compute()

vec2f fl::CirclePath::compute ( float alpha )

overridevirtual

Implements fl::XYPathGenerator.

Definition at line 42 of file xypath_impls.cpp.hpp.

                                                  {
    // α in [0,1] → (x,y) on the unit circle [-1, 1]
    float t = alpha * 2.0f * FL_PI;
    float x = cosf(t);
    float y = sinf(t);
    return vec2f(x, y);
}

References fl::cosf(), fl::FL_NO_EXCEPT, FL_PI, fl::sinf(), fl::t, fl::x, and fl::y.

Here is the call graph for this function: