def load_mtl(self, path):
f_mtl = open(path, 'r')
for line in f_mtl.readlines():
line = line.strip()
if len(line) <= 0 or line[0] == '#': # commit
continue
name, params = line.split(' ', 1)
params = params.strip().split(' ')
if name == 'newmtl':
m = Material()
self.mtl[params[0]] = m
elif name == 'Ns':
m.Ns = float(params[0])
elif line.find('Ni') == 0:
m.Ni = float(params[0])
elif line.find('d') == 0:
m.d = float(params[0])
elif line.find('Tr') == 0:
m.Tr = float(params[0])
elif line.find('Tf') == 0:
m.Tf[0] = float(params[0])
m.Tf[1] = float(params[1])
m.Tf[2] = float(params[2])
elif line.find('illum') == 0:
m.illum = int(float(params[0]))
elif line.find('Ka') == 0:
m.Ka[0] = float(params[0])
m.Ka[1] = float(params[1])
m.Ka[2] = float(params[2])
elif line.find('Kd') == 0:
m.Kd[0] = float(params[0])
m.Kd[1] = float(params[1])
m.Kd[2] = float(params[2])
elif line.find('Ks') == 0:
m.Ks[0] = float(params[0])
m.Ks[1] = float(params[1])
m.Ks[2] = float(params[2])
elif line.find('Ke') == 0:
m.Ke[0] = float(params[0])
m.Ke[1] = float(params[1])
m.Ke[2] = float(params[2])
elif line.find('map_Ka') == 0:
m.map_Ka_str = params[0]
p = os.path.split(path)[0]
m.map_Ka_id = load_texture(os.path.join(p, m.map_Ka_str))
elif line.find('map_Kd') == 0:
m.map_Kd_str = params[0]
p = os.path.split(path)[0]
m.map_Kd_id = load_texture(os.path.join(p, m.map_Kd_str))
f_mtl.close()
def load_mtl(self, path):
f_mtl = open(path, 'r')
for line in f_mtl.readlines():
line = line.strip()
if len(line) <= 0 or line[0] == '#': # commit
continue
name, params = line.split(' ', 1)
params = params.strip().split(' ')
if name == 'newmtl':
m = Material()
self.mtl[params[0]] = m
elif name == 'Ns':
m.Ns = float(params[0])
elif line.find('Ni') == 0:
m.Ni = float(params[0])
elif line.find('d') == 0:
m.d = float(params[0])
elif line.find('Tr') == 0:
m.Tr = float(params[0])
elif line.find('Tf') == 0:
m.Tf[0] = float(params[0])
m.Tf[1] = float(params[1])
m.Tf[2] = float(params[2])
elif line.find('illum') == 0:
m.illum = int(float(params[0]))
elif line.find('Ka') == 0:
m.Ka[0] = float(params[0])
m.Ka[1] = float(params[1])
m.Ka[2] = float(params[2])
elif line.find('Kd') == 0:
m.Kd[0] = float(params[0])
m.Kd[1] = float(params[1])
m.Kd[2] = float(params[2])
elif line.find('Ks') == 0:
m.Ks[0] = float(params[0])
m.Ks[1] = float(params[1])
m.Ks[2] = float(params[2])
elif line.find('Ke') == 0:
m.Ke[0] = float(params[0])
m.Ke[1] = float(params[1])
m.Ke[2] = float(params[2])
elif line.find('map_Ka') == 0:
m.map_Ka_str = params[0]
p = os.path.split(path)[0]
m.map_Ka_id = load_texture(os.path.join(p, m.map_Ka_str))
elif line.find('map_Kd') == 0:
m.map_Kd_str = params[0]
p = os.path.split(path)[0]
m.map_Kd_id = load_texture(os.path.join(p, m.map_Kd_str))
f_mtl.close()
def loadTextures(in_path, loadFromDirectory, loadFromData):
"""
Loads all textures into a single height x width x depth(s) array.
Inputs:
in_path - path to texture(s)
loadFromDirectory - is the path a directory?
loadFromData - should all textures be treated as data files?
Output:
Returns array of texture data and list of cooresponding
InputTextureFile objects.
"""
if (loadFromDirectory):
files = sorted([
f for f in os.listdir(in_path)
if os.path.isfile(os.path.join(in_path, f))
])
else:
in_path, base = os.path.split(in_path)
files = [base]
textures = []
textureData = None
for f in files:
fpath = os.path.join(in_path, f)
if (loadFromData or os.path.splitext(f)[1] == ".data"):
data = weight_data.read_tex_from_path(fpath)[0]
isFloatTexture, isDataFile = True, True
else:
data = numpy.array(texture.load_texture(fpath))
isFloatTexture = not issubclass(data.dtype.type, numpy.integer)
if (not isFloatTexture):
data = data / 255.0
isDataFile = False
data = numpy.expand_dims(data, -1) if len(data.shape) < 3 else data
textures.append(
InputTextureFile(f, data.shape[2], isFloatTexture, isDataFile))
textureData = data if textureData is None else (numpy.concatenate(
(textureData, data), axis=2))
print()
return textureData, textures
def main():
global delta_time, last_frame
glfw.init()
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
window = glfw.create_window(SRC_WIDTH, SRC_HEIGHT, "learnOpenGL", None,
None)
if not window:
glfw.terminate()
raise ValueError("Failed to create window")
glfw.make_context_current(window)
glfw.set_framebuffer_size_callback(window, framebuffer_size_callback)
glfw.set_cursor_pos_callback(window, mouse_callback)
glfw.set_scroll_callback(window, scroll_callback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
gl.glEnable(gl.GL_DEPTH_TEST)
lamp_shader = Shader(CURDIR / "shaders/1.lamp.vs",
CURDIR / "shaders/6.1.lamp.fs")
lighting_shader = Shader(CURDIR / "shaders/6.multiple_lights.vs",
CURDIR / "shaders/6.multiple_lights.fs")
vertices = [
# positions normals texture coords
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
-0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
-0.5,
-1.0,
0.0,
0.0,
1.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
-1.0,
0.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
1.0,
0.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
0.5,
1.0,
0.0,
0.0,
0.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
0.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0
]
vertices = (c_float * len(vertices))(*vertices)
cube_positions = [(0.0, 0.0, 0.0), (2.0, 5.0, -15.0), (-1.5, -2.2, -2.5),
(-3.8, -2.0, -12.3), (2.4, -0.4, -3.5),
(-1.7, 3.0, -7.5), (1.3, -2.0, -2.5), (1.5, 2.0, -2.5),
(1.5, 0.2, -1.5), (-1.3, 1.0, -1.5)]
point_light_positions = [
(0.7, 0.2, 2.0),
(2.3, -3.3, -4.0),
(-4.0, 2.0, -12.0),
(0.0, 0.0, -3.0),
]
light_settings = {
"desert": {
"clear_color": (.75, .52, .30, 1.0),
"direction_color": (.4, .4, .4),
"spot_color": (.2, .2, .2),
"point_colors": [(1.0, 0.0, 0.0), (1.0, 0.6, 0.0), (1.0, 0.0, 0.0),
(1.0, 0.6, 0.0)]
},
"factory": {
"clear_color": (0.01, 0.01, 0.01, 1.0),
"direction_color": (.4, .4, .4),
"spot_color": (.2, .2, .2),
"point_colors": [(.17, .17, .49), (.17, .17, .49), (.17, .17, .49),
(.17, .17, .49)]
},
"horror": {
"clear_color": (0.0, 0.0, 0.0, 1.0),
"direction_color": (.01, .01, .01),
"spot_color": (.2, .2, .2),
"point_colors": [(.3, .1, .1), (.3, .1, .1), (.3, .1, .1),
(.3, .1, .1)]
},
"biochemical_lab": {
"clear_color": (0.9, 0.9, 0.9, 1.0),
"direction_color": (.4, .4, .4),
"spot_color": (.2, .2, .2),
"point_colors": [(0.4, 0.7, 0.1), (0.4, 0.7, 0.1), (0.4, 0.7, 0.1),
(0.4, 0.7, 0.1)]
},
}
cube_vao = gl.glGenVertexArrays(1)
vbo = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, sizeof(vertices), vertices,
gl.GL_STATIC_DRAW)
gl.glBindVertexArray(cube_vao)
# -- position attribute
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- normal attribute
gl.glVertexAttribPointer(1, 3, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(3 * sizeof(c_float)))
gl.glEnableVertexAttribArray(1)
# -- texture coordinate
gl.glVertexAttribPointer(2, 2, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(6 * sizeof(c_float)))
gl.glEnableVertexAttribArray(2)
# -- second configure light vao (vbo is the same)
light_vao = gl.glGenVertexArrays(1)
gl.glBindVertexArray(light_vao)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- load texture
diffuse_map = load_texture("container2.png")
specular_map = load_texture("container2_specular.png")
# -- shader configuration
lighting_shader.use()
