X-Git-Url: http://git.tdb.fi/?p=libs%2Fvr.git;a=blobdiff_plain;f=source%2Fstereoview.cpp;fp=source%2Fstereoview.cpp;h=95eb847d1b27a862b6d8513f3f122edd0f227058;hp=4586f29d97ee7966ab1fa9104c6c5ed762637ede;hb=932308a72ce197108007681dcc94dd8015a683f5;hpb=d8b7f621f37d8bcad572b06f7288084b5ad6eb8c

diff --git a/source/stereoview.cpp b/source/stereoview.cpp
index 4586f29..95eb847 100644
--- a/source/stereoview.cpp
+++ b/source/stereoview.cpp
@@ -16,6 +16,7 @@ StereoView::StereoView(unsigned w, unsigned h, const GL::Camera &c, const GL::Re
 {
 	set_combiner(m);
 	set_eye_spacing(0.064);
+	set_strabismus(Geometry::Angle<float>::zero());
 }
 
 void StereoView::set_combiner(const StereoCombiner &c)
@@ -33,6 +34,11 @@ void StereoView::set_eye_spacing(float s)
 	eye_spacing = s;
 }
 
+void StereoView::set_strabismus(const Geometry::Angle<float> &s)
+{
+	strabismus = s;
+}
+
 void StereoView::setup_frame() const
 {
 	offset_axis = normalize(cross(base_camera.get_look_direction(), base_camera.get_up_direction()))*0.5f;
@@ -47,6 +53,8 @@ void StereoView::setup_frame() const
 	params.far_clip = base_camera.get_far_clip();
 
 	float frustum_skew = combiner->get_frustum_skew();
+	float halfw = tan(params.fov/2.0f)*params.aspect;
+	frustum_skew = tan(Geometry::atan<float>(frustum_skew*halfw)+strabismus)/halfw;
 
 	left.setup_frame(base_camera, offset_axis*-eye_spacing, frustum_skew, params);
 	right.setup_frame(base_camera, offset_axis*eye_spacing, -frustum_skew, params);