INNER CODE UNIT · C++

halfEnd

camila314/gdp · Slerp2D.cpp:3

    float halfEnd   = endAngle * 0.5f;

    float cosStart = cosf(halfStart);
    float sinStart = sinf(halfStart);
    float cosEnd   = cosf(halfEnd);
    float sinEnd   = sinf(halfEnd);

    float dot = (cosStart * cosEnd) + (sinStart * sinEnd);

    float weightStart, weightEnd;
    if (dot < 0.f) {
        dot = -dot;
        sinEnd = -sinEnd;
        cosEnd = -cosEnd;
    }

    if (1.f - dot > 0.0001f) {
        float theta = acosf(dot);

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