lighting_shader.set_int("material.diffuse", 0)
lighting_shader.set_int("material.specular", 1)
LIGHTS = light_settings.get("horror")
while not glfw.window_should_close(window):
# -- time logic
current_frame = glfw.get_time()
delta_time = current_frame - last_frame
last_frame = current_frame
# -- input
process_input(window)
# -- render
gl.glClearColor(*LIGHTS.get("clear_color"))
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
lighting_shader.use()
lighting_shader.set_vec3("viewPos", camera.position)
lighting_shader.set_float("material.shininess", 32.0)
# -- directional light
lighting_shader.set_vec3("dirLight.direction", [-0.2, -1.0, -0.3])
lighting_shader.set_vec3("dirLight.ambient", [0.05, 0.05, 0.05])
lighting_shader.set_vec3("dirLight.diffuse",
LIGHTS.get("direction_color"))
lighting_shader.set_vec3("dirLight.specular", [0.5, 0.5, 0.5])
# -- point light 1
lighting_shader.set_vec3("pointLights[0].position",
point_light_positions[0])
lighting_shader.set_vec3("pointLights[0].ambient", [0.05, 0.05, 0.05])
lighting_shader.set_vec3("pointLights[0].diffuse",
LIGHTS.get("point_colors")[0])
lighting_shader.set_vec3("pointLights[0].specular", [1.0, 1.0, 1.0])
lighting_shader.set_float("pointLights[0].constant", 1.0)
lighting_shader.set_float("pointLights[0].linear", 0.09)
lighting_shader.set_float("pointLights[0].quadratic", 0.032)
# -- point light 2
lighting_shader.set_vec3("pointLights[1].position",
point_light_positions[1])
lighting_shader.set_vec3("pointLights[1].ambient", [0.05, 0.05, 0.05])
lighting_shader.set_vec3("pointLights[1].diffuse",
LIGHTS.get("point_colors")[1])
lighting_shader.set_vec3("pointLights[1].specular", [1.0, 1.0, 1.0])
lighting_shader.set_float("pointLights[1].constant", 1.0)
lighting_shader.set_float("pointLights[1].linear", 0.09)
lighting_shader.set_float("pointLights[1].quadratic", 0.032)
# -- point light 3
lighting_shader.set_vec3("pointLights[2].position",
point_light_positions[2])
lighting_shader.set_vec3("pointLights[2].ambient", [0.05, 0.05, 0.05])
lighting_shader.set_vec3("pointLights[2].diffuse",
LIGHTS.get("point_colors")[2])
lighting_shader.set_vec3("pointLights[2].specular", [1.0, 1.0, 1.0])
lighting_shader.set_float("pointLights[2].constant", 1.0)
lighting_shader.set_float("pointLights[2].linear", 0.09)
lighting_shader.set_float("pointLights[2].quadratic", 0.032)
# -- point light 4
lighting_shader.set_vec3("pointLights[3].position",
point_light_positions[3])
lighting_shader.set_vec3("pointLights[3].ambient", [0.05, 0.05, 0.05])
lighting_shader.set_vec3("pointLights[3].diffuse",
LIGHTS.get("point_colors")[3])
lighting_shader.set_vec3("pointLights[3].specular", [1.0, 1.0, 1.0])
lighting_shader.set_float("pointLights[3].constant", 1.0)
lighting_shader.set_float("pointLights[3].linear", 0.09)
lighting_shader.set_float("pointLights[3].quadratic", 0.032)
# -- spotLight
lighting_shader.set_vec3("spotLight.position", camera.position)
lighting_shader.set_vec3("spotLight.direction", camera.front)
lighting_shader.set_vec3("spotLight.ambient", [0.0, 0.0, 0.0])
lighting_shader.set_vec3("spotLight.diffuse", LIGHTS.get("spot_color"))
lighting_shader.set_vec3("spotLight.specular", [1.0, 1.0, 1.0])
lighting_shader.set_float("spotLight.constant", 1.0)
lighting_shader.set_float("spotLight.linear", 0.09)
lighting_shader.set_float("spotLight.quadratic", 0.032)
lighting_shader.set_float("spotLight.cutOff",
math.cos(math.radians(12.5)))
lighting_shader.set_float("spotLight.outerCutOff",
math.cos(math.radians(15.0)))
# -- view.projection transformations
projection = Matrix44.perspective_projection(camera.zoom,
SRC_WIDTH / SRC_HEIGHT,
0.1, 100.0)
view = camera.get_view_matrix()
lighting_shader.set_mat4("projection", projection)
lighting_shader.set_mat4("view", view)
# -- world transformation
model = Matrix44.identity()
lighting_shader.set_mat4("model", model)
# -- bind diffuse map
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBindTexture(gl.GL_TEXTURE_2D, diffuse_map)
# -- bind specular map
gl.glActiveTexture(gl.GL_TEXTURE1)
gl.glBindTexture(gl.GL_TEXTURE_2D, specular_map)
# -- render continers
gl.glBindVertexArray(cube_vao)
for idx, position in enumerate(cube_positions):
angle = 20.0 * idx
