def WriteObj_Add(self,name):
print(' add num of verts:', len(self.vertices))
print('add num of norms:', len(self.norms))
print('add num of faces:', len(self.faces))
print('add num of edges:', len(self.edges))
obj=Obj.open('Recorde.obj')
LenVert=len(obj.vert)
LenNorm=len(obj.norm)
with open('Recorde.obj', 'a+') as ff:
for v in self.vertices:
ff.write(f'v {v[0]} {v[1]} {v[2]}\n')
for vn in self.norms:
ff.write(f'vn {vn[0]} {vn[1]} {vn[2]}\n')
ff.write(f'g {name}\n')
for f in self.faces:
idxVs = []
idxN = self.norms.index(f[0][1]) + 1
flag = 0
for i in range(3):
if f[i][0] in self.vertices:
idxVs.append(self.vertices.index(f[i][0]) + 1)
else:
flag=1
if flag==0:
ff.write(f'f {idxVs[0]+LenVert}//{idxN+LenNorm} {idxVs[1]+LenVert}//{idxN+LenNorm} {idxVs[2]+LenVert}//{idxN+LenNorm}\n')
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ctx = mgl.create_context()
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform samplerCube Sampler;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Sampler, normalize(v_text)).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('texture-test-cube.obj'))
self.texture = self.ctx.texture_cube(
(4, 4), 3,
np.random.randint(128, 255, (4, 4, 3, 6), 'u1').tobytes())
self.sampler = self.ctx.sampler(self.texture, filter=mgl.LINEAR)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty tz'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(mgl.DEPTH_TEST,
samplers=[(self.sampler, 0)])
def __init__(self):
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.objects = {}
for name in ['ground', 'grass', 'billboard', 'billboard-holder', 'billboard-image']:
obj = Obj.open(data.find('scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert', 'in_norm', 'in_text')
self.objects[name] = vao
img = Image.open(data.find('infographic-1.jpg')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.sampler = self.ctx.sampler(self.texture)
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ctx = mgl.create_context()
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform samplerCube Sampler;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Sampler, normalize(v_text)).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('texture-test-cube.obj'))
self.texture = self.ctx.texture_cube((4, 4), 3, np.random.randint(128, 255, (4, 4, 3, 6), 'u1').tobytes())
self.sampler = self.ctx.sampler(self.texture, filter=mgl.LINEAR)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty tz'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert', 'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(mgl.DEPTH_TEST, samplers=[(self.sampler, 0)])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler3D Sampler;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Sampler, v_text).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('texture-test-cube.obj'))
self.texture = self.ctx.texture(
(2, 2, 2), 3, np.random.randint(128, 255, (2, 2, 2, 3), 'u1'))
self.sampler = self.ctx.sampler(self.texture,
wrap=mgl.REPEAT_X | mgl.REPEAT_Y
| mgl.REPEAT_Z)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty tz'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(mgl.DEPTH_TEST,
samplers=[(self.sampler, 0)])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
obj = Obj.open(data.find('crate.obj'))
img = Image.open(data.find('crate.png')).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.texture.use()
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm', 'in_text')
def __init__(self):
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(local('data', 'crate.obj'))
img = Image.open(local('data', 'crate.png')).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.sampler = self.ctx.sampler(self.texture)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(mgl.DEPTH_TEST,
samplers=[(self.sampler, 0)])
def test_1(self):
model = Obj.fromstring('''
v 1.0 2.0 3.0
v 4.0 5.0 6.0
v 7.0 8.0 9.0
f 1 2 3
''')
ax, ay, az = struct.unpack('3f', model.pack('vx'))
self.assertAlmostEqual(ax, 1.0)
self.assertAlmostEqual(ay, 4.0)
self.assertAlmostEqual(az, 7.0)
def test_4(self):
model = Obj.fromstring('''
v 1.0 2.0 3.0
vt 3.0 4.0 5.0
vn 7.0 8.0 9.0
f 1/1/1 1/1/1 1/1/1
''')
vx, ty, nz = struct.unpack('3f', model.pack('vx ty nz')[:12])
self.assertAlmostEqual(vx, 1.0)
self.assertAlmostEqual(ty, 4.0)
self.assertAlmostEqual(nz, 9.0)
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('crate.obj'))
img = Image.open(data.find('crate.png')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.sampler = self.ctx.sampler(self.texture)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert', 'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(mgl.DEPTH_TEST, samplers=[(self.sampler, 0)])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler3D Sampler;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Sampler, v_text).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('texture-test-cube.obj'))
self.texture = self.ctx.texture((2, 2, 2), 3, np.random.randint(128, 255, (2, 2, 2, 3), 'u1'))
self.sampler = self.ctx.sampler(self.texture, wrap=mgl.REPEAT_X | mgl.REPEAT_Y | mgl.REPEAT_Z)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty tz'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert', 'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(mgl.DEPTH_TEST, samplers=[(self.sampler, 0)])
def LoadObjFile(fullPath, rotate=False):
assert sys.version_info[0] >= 3, 'only available in Python3'
from objloader import Obj
newFileCreated, fullPath = EnsureObjFacesInCorrectFormat(fullPath)
ob = Obj.open(fullPath)
verts = np.array(ob.vert)
if rotate:
# use this to make sure the neutral mesh aligns with 'bvhJoints_neutral' in GetMocapData.GetData()
verts = verts[:,(0,2,1)]
verts[:,1] *= -1
# bvhJoints_neutral = JsonToNumpyArr.MovePointsOutOfMayaCoordSystem(bvhJoints[:,:,0])
norms = np.array(ob.norm)
texture = np.array(ob.text)
# texture is Nx3, make Nx2
texture = texture[:,0:2]
faces = ob.face
if faces[0][0] == faces[0][1] and faces[0][0] == faces[0][2] or faces[0][1] is None:
# faces in the file are in the format 'f 736/736/736 40/40/40 46/46/46', giving 3 entries per face.
# Change it to be 1 entry of '736/40/46'
faces = [face[0] for face in ob.face]
numFaces = len(faces)
# print('numFaces', numFaces)
faces = np.array(faces)
faces = np.reshape(faces, ((int(numFaces/3), 3)))
# print('faces.shape', faces.shape)
else:
# print('else, faces[0]', faces[0])
faces = np.array(faces)
faces -= 1 # start at 0
# create dict that has the same format as reading an obj, LoadObj, in Matlab
obj = {}
obj['vertices'] = verts
obj['vertices_normal'] = norms
obj['vertices_texture'] = texture
objects = {}
objects['type'] = 'f'
data = {}
data['vertices'] = faces
objects['data'] = data
obj['objects'] = objects
return obj
def loadobj(self, objfn, texfn):
self.release()
prog = self.ctx.program(vertex_shader=self.vert_shader,
fragment_shader=self.frag_shader)
prog["is_background"].value = False
prog["DirLight"].value = (-1, 1, 1)
prog["dir_int"].value = 0.4
prog["amb_int"].value = 1.0
self.bufs['prog'] = prog
self.vs = SimpleNamespace()
self.vs.proj = matrix44.create_perspective_projection(
30, 1.0, 0.1, 1000.0)
self.vs.view = matrix44.create_look_at(
[0, 0, 1.5],
[0, 0, 0],
[0, 1, 0],
)
self.bufs['fbo'] = fbo
fbo.use()
obj = Obj.open(objfn)
tmp = obj.pack('vx vy vz nx ny nz tx ty')
arr = np.array(np.frombuffer(tmp, dtype='f4')).reshape((-1, 8))
# move obj center to the origin
tmp = arr[:, :3]
center = np.mean(tmp, axis=0)
tmp -= center
# scale obj to be within [-1, 1]
a, b = tmp.min(), tmp.max()
arr[:, :3] = tmp / (b - a)
vbo = self.ctx.buffer(arr.flatten().astype("f4").tobytes())
vao = self.ctx.simple_vertex_array(self.bufs['prog'], vbo, "in_vert",
"in_norm", "in_text")
self.bufs['vbo'] = vbo
self.bufs['vao'] = vao
img = Image.open(texfn).transpose(
Image.FLIP_TOP_BOTTOM).convert("RGBA")
texture = self.ctx.texture(img.size, 4, img.tobytes())
texture.build_mipmaps()
texture.use()
self.bufs['texture'] = texture
def test_3(self):
model = Obj.fromstring('''
v 1.0 2.0 3.0
v 4.0 5.0 6.0
v 7.0 8.0 9.0
f 1 2 3
''')
ax, anx, bx, bnx, cx, cnx = struct.unpack('6f', model.pack('vx nx'))
self.assertAlmostEqual(ax, 1.0)
self.assertAlmostEqual(anx, 0.0)
self.assertAlmostEqual(bx, 4.0)
self.assertAlmostEqual(bnx, 0.0)
self.assertAlmostEqual(cx, 7.0)
self.assertAlmostEqual(cnx, 0.0)
def test_2(self):
model = Obj.fromstring('''
v 1.0 2.0 3.0
v 4.0 5.0 6.0
v 7.0 8.0 9.0
f 1 2 3
''')
ax, ay, az, bx, by, bz, cx, cy, cz = struct.unpack(
'9f', model.pack('vx vy vz'))
self.assertAlmostEqual(ax, 1.0)
self.assertAlmostEqual(ay, 2.0)
self.assertAlmostEqual(az, 3.0)
self.assertAlmostEqual(bx, 4.0)
self.assertAlmostEqual(by, 5.0)
self.assertAlmostEqual(bz, 6.0)
self.assertAlmostEqual(cx, 7.0)
self.assertAlmostEqual(cy, 8.0)
self.assertAlmostEqual(cz, 9.0)
def __init__(self, **kwargs):
super().__init__(**kwargs)
# the shader program is inherited
# self.prog = self.ctx.program(...)
self.prog['RenderMode'] = self.TEXTURE_WITH_LIGHT_MODE
obj = Obj.open('examples/data/crate.obj')
img = Image.open('examples/data/crate.png')
self.texture = self.ctx.texture(img.size, 3,
img.tobytes('raw', 'RGB', 0, -1))
self.sampler = self.ctx.sampler(texture=self.texture)
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.vao = self.ctx.vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm', 'in_text')
self.vao.scope = self.ctx.scope(enable=self.ctx.DEPTH_TEST,
samplers=[
self.sampler.assign(0),
])
def test_1(self):
model = Obj.fromstring('''
v 1.0 2.0 3.0
v 1.0 1.0 1.0
v 3.0 2.0 1.0
vn 4.0 5.0 6.0
vn 1.0 1.0 1.0
vn 4.0 3.0 2.0
vt 7.0 8.0 9.0
vt 1.0 1.0 1.0
vt 5.0 4.0 3.0
f 1/1/1 2/2/2 3/3/3
''')
arr = model.to_array()
np.testing.assert_almost_equal(arr, [
[1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0],
[1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
[3.0, 2.0, 1.0, 4.0, 3.0, 2.0, 5.0, 4.0, 3.0],
])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.obj = Obj.open(
os.path.join(os.path.dirname(__file__), 'data',
'sitting_dummy.obj'))
self.wood = Image.open(
os.path.join(os.path.dirname(__file__), 'data', 'wood.jpg'))
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
gl_Position = Mvp * vec4(v_vert, 1.0);
}
''',
fragment_shader='''
#version 330
uniform sampler2D Texture;
uniform vec4 Color;
uniform vec3 Light;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = dot(normalize(v_norm), normalize(v_vert - Light));
lum = acos(lum) / 3.14159265;
lum = clamp(lum, 0.0, 1.0);
lum = lum * lum;
lum = smoothstep(0.0, 1.0, lum);
lum *= smoothstep(0.0, 80.0, v_vert.z) * 0.3 + 0.7;
lum = lum * 0.8 + 0.2;
vec3 color = texture(Texture, v_text).rgb;
color = color * (1.0 - Color.a) + Color.rgb * Color.a;
f_color = vec4(color * lum, 1.0);
}
''',
)
self.light = self.prog['Light']
self.color = self.prog['Color']
self.mvp = self.prog['Mvp']
self.texture = self.ctx.texture(self.wood.size, 3, self.wood.tobytes())
self.texture.build_mipmaps()
self.vbo = self.ctx.buffer(self.obj.pack('vx vy vz nx ny nz tx ty'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm', 'in_text')
def __init__(self):
self.ctx = moderngl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
self.color = self.prog['Color']
self.use_texture = self.prog['UseTexture']
self.objects = {}
for name in [
'ground', 'grass', 'billboard', 'billboard-holder',
'billboard-image'
]:
obj = Obj.open(local('data', 'scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert',
'in_norm', 'in_text')
self.objects[name] = vao
figure_size = (640, 360)
temp = io.BytesIO()
plt.figure(0, figsize=(figure_size[0] / 72, figure_size[1] / 72))
mu, sigma = 100, 15
x = mu + sigma * np.random.randn(10000)
n, bins, patches = plt.hist(x, 50, normed=1, facecolor='r', alpha=0.75)
plt.axis([40, 160, 0, 0.03])
plt.grid(True)
plt.show()
plt.savefig(temp, format='raw', dpi=72)
temp.seek(0)
img = Image.frombytes('RGBA', figure_size, temp.read()).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.texture.build_mipmaps()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_move;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert + in_move, 1.0);
v_vert = in_vert + in_move;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
obj = Obj.open(data.find('crate.obj'))
img = Image.open(data.find('crate.png')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.texture.build_mipmaps()
self.texture.use()
self.vbo1 = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.vbo2 = self.ctx.buffer(reserve=12 * 1024)
self.vao = self.ctx.vertex_array(self.prog, [
(self.vbo1, '3f 3f 2f', 'in_vert', 'in_norm', 'in_text'),
(self.vbo2, '3f/i', 'in_move'),
])
self.crate_a = np.random.uniform(0.7, 0.8, 32 * 32)
self.crate_b = np.random.uniform(0.0, 6.3, 32 * 32)
self.crate_x = (np.tile(np.arange(32), 32) - 16) * 1.5
self.crate_y = (np.repeat(np.arange(32), 32) - 16) * 1.5
self.crate_x += np.random.uniform(-0.2, 0.2, 32 * 32)
