def __enter__(self):
super(CubeApp, self).__enter__()
glEnable(GL_DEPTH_TEST)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE)
VERTEX_SHADER = shaders.compileShader("""
#version 330
in vec3 v_position;
in vec4 v_color;
out vec4 f_color;
uniform mat4 v_model;
uniform mat4 v_view;
uniform mat4 v_projection;
void main() {
gl_Position = v_projection * v_view * v_model * vec4(v_position, 1.0);
f_color = v_color;
}
""", GL_VERTEX_SHADER)
FRAGMENT_SHADER = shaders.compileShader("""
#version 330
in vec4 f_color;
out vec4 frag_color;
void main() {
frag_color = f_color;
}
""", GL_FRAGMENT_SHADER)
self.shader = ShaderProgram(VERTEX_SHADER, FRAGMENT_SHADER)
self.cube = Cube(self.shader)
self.point_sphere = PointSphere(self.shader)
self.time = 0
glPointSize(2)
return self
class CubeApp(WindowingContext):
def __enter__(self):
super(CubeApp, self).__enter__()
glEnable(GL_DEPTH_TEST)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE)
VERTEX_SHADER = shaders.compileShader("""
#version 330
in vec3 v_position;
in vec4 v_color;
out vec4 f_color;
uniform mat4 v_model;
uniform mat4 v_view;
uniform mat4 v_projection;
void main() {
gl_Position = v_projection * v_view * v_model * vec4(v_position, 1.0);
f_color = v_color;
}
""", GL_VERTEX_SHADER)
FRAGMENT_SHADER = shaders.compileShader("""
#version 330
in vec4 f_color;
out vec4 frag_color;
void main() {
frag_color = f_color;
}
""", GL_FRAGMENT_SHADER)
self.shader = ShaderProgram(VERTEX_SHADER, FRAGMENT_SHADER)
self.cube = Cube(self.shader)
self.point_sphere = PointSphere(self.shader)
self.time = 0
glPointSize(2)
return self
def update(self, dt):
self.time += dt
self.point_sphere.update(dt)
def draw(self):
eye = np.array([5, 3, 5], dtype=np.float32)
target = np.array([0, 0, 0], dtype=np.float32)
up = np.array([0, 1, 0], dtype=np.float32)
forward = normalize(eye - target)
side = normalize(np.cross(up, forward))
up = normalize(np.cross(forward, side))
view_matrix = np.matrix([
[side[0], up[0], forward[0], 0.],
[side[1], up[1], forward[1], 0.],
[side[2], up[2], forward[2], 0.],
[-np.dot(side, eye), -np.dot(up, eye), -np.dot(forward, eye), 1.],
], dtype=np.float32)
aspect = self.size[0] / float(self.size[1])
projection_matrix = pyrr.matrix44.create_perspective_projection_matrix(60.0, aspect, 0.001, 100)
scale = 2
scale_matrix = pyrr.matrix44.create_from_scale(np.array([scale, scale, scale]))
angle_matrix = pyrr.matrix44.create_from_y_rotation(self.time * 0.01)
position_matrix = pyrr.matrix44.create_from_translation(np.array([0, 0, 0]))
model_matrix = np.dot(np.dot(scale_matrix, angle_matrix), position_matrix)
l_channel = self.audio_frame[:, 0]
r_channel = self.audio_frame[:, 1]
glLineWidth(1)
glClearColor(0, 0, 0, 1)
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
with self.shader:
glUniformMatrix4fv(glGetUniformLocation(self.shader, "v_projection"),
1, False, projection_matrix)
glUniformMatrix4fv(glGetUniformLocation(self.shader, "v_view"),
1, False, view_matrix)
glUniformMatrix4fv(glGetUniformLocation(self.shader, "v_model"),
1, False, model_matrix)
# self.cube.draw()
self.point_sphere.draw()
def resize_callback(self, window, w, h):
super(CubeApp, self).resize_callback(window, w, h)
glViewport(0, 0, w, h)