rotation = matrix44.create_from_axis_rotation([1.0, 0.3, 0.5],
math.radians(angle))
translation = Matrix44.from_translation(position)
model = translation * rotation
lighting_shader.set_mat4('model', model)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
# -- draw lamp object(s)
lamp_shader.use()
lamp_shader.set_mat4("projection", projection)
lamp_shader.set_mat4("view", view)
gl.glBindVertexArray(light_vao)
for idx, pos in enumerate(point_light_positions):
model = Matrix44.identity()
model *= Matrix44.from_translation(pos)
model *= Matrix44.from_scale(Vector3([.2, .2, .2]))
lamp_shader.set_mat4("model", model)
lamp_shader.set_vec3("color", LIGHTS.get("point_colors")[idx])
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
glfw.swap_buffers(window)
glfw.poll_events()
gl.glDeleteVertexArrays(1, id(cube_vao))
gl.glDeleteVertexArrays(1, id(light_vao))
gl.glDeleteBuffers(1, id(vbo))
glfw.terminate()
def main():
global delta_time, last_frame
glfw.init()
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
window = glfw.create_window(SRC_WIDTH, SRC_HEIGHT, "learnOpenGL", None,
None)
if not window:
glfw.terminate()
raise ValueError("Failed to create window")
glfw.make_context_current(window)
glfw.set_framebuffer_size_callback(window, framebuffer_size_callback)
glfw.set_cursor_pos_callback(window, mouse_callback)
glfw.set_scroll_callback(window, scroll_callback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
gl.glEnable(gl.GL_DEPTH_TEST)
lamp_shader = Shader(CURDIR / "shaders/1.lamp.vs",
CURDIR / "shaders/1.lamp.fs")
lighting_shader = Shader(CURDIR / "shaders/5.3.light_casters.vs",
CURDIR / "shaders/5.3.light_casters.fs")
vertices = [
# positions normals texture coords
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
-0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
-0.5,
-1.0,
0.0,
0.0,
1.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
-1.0,
0.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
1.0,
0.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
0.5,
1.0,
0.0,
0.0,
0.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
0.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0
]
vertices = (c_float * len(vertices))(*vertices)
cube_positions = [(0.0, 0.0, 0.0), (2.0, 5.0, -15.0), (-1.5, -2.2, -2.5),
(-3.8, -2.0, -12.3), (2.4, -0.4, -3.5),
(-1.7, 3.0, -7.5), (1.3, -2.0, -2.5), (1.5, 2.0, -2.5),
(1.5, 0.2, -1.5), (-1.3, 1.0, -1.5)]
cube_vao = gl.glGenVertexArrays(1)
vbo = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, sizeof(vertices), vertices,
gl.GL_STATIC_DRAW)
gl.glBindVertexArray(cube_vao)
# -- position attribute
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- normal attribute
gl.glVertexAttribPointer(1, 3, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(3 * sizeof(c_float)))
gl.glEnableVertexAttribArray(1)
# -- texture coordinate
gl.glVertexAttribPointer(2, 2, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(6 * sizeof(c_float)))
gl.glEnableVertexAttribArray(2)
# -- second configure light vao (vbo is the same)
light_vao = gl.glGenVertexArrays(1)
gl.glBindVertexArray(light_vao)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- load texture
diffuse_map = load_texture("container2.png")
specular_map = load_texture("container2_specular.png")
# -- shader configuration
lighting_shader.use()
lighting_shader.set_int("material.diffuse", 0)
lighting_shader.set_int("material.specular", 1)
while not glfw.window_should_close(window):
# -- time logic
current_frame = glfw.get_time()
delta_time = current_frame - last_frame
last_frame = current_frame
# -- input
process_input(window)
# -- render
gl.glClearColor(0.1, 0.1, 0.1, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
lighting_shader.use()
lighting_shader.set_vec3("light.position", camera.position)
lighting_shader.set_vec3("light.direction", camera.front)
lighting_shader.set_float("light.cutOff", math.cos(math.radians(12.5)))
lighting_shader.set_vec3("viewPos", camera.position)
# -- light properties
lighting_shader.set_vec3("light.ambient", Vector3([0.1, 0.1, 0.1]))
# we configure the diffuse intensity slightly higher; the right lighting conditions differ with each lighting method and environment.
