program['u_antialias'] = 1.0
# Polar domains
program['u_major_grid_step'] = np.array([ 1.00, np.pi/6])
program['u_minor_grid_step'] = np.array([ 0.25, np.pi/60])
program['u_limits1'] = -5.1, +5.1, -5.1, +5.1
program['u_limits2'] = 1.0, 5.0, 0*np.pi, 2*np.pi
# Cartesian domains
# program['u_major_grid_step'] = np.array([ 1.00, 1.00])
# program['u_minor_grid_step'] = np.array([ 0.10, 0.10])
# program['u_limits1'] = -5.1, +5.1, -5.1, +5.1
# program['u_limits2'] = -5.0, +5.0, -5.0, +5.0
# Hammer domains
# program['u_major_grid_step'] = np.array([ 1.00, 0.50]) * np.pi/ 6.0
# program['u_minor_grid_step'] = np.array([ 1.00, 0.50]) * np.pi/30.0
# program['u_limits1'] = -3.0, +3.0, -1.5, +1.5
# program['u_limits2'] = -np.pi, +np.pi, -np.pi/3, +np.pi/3
program['transform'] = shaders.get("transforms/polar.glsl")
# program['transform'] = shaders.get("transforms/identity.glsl")
# program['transform'] = shaders.get("transforms/hammer.glsl")
program['trackball'] = Trackball(Position2D("texcoord"))
program['trackball'].theta = 0
program['trackball'].phi = 0
program['trackball'].zoom = 7.5
window.attach(program['trackball'])
app.run()
window = app.Window(width=1024, height=1024, color=(.75, .75, .75, 1))
@window.event
def on_draw(dt):
window.clear()
teapot.draw(gl.GL_TRIANGLES, indices)
@window.event
def on_init():
gl.glEnable(gl.GL_BLEND)
gl.glEnable(gl.GL_DEPTH_TEST)
vertices, indices = primitives.teapot()
vertices["position"] *= 10
teapot = gloo.Program(teapot_vert, teapot_frag)
teapot.bind(vertices)
teapot['texture'] = data.checkerboard()
trackball = Trackball(Position("position"), znear=0.1, zfar=100.0, distance=50)
teapot['transform'] = trackball
trackball.theta = 40
trackball.phi = 135
trackball.zoom = 40
window.attach(teapot['transform'])
app.run()
# program['u_minor_grid_step'] = np.array([ 0.25, np.pi/60])
# program['u_limits1'] = -5.1, +5.1, -5.1, +5.1
# program['u_limits2'] = 1.0, 5.0, 0*np.pi, 2*np.pi
# Cartesian domains
program['u_major_grid_step'] = np.array([1.00, 1.00])
program['u_minor_grid_step'] = np.array([0.10, 0.10])
program['u_limits1'] = -5.1, +5.1, -5.1, +5.1
program['u_limits2'] = -5.0, +5.0, -5.0, +5.0
# Hammer domains
# program['u_major_grid_step'] = np.array([ 1.00, 0.50]) * np.pi/ 6.0
# program['u_minor_grid_step'] = np.array([ 1.00, 0.50]) * np.pi/30.0
# program['u_limits1'] = -3.0, +3.0, -1.5, +1.5
# program['u_limits2'] = -np.pi, +np.pi, -np.pi/3, +np.pi/3
# program['transform'] = shaders.get("transforms/polar.glsl")
# program['transform'] = shaders.get("transforms/hammer.glsl")
program['transform_forward'] = gloo.Snippet(
library.get("transforms/identity_forward.glsl"))
program['transform_inverse'] = gloo.Snippet(
library.get("transforms/identity_inverse.glsl"))
program['trackball'] = Trackball(Position("texcoord"))
program['trackball'].theta = 0
program['trackball'].phi = 0
program['trackball'].zoom = 7.5
window.attach(program['trackball'])
app.run()
framebuffer = gloo.FrameBuffer(color=[accumulation, revealage])
# Three quads
quads = gloo.Program(vert_quads, frag_quads, count=12)
quads["position"] = [(-1, -1, -1), (-1, +1, -1), (+1, -1, -1), (+1, +1, -1),
(-1, -1, 0), (-1, +1, 0), (+1, -1, 0), (+1, +1, 0),
(-1, -1, +1), (-1, +1, +1), (+1, -1, +1), (+1, +1, +1)]
quads["position"] *= 10
quads["color"] = C1, C1, C1, C1, C2, C2, C2, C2, C3, C3, C3, C3
indices = np.zeros((3, 6), dtype=np.uint32)
indices[0] = 0 + np.array([0, 1, 2, 1, 2, 3])
indices[1] = 4 + np.array([0, 1, 2, 1, 2, 3])
indices[2] = 8 + np.array([0, 1, 2, 1, 2, 3])
indices = indices.view(gloo.IndexBuffer)
# Post composition
post = gloo.Program(vert_post, frag_post)
post['tex_accumulation'] = accumulation
post['tex_revealage'] = revealage
post['position'] = [(-1, -1), (-1, 1), (1, -1), (1, 1)]
trackball = Trackball(Position("position"), znear=0.1, zfar=100.0, distance=50)
quads['transform'] = trackball
trackball.theta = 40
trackball.phi = 45
trackball.zoom = 40
window.attach(quads['transform'])
app.run()
framebuffer = gloo.FrameBuffer(color=[accumulation,revealage])
# Three quads
quads = gloo.Program(vert_quads, frag_quads, count=12)
quads["position"] = [ (-1,-1,-1), (-1,+1,-1), (+1,-1,-1), (+1,+1,-1),
(-1,-1, 0), (-1,+1, 0), (+1,-1, 0), (+1,+1, 0),
(-1,-1,+1), (-1,+1,+1), (+1,-1,+1), (+1,+1,+1) ]
quads["position"] *= 10
quads["color"] = C1,C1,C1,C1, C2,C2,C2,C2, C3,C3,C3,C3
indices = np.zeros((3,6),dtype=np.uint32)
indices[0] = 0 + np.array([0,1,2,1,2,3])
indices[1] = 4 + np.array([0,1,2,1,2,3])
indices[2] = 8 + np.array([0,1,2,1,2,3])
indices = indices.view(gloo.IndexBuffer)
# Post composition
post = gloo.Program(vert_post, frag_post)
post['tex_accumulation'] = accumulation
post['tex_revealage'] = revealage
post['position'] = [(-1,-1), (-1,1), (1,-1), (1,1)]
trackball = Trackball(Position("position"), znear=0.1, zfar=100.0, distance=50)
quads['transform'] = trackball
trackball.theta = 40
trackball.phi = 45
trackball.zoom = 40
window.attach(quads['transform'])
app.run()
gl_FragColor = vec4(vec3(texture2D(texture, v_texcoord).r), .25);
}
"""
window = app.Window(width=1024, height=1024, color=(.75,.75,.75,1))
@window.event
def on_draw(dt):
window.clear()
teapot.draw(gl.GL_TRIANGLES, indices)
@window.event
def on_init():
gl.glEnable(gl.GL_BLEND)
gl.glEnable(gl.GL_DEPTH_TEST)
vertices, indices = primitives.teapot()
vertices["position"] *= 10
teapot = gloo.Program(teapot_vert, teapot_frag)
teapot.bind(vertices)
teapot['texture'] = data.checkerboard()
trackball = Trackball(Position("position"), znear=0.1, zfar=100.0, distance=50)
teapot['transform'] = trackball
trackball.theta = 40
trackball.phi = 135
trackball.zoom = 40
window.attach(teapot['transform'])
app.run()