self.crate_y += np.random.uniform(-0.2, 0.2, 32 * 32)
def __init__(self):
self.ctx = mgl.create_context()
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
}
''',
)
obj1 = Obj.open(data.find('crate_left.obj'))
obj2 = Obj.open(data.find('crate.obj'))
obj3 = Obj.open(data.find('crate_right.obj'))
img1 = Image.open(data.find('crate.png')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
img2 = Image.open(data.find('rock.jpg')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture1 = self.ctx.texture(img1)
self.texture2 = self.ctx.texture(img2)
self.sampler1 = self.ctx.sampler(self.texture1)
self.sampler2 = self.ctx.sampler(self.texture2)
self.vbo1 = self.ctx.buffer(obj1.pack('vx vy vz nx ny nz tx ty'))
self.vbo2 = self.ctx.buffer(obj2.pack('vx vy vz nx ny nz tx ty'))
self.vbo3 = self.ctx.buffer(obj3.pack('vx vy vz nx ny nz tx ty'))
self.vao1 = self.ctx.simple_vertex_array(self.prog, self.vbo1, 'in_vert', 'in_norm', 'in_text')
self.vao1.scope = self.ctx.scope(mgl.DEPTH_TEST, samplers=[(self.sampler2, 0)])
self.vao2 = self.ctx.simple_vertex_array(self.prog, self.vbo2, 'in_vert', 'in_norm', 'in_text')
self.vao2.scope = self.ctx.scope(mgl.DEPTH_TEST, samplers=[(self.sampler1, 0)])
self.vao3 = self.ctx.simple_vertex_array(self.prog, self.vbo3, 'in_vert', 'in_norm', 'in_text')
self.vao3.scope = self.ctx.scope(mgl.DEPTH_TEST, samplers=[(self.sampler2, 0)])
with self.ctx.recorder:
self.ctx.clear(1.0, 1.0, 1.0)
self.vao1.render()
self.vao2.render()
self.vao3.render()
self.bytecode = self.ctx.recorder.dump()
print(self.bytecode)
def __init__(self):
self.ctx = moderngl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_move;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert + in_move, 1.0);
v_vert = in_vert + in_move;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
obj = Obj.open(local('data', 'crate.obj'))
img = Image.open(local('data', 'crate.png')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.texture.build_mipmaps()
self.texture.use()
self.vbo1 = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.vbo2 = self.ctx.buffer(reserve=12 * 1024)
self.vao = self.ctx.vertex_array(self.prog, [
(self.vbo1, '3f 3f 2f', 'in_vert', 'in_norm', 'in_text'),
(self.vbo2, '3f/i', 'in_move'),
])
self.crate_a = np.random.uniform(0.7, 0.8, 32 * 32)
self.crate_b = np.random.uniform(0.0, 6.3, 32 * 32)
self.crate_x = (np.tile(np.arange(32), 32) - 16) * 1.5
self.crate_y = (np.repeat(np.arange(32), 32) - 16) * 1.5
self.crate_x += np.random.uniform(-0.2, 0.2, 32 * 32)
self.crate_y += np.random.uniform(-0.2, 0.2, 32 * 32)
def __init__(self):
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.objects = {}
for name in [
'ground', 'grass', 'billboard', 'billboard-holder',
'billboard-image'
]:
obj = Obj.open(local('data', 'scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert',
'in_norm', 'in_text')
self.objects[name] = vao
img = Image.open(local('data', 'infographic-1.jpg')).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.sampler = self.ctx.sampler(self.texture)
def __init__(self):
self.ctx = moderngl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_color;
in vec3 in_origin;
in mat3 in_basis;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_color;
void main() {
v_vert = in_origin + in_basis * in_vert;
v_norm = in_basis * in_norm;
v_color = in_color;
gl_Position = Mvp * vec4(v_vert, 1.0);
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_color;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(v_color * lum, 1.0);
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
obj = Obj.open(local('data', 'lowpoly_toy_car.obj'))
self.vbo1 = self.ctx.buffer(obj.pack('vx vy vz nx ny nz'))
self.vbo2 = self.ctx.buffer(
struct.pack(
'15f',
1.0,
1.0,
1.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
1.0,
) * len(cars))
self.vao = self.ctx.vertex_array(self.prog, [
(self.vbo1, '3f 3f', 'in_vert', 'in_norm'),
(self.vbo2, '3f 3f 9f/i', 'in_color', 'in_origin', 'in_basis'),
])
def __init__(self):
self.MODEL = Model().to(DEVICE)
self.LABEL_MAP = load_imagenet_label_map()
self.CTX = moderngl.create_context()
self.PROG = self.CTX.program(vertex_shader="""
#version 330
uniform vec2 Pan;
uniform float Zoom;
uniform mat3 R;
uniform mat3 L;
uniform vec3 DirLight;
uniform mat4 Mvp;
uniform bool is_background;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_norm;
out vec2 v_text;
out vec3 v_light;
void main() {
if (!is_background) {
gl_Position = Mvp * vec4((R * in_vert) + vec3(Pan, Zoom), 1.0);
v_norm = R * in_norm;
v_text = in_text;
v_light = L * DirLight;
} else {
gl_Position = vec4(in_vert, 1.0);
v_norm = in_norm;
v_text = in_text;
}
}
""",
fragment_shader="""
#version 330
uniform float dir_int;
uniform float amb_int;
uniform sampler2D Texture;
uniform bool is_background;
uniform bool use_texture;
in vec3 v_norm;
in vec2 v_text;
in vec3 v_light;
out vec4 f_color;
void main() {
if (!is_background) {
float lum = clamp(dot(v_light, v_norm), 0.0, 1.0) * dir_int + amb_int;
if (use_texture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, texture(Texture, v_text).a);
} else {
f_color = vec4(vec3(1.0, 1.0, 1.0) * lum, 1.0);
}
} else {
f_color = vec4(texture(Texture, v_text).rgba);
}
}
""")
self.CTX.enable(moderngl.DEPTH_TEST)
self.CTX.enable(moderngl.BLEND)
self.PROG["is_background"].value = False
self.PROG["use_texture"].value = True
self.USE_BACKGROUND = False
self.PROG["use_texture"].value = False
self.PROG["Pan"].value = (0, 0)
self.PROG["Zoom"].value = 0
self.PROG["DirLight"].value = (0, 1, 0)
self.PROG["dir_int"].value = 0.7
self.PROG["amb_int"].value = 0.5
self.PROG["Mvp"].write((perspective * LOOK_AT).astype("f4").tobytes())
self.R = np.eye(3)
self.PROG["R"].write(self.R.astype("f4").tobytes())
self.L = np.eye(3)
self.PROG["L"].write(self.L.astype("f4").tobytes())
self.CAMERA_DISTANCE = CAMERA_DISTANCE
self.TOO_CLOSE = self.CAMERA_DISTANCE - 2.0
self.TOO_FAR = self.CAMERA_DISTANCE - 30.0
self.TAN_ANGLE = np.tan(VIEWING_ANGLE * np.pi / 180.0)
# Load background.
if BACKGROUND_F is not None:
background_f = "{0}{1}".format(SCENE_DIR, BACKGROUND_F)
background_img = Image.open(background_f).transpose(
Image.FLIP_TOP_BOTTOM).convert("RGBA")
(width, height) = (WIDTH, HEIGHT)
# Resize background image to work with neural network.
if height < background_img.height < background_img.width:
new_height = height
new_width = new_height * background_img.width // background_img.height
else:
new_width = width
new_height = new_width * background_img.height // background_img.width
background_img = background_img.resize((new_width, new_height),
Image.ANTIALIAS)
background_img = ImageOps.fit(background_img, (width, height),
Image.ANTIALIAS)
# Convert background image to ModernGL texture.
self.BACKGROUND = self.CTX.texture(background_img.size, 4,
background_img.tobytes())
self.BACKGROUND.build_mipmaps()
