Drag control points — watch de Casteljau construction animate in real time
Degree
Presets
de Casteljau Animation
t parameter 0.50
Construction point at t=0.50
Anim speed 1.0x
Display
Drag the filled circles (control points) to reshape the curve. The de Casteljau algorithm recursively subdivides the control polygon — watch the orange dot trace the curve at parameter t.