| import numpy |
| from PIL import Image |
| from .core import Vec4d |
|
|
|
|
| class Model: |
| def __init__(self, filename, texture_filename): |
| """ |
| https://en.wikipedia.org/wiki/Wavefront_.obj_file#Vertex_normal_indices |
| """ |
| self.vertices = [] |
| self.uv_vertices = [] |
| self.uv_indices = [] |
| self.indices = [] |
|
|
| texture = Image.open(texture_filename) |
| self.texture_array = numpy.array(texture) |
| self.texture_width, self.texture_height = texture.size |
|
|
| with open(filename) as f: |
| for line in f: |
| if line.startswith("v "): |
| x, y, z = [float(d) for d in line.strip("v").strip().split(" ")] |
| self.vertices.append(Vec4d(x, y, z, 1)) |
| elif line.startswith("vt "): |
| u, v = [float(d) for d in line.strip("vt").strip().split(" ")] |
| self.uv_vertices.append([u, v]) |
| elif line.startswith("f "): |
| facet = [d.split("/") for d in line.strip("f").strip().split(" ")] |
| self.indices.append([int(d[0]) for d in facet]) |
| self.uv_indices.append([int(d[1]) for d in facet]) |
|
|