# Create background 3D object consisting of two triangles forming a
# rectangle.
# Screen coordinates are [-1, 1].
vertices = np.array([[-1.0, -1.0, 0.0], [-1.0, 1.0, 0.0],
[1.0, 1.0, 0.0], [-1.0, -1.0, 0.0],
[1.0, -1.0, 0.0], [1.0, 1.0, 0.0]])
# Not used for the background, but the vertex shader expects a normal.
normals = np.repeat([[0.0, 0.0, 1.0]], len(vertices), axis=0)
# Image coordinates are [0, 1].
texture_coords = np.array([[0.0, 0.0], [0.0, 1.0], [1.0, 1.0],
[0.0, 0.0], [1.0, 0.0], [1.0, 1.0]])
BACKGROUND_ARRAY = np.hstack((vertices, normals, texture_coords))
BACKGROUND_VBO = self.CTX.buffer(
BACKGROUND_ARRAY.flatten().astype("f4").tobytes())
self.BACKGROUND_VAO = self.CTX.simple_vertex_array(
self.PROG, BACKGROUND_VBO, "in_vert", "in_norm", "in_text")
# Set up object.
self.TRUE_CLASS = int(open("{0}{1}".format(SCENE_DIR, CLASS_F)).read())
self.TRUE_LABEL = self.LABEL_MAP[self.TRUE_CLASS]
# Load textures.
TEXTURES = []
for TEXTURE_F in TEXTURE_FS:
texture_f = SCENE_DIR + "{1}".format(SCENE_DIR, TEXTURE_F)
texture_img = Image.open(texture_f).transpose(
Image.FLIP_TOP_BOTTOM).convert("RGBA")
TEXTURE = self.CTX.texture(texture_img.size, 4,
texture_img.tobytes())
TEXTURE.build_mipmaps()
TEXTURES.append(TEXTURE)
self.TEXTURES = TEXTURES
# Load vertices.
VAOS = []
(min_val, abs_max_val, max_val) = (None, None, None)
for OBJ_F in OBJ_FS:
input_obj = SCENE_DIR + OBJ_F
obj = Obj.open(input_obj)
packed_array = obj.to_array()[:, :-1]
# Normalize vertices into a unit cube centered at zero.
original_vertices = packed_array[:, :3].copy()
if min_val is None:
min_val = original_vertices.min(axis=0)
original_vertices -= min_val
if abs_max_val is None:
abs_max_val = np.abs(original_vertices).max()
original_vertices /= abs_max_val
original_vertices *= 2
if max_val is None:
max_val = original_vertices.max(axis=0)
original_vertices -= max_val / 2
packed_array[:, :3] = original_vertices
vbo = self.CTX.buffer(
packed_array.flatten().astype("f4").tobytes())
vao = self.CTX.simple_vertex_array(self.PROG, vbo, "in_vert",
"in_norm", "in_text")
VAOS.append(vao)
self.VAOS = VAOS
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.obj = Obj.open(os.path.join(os.path.dirname(__file__), 'data', 'sitting_dummy.obj'))
self.wood = Image.open(os.path.join(os.path.dirname(__file__), 'data', 'wood.jpg'))
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
gl_Position = Mvp * vec4(v_vert, 1.0);
}
''',
fragment_shader='''
#version 330
uniform sampler2D Texture;
uniform vec4 Color;
uniform vec3 Light;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = dot(normalize(v_norm), normalize(v_vert - Light));
lum = acos(lum) / 3.14159265;
lum = clamp(lum, 0.0, 1.0);
lum = lum * lum;
lum = smoothstep(0.0, 1.0, lum);
lum *= smoothstep(0.0, 80.0, v_vert.z) * 0.3 + 0.7;
lum = lum * 0.8 + 0.2;
vec3 color = texture(Texture, v_text).rgb;
color = color * (1.0 - Color.a) + Color.rgb * Color.a;
f_color = vec4(color * lum, 1.0);
}
''',
)
self.light = self.prog['Light']
self.color = self.prog['Color']
self.mvp = self.prog['Mvp']
self.texture = self.ctx.texture(self.wood.size, 3, self.wood.tobytes())
self.texture.build_mipmaps()
self.vbo = self.ctx.buffer(self.obj.pack('vx vy vz nx ny nz tx ty'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert', 'in_norm', 'in_text')
def __init__(self, **kwargs):
super().__init__(**kwargs)
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.compute = self.ctx.compute_shader('''
#version 430
layout (local_size_x = 16, local_size_y = 16) in;
layout(rg32f,location=0) writeonly uniform image2D destTex;
uniform float time;
void main() {
ivec2 ij = ivec2(gl_GlobalInvocationID.xy);
float localCoef = length(vec2(ivec2(gl_LocalInvocationID.xy)-8)/8.0);
float globalCoef = sin(float(gl_WorkGroupID.x+gl_WorkGroupID.y)*0.1 + time)*0.5;
imageStore(destTex, ij, vec4(1.0-globalCoef*localCoef, 0.0, 0.0, 0.0));
}
''')
self.objects = {}
for name in ['ground', 'grass', 'billboard', 'billboard-holder', 'billboard-image']:
obj = Obj.open(data.find('scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert', 'in_norm', 'in_text')
self.objects[name] = vao
img = Image.new('RGB', (512, 512))
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.sampler = self.ctx.sampler(self.texture)
self.scope = self.ctx.scope(mgl.DEPTH_TEST, self.ctx.screen, samplers=[(self.sampler, 0)])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_color;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_color;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_color = in_color;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform sampler2D Texture;
uniform int RenderMode;
uniform vec3 Color;
uniform vec3 Light;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_color;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = 0.2 + 0.8* abs(dot(normalize(Light - v_vert), normalize(v_norm)));
if (RenderMode == 0) {
f_color = vec4(Color, 0.4);
} else if (RenderMode == 1) {
f_color = vec4(Color * lum, 0.4);
} else if (RenderMode == 2) {
f_color = vec4(v_color * lum, 0.4);
} else if (RenderMode == 3) {
f_color = texture(Texture, v_text) * vec4(lum, lum, lum, 0.4);
}
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
self.renderMode=self.prog['RenderMode']
self.color=self.prog['Color']
obj = Obj.open(r'Recorde.obj')
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz'))
self.vao = self.ctx.vertex_array(self.prog, self.vbo, 'in_vert','in_norm')
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.objects = {}
for name in [
'ground', 'grass', 'billboard', 'billboard-holder',
'billboard-image'
]:
obj = Obj.open(data.find('scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert',
'in_norm', 'in_text')
self.objects[name] = vao
img = Image.open(data.find('infographic-1.jpg')).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture1 = self.ctx.texture(img.size, 3, img.tobytes())