# each environment and lighting type requires some tweaking to get the best out of your environment.
lighting_shader.set_vec3("light.diffuse", Vector3([0.8, 0.8, 0.8]))
lighting_shader.set_vec3("light.specular", Vector3([1.0, 1.0, 1.0]))
lighting_shader.set_float("light.constant", 1.0)
lighting_shader.set_float("light.linear", 0.09)
lighting_shader.set_float("light.quadratic", 0.032)
# -- material properties
lighting_shader.set_float("material.shininess", 32.0)
# -- view.projection transformations
projection = Matrix44.perspective_projection(camera.zoom,
SRC_WIDTH / SRC_HEIGHT,
0.1, 100.0)
view = camera.get_view_matrix()
lighting_shader.set_mat4("projection", projection)
lighting_shader.set_mat4("view", view)
# -- world transformation
model = Matrix44.identity()
lighting_shader.set_mat4("model", model)
# -- bind diffuse map
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBindTexture(gl.GL_TEXTURE_2D, diffuse_map)
# -- bind specular map
gl.glActiveTexture(gl.GL_TEXTURE1)
gl.glBindTexture(gl.GL_TEXTURE_2D, specular_map)
# -- render continers
gl.glBindVertexArray(cube_vao)
for idx, position in enumerate(cube_positions):
angle = 20.0 * idx
rotation = matrix44.create_from_axis_rotation([1.0, 0.3, 0.5],
math.radians(angle))
translation = Matrix44.from_translation(position)
model = translation * rotation
lighting_shader.set_mat4('model', model)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
# # -- draw lamp object
# lamp_shader.use()
# lamp_shader.set_mat4("projection", projection)
# lamp_shader.set_mat4("view", view)
# model = Matrix44.identity()
# model *= Matrix44.from_translation(light_pos)
# model *= Matrix44.from_scale(Vector3([.2, .2, .2]))
# lamp_shader.set_mat4("model", model)
# gl.glBindVertexArray(light_vao)
# gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
glfw.swap_buffers(window)
glfw.poll_events()
gl.glDeleteVertexArrays(1, id(cube_vao))
gl.glDeleteVertexArrays(1, id(light_vao))
gl.glDeleteBuffers(1, id(vbo))
glfw.terminate()
# Test inside face for all pixels in the bounding box
mask[inbox[:, 1], inbox[:, 0]] |= points_in_triangle(face, inbox)
print_progress(1.0)
print()
return ~(mask)
if __name__ == "__main__":
import obj_reader
import texture
from find_seam import find_seam, seam_to_UV
from util import *
mesh = obj_reader.quads_to_triangles(obj_reader.load_obj(
'../models/cow.obj'))
texture = numpy.array(texture.load_texture(
"../textures/cow/Cow_Monster_N.png"))
height, width, depth = (texture.shape + (1,))[:3]
N = width * height
textureVec = texture.reshape(N, -1)
print("\nFinding seam of model")
seam, boundary, foldovers = find_seam(mesh)
uv_seam, uv_boundary, uv_foldovers = seam_to_UV(
mesh, seam, boundary, foldovers)
print("Done\n")
print("Number of edges along the seam: %d" % (len(seam) * 2))
print("Number of edges along the boundary: %d" % len(boundary))
print("Number of foldover edges: %d\n" % len(foldovers))
# Test inside face for all pixels in the bounding box
mask[inbox[:, 1], inbox[:, 0]] |= points_in_triangle(face, inbox)
return ~mask
if __name__ == "__main__":
import obj_reader
import texture
from find_seam import find_seam, seam_to_UV
mesh = obj_reader.quads_to_triangles(
obj_reader.load_obj('../models/cow.obj'))
texture = numpy.array(
texture.load_texture("../textures/cow/Cow_Monster_N.png"))
height, width, depth = (texture.shape + (1, ))[:3]
N = width * height
textureVec = texture.reshape(N, -1)
logging.info("\nFinding seam of model")
seam, boundary, foldovers = find_seam(mesh)
uv_seam, uv_boundary, uv_foldovers = seam_to_UV(mesh, seam, boundary,
foldovers)
logging.info("Done\n")
