tri2.closePrimitive()
square = Geom(vdata)
square.addPrimitive(tri1)
square.addPrimitive(tri2)
return square
square0 = makeSquare(-1, -1, -1, 1, -1, 1)
square1 = makeSquare(-1, 1, -1, 1, 1, 1)
square2 = makeSquare(-1, 1, 1, 1, -1, 1)
square3 = makeSquare(-1, 1, -1, 1, -1, -1)
square4 = makeSquare(-1, -1, -1, -1, 1, 1)
square5 = makeSquare(1, -1, -1, 1, 1, 1)
snode = GeomNode('square')
snode.addGeom(square0)
snode.addGeom(square1)
snode.addGeom(square2)
snode.addGeom(square3)
snode.addGeom(square4)
snode.addGeom(square5)
cube = render.attachNewNode(snode)
cube.hprInterval(1.5, Point3(360, 360, 360)).loop()
#OpenGl by default only draws "front faces" (polygons whose vertices are specified CCW).
cube.setTwoSided(True)
class MyTapper(DirectObject):
def drawBody(nodePath, vdata, pos, vecList, radius=1, keepDrawing=True,numVertices=8):
circleGeom=Geom(vdata)
vertWriter=GeomVertexWriter(vdata, "vertex")
colorWriter=GeomVertexWriter(vdata, "color")
normalWriter=GeomVertexWriter(vdata, "normal")
drawReWriter=GeomVertexRewriter(vdata, "drawFlag")
texReWriter=GeomVertexRewriter(vdata, "texcoord")
startRow=vdata.getNumRows()
vertWriter.setRow(startRow)
colorWriter.setRow(startRow)
normalWriter.setRow(startRow)
sCoord=0
if (startRow!=0):
texReWriter.setRow(startRow-numVertices)
sCoord=texReWriter.getData2f().getX()+1
drawReWriter.setRow(startRow-numVertices)
if(drawReWriter.getData1f()==False):
sCoord-=1
drawReWriter.setRow(startRow)
texReWriter.setRow(startRow)
angleSlice=2*math.pi/numVertices
currAngle=0
#axisAdj=Mat4.rotateMat(45, axis)*Mat4.scaleMat(radius)*Mat4.translateMat(pos)
perp1=vecList[1]
perp2=vecList[2]
#vertex information is written here
for i in range(numVertices):
adjCircle=pos+(perp1*math.cos(currAngle)+perp2*math.sin(currAngle))*radius
normal=perp1*math.cos(currAngle)+perp2*math.sin(currAngle)
normalWriter.addData3f(normal)
vertWriter.addData3f(adjCircle)
texReWriter.addData2f(sCoord,(i+0.001)/(numVertices-1))
colorWriter.addData4f(0.5,0.5,0.5,1)
drawReWriter.addData1f(keepDrawing)
currAngle+=angleSlice
drawReader=GeomVertexReader(vdata, "drawFlag")
drawReader.setRow(startRow-numVertices)
#we cant draw quads directly so we use Tristrips
if (startRow!=0) & (drawReader.getData1f()!=False):
lines=GeomTristrips(Geom.UHStatic)
half=int(numVertices*0.5)
for i in range(numVertices):
lines.addVertex(i+startRow)
if i< half:
lines.addVertex(i+startRow-half)
else:
lines.addVertex(i+startRow-half-numVertices)
lines.addVertex(startRow)
lines.addVertex(startRow-half)
lines.closePrimitive()
lines.decompose()
circleGeom.addPrimitive(lines)
circleGeomNode=GeomNode("Debug")
circleGeomNode.addGeom(circleGeom)
#I accidentally made the front-face face inwards. Make reverse makes the tree render properly and
#should cause any surprises to any poor programmer that tries to use this code
circleGeomNode.setAttrib(CullFaceAttrib.makeReverse(),1)
global numPrimitives
numPrimitives+=numVertices*2
nodePath.attachNewNode(circleGeomNode)
tri2.closePrimitive()
square=Geom(vdata)
square.addPrimitive(tri1)
square.addPrimitive(tri2)
return square
square0=makeSquare(-1,-1,-1, 1,-1, 1)
square1=makeSquare(-1, 1,-1, 1, 1, 1)
square2=makeSquare(-1, 1, 1, 1,-1, 1)
square3=makeSquare(-1, 1,-1, 1,-1,-1)
square4=makeSquare(-1,-1,-1,-1, 1, 1)
square5=makeSquare( 1,-1,-1, 1, 1, 1)
snode=GeomNode('square')
snode.addGeom(square0)
snode.addGeom(square1)
snode.addGeom(square2)
snode.addGeom(square3)
snode.addGeom(square4)
snode.addGeom(square5)
cube=render.attachNewNode(snode)
cube.hprInterval(1.5,Point3(360,360,360)).loop()
#OpenGl by default only draws "front faces" (polygons whose vertices are specified CCW).
cube.setTwoSided(True)
class MyTapper(DirectObject):
def __init__(self):
