Add SDF shader for hand
This commit is contained in:
parent
b81b667a97
commit
3b28f1c5a5
349
demo/main.tscn
349
demo/main.tscn
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@ -8,216 +8,217 @@
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[ext_resource type="Script" path="res://scripts/ImagePuller.gd" id="4_sgil3"]
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[ext_resource type="Script" path="res://scripts/DebugHands.gd" id="8_uah46"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_60p2w"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_g7ckt"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_7lbi6"]
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width = 0.261
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[sub_resource type="UltraleapBone" id="UltraleapBone_0iy1e"]
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width = 2.31263e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_0g2ik"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_slmmg"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_vvs30"]
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width = 2.04212e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_dgpni"]
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metacarpal = SubResource("UltraleapBone_0g2ik")
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proximal = SubResource("UltraleapBone_slmmg")
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intermediate = SubResource("UltraleapBone_0iy1e")
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distal = SubResource("UltraleapBone_7lbi6")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_m2fa6"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_dh8l7"]
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width = nan
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[sub_resource type="UltraleapBone" id="UltraleapBone_3bkj7"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_1hy65"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_g2u7t"]
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metacarpal = SubResource("UltraleapBone_3bkj7")
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proximal = SubResource("UltraleapBone_1hy65")
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intermediate = SubResource("UltraleapBone_dh8l7")
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distal = SubResource("UltraleapBone_m2fa6")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_0lyh1"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_iipxn"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_3sia7"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_yi4b4"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_5vnu5"]
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metacarpal = SubResource("UltraleapBone_3sia7")
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proximal = SubResource("UltraleapBone_yi4b4")
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intermediate = SubResource("UltraleapBone_iipxn")
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distal = SubResource("UltraleapBone_0lyh1")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_hwbxs"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_sdraq"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_4hpny"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_db8j3"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_1cy2n"]
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metacarpal = SubResource("UltraleapBone_4hpny")
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proximal = SubResource("UltraleapBone_db8j3")
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intermediate = SubResource("UltraleapBone_sdraq")
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distal = SubResource("UltraleapBone_hwbxs")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_4irm2"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_pvipj"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_7gldd"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_eeydk"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_xrujr"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_5tsc5"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_j5gje"]
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width = 2.04212e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_dpgkm"]
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metacarpal = SubResource("UltraleapBone_xrujr")
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proximal = SubResource("UltraleapBone_5tsc5")
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intermediate = SubResource("UltraleapBone_7gldd")
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distal = SubResource("UltraleapBone_4irm2")
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_gy2sj"]
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metacarpal = SubResource("UltraleapBone_eeydk")
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proximal = SubResource("UltraleapBone_j5gje")
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intermediate = SubResource("UltraleapBone_pvipj")
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distal = SubResource("UltraleapBone_vvs30")
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is_extended = true
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[sub_resource type="UltraleapPalm" id="UltraleapPalm_hqs0c"]
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[sub_resource type="UltraleapHand" id="UltraleapHand_bw4r0"]
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thumb = SubResource("UltraleapDigit_dgpni")
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index = SubResource("UltraleapDigit_g2u7t")
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middle = SubResource("UltraleapDigit_5vnu5")