logging.info("Number of edges along the seam: %d" % (len(seam) * 2))
logging.info("Number of edges along the boundary: %d" % len(boundary))
logging.info("Number of foldover edges: %d\n" % len(foldovers))
def main():
global delta_time, last_frame
if not glfw.init():
raise ValueError("Failed to initialize glfw")
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
window = glfw.create_window(SRC_WIDTH, SRC_HEIGHT, "learnOpenGL", None,
None)
if not window:
glfw.terminate()
raise ValueError("Failed to create window")
glfw.make_context_current(window)
glfw.set_framebuffer_size_callback(window, framebuffer_size_callback)
glfw.set_cursor_pos_callback(window, mouse_callback)
glfw.set_scroll_callback(window, scroll_callback)
glfw.set_input_mode(window, glfw.CURSOR, glfw.CURSOR_DISABLED)
gl.glEnable(gl.GL_DEPTH_TEST)
lamp_shader = Shader(CURDIR / "shaders/1.lamp.vs",
CURDIR / "shaders/1.lamp.fs")
lighting_shader = Shader(CURDIR / "shaders/4.1.lighting_maps.vs",
CURDIR / "shaders/4.1.lighting_maps.fs")
vertices = [
# positions normals texture coords
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
1.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
0.0,
0.0,
-1.0,
0.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
1.0,
1.0,
-0.5,
0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
0.0,
0.0,
1.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
-0.5,
-1.0,
0.0,
0.0,
1.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
-0.5,
-1.0,
0.0,
0.0,
0.0,
1.0,
-0.5,
-0.5,
0.5,
-1.0,
0.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
0.5,
-1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
0.5,
0.5,
-0.5,
1.0,
0.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
1.0,
0.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
0.5,
1.0,
0.0,
0.0,
0.0,
0.0,
0.5,
0.5,
0.5,
1.0,
0.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
1.0,
1.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
1.0,
0.0,
-0.5,
-0.5,
0.5,
0.0,
-1.0,
0.0,
0.0,
0.0,
-0.5,
-0.5,
-0.5,
0.0,
-1.0,
0.0,
0.0,
1.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0,
0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
1.0,
1.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
1.0,
0.0,
-0.5,
0.5,
0.5,
0.0,
1.0,
0.0,
0.0,
0.0,
-0.5,
0.5,
-0.5,
0.0,
1.0,
0.0,
0.0,
1.0
]
vertices = (c_float * len(vertices))(*vertices)
cube_vao = gl.glGenVertexArrays(1)
vbo = gl.glGenBuffers(1)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glBufferData(gl.GL_ARRAY_BUFFER, sizeof(vertices), vertices,
gl.GL_STATIC_DRAW)
gl.glBindVertexArray(cube_vao)
# -- position attribute
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- normal attribute
gl.glVertexAttribPointer(1, 3, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(3 * sizeof(c_float)))
gl.glEnableVertexAttribArray(1)
# -- texture coordinate
gl.glVertexAttribPointer(2, 2, gl.GL_FLOAT,
gl.GL_FALSE, 8 * sizeof(c_float),
c_void_p(6 * sizeof(c_float)))
gl.glEnableVertexAttribArray(2)
# -- second configure light vao (vbo is the same)
light_vao = gl.glGenVertexArrays(1)
gl.glBindVertexArray(light_vao)
gl.glBindBuffer(gl.GL_ARRAY_BUFFER, vbo)
gl.glVertexAttribPointer(0, 3, gl.GL_FLOAT, gl.GL_FALSE,
8 * sizeof(c_float), c_void_p(0))
gl.glEnableVertexAttribArray(0)
# -- load texture
diffuse_map = load_texture("container2.png")
# -- shader configuration
lighting_shader.use()
lighting_shader.set_int("material.diffuse", 0)
while not glfw.window_should_close(window):
# -- time logic
current_frame = glfw.get_time()
delta_time = current_frame - last_frame
last_frame = current_frame
# -- input
process_input(window)
# -- render
gl.glClearColor(0.1, 0.1, 0.1, 1.0)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
