Vector2Array Curve2D::get_baked_points() const {
if(baked_cache_dirty)
_bake();
return baked_point_cache;
}
float Curve2D::get_baked_length() const {
if (baked_cache_dirty)
_bake();
return baked_max_ofs;
}
RealArray Curve3D::get_baked_tilts() const {
if (baked_cache_dirty)
_bake();
return baked_tilt_cache;
}
Vector2 Curve2D::interpolate_baked(float p_offset,bool p_cubic) const{
if (baked_cache_dirty)
_bake();
//validate//
int pc = baked_point_cache.size();
if (pc==0) {
ERR_EXPLAIN("No points in Curve2D");
ERR_FAIL_COND_V(pc==0,Vector2());
}
if (pc==1)
return baked_point_cache.get(0);
int bpc=baked_point_cache.size();
Vector2Array::Read r = baked_point_cache.read();
if (p_offset<0)
return r[0];
if (p_offset>=baked_max_ofs)
return r[bpc-1];
int idx = Math::floor(p_offset/bake_interval);
float frac = Math::fmod(p_offset,bake_interval);
if (idx>=bpc-1) {
return r[bpc-1];
} else if (idx==bpc-2) {
frac/=Math::fmod(baked_max_ofs,bake_interval);
} else {
frac/=bake_interval;
}
if (p_cubic) {
Vector2 pre = idx>0? r[idx-1] : r[idx];
Vector2 post = (idx<(bpc-2))? r[idx+2] : r[idx+1];
return r[idx].cubic_interpolate(r[idx+1],pre,post,frac);
} else {
return r[idx].linear_interpolate(r[idx+1],frac);
}
}
Vector2 Curve2D::interpolate_baked(float p_offset,bool p_cubic) const{
if(baked_cache_dirty)
_bake();
//validate//
int pc = baked_point_cache.size();
if(pc==0) {
// ERR_EXPLAIN("No points in Curve2D");
return Vector2();
}
if(pc==1)
return baked_point_cache[0];
int bpc=baked_point_cache.size();
if(p_offset<0)
return baked_point_cache[0];
if(p_offset>=baked_max_ofs)
return baked_point_cache[bpc-1];
int idx = floor(p_offset/bake_interval);
float frac = fmod(p_offset,bake_interval);
if(idx>=bpc-1) {
return baked_point_cache[bpc-1];
} else if(idx==bpc-2) {
frac/=fmod(baked_max_ofs,bake_interval);
} else {
frac/=bake_interval;
}
if(p_cubic) {
Vector2 pre = idx>0? baked_point_cache[idx-1] : baked_point_cache[idx];
Vector2 post =(idx<(bpc-2))? baked_point_cache[idx+2] : baked_point_cache[idx+1];
return baked_point_cache[idx].cubic_interpolate(baked_point_cache[idx+1],pre,post,frac);
} else {
return baked_point_cache[idx].linear_interpolate(baked_point_cache[idx+1],frac);
}
}
float Curve3D::interpolate_baked_tilt(float p_offset) const{
if (baked_cache_dirty)
_bake();
//validate//
int pc = baked_tilt_cache.size();
if (pc==0) {
ERR_EXPLAIN("No tilts in Curve3D");
ERR_FAIL_COND_V(pc==0,0);
}
if (pc==1)
return baked_tilt_cache.get(0);
int bpc=baked_tilt_cache.size();
RealArray::Read r = baked_tilt_cache.read();
if (p_offset<0)
return r[0];
if (p_offset>=baked_max_ofs)
return r[bpc-1];
int idx = Math::floor(p_offset/bake_interval);
float frac = Math::fmod(p_offset,bake_interval);
if (idx>=bpc-1) {
return r[bpc-1];
} else if (idx==bpc-2) {
frac/=Math::fmod(baked_max_ofs,bake_interval);
} else {
frac/=bake_interval;
}
return Math::lerp(r[idx],r[idx+1],frac);
}