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ring = SubResource("UltraleapDigit_1cy2n")
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pinky = SubResource("UltraleapDigit_dpgkm")
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arm = SubResource("UltraleapBone_60p2w")
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palm = SubResource("UltraleapPalm_hqs0c")
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digits = [SubResource("UltraleapDigit_dgpni"), SubResource("UltraleapDigit_g2u7t"), SubResource("UltraleapDigit_5vnu5"), SubResource("UltraleapDigit_1cy2n"), SubResource("UltraleapDigit_dpgkm")]
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[sub_resource type="UltraleapBone" id="UltraleapBone_s01d6"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_mphv6"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_fl41v"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_3vpae"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_62u62"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_amdaf"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_5qail"]
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width = 2.31929e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_y1mkw"]
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metacarpal = SubResource("UltraleapBone_62u62")
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proximal = SubResource("UltraleapBone_5qail")
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intermediate = SubResource("UltraleapBone_fl41v")
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distal = SubResource("UltraleapBone_mphv6")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_58x2k"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_y3f0w"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_32l3n"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_nndgs"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_gfpy2"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_hd1bc"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_p7xdm"]
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metacarpal = SubResource("UltraleapBone_nndgs")
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proximal = SubResource("UltraleapBone_hd1bc")
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intermediate = SubResource("UltraleapBone_y3f0w")
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distal = SubResource("UltraleapBone_58x2k")
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_c3wev"]
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metacarpal = SubResource("UltraleapBone_32l3n")
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proximal = SubResource("UltraleapBone_gfpy2")
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intermediate = SubResource("UltraleapBone_amdaf")
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distal = SubResource("UltraleapBone_3vpae")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_vdu7e"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_k02ek"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_5cnaf"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_3d1ka"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_ueya3"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_ni8yl"]
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metacarpal = SubResource("UltraleapBone_3d1ka")
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proximal = SubResource("UltraleapBone_ueya3")
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intermediate = SubResource("UltraleapBone_5cnaf")
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distal = SubResource("UltraleapBone_k02ek")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_t87m1"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_1d67u"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_7y6jv"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_isges"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_7m3vc"]
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width = 2.31929e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_wmc47"]
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metacarpal = SubResource("UltraleapBone_7y6jv")
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proximal = SubResource("UltraleapBone_isges")
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intermediate = SubResource("UltraleapBone_1d67u")
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distal = SubResource("UltraleapBone_t87m1")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_a68r5"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_0nugs"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_dlhn3"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_acunq"]
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width = 4.62428e-44
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[sub_resource type="UltraleapBone" id="UltraleapBone_1ilym"]
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width = 2.04212e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_6bnci"]
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metacarpal = SubResource("UltraleapBone_a68r5")
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proximal = SubResource("UltraleapBone_dlhn3")
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intermediate = SubResource("UltraleapBone_7m3vc")
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distal = SubResource("UltraleapBone_vdu7e")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_8ykej"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_tkh6a"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_8g6cu"]
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metacarpal = SubResource("UltraleapBone_1ilym")
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proximal = SubResource("UltraleapBone_8ykej")
