immersive-home/app/addons/xr-autohandtracker/visible_handtrack_skeleton.gd

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GDScript3
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2024-05-06 19:22:12 +03:00
extends Node3D
const hjsticks = [ [ OpenXRInterface.HAND_JOINT_WRIST, OpenXRInterface.HAND_JOINT_THUMB_METACARPAL, OpenXRInterface.HAND_JOINT_THUMB_PROXIMAL, OpenXRInterface.HAND_JOINT_THUMB_DISTAL, OpenXRInterface.HAND_JOINT_THUMB_TIP ],
[ OpenXRInterface.HAND_JOINT_WRIST, OpenXRInterface.HAND_JOINT_INDEX_METACARPAL, OpenXRInterface.HAND_JOINT_INDEX_PROXIMAL, OpenXRInterface.HAND_JOINT_INDEX_INTERMEDIATE, OpenXRInterface.HAND_JOINT_INDEX_DISTAL, OpenXRInterface.HAND_JOINT_INDEX_TIP ],
[ OpenXRInterface.HAND_JOINT_WRIST, OpenXRInterface.HAND_JOINT_MIDDLE_METACARPAL, OpenXRInterface.HAND_JOINT_MIDDLE_PROXIMAL, OpenXRInterface.HAND_JOINT_MIDDLE_INTERMEDIATE, OpenXRInterface.HAND_JOINT_MIDDLE_DISTAL, OpenXRInterface.HAND_JOINT_MIDDLE_TIP ],
[ OpenXRInterface.HAND_JOINT_WRIST, OpenXRInterface.HAND_JOINT_RING_METACARPAL, OpenXRInterface.HAND_JOINT_RING_PROXIMAL, OpenXRInterface.HAND_JOINT_RING_INTERMEDIATE, OpenXRInterface.HAND_JOINT_RING_DISTAL, OpenXRInterface.HAND_JOINT_RING_TIP ],
[ OpenXRInterface.HAND_JOINT_WRIST, OpenXRInterface.HAND_JOINT_LITTLE_METACARPAL, OpenXRInterface.HAND_JOINT_LITTLE_PROXIMAL, OpenXRInterface.HAND_JOINT_LITTLE_INTERMEDIATE, OpenXRInterface.HAND_JOINT_LITTLE_DISTAL, OpenXRInterface.HAND_JOINT_LITTLE_TIP ]
]
func _ready():
var sticknode = $ExampleStick
remove_child(sticknode)
var jointnode = $ExampleJoint
remove_child(jointnode)
for j in range(OpenXRInterface.HAND_JOINT_MAX):
var rj = jointnode.duplicate()
rj.name = "J%d" % j
rj.scale = Vector3(0.01, 0.01, 0.01)
add_child(rj)
for hjstick in hjsticks:
for i in range(0, len(hjstick)-1):
var rstick = sticknode.duplicate()
var j1 = hjstick[i]
var j2 = hjstick[i+1]
rstick.name = "S%d_%d" % [j1, j2]
rstick.scale = Vector3(0.01, 0.01, 0.01)
add_child(rstick)
#get_node("J%d" % hjstick[i+1]).get_node("Sphere").visible = (i > 0)
const knuckleradius = 0.01
func updatevisiblehandskeleton(oxrjps, oxrjrot, xrt):
for j in range(OpenXRInterface.HAND_JOINT_MAX):
get_node("J%d" % j).global_transform = Transform3D(xrt.basis*Basis(oxrjrot[j]).scaled(Vector3(knuckleradius, knuckleradius, knuckleradius)), xrt*oxrjps[j])
for hjstick in hjsticks:
for i in range(0, len(hjstick)-1):
var j1 = hjstick[i]
var j2 = hjstick[i+1]
var rstick = get_node("S%d_%d" % [j1, j2])
rstick.global_transform = sticktransformB(xrt*oxrjps[j1], xrt*oxrjps[j2])
const stickradius = 0.01
static func sticktransformB(j1, j2):
var v = j2 - j1
var vlen = v.length()
var b
if vlen != 0:
var vy = v/vlen
var vyunaligned = Vector3(0,1,0) if abs(vy.y) < abs(vy.x) + abs(vy.z) else Vector3(1,0,0)
var vz = vy.cross(vyunaligned)
var vx = vy.cross(vz)
b = Basis(vx*stickradius, v, vz*stickradius)
else:
b = Basis().scaled(Vector3(0.01, 0.0, 0.01))
return Transform3D(b, (j1 + j2)*0.5)