# self.texture1.build_mipmaps()
self.texture2 = self.ctx.texture(self.wnd.size, 3)
depth_attachment = self.ctx.depth_renderbuffer(self.wnd.size)
self.fbo = self.ctx.framebuffer(self.texture2, depth_attachment)
self.sampler1 = self.ctx.sampler(self.texture1)
self.sampler2 = self.ctx.sampler(self.texture2)
self.scope1 = self.ctx.scope(mgl.DEPTH_TEST,
self.fbo,
samplers=[(self.sampler1, 0)])
self.scope2 = self.ctx.scope(mgl.DEPTH_TEST,
self.ctx.screen,
samplers=[(self.sampler2, 0)])
def __init__(self, **kwargs):
super().__init__(**kwargs)
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
out vec3 v_vert;
out vec3 v_norm;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
}
''',
fragment_shader='''
#version 330
uniform samplerCube Sampler;
uniform vec3 Eye;
in vec3 v_vert;
in vec3 v_norm;
out vec4 f_color;
void main() {
f_color = texture(Sampler, reflect(v_vert - Eye, v_norm));
}
''',
)
img1 = Image.new('RGB', (200, 200), '#fee')
img2 = Image.new('RGB', (200, 200), '#efe')
img3 = Image.new('RGB', (200, 200), '#eef')
img4 = Image.new('RGB', (200, 200), '#ffe')
img5 = Image.new('RGB', (200, 200), '#fef')
img6 = Image.new('RGB', (200, 200), '#eff')
ImageDraw.ImageDraw(img1).text((50, 30), 'i1', '#000',
ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img2).text((50, 30), 'i2', '#000',
ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img3).text((50, 30), 'i3', '#000',
ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img4).text((50, 30), 'i4', '#000',
ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img5).text((50, 30), 'i5', '#000',
ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img6).text((50, 30), 'i6', '#000',
ImageFont.truetype('arial', 128))
def join(*images):
return b''.join(img.tobytes('raw', 'RGB', 0, -1) for img in images)
self.texture = self.ctx.texture_cube((200, 200), 3,
join(img1, img2, img3, img4, img5,
img6))
self.sampler = self.ctx.sampler(self.texture)
self.sampler.filter = mgl.LINEAR
self.sampler.use()
obj = Obj.open(data.find('sitting_dummy.obj'))
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert',
'in_norm')
self.scope = self.ctx.scope(mgl.DEPTH_TEST)
// specular
vec3 viewDir = normalize(viewPos - fragPos);
vec3 reflectDir = reflect(-lightDir, norm);
float spec = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
vec3 specular = light.specular * spec * vec3(texture(material.specular, texCoords));
vec3 result = ambient + diffuse + specular;
fragColour = vec4(result, 1.0);
}
'''
prog = ctx.program(vertex_shader=vs, fragment_shader=fs)
glShadeModel(GL_SMOOTH)
glEnable(GL_DEPTH_TEST)
obj = Obj.open(Path.local('models', 'teapot.obj'))
vbo = ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = ctx.simple_vertex_array(prog, vbo, 'in_vert', 'in_norm', 'in_UVs')
# light properties
pos = lightPos
amb = Vector3([0.2, 0.2, 0.2])
diff = Vector3([0.7, 0.7, 0.7])
spec = lightCol
prog['light.position'].write(pos.astype('f4').tobytes())
prog['light.ambient'].write(amb.astype('f4').tobytes())
prog['light.diffuse'].write(diff.astype('f4').tobytes())
prog['light.specular'].write(spec.astype('f4').tobytes())
# material properties
img1 = Image.open(os.path.join(os.path.dirname(__file__), 'images', 'Brick_{size}x{size}.jpg'.format(size=2048))) # texture sizes: 8,16,32,64,128,256,512,1024,2048,4096
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
self.color = self.prog['Color']
self.use_texture = self.prog['UseTexture']
self.objects = {}
for name in ['ground', 'grass', 'billboard', 'billboard-holder', 'billboard-image']:
obj = Obj.open(data.find('scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert', 'in_norm', 'in_text')
self.objects[name] = vao
figure_size = (640, 360)
temp = io.BytesIO()
plt.figure(0, figsize=(figure_size[0] / 72, figure_size[1] / 72))
mu, sigma = 100, 15
x = mu + sigma * np.random.randn(10000)
n, bins, patches = plt.hist(x, 50, normed=1, facecolor='r', alpha=0.75)
plt.axis([40, 160, 0, 0.03])
plt.grid(True)
plt.show()
plt.savefig(temp, format='raw', dpi=72)
temp.seek(0)
img = Image.frombytes('RGBA', figure_size, temp.read()).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture = self.ctx.texture(img.size, 3, img.tobytes())
self.texture.build_mipmaps()
def __init__(self):
self.ctx = mgl.create_context()
self.canvas_prog = self.ctx.program(
vertex_shader='''
#version 330
in vec2 in_vert;
out vec2 v_vert;
void main() {
gl_Position = vec4(in_vert * 2.0 - 1.0, 0.0, 1.0);
v_vert = in_vert;
}
''',
fragment_shader='''
#version 330
uniform sampler2D Texture;
in vec2 v_vert;
out vec4 f_color;
void main() {
f_color = texture(Texture, v_vert);
}
''',
)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
vec3 base = vec3(0.5, 0.5, 0.5) * lum;
vec3 spec = vec3(1.0, 1.0, 1.0) * pow(lum, 5.7);
vec4 tex = texture(Texture, v_text);
f_color = vec4(base * 0.1 + tex.rgb * lum + spec, tex.a);
}
''',
)
self.canvas_vbo = self.ctx.buffer(
np.array([0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0],
dtype='f4').tobytes())
self.canvas_vao = self.ctx.simple_vertex_array(self.canvas_prog,
self.canvas_vbo,
'in_vert')
bg_img = Image.open(data.find('mug-background.jpg')).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGB')
self.bg_texture = self.ctx.texture(bg_img.size, 3, bg_img.tobytes())
self.bg_sampler = self.ctx.sampler(self.bg_texture)
sticker_img = Image.open(data.find('mug-pymet-logo.png')).transpose(
Image.FLIP_TOP_BOTTOM).convert('RGBA')
self.sticker_texture = self.ctx.texture(sticker_img.size, 4,
sticker_img.tobytes())
# self.sticker_texture.build_mipmaps(0, 2)
self.sticker_sampler = self.ctx.sampler(self.sticker_texture)
self.mug_texture = self.ctx.texture((1, 1), 3)
self.mug_texture.write(struct.pack('3B', 10, 10, 10))
self.mug_sampler = self.ctx.sampler(self.mug_texture)
obj = Obj.open(data.find('mug.obj'))
self.mug_vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.mug_vao = self.ctx.simple_vertex_array(self.prog, self.mug_vbo,