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intermediate = SubResource("UltraleapBone_acunq")
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distal = SubResource("UltraleapBone_0nugs")
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is_extended = false
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[sub_resource type="UltraleapBone" id="UltraleapBone_q8674"]
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[sub_resource type="UltraleapPalm" id="UltraleapPalm_5afam"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_n0ppa"]
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[sub_resource type="UltraleapHand" id="UltraleapHand_1qku5"]
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thumb = SubResource("UltraleapDigit_gy2sj")
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index = SubResource("UltraleapDigit_c3wev")
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middle = SubResource("UltraleapDigit_ni8yl")
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ring = SubResource("UltraleapDigit_wmc47")
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pinky = SubResource("UltraleapDigit_8g6cu")
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arm = SubResource("UltraleapBone_g7ckt")
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palm = SubResource("UltraleapPalm_5afam")
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digits = [SubResource("UltraleapDigit_gy2sj"), SubResource("UltraleapDigit_c3wev"), SubResource("UltraleapDigit_ni8yl"), SubResource("UltraleapDigit_wmc47"), SubResource("UltraleapDigit_8g6cu")]
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[sub_resource type="UltraleapBone" id="UltraleapBone_t34vi"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_q0b40"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_lfuwv"]
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metacarpal = SubResource("UltraleapBone_n0ppa")
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proximal = SubResource("UltraleapBone_t34vi")
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intermediate = SubResource("UltraleapBone_q8674")
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distal = SubResource("UltraleapBone_tkh6a")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_7asb2"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_mxu8u"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_77br3"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_x68su"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_coec7"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_j05bx"]
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width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_ecdio"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_ugr3j"]
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_of323"]
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metacarpal = SubResource("UltraleapBone_coec7")
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proximal = SubResource("UltraleapBone_ecdio")
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intermediate = SubResource("UltraleapBone_77br3")
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distal = SubResource("UltraleapBone_7asb2")
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_h045l"]
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metacarpal = SubResource("UltraleapBone_j05bx")
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proximal = SubResource("UltraleapBone_ugr3j")
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intermediate = SubResource("UltraleapBone_x68su")
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distal = SubResource("UltraleapBone_mxu8u")
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is_extended = true
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[sub_resource type="UltraleapPalm" id="UltraleapPalm_sil3o"]
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[sub_resource type="UltraleapBone" id="UltraleapBone_sjehr"]
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width = 2.04212e-37
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[sub_resource type="UltraleapHand" id="UltraleapHand_uv62d"]
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type = 523932736
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visible_time = 576683680
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pinch_distance = 2.90069e-18
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pinch_strength = 3.07243e-34
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thumb = SubResource("UltraleapDigit_y1mkw")
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index = SubResource("UltraleapDigit_p7xdm")
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middle = SubResource("UltraleapDigit_6bnci")
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ring = SubResource("UltraleapDigit_lfuwv")
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pinky = SubResource("UltraleapDigit_of323")
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arm = SubResource("UltraleapBone_s01d6")
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palm = SubResource("UltraleapPalm_sil3o")
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digits = [SubResource("UltraleapDigit_y1mkw"), SubResource("UltraleapDigit_p7xdm"), SubResource("UltraleapDigit_6bnci"), SubResource("UltraleapDigit_lfuwv"), SubResource("UltraleapDigit_of323")]
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||||
[sub_resource type="UltraleapBone" id="UltraleapBone_svvw1"]
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width = 2.31929e-37
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[sub_resource type="UltraleapFrame" id="UltraleapFrame_u8pm8"]
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left_hand = SubResource("UltraleapHand_bw4r0")
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||||
