def create_side(x_z_top_left, x_z_bottom_right, static=True):
x1, z1 = x_z_top_left
x2, z2 = x_z_bottom_right
format = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1) # top left
vertex.addData3f(x2, 0, z1) # top right
vertex.addData3f(x2, 0, z2) # bottom right
vertex.addData3f(x1, 0, z2) # bottom left
for _i in range(4):
normal.addData3f(0, - 1, 0)
if static:
prim_hint = Geom.UHStatic
else:
prim_hint = Geom.UHDynamic
prim = GeomTristrips(prim_hint)
prim.addVertices(1, 0, 2, 3)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return (node, vdata)
def create_side(x_z_top_left, x_z_bottom_right, static=True):
x1, z1 = x_z_top_left
x2, z2 = x_z_bottom_right
format = GeomVertexFormat.getV3n3c4t2()
vdata = GeomVertexData('', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
normal = GeomVertexWriter(vdata, 'normal')
vertex.addData3f(x1, 0, z1) # top left
vertex.addData3f(x2, 0, z1) # top right
vertex.addData3f(x2, 0, z2) # bottom right
vertex.addData3f(x1, 0, z2) # bottom left
for _i in range(4):
normal.addData3f(0, - 1, 0)
if static:
prim_hint = Geom.UHStatic
else:
prim_hint = Geom.UHDynamic
prim = GeomTristrips(prim_hint)
prim.addVertices(1, 0, 2, 3)
prim.closePrimitive()
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('')
node.addGeom(geom)
return (node, vdata)