygon.texture_palette + 1) * 256)
texcoord_A = uv_to_panda2(polygon, pal, *polygon.A.texcoord.coords)
texcoord_B = uv_to_panda2(polygon, pal, *polygon.B.texcoord.coords)
texcoord_C = uv_to_panda2(polygon, pal, *polygon.C.texcoord.coords)
texcoord.addData2f(*texcoord_A)
texcoord.addData2f(*texcoord_B)
texcoord.addData2f(*texcoord_C)
if hasattr(polygon, 'D'):
texcoord_D = uv_to_panda2(polygon, pal, *polygon.D.texcoord.coords)
texcoord.addData2f(*texcoord_D)
primitive.addNextVertices(4)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path = self.parent.node_path_mesh.attachNewNode(node)
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_node_path(self):
if self.node_path:
self.node_path.remove()
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomTristrips(Geom.UHStatic)
y = self.height * 12 + self.depth * 12 + 1
try:
(slope, rotation) = slope_types[self.slope_type]
except KeyError:
print 'Unknown slope type:', self.slope_type
(slope, rotation) = (flat, 0)
if self.slope_height == 0:
(slope, rotation) = (flat, 0)
scale_y = self.slope_height * 12
vertex.addData3f(*coords_to_panda(-14.0, -slope['sw'] * scale_y, -14.0))
vertex.addData3f(*coords_to_panda(-14.0, -slope['nw'] * scale_y, 14.0))
vertex.addData3f(*coords_to_panda(14.0, -slope['ne'] * scale_y, 14.0))
vertex.addData3f(*coords_to_panda(14.0, -slope['se'] * scale_y, -14.0))
vertex.addData3f(*coords_to_panda(-14.0, -slope['sw'] * scale_y, -14.0))
tile_color = (0.5, 0.5, 1.0)
if self.cant_walk:
tile_color = (1.0, 0.5, 0.5)
if self.cant_cursor:
tile_color = (0.5, 0.0, 0.0)
if (self.x + self.z) % 2 == 0:
tile_color = tuple([x * 0.8 for x in tile_color])
self.tile_color = tile_color
color.addData4f(*tile_color + (1.0,))
color.addData4f(*tile_color + (1.0,))
color.addData4f(*tile_color + (1.0,))
color.addData4f(*tile_color + (1.0,))
color.addData4f(*tile_color + (1.0,))
primitive.addNextVertices(5)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path = self.parent.node_path.attachNewNode(node)
self.node_path.setH(rotation)
can_stand_height = 0
if not self.cant_cursor:
can_stand_height = 1
self.node_path.setPos(*coords_to_panda(self.x * 28 + 14, -((self.height + self.depth) * 12 + 1 + can_stand_height), self.z * 28 + 14))
self.node_path.setTag('terrain_xyz', '%u,%u,%u' % (self.x, self.y, self.z))
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, scale = 0.125, length = Vec3(4, 4, 7), position = Vec3(0, 0, 0),
iterations = 10, num_branches = 4, vector_list = [Vec3(0, 0, 1),
Vec3(1, 0, 0),
Vec3(0, -1, 0)]):
self.set_model(NodePath("SimpleTree"))
self.format = SimpleTree.get_format()
self.vdata = GeomVertexData("body vertices", self.format, Geom.UHStatic)
self.position = position
self.length = length
self.vector_list = vector_list
self.iterations = iterations
self.num_branches = num_branches
self.scale = scale
self.bark_texture = base.loader.loadTexture(APP_PATH +
'media/textures/trees/bark.jpg')
def init_node_path(self):
if self.node_path:
self.node_path.remove()
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomTristrips(Geom.UHStatic)
vertex.addData3f(-2.0, -2.0, -2.0)
vertex.addData3f(2.0, -2.0, -2.0)
vertex.addData3f(0, 2.0, -2.0)
vertex.addData3f(0, 0, 2.0)
vertex.addData3f(-2.0, -2.0, -2.0)
vertex.addData3f(0, 0, 2.0)
vertex.addData3f(2.0, -2.0, -2.0)
vertex.addData3f(0, 0, 2.0)
vertex.addData3f(0, 2.0, -2.0)
color_tuple = (1.0, 1.0, 1.0)
if self.point == 'A':
color_tuple = (1.0, 0.0, 0.0)
elif self.point == 'B':
color_tuple = (0.0, 1.0, 0.0)
elif self.point == 'C':
color_tuple = (0.0, 0.0, 1.0)
elif self.point == 'D':
color_tuple = (1.0, 1.0, 0.0)
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
color.addData4f(*color_tuple + (1.0,))
primitive.addNextVertices(9)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path = self.parent.parent.node_path_ui.attachNewNode(node)
self.node_path.setP(180)
self.node_path.setPos(*coords_to_panda(*self.coords))
def init_node_path(self):
if self.node_path:
self.node_path.remove()
vdata = GeomVertexData('name_me', self.format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
primitive = GeomLines(Geom.UHStatic)
vertex.addData3f(*coords_to_panda(*self.vector))
vertex.addData3f(*coords_to_panda(*[-x for x in self.vector]))
color.addData4f((1.0, 0.0, 0.0, 1.0,))
color.addData4f((0.0, 0.0, 1.0, 1.0,))
primitive.addNextVertices(2)
primitive.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(primitive)
node = GeomNode('gnode')
node.addGeom(geom)
self.node_path = self.parent.parent.node_path_ui.attachNewNode(node)
self.node_path.setScale(20)
self.node_path.setPos(*coords_to_panda(*self.coords))
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 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 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 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 __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 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
