INNER CODE UNIT · C++

cosEnd

camila314/gdp · Slerp2D.cpp:16

        cosEnd = -cosEnd;
    }

    if (1.f - dot > 0.0001f) {
        float theta = acosf(dot);
        float sinTheta = sinf(theta);
        weightStart = sinf(theta * (1.f - t)) / sinTheta;
        weightEnd   = sinf(theta * t) / sinTheta;
    } else {
        weightStart = 1.f - t;
        weightEnd   = t;
    }

    float interpSin = (sinStart * weightStart) + (sinEnd * weightEnd);
    float interpCos = (cosStart * weightStart) + (cosEnd * weightEnd);

    double out = atan2(interpSin, interpCos);
    return out + out;

View source record →