emitLissajousLine()

void fl::FlowFieldFloat::emitLissajousLine ( float t )

private

Definition at line 235 of file flowfield.cpp.hpp.

                                              {
    int w = (int)getWidth();
    int h = (int)getHeight();
    float cx = (w - 1) * 0.5f;
    float cy = (h - 1) * 0.5f;
    float s = mParams.endpoint_speed;
 
    // Radii scaled from original 32x32 prototype ratios.
    float x1 = cx + cx * 0.742f * sinf(t * s * 1.13f + 0.20f);
    float y1 = cy + cy * 0.677f * sinf(t * s * 1.71f + 1.30f);
    float x2 = cx + cx * 0.774f * sinf(t * s * 1.89f + 2.20f);
    float y2 = cy + cy * 0.710f * sinf(t * s * 1.37f + 0.70f);
 
    drawAALine(x1, y1, x2, y2, t, mParams.color_shift);
 
    CRGB endA = rainbow(t, mParams.color_shift, 0.0f);
    CRGB endB = rainbow(t, mParams.color_shift, 0.5f);
    float discDiam = 1.7f;
    drawDot(x1, y1, discDiam, endA.r, endA.g, endA.b);
    drawDot(x2, y2, discDiam, endB.r, endB.g, endB.b);
}

References drawAALine(), drawDot(), fl::Fx2d::getHeight(), fl::Fx2d::getWidth(), fl::FlowField::mParams, rainbow(), fl::sinf(), and fl::t.

Referenced by drawImpl().

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