class SimpleTree(Entity):
geom_vertex_format = None
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
get_format = staticmethod(get_format)
def __init__(self, scale = 0.125, length = Vec3(4, 4, 7), position = Vec3(0, 0, 0),
iterations = 10, num_branches = 4, vector_list = [Vec3(0, 0, 1),
Vec3(1, 0, 0),
Vec3(0, -1, 0)]):
self.set_model(NodePath("SimpleTree"))
self.format = SimpleTree.get_format()
self.vdata = GeomVertexData("body vertices", self.format, Geom.UHStatic)
self.position = position
self.length = length
self.vector_list = vector_list
self.iterations = iterations
self.num_branches = num_branches
self.scale = scale
self.bark_texture = base.loader.loadTexture(APP_PATH +
'media/textures/trees/bark.jpg')
def generate(self):
self.recurse(self.length, self.position, self.iterations, self.vector_list)
self.get_model().setTexture(self.bark_texture, 1)
self.reparentTo(base.render)
def recurse(self, length, position, iterations, vector_list):
if iterations > 0:
self.draw_body(position, vector_list, length.getX())
# move forward along the right axis
new_position = position + vector_list[0] * length.length()
# Only branch every third level
if iterations % 3 == 0:
# decrease dimensions when we branch
length = Vec3(length.getX() / 2, length.getY() / 2,
length.getZ() / 1.1)
for i in range(self.num_branches):
self.recurse(length, new_position, iterations - 1,
ProceduralUtility.random_axis(vector_list))
else:
# just make another branch connected to this one with a small
# variation in direction
self.recurse(length, new_position, iterations - 1,
ProceduralUtility.small_random_axis(vector_list))
else:
self.draw_body(position, vector_list, length.getX(), False)
self.draw_leaf(position, vector_list, self.scale)
def draw_body(self, position, vector_list, radius = 1, keep_drawing = True, num_vertices = 8):
circle_geom = Geom(self.vdata)
vertex_writer = GeomVertexWriter(self.vdata, "vertex")
color_writer = GeomVertexWriter(self.vdata, "color")
normal_writer = GeomVertexWriter(self.vdata, "normal")
draw_rewriter = GeomVertexRewriter(self.vdata, "drawFlag")
tex_rewriter = GeomVertexRewriter(self.vdata, "texcoord")
start_row = self.vdata.getNumRows()
vertex_writer.setRow(start_row)
color_writer.setRow(start_row)
normal_writer.setRow(start_row)
sCoord = 0
if start_row != 0:
tex_rewriter.setRow(start_row - num_vertices)
sCoord = tex_rewriter.getData2f().getX() + 1
draw_rewriter.setRow(start_row - num_vertices)
if draw_rewriter.getData1f() == False:
sCoord -= 1
draw_rewriter.setRow(start_row)
tex_rewriter.setRow(start_row)
angle_slice = 2 * math.pi / num_vertices
current_angle = 0
perp1 = vector_list[1]
perp2 = vector_list[2]
# write vertex information
for i in range(num_vertices):
adjacent_circle = position + (perp1 * math.cos(current_angle) + perp2 * math.sin(current_angle)) * radius
normal = perp1 * math.cos(current_angle) + perp2 * math.sin(current_angle)
normal_writer.addData3f(normal)
vertex_writer.addData3f(adjacent_circle)
tex_rewriter.addData2f(sCoord, (i + 0.001) / (num_vertices - 1))
color_writer.addData4f(0.5, 0.5, 0.5, 1.0)
draw_rewriter.addData1f(keep_drawing)
current_angle += angle_slice
draw_reader = GeomVertexReader(self.vdata, "drawFlag")
draw_reader.setRow(start_row - num_vertices)
# we can't draw quads directly so use Tristrips
if start_row != 0 and draw_reader.getData1f() != False:
lines = GeomTristrips(Geom.UHStatic)
half = int(num_vertices * 0.5)
for i in range(num_vertices):
lines.addVertex(i + start_row)
if i < half:
lines.addVertex(i + start_row - half)
else:
lines.addVertex(i + start_row - half - num_vertices)
lines.addVertex(start_row)
lines.addVertex(start_row - half)
lines.closePrimitive()
lines.decompose()
circle_geom.addPrimitive(lines)
circle_geom_node = GeomNode("Debug")
circle_geom_node.addGeom(circle_geom)
circle_geom_node.setAttrib(CullFaceAttrib.makeReverse(), 1)
self.get_model().attachNewNode(circle_geom_node)
def draw_leaf(self, position, vector_list, scale = 0.125):
# use the vectors that describe the direction the branch grows
# to make the right rotation matrix
new_cs = Mat4(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
new_cs.setRow(0, vector_list[2]) # right
new_cs.setRow(1, vector_list[1]) # up
new_cs.setRow(2, vector_list[0]) # forward
new_cs.setRow(3, Vec3(0, 0, 0))
new_cs.setCol(3, Vec4(0, 0, 0, 1))
axis_adjustment = Mat4.scaleMat(scale) * new_cs * Mat4.translateMat(position)
leaf_model = base.loader.loadModelCopy(APP_PATH + 'media/models/shrubbery')
leaf_texture = base.loader.loadTexture(APP_PATH + 'media/models/material-10-cl.png')
leaf_model.reparentTo(self.get_model())
leaf_model.setTexture(leaf_texture, 1)
leaf_model.setTransform(TransformState.makeMat(axis_adjustment))
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 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