def __init__(self):
app.Canvas.__init__(self)
self.program = oogl.Program(VERT_SHADER, FRAG_SHADER)
# Set uniform and attribute
self.program['a_color'] = oogl.VertexBuffer(v_color)
self.program['a_position'] = oogl.VertexBuffer(v_position)
self.program['a_size'] = oogl.VertexBuffer(v_size)
def init_gl(self):
self.program = oogl.ShaderProgram(
oogl.VertexShader(vertex_shader),
oogl.FragmentShader(fragment_shader),
)
self.vbo = oogl.VertexBuffer(self.data)
def __init__(self):
app.Canvas.__init__(self)
self.geometry = 0, 0, 400, 400
self.program = oogl.ShaderProgram(oogl.VertexShader(VERT_CODE),
oogl.FragmentShader(FRAG_CODE))
# Set attributes
self.program.attributes['a_position'] = oogl.VertexBuffer(positions)
self.program.attributes['a_color'] = oogl.VertexBuffer(colors)
self.init_transforms()
self.timer = app.Timer(1.0 / 60)
self.timer.connect(self.update_transforms)
self.timer.start()
def __init__(self):
app.Canvas.__init__(self)
# Create program
self._program = oogl.Program(VERT_SHADER, FRAG_SHADER)
# Set uniform and attribute
self._program['u_color'] = 0.2, 1.0, 0.4, 1
self._program['a_position'] = oogl.VertexBuffer(vPosition)
def __init__(self, **kwargs):
app.Canvas.__init__(self, **kwargs)
self.geometry = 0, 0, 400, 400
self.program = oogl.Program(VERT_CODE, FRAG_CODE)
# Set attributes
self.program['a_position'] = oogl.VertexBuffer(positions)
self.program['a_texcoord'] = oogl.VertexBuffer(texcoords)
self.program['u_texture'] = oogl.Texture2D(io.crate())
# Handle transformations
self.init_transforms()
self.timer = app.Timer(1.0 / 60)
self.timer.connect(self.update_transforms)
self.timer.start()
def on_paint(self, event):
# Simulate the case where x values on the GPU are between N-1, N+1
# with N very large. Translation back to [-1,1] happens on the GPU
self._position[:, 0] = np.arange(-1, 1, self.dt) + self.translation
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
with self._program as prog:
prog['a_position'] = oogl.VertexBuffer(self._position)
prog['u_translation'] = self.translation
prog['u_scale'] = self.scale
prog.draw_arrays(gl.GL_LINE_STRIP)
def __init__(self):
app.Canvas.__init__(self)
# Time
self._t = time.time()
self._pos = 0.0, 0.0
self._button = None
# Create program
self.program = oogl.Program(VERT_SHADER, FRAG_SHADER)
# Create vertex buffers
self.vbo_position = oogl.VertexBuffer(particles['position'])
self.vbo_color = oogl.VertexBuffer(particles['color'])
self.vbo_size = oogl.VertexBuffer(particles['size'])
# Bind vertex buffers
self.program['color'] = self.vbo_color
self.program['size'] = self.vbo_size
self.program['position'] = self.vbo_position
def __init__(self):
app.Canvas.__init__(self)
self.size = 560, 420
# Create texture to render to
self._rendertex = oogl.Texture2D()
# Create FBO, attach the color buffer and depth buffer
self._fbo = oogl.FrameBuffer(self._rendertex, oogl.RenderBuffer())
# Create program to render a shape
self._program1 = oogl.Program(oogl.VertexShader(VERT_SHADER1),
oogl.FragmentShader(FRAG_SHADER1))
self._program1['u_color'] = 0.9, 1.0, 0.4, 1
self._program1['a_position'] = oogl.VertexBuffer(vPosition)
# Create program to render FBO result
self._program2 = oogl.Program(oogl.VertexShader(VERT_SHADER2),
oogl.FragmentShader(FRAG_SHADER2))
self._program2['a_position'] = oogl.VertexBuffer(vPosition)
self._program2['a_texcoord'] = oogl.VertexBuffer(vTexcoord)
self._program2['u_texture1'] = self._rendertex
def __init__(self):
app.Canvas.__init__(self)
self.position = (200, 100)
self.size = (800, 500)
self._program = oogl.Program(VERT_SHADER, FRAG_SHADER)
self.dt = 1./1000
self.n = 2000
self._position = np.zeros((self.n, 2))
self._position[:, 1] = .25 * np.random.randn(self.n)
prog = self._program
prog['a_position'] = oogl.VertexBuffer(self._position)
prog['u_translation'] = self.translation
prog['u_scale'] = self.scale
def __init__(self):
app.Canvas.__init__(self)
self.program = oogl.Program(VERT_SHADER, FRAG_SHADER)
# Set uniform and attribute
self.program['a_id'] = oogl.VertexBuffer(a_id)
self.program['a_position'] = oogl.VertexBuffer(a_position)
self.view = np.eye(4, dtype=np.float32)
self.model = np.eye(4, dtype=np.float32)
self.projection = np.eye(4, dtype=np.float32)
self.translate = 5
translate(self.view, 0, 0, -self.translate)
self.program['u_model'] = self.model
self.program['u_view'] = self.view
self.theta = 0
self.phi = 0
self.timer = app.Timer(1.0 / 60)
self.timer.connect(self.on_timer)
def __init__(self):
app.Canvas.__init__(self)
# Create program
self._program = oogl.Program(VERT_SHADER, FRAG_SHADER)
# Create vertex buffer
self._vbo = oogl.VertexBuffer(vertex_data)
