def circle (self, radius, axis, offset):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
for i in range (0, self.subdiv):
angle = i / float(self.subdiv) * 2.0 * math.pi
ca = math.cos (angle)
sa = math.sin (angle)
if axis == "x":
vertices.addData3f (0, radius * ca, radius * sa + offset)
if axis == "y":
vertices.addData3f (radius * ca, 0, radius * sa + offset)
if axis == "z":
vertices.addData3f (radius * ca, radius * sa, offset)
for i in range (1, self.subdiv):
lines.addVertices(i - 1, i)
lines.addVertices (self.subdiv - 1, 0)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
self.gnode.addGeom (geom)
def 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 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 createPitchLineOld(self,points=[0.5,0.25,-0.25,-0.5],
tick=0.00,colour=None):
""" create a line to hint at the pitch of the aircraft on the hud """
if colour is None:
colour = self.colour
l = LineNodePath(aspect2d,'pitchline',4,Vec4(colour[0],colour[1],
colour[2],colour[3]))
plist = []
for p in points:
plist.append((p,0.0,0.0))
plist.insert(0,(points[0],0.0,tick))
plist.append((points[3],0.0,tick))
linelist = []
linelist = [[plist[p],plist[p+1]] for p in range(len(plist)-1)]
linelist.pop(2)
l.drawLines(linelist)
l.create()
# These lines are drawn from scratch rather than using a graphic file
format = GeomVertexFormat.getV3()
vdata = GeomVertexData("vertices",format,Geom.UHStatic)
# create vertices to add to use in creating lines
vertexWriter=GeomVertexWriter(vdata,"vertex")
# here we define enough positions to create two separated lines
for p in points:
vertexWriter.addData3f(p,0.0,0.0)
# and another two positions for the 'ticks' at the line ends
vertexWriter.addData3f(points[0],0.0,tick)
vertexWriter.addData3f(points[3],0.0,tick)
# create the primitives
line = GeomLines(Geom.UHStatic)
line.addVertices(4,0) # the tick part
line.addVertices(0,1) # part of the horizontal line
line.closePrimitive()
line2 = GeomLines(Geom.UHStatic)
line2.addVertices(2,3) # other part of the horizontal line
line2.addVertices(3,5) # second tick
line2.closePrimitive()
# add the lines to a geom object
lineGeom = Geom(vdata)
lineGeom.addPrimitive(line)
lineGeom.addPrimitive(line2)
# create the node..
lineGN=GeomNode("splitline")
lineGN.addGeom(lineGeom)
# and parent the node to aspect2d
lineNP = aspect2d.attachNewNode(lineGN)
return lineNP
def createCentreMarkOld(self,colour=None):
""" create a line to hint at the pitch of the aircraft on the hud """
if colour is None:
colour = self.colour
# These lines are drawn from scratch rather than using a graphic file
format = GeomVertexFormat.getV3()
vdata = GeomVertexData("vertices",format,Geom.UHStatic)
# create vertices to add to use in creating lines
vertexWriter=GeomVertexWriter(vdata,"vertex")
# essentially I am trying to create a line that gives an idea of
# where the forward vector of the plane is pointing which
# helps indicate the pitch
# the bends in the line could be used to indicate a few angles but
# I am not sure how useful this really is.
vertexWriter.addData3f(0.15,0.0,0.0)
vertexWriter.addData3f(0.10,0.0,0.0)
vertexWriter.addData3f(0.05,0.0,-0.025)
vertexWriter.addData3f(0.00,0.0,0.025)
vertexWriter.addData3f(-0.05,0.0,-0.025)
vertexWriter.addData3f(-0.10,0.0,0.0)
vertexWriter.addData3f(-0.15,0.0,0.0)
# create the primitives
line = GeomLines(Geom.UHStatic)
line.addVertices(0,1)
line.addVertices(1,2)
line.addVertices(2,3)
line.addVertices(3,4)
line.addVertices(4,5)
line.addVertices(5,6)
line.closePrimitive()
# add the lines to a geom object
lineGeom = Geom(vdata)
lineGeom.addPrimitive(line)
# create the node..
lineGN=GeomNode("centremark")
lineGN.addGeom(lineGeom)
# and parent the node to aspect2d
lineNP = aspect2d.attachNewNode(lineGN)
return lineNP
def generate(self):
format = GeomVertexFormat.getV3()
data = GeomVertexData("Data", format, Geom.UHStatic)
vertices = GeomVertexWriter(data, "vertex")
size = self.size
vertices.addData3f(-size, -size, -size)
vertices.addData3f(+size, -size, -size)
vertices.addData3f(-size, +size, -size)
vertices.addData3f(+size, +size, -size)
vertices.addData3f(-size, -size, +size)
vertices.addData3f(+size, -size, +size)
vertices.addData3f(-size, +size, +size)
vertices.addData3f(+size, +size, +size)
triangles = GeomTriangles(Geom.UHStatic)
def addQuad(v0, v1, v2, v3):
triangles.addVertices(v0, v1, v2)
triangles.addVertices(v0, v2, v3)
triangles.closePrimitive()
addQuad(4, 5, 7, 6) # Z+
addQuad(0, 2, 3, 1) # Z-
addQuad(3, 7, 5, 1) # X+
addQuad(4, 6, 2, 0) # X-
addQuad(2, 6, 7, 3) # Y+
addQuad(0, 1, 5, 4) # Y+
geom = Geom(data)
geom.addPrimitive(triangles)
node = GeomNode("CubeMaker")
node.addGeom(geom)
path = NodePath(node)
path.setColor(1.0, 0.0, 1.0)
return NodePath(node)
def 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 rect (self, width, height, axis):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
# draw a box
if axis == "x":
vertices.addData3f (0, -width, -height)
vertices.addData3f (0, width, -height)
vertices.addData3f (0, width, height)
vertices.addData3f (0, -width, height)
if axis == "y":
vertices.addData3f (-width, 0, -height)
vertices.addData3f (width, 0, -height)
vertices.addData3f (width, 0, height)
vertices.addData3f (-width, 0, height)
if axis == "z":
vertices.addData3f (-width, -height, 0)
vertices.addData3f (width, -height, 0)
vertices.addData3f (width, height, 0)
vertices.addData3f (-width, height, 0)
for i in range (1, 3):
lines.addVertices(i - 1, i)
lines.addVertices (3, 0)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
self.gnode.addGeom (geom)
def drawLine(self, start, end):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData('', format, Geom.UHStatic)
vertices = GeomVertexWriter(vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips(Geom.UHStatic)
vertices.addData3f(start[0], start[1], start[2])
vertices.addData3f(end[0], end[1], end[2])
lines.addVertices(0, 1)
lines.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(lines)
# Add our primitive to the geomnode
self.gnode.addGeom(geom)
def line (self, start, end):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
vertices.addData3f (start[0], start[1], start[2])
vertices.addData3f (end[0], end[1], end[2])
lines.addVertices (0, 1)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
self.gnode.addGeom (geom)