'in_vert', 'in_norm',
'in_text')
segs = 32
radius = 29.94
bottom = 6.601
top = 57.856
left = -163.12 * np.pi / 180.0
right = 11.25 * np.pi / 180.0
lin = np.linspace(left, right, segs)
sticker_vertices = np.array([
np.repeat(np.cos(lin) * radius, 2),
np.repeat(np.sin(lin) * radius, 2),
np.tile([bottom, top], segs),
np.repeat(np.cos(lin), 2),
np.repeat(np.sin(lin), 2),
np.tile([0.0, 0.0], segs),
np.repeat(np.linspace(0.0, 1.0, segs), 2),
np.tile([0.0, 1.0], segs),
])
self.sticker_vbo = self.ctx.buffer(
sticker_vertices.T.astype('f4').tobytes())
self.sticker_vao = self.ctx.simple_vertex_array(
self.prog, self.sticker_vbo, 'in_vert', 'in_norm', 'in_text')
def __init__(self):
self.ctx = mgl.create_context()
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_color;
in vec3 in_origin;
in mat3 in_basis;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_color;
void main() {
v_vert = in_origin + in_basis * in_vert;
v_norm = in_basis * in_norm;
v_color = in_color;
gl_Position = Mvp * vec4(v_vert, 1.0);
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_color;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(v_color * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('lowpoly_toy_car.obj'))
self.vbo1 = self.ctx.buffer(obj.pack('vx vy vz nx ny nz'))
self.vbo2 = self.ctx.buffer(struct.pack(
'15f',
1.0, 1.0, 1.0,
0.0, 0.0, 0.0,
1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, 0.0, 1.0,
) * len(cars))
self.vao = self.ctx.vertex_array(self.prog, [
(self.vbo1, '3f 3f', 'in_vert', 'in_norm'),
(self.vbo2, '3f 3f 9f/i', 'in_color', 'in_origin', 'in_basis'),
])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.objects = {}
for name in ['ground', 'grass', 'billboard', 'billboard-holder', 'billboard-image']:
obj = Obj.open(data.find('scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog, vbo, 'in_vert', 'in_norm', 'in_text')
self.objects[name] = vao
img = Image.open(data.find('infographic-1.jpg')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture1 = self.ctx.texture(img.size, 3, img.tobytes())
# self.texture1.build_mipmaps()
self.texture2 = self.ctx.texture(self.wnd.size, 3)
depth_attachment = self.ctx.depth_renderbuffer(self.wnd.size)
self.fbo = self.ctx.framebuffer(self.texture2, depth_attachment)
self.sampler1 = self.ctx.sampler(self.texture1)
self.sampler2 = self.ctx.sampler(self.texture2)
self.scope1 = self.ctx.scope(mgl.DEPTH_TEST, self.fbo, samplers=[(self.sampler1, 0)])
self.scope2 = self.ctx.scope(mgl.DEPTH_TEST, self.ctx.screen, samplers=[(self.sampler2, 0)])
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.canvas_prog = self.ctx.program(
vertex_shader='''
#version 330
in vec2 in_vert;
out vec2 v_vert;
void main() {
gl_Position = vec4(in_vert * 2.0 - 1.0, 0.0, 1.0);
v_vert = in_vert;
}
''',
fragment_shader='''
#version 330
uniform sampler2D Texture;
in vec2 v_vert;
out vec4 f_color;
void main() {
f_color = texture(Texture, v_vert);
}
''',
)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
vec3 base = vec3(0.5, 0.5, 0.5) * lum;
vec3 spec = vec3(1.0, 1.0, 1.0) * pow(lum, 5.7);
vec4 tex = texture(Texture, v_text);
f_color = vec4(base * 0.1 + tex.rgb * lum + spec, tex.a);
}
''',
)
self.canvas_vbo = self.ctx.buffer(np.array([0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0], dtype='f4').tobytes())
self.canvas_vao = self.ctx.simple_vertex_array(self.canvas_prog, self.canvas_vbo, 'in_vert')
bg_img = Image.open(data.find('mug-background.jpg')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.bg_texture = self.ctx.texture(bg_img.size, 3, bg_img.tobytes())
self.mvp = self.prog['Mvp']
self.light = self.prog['Light']
sticker_img = Image.open(data.find('mug-pymet-logo.png')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGBA')
self.sticker_texture = self.ctx.texture(sticker_img.size, 4, sticker_img.tobytes())
self.sticker_texture.build_mipmaps(0, 2)
self.mug_texture = self.ctx.texture((1, 1), 3)
self.mug_texture.write(struct.pack('3B', 10, 10, 10))
obj = Obj.open(data.find('mug.obj'))
self.mug_vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
self.mug_vao = self.ctx.simple_vertex_array(self.prog, self.mug_vbo, 'in_vert', 'in_norm', 'in_text')
segs = 32
radius = 29.94
bottom = 6.601
top = 57.856
left = -163.12 * np.pi / 180.0
right = 11.25 * np.pi / 180.0
lin = np.linspace(left, right, segs)
sticker_vertices = np.array([
np.repeat(np.cos(lin) * radius, 2),
np.repeat(np.sin(lin) * radius, 2),
np.tile([bottom, top], segs),
np.repeat(np.cos(lin), 2),
np.repeat(np.sin(lin), 2),
np.tile([0.0, 0.0], segs),
np.repeat(np.linspace(0.0, 1.0, segs), 2),
np.tile([0.0, 1.0], segs),
])
self.sticker_vbo = self.ctx.buffer(sticker_vertices.T.astype('f4').tobytes())
self.sticker_vao = self.ctx.simple_vertex_array(self.prog, self.sticker_vbo, 'in_vert', 'in_norm', 'in_text')
layout (location = 0) out vec4 out_color;
void main() {
vec3 color = vec3(1.0, 1.0, 1.0);
vec3 sight = -vec3(mvp[0].w, mvp[1].w, mvp[2].w);
float lum = dot(normalize(sight), normalize(in_norm)) * 0.7 + 0.3;
out_color = vec4(lum, lum, lum, 1.0);
}
'''),
vertex_format='3f 3f',
vertex_count=36,
bindings=[
{
'binding': 0,
'type': 'uniform_buffer',
'buffer': uniform_buffer,
},
],
)
uniform_buffer.write(glnext.camera((4.0, 3.0, 2.0), (0.0, 0.0, 0.0)))
pipeline.update(
vertex_buffer=Obj.open('examples/cube.obj').pack('vx vy vz nx ny nz'),
)
task.run()
data = framebuffer.output[0].read()
Image.frombuffer('RGBA', (512, 512), data, 'raw', 'RGBA', 0, -1).show()
def __init__(self, **kwargs):
super().__init__(**kwargs)
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
out vec3 v_vert;
out vec3 v_norm;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
}
''',
fragment_shader='''
#version 330
uniform samplerCube Sampler;
uniform vec3 Eye;
in vec3 v_vert;
in vec3 v_norm;
out vec4 f_color;
void main() {
f_color = texture(Sampler, reflect(v_vert - Eye, v_norm));