# Set uniforms, samplers, attributes
# We create one VBO with all vertex data (array of structures)
# and create two views from it for the attributes.
self._program['texture1'] = oogl.Texture2D(im1)
self._program.set_vars(self._vbo) # This does:
def on_resize(self, event):
width, height = event.size
gl.glViewport(0, 0, width, height)
self.projection = ortho( 0, width, 0, height, -100, 100 )
self.program['u_projection'] = self.projection
# Compute thje new size of the quad
r = width/float(height)
R = W/float(H)
if r < R:
w,h = width, width/R
x,y = 0, int((height-h)/2)
else:
w,h = height*R, height
x,y = int((width-w)/2), 0
data['a_position'] = np.array([[x, y], [x+w, y], [x, y+h], [x+w, y+h]])
self.program.set_vars(oogl.VertexBuffer(data))
def __init__(self):
app.Canvas.__init__(self)
self.geometry = 0, 0, 400, 400
# Create program
self._program = oogl.ShaderProgram(oogl.VertexShader(VERT_SHADER),
oogl.FragmentShader(FRAG_SHADER))
# Create vbo
self._vbo = oogl.VertexBuffer(vertex_data)
# Set uniforms, samplers, attributes
self._program.attributes.update(self._vbo)
self._program.uniforms['s_texture'] = oogl.Texture2D(im1)
# Create first explosion
self._new_explosion()
def __init__(self):
app.Canvas.__init__(self)
self.size = W*5,H*5
self.program = oogl.Program(VERT_SHADER, FRAG_SHADER)
self.texture = oogl.Texture2D(I)
self.texture.set_filter(gl.GL_NEAREST, gl.GL_NEAREST)
self.program['u_texture'] = self.texture
self.program.set_vars(oogl.VertexBuffer(data))
self.view = np.eye(4,dtype=np.float32)
self.model = np.eye(4,dtype=np.float32)
self.projection = np.eye(4,dtype=np.float32)
self.program['u_model'] = self.model
self.program['u_view'] = self.view
self.projection = ortho(0, W, 0, H, -1, 1)
self.program['u_projection'] = self.projection
def __init__(self):
app.Canvas.__init__(self)
self.size = 800, 600
self.vertices, self.filled, self.outline = cube()
self.program = oogl.Program(vert, frag)
self.program.set_vars(oogl.VertexBuffer(self.vertices))
self.view = np.eye(4, dtype=np.float32)
self.model = np.eye(4, dtype=np.float32)
self.projection = np.eye(4, dtype=np.float32)
translate(self.view, 0, 0, -5)
self.program['u_model'] = self.model
self.program['u_view'] = self.view
self.theta = 0
self.phi = 0
self._timer = app.Timer(1.0 / 60)
self._timer.connect(self.on_timer)
self._timer.start()
def __init__(self):
app.Canvas.__init__(self)
# Create program
self._program = oogl.Program( VERT_SHADER, FRAG_SHADER)
# Creat FBO
self._fbo = oogl.FrameBuffer()
self._fbo.attach_depth(oogl.RenderBuffer(im1.shape))
# Create vbo
self._vbo = oogl.VertexBuffer(vertex_data)
# Create textures
self._tex1 = oogl.Texture2D(im1)
self._tex2 = oogl.Texture2D(im1.shape)
for tex in (self._tex1, self._tex2):
tex.set_filter('NEAREST', 'NEAREST')
# Set uniforms and attributes
self._program.set_vars(self._vbo)
self._program['u_texsize'] = im1.shape[1], im1.shape[0]
def update_buffers(self):
self.width_max = self.data['width'].max()
self.vbo = oogl.VertexBuffer(self.data)