right_hand = SubResource("UltraleapHand_uv62d")
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||||
[sub_resource type="UltraleapBone" id="UltraleapBone_s0h4g"]
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width = 2.04212e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_0dir3"]
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width = 2.04212e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_l437w"]
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metacarpal = SubResource("UltraleapBone_s0h4g")
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proximal = SubResource("UltraleapBone_0dir3")
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intermediate = SubResource("UltraleapBone_svvw1")
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distal = SubResource("UltraleapBone_sjehr")
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is_extended = true
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[sub_resource type="UltraleapBone" id="UltraleapBone_ie81l"]
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||||
width = 2.31929e-37
|
||||
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||||
[sub_resource type="UltraleapBone" id="UltraleapBone_n2p57"]
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||||
width = 2.31929e-37
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[sub_resource type="UltraleapBone" id="UltraleapBone_xoonb"]
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width = 2.04212e-37
|
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[sub_resource type="UltraleapBone" id="UltraleapBone_mfnja"]
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width = 2.04212e-37
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[sub_resource type="UltraleapDigit" id="UltraleapDigit_nxxyv"]
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metacarpal = SubResource("UltraleapBone_xoonb")
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||||
proximal = SubResource("UltraleapBone_mfnja")
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||||
intermediate = SubResource("UltraleapBone_n2p57")
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||||
distal = SubResource("UltraleapBone_ie81l")
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||||
is_extended = true
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||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_nr6ib"]
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||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_ifofg"]
|
||||
|
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[sub_resource type="UltraleapBone" id="UltraleapBone_v04hn"]
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width = 2.04212e-37
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||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_0damx"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_wkjrw"]
|
||||
metacarpal = SubResource("UltraleapBone_v04hn")
|
||||
proximal = SubResource("UltraleapBone_0damx")
|
||||
intermediate = SubResource("UltraleapBone_ifofg")
|
||||
distal = SubResource("UltraleapBone_nr6ib")
|
||||
is_extended = true
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_yfn1t"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_tfvvi"]
|
||||
width = 2.31929e-37
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_6onis"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_wvhs1"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_wqpjp"]
|
||||
metacarpal = SubResource("UltraleapBone_6onis")
|
||||
proximal = SubResource("UltraleapBone_wvhs1")
|
||||
intermediate = SubResource("UltraleapBone_tfvvi")
|
||||
distal = SubResource("UltraleapBone_yfn1t")
|
||||
is_extended = true
|
||||
|
||||
[sub_resource type="UltraleapPalm" id="UltraleapPalm_ne27h"]
|
||||
|
||||
[sub_resource type="UltraleapHand" id="UltraleapHand_6yce5"]
|
||||
type = 563041008
|
||||
visible_time = 617206064
|
||||
pinch_distance = 1.62381e-31
|
||||
pinch_strength = 4.5141e-34
|
||||
thumb = SubResource("UltraleapDigit_h045l")
|
||||
index = SubResource("UltraleapDigit_l437w")
|
||||
middle = SubResource("UltraleapDigit_nxxyv")
|
||||
ring = SubResource("UltraleapDigit_wkjrw")
|
||||
pinky = SubResource("UltraleapDigit_wqpjp")
|
||||
arm = SubResource("UltraleapBone_q0b40")
|
||||
palm = SubResource("UltraleapPalm_ne27h")
|
||||
digits = [SubResource("UltraleapDigit_h045l"), SubResource("UltraleapDigit_l437w"), SubResource("UltraleapDigit_nxxyv"), SubResource("UltraleapDigit_wkjrw"), SubResource("UltraleapDigit_wqpjp")]
|
||||
|
||||
[sub_resource type="UltraleapFrame" id="UltraleapFrame_h1nox"]
|
||||
left_hand = SubResource("UltraleapHand_1qku5")
|
||||
right_hand = SubResource("UltraleapHand_6yce5")
|
||||
|
||||
[sub_resource type="ShaderMaterial" id="ShaderMaterial_a0ntw"]
|
||||
shader = ExtResource("2_2055g")
|
||||
|
|
@ -437,7 +438,7 @@ rings = 4
|
|||
|
||||
[sub_resource type="CapsuleMesh" id="CapsuleMesh_2kqg1"]
|
||||
material = SubResource("StandardMaterial3D_crn3t")
|
||||
radius = 0.00734281
|
||||
radius = 0.0073428
|
||||
height = 0.0146856
|
||||
radial_segments = 8
|
||||
rings = 4
|
||||
|
|
@ -590,7 +591,7 @@ rings = 4
|
|||
|
||||
[sub_resource type="CapsuleMesh" id="CapsuleMesh_nnsu1"]
|
||||
material = SubResource("StandardMaterial3D_u1n1q")
|
||||
radius = 0.00811001
|
||||
radius = 0.00811
|
||||
height = 0.01622
|
||||
radial_segments = 8
|
||||
rings = 4
|
||||
|
|
@ -626,7 +627,7 @@ rings = 4
|
|||
|
||||
[sub_resource type="CapsuleMesh" id="CapsuleMesh_mtm4i"]
|
||||
material = SubResource("StandardMaterial3D_jt6xy")
|
||||
radius = 0.00708436
|
||||
radius = 0.00708435
|
||||
height = 0.0141687
|
||||
radial_segments = 8
|
||||
rings = 4
|
||||
|
|
@ -634,7 +635,7 @@ rings = 4
|
|||
[node name="Node3d" type="Node3D"]
|
||||
|
||||
[node name="UltraleapHandTracking" type="UltraleapHandTracking" parent="."]
