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2.1 Parametric 3D Curves: Theory

3D Curve

Curves and surfaces can have explicit, implicit, and parametric representations. Parametric representations are the most common in computer graphics.

Butterfly curve

Example:

EQ

In Fun3D:

x(u) = sin(u)*(exp(cos(u))-2*cos(4*u)-sin(u/12)^5)
y(u) = cos(u)*(exp(cos(u))-2*cos(4*u)-sin(u/12)^5)
z(u) = 0

 

See also:

9.3 Supported functions and syntax