def fan_triangulation(vertices, normals, material):
triangles = []
for index in range(2, len(vertices) - 1):
if len(normals) > 1:
tri = Triangle.smooth_triangle(vertices[1], vertices[index],
vertices[index + 1], normals[1],
normals[index], normals[index + 1])
else:
tri = Triangle(vertices[1], vertices[index], vertices[index + 1])
tri.material = material
triangles.append(tri)
return triangles
def step_create_smooth_triangle_tri(context):
context.tri = Triangle.smooth_triangle(context.p1, context.p2, context.p3,
context.n1, context.n2, context.n3)