]> git.tdb.fi Git - libs/gl.git/blobdiff - source/animation.cpp
Force some c'tors and d'tors to be emitted in the library
[libs/gl.git] / source / animation.cpp
index 1aa8242aca1eca403d10e3cb33a6f9d9fd8d1bc6..255e63cc8102128299076d345cb99dd8904ca6ed 100644 (file)
@@ -17,6 +17,10 @@ Animation::Animation():
        looping(false)
 { }
 
+// Avoid synthesizing ~RefPtr in files including animation.h
+Animation::~Animation()
+{ }
+
 void Animation::set_armature(const Armature &a)
 {
        armature = &a;
@@ -59,18 +63,17 @@ Animation::AxisInterpolation::AxisInterpolation(const double *axis1, const doubl
 {
        // Compute a normalized vector halfway between the two endpoints
        double half[3];
-       double len = 0;
+       double a1_len = 0;
+       double h_len = 0;
        for(unsigned i=0; i<3; ++i)
        {
                half[i] = (axis1[i]+axis2[i])/2;
-               len += half[i]*half[i];
+               a1_len += axis1[i]*axis1[i];
+               h_len += half[i]*half[i];
        }
-       len = sqrt(len);
-       for(unsigned i=0; i<3; ++i)
-               half[i] /= len;
 
        // Compute correction factors for smooth interpolation
-       double cos_half = axis1[0]*half[0]+axis1[1]*half[1]+axis1[2]*half[2];
+       double cos_half = (axis1[0]*half[0]+axis1[1]*half[1]+axis1[2]*half[2])/sqrt(a1_len*h_len);
        double angle = acos(cos_half);
        slope = (angle ? angle/tan(angle) : 1);
        scale = cos_half;