|
||||
last_frame = SubResource("UltraleapFrame_u8pm8")
|
||||
last_frame = SubResource("UltraleapFrame_h1nox")
|
||||
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.0572538, 0.0773736, 0.281333)
|
||||
script = ExtResource("1_pwqvd")
|
||||
|
||||
|
|
@ -666,7 +667,6 @@ size_flags_vertical = 3
|
|||
theme_override_constants/separation = 0
|
||||
|
||||
[node name="TextureRect" type="TextureRect" parent="CanvasLayer/HBoxContainer" node_paths=PackedStringArray("tracker")]
|
||||
layout_mode = 2
|
||||
offset_right = 576.0
|
||||
offset_bottom = 648.0
|
||||
size_flags_horizontal = 3
|
||||
|
|
@ -678,7 +678,6 @@ img = SubResource("Image_nymqy")
|
|||
data_img = SubResource("Image_an1lj")
|
||||
|
||||
[node name="TextureRect2" type="TextureRect" parent="CanvasLayer/HBoxContainer" node_paths=PackedStringArray("tracker")]
|
||||
layout_mode = 2
|
||||
offset_left = 576.0
|
||||
offset_right = 1152.0
|
||||
offset_bottom = 648.0
|
||||
|
|
|
|||
36
demo/materials/RayMarching.tres
Normal file
36
demo/materials/RayMarching.tres
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://d18vxmfysiyw8"]
|
||||
|
||||
[ext_resource type="Shader" path="res://shaders/RayMarching.gdshader" id="1_713ba"]
|
||||
|
||||
[resource]
|
||||
render_priority = 0
|
||||
shader = ExtResource("1_713ba")
|
||||
shader_parameter/colour = Color(1, 1, 1, 1)
|
||||
shader_parameter/disable_threshold = null
|
||||
shader_parameter/epsilon = 0.03
|
||||
shader_parameter/left_hand_bones_basis = PackedFloat32Array()
|
||||
shader_parameter/left_hand_bones_length = PackedVector3Array()
|
||||
shader_parameter/left_hand_bones_offset = PackedVector3Array()
|
||||
shader_parameter/left_hand_bones_width = PackedVector3Array()
|
||||
shader_parameter/left_index_distal = null
|
||||
shader_parameter/left_index_intermediate = null
|
||||
shader_parameter/left_index_metacarpal = null
|
||||
shader_parameter/left_index_proximal = null
|
||||
shader_parameter/left_middle_distal = null
|
||||
shader_parameter/left_middle_intermediate = null
|
||||
shader_parameter/left_middle_metacarpal = null
|
||||
shader_parameter/left_middle_proximal = null
|
||||
shader_parameter/left_pinky_distal = null
|
||||
shader_parameter/left_pinky_intermediate = null
|
||||
shader_parameter/left_pinky_metacarpal = null
|
||||
shader_parameter/left_pinky_proximal = null
|
||||
shader_parameter/left_ring_distal = null
|
||||
shader_parameter/left_ring_intermediate = null
|
||||
shader_parameter/left_ring_metacarpal = null
|
||||
shader_parameter/left_ring_proximal = null
|
||||
shader_parameter/left_thumb_distal = null
|
||||
shader_parameter/left_thumb_intermediate = null
|
||||
shader_parameter/left_thumb_metacarpal = null
|
||||
shader_parameter/left_thumb_proximal = null
|
||||
shader_parameter/max_iterations = null
|
||||
shader_parameter/threshold = null
|
||||
226
demo/scenes/RayMarchingHands.tscn
Normal file
226
demo/scenes/RayMarchingHands.tscn
Normal file
|
|
@ -0,0 +1,226 @@
|
|||
[gd_scene load_steps=66 format=3 uid="uid://b7vwxs7054ms1"]
|
||||
|
||||
[ext_resource type="Material" uid="uid://d18vxmfysiyw8" path="res://materials/RayMarching.tres" id="1_f82w7"]
|
||||
[ext_resource type="Script" path="res://scripts/HandSDFShader.gd" id="2_37vri"]
|
||||
[ext_resource type="Script" path="res://scripts/Starter.gd" id="3_6705f"]
|
||||
[ext_resource type="Script" path="res://scripts/FreeLookCamera.gd" id="4_g4jax"]
|
||||
|
||||
[sub_resource type="BoxMesh" id="BoxMesh_pxd2x"]
|
||||
material = ExtResource("1_f82w7")
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_2l76v"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_eew4g"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_v6usb"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_nk21h"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_sby5b"]
|
||||
width = 4.2039e-45
