mirrors/monado
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/monado/monado.git synced 2025-01-16 11:55:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

d/dummy: Make the view move slightly with time

Browse source
This commit is contained in:
Jakob Bornecrantz 2020-10-01 15:50:51 +01:00
parent 9a675cc7f3
commit 9f39410b64
1 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/xrt/drivers/dummy/dummy_hmd.c
View file

@ -42,6 +42,10 @@ struct dummy_hmd
struct xrt_device base;
struct xrt_pose pose;
struct xrt_vec3 center;
uint64_t created_ns;
float diameter_m;
bool print_spew;
bool print_debug;
@ -118,6 +122,14 @@ dummy_hmd_get_tracked_pose(struct xrt_device *xdev,
return;
}
double time_s = time_ns_to_s(at_timestamp_ns - dh->created_ns);
double d = dh->diameter_m;
double d2 = d * 2;
double t = 2.0;
double t2 = t * 2;
dh->pose.position.x = dh->center.x + sin((time_s / t2) * M_PI) * d2 - d;
dh->pose.position.y = dh->center.y + sin((time_s / t) * M_PI) * d;
out_relation->pose = dh->pose;
out_relation->relation_flags = (enum xrt_space_relation_flags)(
XRT_SPACE_RELATION_ORIENTATION_VALID_BIT |
@ -164,6 +176,8 @@ dummy_hmd_create(void)
dh->base.destroy = dummy_hmd_destroy;
dh->base.name = XRT_DEVICE_GENERIC_HMD;
dh->pose.orientation.w = 1.0f; // All other values set to zero.
dh->created_ns = os_monotonic_get_ns();
dh->diameter_m = 0.05;
dh->print_spew = debug_get_bool_option_dummy_spew();
dh->print_debug = debug_get_bool_option_dummy_debug();
@ -193,6 +207,8 @@ dummy_hmd_create(void)
// Setup variable tracker.
u_var_add_root(dh, "Dummy HMD", true);
u_var_add_pose(dh, &dh->pose, "pose");
u_var_add_vec3_f32(dh, &dh->center, "center");
u_var_add_f32(dh, &dh->diameter_m, "diameter_m");
dh->base.hmd->distortion.models = XRT_DISTORTION_MODEL_NONE;
dh->base.hmd->distortion.preferred = XRT_DISTORTION_MODEL_NONE;