lighting_shader.use()
lighting_shader.set_vec3("light.position", light_pos)
lighting_shader.set_vec3("viewPos", camera.position)
# -- light properties
lighting_shader.set_vec3("light.ambient", Vector3([0.2, 0.2, 0.2]))
lighting_shader.set_vec3("light.diffuse", Vector3([0.5, 0.5, 0.5]))
lighting_shader.set_vec3("light.specular", Vector3([1.0, 1.0, 1.0]))
# -- material properties
lighting_shader.set_vec3("material.specular", Vector3([0.5, 0.5, 0.5]))
lighting_shader.set_float("material.shininess", 32.0)
# -- view.projection transformations
projection = Matrix44.perspective_projection(camera.zoom,
SRC_WIDTH / SRC_HEIGHT,
0.1, 100.0)
view = camera.get_view_matrix()
lighting_shader.set_mat4("projection", projection)
lighting_shader.set_mat4("view", view)
# -- world transformation
model = Matrix44.identity()
lighting_shader.set_mat4("model", model)
# -- bind diffuse map
gl.glActiveTexture(gl.GL_TEXTURE0)
gl.glBindTexture(gl.GL_TEXTURE_2D, diffuse_map)
# -- render cube
gl.glBindVertexArray(cube_vao)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
# -- draw lamp object
lamp_shader.use()
lamp_shader.set_mat4("projection", projection)
lamp_shader.set_mat4("view", view)
model = Matrix44.identity()
model *= Matrix44.from_translation(light_pos)
model *= Matrix44.from_scale(Vector3([.2, .2, .2]))
lamp_shader.set_mat4("model", model)
gl.glBindVertexArray(light_vao)
gl.glDrawArrays(gl.GL_TRIANGLES, 0, 36)
glfw.swap_buffers(window)
glfw.poll_events()
gl.glDeleteVertexArrays(1, id(cube_vao))
gl.glDeleteVertexArrays(1, id(light_vao))
gl.glDeleteBuffers(1, id(vbo))
glfw.terminate()
def normal_sphere(r, divide, tex, normal, lighting=True, fv4=GLfloat * 4):
if (not have_extension('GL_ARB_multitexture') or not
have_extension('GL_ARB_texture_env_combine') or not
have_extension('GL_EXT_texture_env_dot3')):
print 'No hardware normal mapping support. No bumping for you.'
return sphere(r, divide, divide, tex, lighting)
from texture import load_texture
normal = load_texture(normal)
with glRestore(GL_ENABLE_BIT | GL_TEXTURE_BIT):
glEnable(GL_CULL_FACE)
glCullFace(GL_BACK)
glActiveTextureARB(GL_TEXTURE0_ARB)
glBindTexture(GL_TEXTURE_2D, normal)
glEnable(GL_TEXTURE_2D)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB)
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_DOT3_RGBA_ARB)
glActiveTextureARB(GL_TEXTURE1_ARB)
glBindTexture(GL_TEXTURE_2D, tex)
glEnable(GL_TEXTURE_2D)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB)
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE)
if lighting:
glDisable(GL_BLEND)
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, fv4(1, 1, 1, 0))
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, fv4(1, 1, 1, 0))
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 125)
else:
glDisable(GL_LIGHTING)
glBindTexture(GL_TEXTURE_2D, tex)
twopi_divide = TWOPI / divide
pi_divide = pi / divide
with glSection(GL_TRIANGLE_STRIP):
for j in xrange(divide + 1):
phi1 = j * twopi_divide
phi2 = (j + 1) * twopi_divide
for i in xrange(divide + 1):
theta = i * pi_divide
s = phi2 / TWOPI
t = theta / pi
dx, dy, dz = sin(theta) * cos(phi2), sin(theta) * sin(phi2), cos(theta)
glNormal3f(dx, dy, dz)
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, s, 1 - t)
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, s, 1 - t)
glVertex3f(r * dx, r * dy, r * dz)
s = phi1 / TWOPI # x
dx, dy = sin(theta) * cos(phi1), sin(theta) * sin(phi1)
glNormal3f(dx, dy, dz)
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, s, 1 - t)
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, s, 1 - t)
glVertex3f(r * dx, r * dy, r * dz)