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_hibh1"]
|
||||
metacarpal = SubResource("UltraleapBone_nk21h")
|
||||
proximal = SubResource("UltraleapBone_sby5b")
|
||||
intermediate = SubResource("UltraleapBone_v6usb")
|
||||
distal = SubResource("UltraleapBone_eew4g")
|
||||
is_extended = false
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_jnno7"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_8qujs"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_y0xqs"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_w16ba"]
|
||||
width = 8.05994e-19
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_iyv5o"]
|
||||
metacarpal = SubResource("UltraleapBone_y0xqs")
|
||||
proximal = SubResource("UltraleapBone_w16ba")
|
||||
intermediate = SubResource("UltraleapBone_8qujs")
|
||||
distal = SubResource("UltraleapBone_jnno7")
|
||||
is_extended = false
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_3s20u"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_5ydts"]
|
||||
width = 2.55162e-19
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_1p3a6"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_oipwo"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_4ntn8"]
|
||||
metacarpal = SubResource("UltraleapBone_1p3a6")
|
||||
proximal = SubResource("UltraleapBone_oipwo")
|
||||
intermediate = SubResource("UltraleapBone_5ydts")
|
||||
distal = SubResource("UltraleapBone_3s20u")
|
||||
is_extended = true
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_10fyy"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_bcdvq"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_02y2j"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_w3q0o"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_g5x3p"]
|
||||
metacarpal = SubResource("UltraleapBone_02y2j")
|
||||
proximal = SubResource("UltraleapBone_w3q0o")
|
||||
intermediate = SubResource("UltraleapBone_bcdvq")
|
||||
distal = SubResource("UltraleapBone_10fyy")
|
||||
is_extended = false
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_d0jld"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_c1cw0"]
|
||||
width = 9.87375e-17
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_phw0a"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_4ui8e"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_o6vgg"]
|
||||
metacarpal = SubResource("UltraleapBone_phw0a")
|
||||
proximal = SubResource("UltraleapBone_4ui8e")
|
||||
intermediate = SubResource("UltraleapBone_c1cw0")
|
||||
distal = SubResource("UltraleapBone_d0jld")
|
||||
is_extended = false
|
||||
|
||||
[sub_resource type="UltraleapPalm" id="UltraleapPalm_rp1bo"]
|
||||
|
||||
[sub_resource type="UltraleapHand" id="UltraleapHand_wavde"]
|
||||
thumb = SubResource("UltraleapDigit_hibh1")
|
||||
index = SubResource("UltraleapDigit_iyv5o")
|
||||
middle = SubResource("UltraleapDigit_4ntn8")
|
||||
ring = SubResource("UltraleapDigit_g5x3p")
|
||||
pinky = SubResource("UltraleapDigit_o6vgg")
|
||||
arm = SubResource("UltraleapBone_2l76v")
|
||||
palm = SubResource("UltraleapPalm_rp1bo")
|
||||
digits = [SubResource("UltraleapDigit_hibh1"), SubResource("UltraleapDigit_iyv5o"), SubResource("UltraleapDigit_4ntn8"), SubResource("UltraleapDigit_g5x3p"), SubResource("UltraleapDigit_o6vgg")]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_lmcgi"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_itfn3"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_2514y"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_ylxo6"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_qd38w"]
|
||||
width = 1.39237e-18
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_m6m2q"]
|
||||
metacarpal = SubResource("UltraleapBone_ylxo6")
|
||||
proximal = SubResource("UltraleapBone_qd38w")
|
||||
intermediate = SubResource("UltraleapBone_2514y")
|
||||
distal = SubResource("UltraleapBone_itfn3")
|
||||
