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WebXR: Add support for hand tracking

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This commit is contained in:
David Snopek
2024-02-15 14:58:38 -06:00
parent 2fe8f07b6c
commit 7fa8ccd1ed
8 changed files with 182 additions and 26 deletions
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25
modules/webxr/native/library_godot_webxr.js
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@@ -318,9 +318,11 @@ const GodotWebXR = {
// callback don't bubble up here and cause Godot to try the
// next reference space.
window.setTimeout(function () {
const c_str = GodotRuntime.allocString(reference_space_type);
onstarted(c_str);
GodotRuntime.free(c_str);
const reference_space_c_str = GodotRuntime.allocString(reference_space_type);
const enabled_features_c_str = GodotRuntime.allocString(Array.from(session.enabledFeatures).join(","));
onstarted(reference_space_c_str, enabled_features_c_str);
GodotRuntime.free(reference_space_c_str);
GodotRuntime.free(enabled_features_c_str);
}, 0);
}
@@ -479,8 +481,8 @@ const GodotWebXR = {
},
godot_webxr_update_input_source__proxy: 'sync',
godot_webxr_update_input_source__sig: 'iiiiiiiiiiii',
godot_webxr_update_input_source: function (p_input_source_id, r_target_pose, r_target_ray_mode, r_touch_index, r_has_grip_pose, r_grip_pose, r_has_standard_mapping, r_button_count, r_buttons, r_axes_count, r_axes) {
godot_webxr_update_input_source__sig: 'iiiiiiiiiiiiiii',
godot_webxr_update_input_source: function (p_input_source_id, r_target_pose, r_target_ray_mode, r_touch_index, r_has_grip_pose, r_grip_pose, r_has_standard_mapping, r_button_count, r_buttons, r_axes_count, r_axes, r_has_hand_data, r_hand_joints, r_hand_radii) {
if (!GodotWebXR.session || !GodotWebXR.frame) {
return 0;
}
@@ -563,6 +565,19 @@ const GodotWebXR = {
GodotRuntime.setHeapValue(r_button_count, button_count, 'i32');
GodotRuntime.setHeapValue(r_axes_count, axes_count, 'i32');
// Hand tracking data.
let has_hand_data = false;
if (input_source.hand && r_hand_joints != 0 && r_hand_radii != 0) {
const hand_joint_array = new Float32Array(25 * 16);
const hand_radii_array = new Float32Array(25);
if (frame.fillPoses(input_source.hand.values(), space, hand_joint_array) && frame.fillJointRadii(input_source.hand.values(), hand_radii_array)) {
GodotRuntime.heapCopy(HEAPF32, hand_joint_array, r_hand_joints);
GodotRuntime.heapCopy(HEAPF32, hand_radii_array, r_hand_radii);
has_hand_data = true;
}
}
GodotRuntime.setHeapValue(r_has_hand_data, has_hand_data ? 1 : 0, 'i32');
return true;
},