}
''',
)
img1 = Image.new('RGB', (200, 200), '#fee')
img2 = Image.new('RGB', (200, 200), '#efe')
img3 = Image.new('RGB', (200, 200), '#eef')
img4 = Image.new('RGB', (200, 200), '#ffe')
img5 = Image.new('RGB', (200, 200), '#fef')
img6 = Image.new('RGB', (200, 200), '#eff')
ImageDraw.ImageDraw(img1).text((50, 30), 'i1', '#000', ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img2).text((50, 30), 'i2', '#000', ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img3).text((50, 30), 'i3', '#000', ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img4).text((50, 30), 'i4', '#000', ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img5).text((50, 30), 'i5', '#000', ImageFont.truetype('arial', 128))
ImageDraw.ImageDraw(img6).text((50, 30), 'i6', '#000', ImageFont.truetype('arial', 128))
def join(*images):
return b''.join(img.tobytes('raw', 'RGB', 0, -1) for img in images)
self.texture = self.ctx.texture_cube((200, 200), 3, join(img1, img2, img3, img4, img5, img6))
self.sampler = self.ctx.sampler(self.texture)
self.sampler.filter = mgl.LINEAR
self.sampler.use()
obj = Obj.open(data.find('sitting_dummy.obj'))
self.vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz'))
self.vao = self.ctx.simple_vertex_array(self.prog, self.vbo, 'in_vert', 'in_norm')
self.scope = self.ctx.scope(mgl.DEPTH_TEST)
import glnext
import numpy as np
from glnext_compiler import glsl
from matplotlib import pyplot as plt
from objloader import Obj
instance = glnext.instance()
task = instance.task()
framebuffer = task.framebuffer((512, 512), '1f', samples=1)
vertex_size = 12
mesh = Obj.open('examples/monkey.obj').pack('vx vy vz')
vertex_count = len(mesh) // vertex_size
pipeline = framebuffer.render(
vertex_shader=glsl('''
#version 450
#pragma shader_stage(vertex)
layout (binding = 0) uniform Buffer {
mat4 mvp;
};
layout (location = 0) in vec3 in_vert;
layout (location = 0) out float out_depth;
void main() {
vec4 vert = mvp * vec4(in_vert, 1.0);
gl_Position = vert;
def start(self):
if not glfw.init():
print("Could not initialize OpenGL context")
exit(1)
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, True)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
#glfw.window_hint(glfw.RESIZABLE, self.resizable)
glfw.window_hint(glfw.DOUBLEBUFFER, True)
glfw.window_hint(glfw.DEPTH_BITS, 24)
#glfw.window_hint(glfw.SAMPLES, 1)
glfw.window_hint(glfw.DECORATED, False)
monitor = None
'''
if self.fullscreen:
# Use the primary monitors current resolution
monitor = glfw.get_primary_monitor()
self.width, self.height = mode.size.width, mode.size.height
mode = glfw.get_video_mode(monitor)
'''
self.window = glfw.create_window(self.width, self.height, self.window_name, monitor, None)
if not self.window:
glfw.terminate()
raise ValueError("Failed to create window")
'''
if not self.cursor:
glfw.set_input_mode(self.window, glfw.CURSOR, glfw.CURSOR_DISABLED)
'''
glfw.set_window_pos(self.window, 40, 40)
# Get the actual buffer size of the window
# This is important for some displays like Apple's Retina as reported window sizes are virtual
self.buffer_width, self.buffer_height = glfw.get_framebuffer_size(self.window)
#print("Frame buffer size:", self.buffer_width, self.buffer_height)
#print("Actual window size:", glfw.get_window_size(self.window))
glfw.make_context_current(self.window)
# The number of screen updates to wait from the time glfwSwapBuffers
# was called before swapping the buffers and returning
if self.bVsync:
glfw.swap_interval(1)
glfw.set_key_callback(self.window, self.key_event_callback)
#glfw.set_cursor_pos_callback(self.window, self.mouse_event_callback)
#glfw.set_window_size_callback(self.window, self.window_resize_callback)
# Create mederngl context from existing context
self.ctx = moderngl.create_context(require=330)
self.fbo = self.ctx.screen
#self.ctx.viewport = self.window.viewport
#self.set_default_viewport()
#print("Wow ! GL_SHADING_LANGUAGE_VERSION :", gl.glGetString(gl.GL_SHADING_LANGUAGE_VERSION))
'''
self.proj = Matrix44.perspective_projection(45.0, float(self.width)/float(self.height), 0.1, 1000.0)
self.lookat = Matrix44.look_at(
(0.0, 0.0, 10.0),
(0.0, 0.0, 0.0),
(0.0, -1.0, 0.0),
)
'''
left = 0 #-float(self.width)
right = float(self.width)
top = 0 #float(self.height)
bottom = -float(self.height)
near = 1.0
far = 1000.0
self.proj = Matrix44.orthogonal_projection(left, right, bottom, top, near, far)
self.lookat = Matrix44.look_at(
(0.0, 0.0, -10.0),
(0.0, 0.0, 0.0),
(0.0, -1.0, 0.0),
)
self.prog = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 MVP;
//in vec3 in_vert;
in vec2 in_vert;
in vec2 in_text;
out vec2 v_text;
void main()
{
//gl_Position = MVP * vec4(in_vert, 1.0);
gl_Position = MVP * vec4(in_vert, 0.0, 1.0);
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform sampler2D Texture;
in vec2 v_text;
out vec4 f_color;
void main()
{
//f_color = vec4(0.3, 0.5, 1.0, 1.0);
f_color = vec4(texture(Texture, v_text).rgb, 1.0);
}
''',
)
self.mvp = self.prog['MVP']
img_left = Image.open(local('assets', 'l.png')).convert('RGB')
self.texture_left = self.ctx.texture(img_left.size, 3, img_left.tobytes())
#self.texture_left.build_mipmaps()
#img_right = Image.open(local('assets', 'r.png')).convert('RGB')
#self.texture_right = self.ctx.texture(img_right.size, 3, img_right.tobytes())
#self.texture_right.build_mipmaps()
texSize = (1024,1024)
self.texture_left = self.ctx.texture((1024,1024), 3)
depth_attachment_left = self.ctx.depth_renderbuffer(texSize)
self.fbo_left = self.ctx.framebuffer(self.texture_left, depth_attachment_left)
self.texture_right = self.ctx.texture((1024,1024), 3)
depth_attachment_right = self.ctx.depth_renderbuffer(texSize)
self.fbo_right = self.ctx.framebuffer(self.texture_right, depth_attachment_right)
vertices_left_quad = np.array([
0.0, 0.0, 0.0,1.0,
0.0, self.height, 0.0,0.0,
self.width/2, 0.0, 1.0,1.0,
self.width/2, self.height, 1.0,0.0