is_extended = true
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_b8lug"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_15o1s"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_idqwc"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_r56ns"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_d8q8v"]
|
||||
metacarpal = SubResource("UltraleapBone_idqwc")
|
||||
proximal = SubResource("UltraleapBone_r56ns")
|
||||
intermediate = SubResource("UltraleapBone_15o1s")
|
||||
distal = SubResource("UltraleapBone_b8lug")
|
||||
is_extended = true
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_owdnc"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_2bqht"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_eoj1u"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_0yvgb"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_xb0no"]
|
||||
metacarpal = SubResource("UltraleapBone_eoj1u")
|
||||
proximal = SubResource("UltraleapBone_0yvgb")
|
||||
intermediate = SubResource("UltraleapBone_2bqht")
|
||||
distal = SubResource("UltraleapBone_owdnc")
|
||||
is_extended = false
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_r8wa3"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_end5x"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_s6ukd"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_n4d73"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_0re2c"]
|
||||
metacarpal = SubResource("UltraleapBone_s6ukd")
|
||||
proximal = SubResource("UltraleapBone_n4d73")
|
||||
intermediate = SubResource("UltraleapBone_end5x")
|
||||
distal = SubResource("UltraleapBone_r8wa3")
|
||||
is_extended = true
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_5hltt"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_3nqdn"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_yhuix"]
|
||||
|
||||
[sub_resource type="UltraleapBone" id="UltraleapBone_x1j70"]
|
||||
|
||||
[sub_resource type="UltraleapDigit" id="UltraleapDigit_7ns81"]
|
||||
metacarpal = SubResource("UltraleapBone_yhuix")
|
||||
proximal = SubResource("UltraleapBone_x1j70")
|
||||
intermediate = SubResource("UltraleapBone_3nqdn")
|
||||
distal = SubResource("UltraleapBone_5hltt")
|
||||
is_extended = false
|
||||
|
||||
[sub_resource type="UltraleapPalm" id="UltraleapPalm_f4uay"]
|
||||
width = 2.30713e-18
|
||||
|
||||
[sub_resource type="UltraleapHand" id="UltraleapHand_gecac"]
|
||||
thumb = SubResource("UltraleapDigit_m6m2q")
|
||||
index = SubResource("UltraleapDigit_d8q8v")
|
||||
middle = SubResource("UltraleapDigit_xb0no")
|
||||
ring = SubResource("UltraleapDigit_0re2c")
|
||||
pinky = SubResource("UltraleapDigit_7ns81")
|
||||
arm = SubResource("UltraleapBone_lmcgi")
|
||||
palm = SubResource("UltraleapPalm_f4uay")
|
||||
digits = [SubResource("UltraleapDigit_m6m2q"), SubResource("UltraleapDigit_d8q8v"), SubResource("UltraleapDigit_xb0no"), SubResource("UltraleapDigit_0re2c"), SubResource("UltraleapDigit_7ns81")]
|
||||
|
||||
[sub_resource type="UltraleapFrame" id="UltraleapFrame_pimlo"]
|
||||
left_hand = SubResource("UltraleapHand_wavde")
|
||||
right_hand = SubResource("UltraleapHand_gecac")
|
||||
|
||||
[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_rkcie"]
|
||||
|
||||
[sub_resource type="Sky" id="Sky_xnkye"]
|
||||
sky_material = SubResource("ProceduralSkyMaterial_rkcie")
|
||||
|
||||
[sub_resource type="Environment" id="Environment_5xgn3"]
|
||||
background_mode = 2
|
||||
sky = SubResource("Sky_xnkye")
|
||||
|
||||
[node name="RayMarchingHands" type="Node3D"]
|
||||
|
||||
[node name="MeshInstance3D" type="MeshInstance3D" parent="." node_paths=PackedStringArray("tracker")]
|
||||
mesh = SubResource("BoxMesh_pxd2x")
|
||||
script = ExtResource("2_37vri")
|
||||
tracker = NodePath("../UltraleapHandTracking")
|
||||
|
||||
[node name="UltraleapHandTracking" type="UltraleapHandTracking" parent="."]
