public Matrix4f SetToLookAt(Vector3f pos, Vector3f target, Vector3f up)
{
this.SetToIdentity();
tempVec.Set(target);
tempVec.SubtractStore(pos);
tempVec2.Set(pos);
tempVec2.MultiplyStore(-1);
tmpMat.SetToTranslation(tempVec2);
tmpMat2.SetToLookAt(tempVec, up);
this.Set(tmpMat);
this.MultiplyStore(tmpMat2);
return(this);
}
public BoundingBox Set(Vector3f minimum, Vector3f maximum)
{
min.Set(minimum);
max.Set(maximum);
center.Set(min).AddStore(max).MultiplyStore(0.5f);
extent.Set(maximum);
extent.SubtractStore(minimum);
dimension.Set(max).SubtractStore(min).MultiplyStore(0.5f);
UpdateCorners();
return(this);
}
public Vector3f Unproject(float mouseX, float mouseY)
{
Vector3f vec = new Vector3f();
vec.x = -2f * (mouseX / width);
vec.y = 2f * (mouseY / height);
vec.z = 0f;
vec.MultiplyStore(projMatrix.Invert());
vec.MultiplyStore(viewMatrix.Invert());
vec.SubtractStore(Translation);
return vec;
}