])
self.vbo_left_quad = self.ctx.buffer(vertices_left_quad.astype('f4').tobytes())
self.vao_left_quad = self.ctx.simple_vertex_array(self.prog, self.vbo_left_quad, 'in_vert', 'in_text')
vertices_right_quad = np.array([
self.width/2, 0.0, 0.0,1.0,
self.width/2, self.height, 0.0,0.0,
self.width, 0.0, 1.0,1.0,
self.width, self.height, 1.0,0.0
])
self.vbo_right_quad = self.ctx.buffer(vertices_right_quad.astype('f4').tobytes())
self.vao_right_quad = self.ctx.simple_vertex_array(self.prog, self.vbo_right_quad, 'in_vert', 'in_text')
#####
# Persp scene
self.proj_sample = Matrix44.perspective_projection(45.0, self.width / self.height, 0.1, 1000.0)
self.proj_sample_stereo = Matrix44.perspective_projection(45.0, (self.width/2) / self.height, 0.1, 1000.0)
self.lookat_sample = Matrix44.look_at(
(50.0, 20.0, 30.0),
(0.0, 0.0, 10.0),
(0.0, 0.0, 1.0),
)
self.prog_sample = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 MVP;
in vec3 in_vert;
in vec3 in_norm;
in vec2 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec2 v_text;
void main() {
gl_Position = MVP * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform vec3 Color;
uniform bool UseTexture;
uniform sampler2D Texture;
in vec3 v_vert;
in vec3 v_norm;
in vec2 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
if (UseTexture) {
f_color = vec4(texture(Texture, v_text).rgb * lum, 1.0);
} else {
f_color = vec4(Color * lum, 1.0);
}
}
''',
)
self.objects = {}
for name in ['ground', 'grass', 'billboard', 'billboard-holder', 'billboard-image']:
obj = Obj.open(local('assets', 'scene-1-%s.obj' % name))
vbo = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty'))
vao = self.ctx.simple_vertex_array(self.prog_sample, vbo, 'in_vert', 'in_norm', 'in_text')
self.objects[name] = vao
img = Image.open(local('assets', 'infographic-1.jpg')).transpose(Image.FLIP_TOP_BOTTOM).convert('RGB')
self.texture_sample = self.ctx.texture(img.size, 3, img.tobytes())
self.texture_sample.build_mipmaps()
self.mvp_sample = self.prog_sample['MVP']
self.bUseTexture_sample = self.prog_sample['UseTexture']
self.light_sample = self.prog_sample['Light']
self.color_sample = self.prog_sample['Color']
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.ctx = mgl.create_context()
# import gltraces
# mglprocs = mgl.glprocs(self.ctx)
# gltraces.glprocs[:] = mglprocs
# mglprocs[:] = gltraces.gltraces
self.prog1 = self.ctx.program(
vertex_shader='''
#version 330
uniform mat4 Mvp;
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_text;
void main() {
gl_Position = Mvp * vec4(in_vert, 1.0);
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
fragment_shader='''
#version 330
uniform vec3 Light;
uniform samplerCube Sampler;
in vec3 v_vert;
in vec3 v_norm;
in vec3 v_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - v_vert), normalize(v_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Sampler, normalize(v_text)).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('texture-test-cube.obj'))
self.texture1 = self.ctx.texture_cube((512, 512), 3, np.random.randint(128, 255, (512, 512, 3, 6), 'u1').tobytes())
self.depth1 = self.ctx.texture_cube((512, 512), 1, None, dtype='d3')
self.sampler1 = self.ctx.sampler(self.texture1, filter=mgl.LINEAR)
self.fbo1 = self.ctx.framebuffer(self.texture1, self.depth1)
# exit()
self.vbo1 = self.ctx.buffer(obj.pack('vx vy vz nx ny nz tx ty tz'))
self.vao1 = self.ctx.simple_vertex_array(self.prog1, self.vbo1, 'in_vert', 'in_norm', 'in_text')
self.vao1.scope = self.ctx.scope(mgl.DEPTH_TEST, self.ctx.screen, samplers=[(self.sampler1, 0)])
self.prog2 = self.ctx.program(
vertex_shader='''
#version 330
in vec3 in_vert;
in vec3 in_norm;
in vec3 in_text;
out vec3 v_vert;
out vec3 v_norm;
out vec3 v_text;
void main() {
v_vert = in_vert;
v_norm = in_norm;
v_text = in_text;
}
''',
geometry_shader='''
#version 330
layout(triangles) in;
layout(triangle_strip, max_vertices=18) out;
in vec3 v_vert[3];
in vec3 v_norm[3];
in vec3 v_text[3];
out vec3 g_vert;
out vec3 g_norm;
out vec3 g_text;
uniform mat4 Mvp[6];
void main() {
for (int layer = 0; layer < 6; ++layer) {
gl_Layer = layer;
for (int i = 0; i < 3; ++i) {
g_vert = v_vert[i];
g_norm = v_norm[i];
g_text = v_text[i];
gl_Position = Mvp[layer] * vec4(g_vert, 1.0);
EmitVertex();
}
EndPrimitive();
}
}
''',
fragment_shader='''
#version 330
uniform sampler3D Sampler;
uniform vec3 Light;
in vec3 g_vert;
in vec3 g_norm;
in vec3 g_text;
out vec4 f_color;
void main() {
float lum = clamp(dot(normalize(Light - g_vert), normalize(g_norm)), 0.0, 1.0) * 0.8 + 0.2;
f_color = vec4(texture(Sampler, g_text).rgb * lum, 1.0);
}
''',
)
obj = Obj.open(data.find('test_scene.obj'))
self.texture2 = self.ctx.texture((4, 4, 4), 3, np.repeat(np.random.randint(180, 220, (4, 4, 4), 'u1'), 3))
self.sampler2 = self.ctx.sampler(self.texture2, wrap=mgl.REPEAT_X | mgl.REPEAT_Y | mgl.REPEAT_Z, filter=mgl.LINEAR)
self.vbo2 = self.ctx.buffer(obj.pack('vx vy vz nx ny nz vx vy vz'))
self.vao2 = self.ctx.simple_vertex_array(self.prog2, self.vbo2, 'in_vert', 'in_norm', 'in_text')
self.vao2.scope = self.ctx.scope(mgl.DEPTH_TEST, self.fbo1, samplers=[(self.sampler2, 0)])
#默认的输出图片文件名
if (len(sys.argv) > 1):
filename = sys.argv[1]
else:
filename = "output.png"
#模型加载目录
obj_path = "./models/spot/"
#创建一个像素着色器,用来计算具体像素的值
if (len(sys.argv) > 3):
fragment_shader = Shader(sys.argv[2], obj_path + sys.argv[3])
else:
fragment_shader = Shader(sys.argv[2], obj_path + "spot_texture.png")
#一个数组,记录了模型的各个顶点,每个顶点的信息(分先后)为顶点坐标,法向量坐标,纹理坐标(加了一个0.扩展到三维)
obj = Obj.open(obj_path + "spot_triangulated_good.obj").to_array()
#用来记录键盘输入的键值
key = 0
#旋转变换的角度
angle = 140.
f1 = (50 - 0.1) / 2.0
f2 = (50 + 0.1) / 2.0
#只经过了modle和view变换
mv = get_view(eye_pos).dot(get_model(angle))
#model和view变换的矩阵的逆矩阵的转置矩阵
inv_trans = np.linalg.inv(mv).T
#mvp变换矩阵
mvp = get_projection(45, 1, 0.1, 50).dot(mv)
points = []
for i in range(0, len(obj), 3):
points.clear()
