emitOrbitalDots()

void fl::FlowFieldFP::emitOrbitalDots ( s16x16 t )

private

Definition at line 722 of file flowfield.cpp.hpp.

                                          {
    int w = mState.width;
    int h = mState.height;
    int minDim = fl::min(w, h);
    int n = mParams.dot_count;
    constexpr s16x16 half(0.5f);
    constexpr s16x16 two_pi(6.2831853f);
    s16x16 fn = s16x16(n);
    s16x16 inv_fn = s16x16(1) / fn;  // Precompute reciprocal (was dividing per dot)
    s16x16 ocx = s16x16(w) * half - half;
    s16x16 ocy = s16x16(h) * half - half;
    s16x16 orad = s16x16(minDim) * s16x16(0.35f);
    s16x16 base = t * s16x16(3);
    constexpr s16x16 dotDiam(1.5f);
    s16x16 step = two_pi * inv_fn;  // Use precomputed reciprocal
 
    for (int i = 0; i < n; i++) {
        s16x16 a = base + s16x16(i) * step;
        s16x16 sin_a, cos_a;
        s16x16::sincos(a, sin_a, cos_a);
        s16x16 cx = ocx + cos_a * orad;
        s16x16 cy = ocy + sin_a * orad;
        CRGB c = rainbow(t, mColorShift_fp, s16x16(i) * inv_fn);
        drawDot(cx, cy, dotDiam, c.r, c.g, c.b);
    }
}

References drawDot(), mColorShift_fp, fl::min(), fl::FlowField::mParams, mState, rainbow(), fl::s16x16::sincos(), fl::step(), and fl::t.

Referenced by drawImpl().

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