from compas.geometry import Point, Polyline, Bezier
from compas.colors import Color
from compas_view2.app import App
curve = Bezier([[0, 0, 0], [3, 6, 0], [5, -3, 0], [10, 0, 0]])
viewer = App(viewmode="shaded", enable_sidebar=True, width=1600, height=900)
viewer.view.camera.tx = -5.0
viewer.view.camera.rz = 0
viewer.view.camera.rx = -20
pointobj = viewer.add(Point(* curve.point(0)), pointsize=20, pointcolor=(1, 0, 0))
curveobj = viewer.add(Polyline(curve.locus()), linewidth=2)
@viewer.checkbox(text="Show Point", checked=True)
def check(checked):
pointobj.is_visible = checked
viewer.view.update()
@viewer.slider(title="Slide Point", maxval=100, step=1, bgcolor=Color.white())
def slide(value):
value = value / 100
pointobj._data = curve.point(value)
pointobj.update()
viewer.view.update()
@viewer.button(text="Reset")
def click():
if viewer.confirm('This will reset the point to parameter t=0.'):
pointobj._data = curve.point(0)
pointobj.update()
slide.value = 0
viewer.view.update()
@viewer.radio(title='Display', items=[
{'text': 'Ghosted', 'value': 'ghosted', 'checked': viewer.view.mode == 'ghosted'},
{'text': 'Shaded', 'value': 'shaded', 'checked': viewer.view.mode == 'shaded'},
{'text': 'Lighted', 'value': 'lighted', 'checked': viewer.view.mode == 'lighted'},
{'text': 'Wireframe', 'value': 'wireframe', 'checked': viewer.view.mode == 'wireframe'}
])
def select(value):
viewer.view.mode = value
viewer.view.update()
viewer.run()