本文整理汇总了Python中panda3d.core.GeomTriangles.add_consecutive_vertices方法的典型用法代码示例。如果您正苦于以下问题：Python GeomTriangles.add_consecutive_vertices方法的具体用法？Python GeomTriangles.add_consecutive_vertices怎么用？Python GeomTriangles.add_consecutive_vertices使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类panda3d.core.GeomTriangles的用法示例。
在下文中一共展示了GeomTriangles.add_consecutive_vertices方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: GeomBuilder
# 需要导入模块: from panda3d.core import GeomTriangles [as 别名]
# 或者: from panda3d.core.GeomTriangles import add_consecutive_vertices [as 别名]
class GeomBuilder(object):
def __init__(self, name='tris'):
self.name = name
self.vdata = GeomVertexData(name, GeomVertexFormat.get_v3n3cpt2(), Geom.UHDynamic)
self.writer = VertexDataWriter(self.vdata)
self.tris = GeomTriangles(Geom.UHDynamic)
def _commit_polygon(self, poly, color):
"""
Transmutes colors and vertices for tris and quads into visible geometry.
"""
point_id = self.writer.count
for p in poly.points:
self.writer.add_vertex(p, poly.get_normal(), color, (0.0, 1.0))
if len(poly.points) == 3:
self.tris.add_consecutive_vertices(point_id, 3)
self.tris.close_primitive()
elif len(poly.points) == 4:
self.tris.add_vertex(point_id)
self.tris.add_vertex(point_id + 1)
self.tris.add_vertex(point_id + 3)
self.tris.close_primitive()
self.tris.add_consecutive_vertices(point_id + 1, 3)
self.tris.close_primitive()
else:
raise InvalidPrimitive
def add_tri(self, color, points):
self._commit_polygon(Polygon(points), color)
self._commit_polygon(Polygon(points[::-1]), color)
return self
def add_rect(self, color, x1, y1, z1, x2, y2, z2):
p1 = Point3(x1, y1, z1)
p3 = Point3(x2, y2, z2)
# Make sure we draw the rect in the right plane.
if x1 != x2:
p2 = Point3(x2, y1, z1)
p4 = Point3(x1, y2, z2)
else:
p2 = Point3(x2, y2, z1)
p4 = Point3(x1, y1, z2)
self._commit_polygon(Polygon([p1, p2, p3, p4]), color)
return self
def add_block(self, color, center, size, rot=None):
x_shift = size[0] / 2.0
y_shift = size[1] / 2.0
z_shift = size[2] / 2.0
rot = LRotationf(0, 0, 0) if rot is None else rot
vertices = (
Point3(-x_shift, +y_shift, +z_shift),
Point3(-x_shift, -y_shift, +z_shift),
Point3(+x_shift, -y_shift, +z_shift),
Point3(+x_shift, +y_shift, +z_shift),
Point3(+x_shift, +y_shift, -z_shift),
Point3(+x_shift, -y_shift, -z_shift),
Point3(-x_shift, -y_shift, -z_shift),
Point3(-x_shift, +y_shift, -z_shift),
)
vertices = [rot.xform(v) + LVector3f(*center) for v in vertices]
faces = (
# XY
[vertices[0], vertices[1], vertices[2], vertices[3]],
[vertices[4], vertices[5], vertices[6], vertices[7]],
# XZ
[vertices[0], vertices[3], vertices[4], vertices[7]],
[vertices[6], vertices[5], vertices[2], vertices[1]],
# YZ
[vertices[5], vertices[4], vertices[3], vertices[2]],
[vertices[7], vertices[6], vertices[1], vertices[0]],
)
if size[0] and size[1]:
self._commit_polygon(Polygon(faces[0]), color)
self._commit_polygon(Polygon(faces[1]), color)
if size[0] and size[2]:
self._commit_polygon(Polygon(faces[2]), color)
self._commit_polygon(Polygon(faces[3]), color)
if size[1] and size[2]:
self._commit_polygon(Polygon(faces[4]), color)
self._commit_polygon(Polygon(faces[5]), color)
return self
def add_ramp(self, color, base, top, width, thickness, rot=None):
midpoint = Point3((top + base) / 2.0)
rot = LRotationf(0, 0, 0) if rot is None else rot
# Temporarily move `base` and `top` to positions relative to a midpoint
# at (0, 0, 0).
if midpoint != Point3(0, 0, 0):
base = Point3(base - (midpoint - Point3(0, 0, 0)))
top = Point3(top - (midpoint - Point3(0, 0, 0)))
#.........这里部分代码省略.........