def _create_tri_polygon(solid, i0, i1, i2):
# CSG.js (WebGL) では時計回りが表
p0 = solid.vertices[i0]
p1 = solid.vertices[i1]
p2 = solid.vertices[i2]
vertices = []
vertices.append(CSG.Vector(p0))
vertices.append(CSG.Vector(p1))
vertices.append(CSG.Vector(p2))
return CSG.Polygon(vertices, False)
def _create_polygons(solid, face, color, polygons):
vertices = []
for i in face.indices[:-1]:
v = solid.vertices[i]
vertices.append(CSG.Vector(v))
polygon = CSG.Polygon(vertices, False)
polygon.shared = color
polygons.append(polygon)