|
||||
last_frame = SubResource("UltraleapFrame_pimlo")
|
||||
script = ExtResource("3_6705f")
|
||||
|
||||
[node name="Camera3D" type="Camera3D" parent="."]
|
||||
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1.94971)
|
||||
script = ExtResource("4_g4jax")
|
||||
|
||||
[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
|
||||
|
||||
[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
|
||||
environment = SubResource("Environment_5xgn3")
|
||||
113
demo/scripts/FreeLookCamera.gd
Normal file
113
demo/scripts/FreeLookCamera.gd
Normal file
|
|
@ -0,0 +1,113 @@
|
|||
extends Camera3D
|
||||
|
||||
# Modifier keys' speed multiplier
|
||||
const SHIFT_MULTIPLIER = 2.5
|
||||
const ALT_MULTIPLIER = 1.0 / SHIFT_MULTIPLIER
|
||||
|
||||
@export var sensitivity : float = 0.25
|
||||
|
||||
# Mouse state
|
||||
var _mouse_position = Vector2(0.0, 0.0)
|
||||
var _total_pitch = 0.0
|
||||
|
||||
# Movement state
|
||||
var _direction = Vector3(0.0, 0.0, 0.0)
|
||||
var _velocity = Vector3(0.0, 0.0, 0.0)
|
||||
var _acceleration = 30
|
||||
var _deceleration = -10
|
||||
var _vel_multiplier = 4
|
||||
|
||||
# Keyboard state
|
||||
var _w = false
|
||||
var _s = false
|
||||
var _a = false
|
||||
var _d = false
|
||||
var _q = false
|
||||
var _e = false
|
||||
var _shift = false
|
||||
var _alt = false
|
||||
|
||||
func _input(event):
|
||||
# Receives mouse motion
|
||||
if event is InputEventMouseMotion:
|
||||
_mouse_position = event.relative
|
||||
|
||||
# Receives mouse button input
|
||||
if event is InputEventMouseButton:
|
||||
match event.button_index:
|
||||
MOUSE_BUTTON_RIGHT: # Only allows rotation if right click down
|
||||
Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED if event.pressed else Input.MOUSE_MODE_VISIBLE)
|
||||
MOUSE_BUTTON_WHEEL_UP: # Increases max velocity
|
||||
_vel_multiplier = clamp(_vel_multiplier * 1.1, 0.2, 20)
|
||||
MOUSE_BUTTON_WHEEL_DOWN: # Decereases max velocity
|
||||
_vel_multiplier = clamp(_vel_multiplier / 1.1, 0.2, 20)
|
||||
|
||||
# Receives key input
|
||||
if event is InputEventKey:
|
||||
match event.keycode:
|
||||
KEY_W:
|
||||
_w = event.pressed
|
||||
KEY_S:
|
||||
_s = event.pressed
|
||||
KEY_A:
|
||||
_a = event.pressed
|
||||
KEY_D:
|
||||
_d = event.pressed
|
||||
KEY_Q:
|
||||
_q = event.pressed
|
||||
KEY_E:
|
||||
_e = event.pressed
|
||||
KEY_SHIFT:
|
||||
_shift = event.pressed
|
||||
KEY_ALT:
|
||||
_alt = event.pressed
|
||||
|
||||
# Updates mouselook and movement every frame
|
||||
func _process(delta):
|
||||
_update_mouselook()
|
||||
_update_movement(delta)
|
||||
|
||||
# Updates camera movement
|
||||
func _update_movement(delta):
|
||||
# Computes desired direction from key states
|
||||
_direction = Vector3(float(_d) - float(_a),
|
||||
float(_e) - float(_q),
|
||||
float(_s) - float(_w))
|
||||
|
||||
# Computes the change in velocity due to desired direction and "drag"
|
||||
# The "drag" is a constant acceleration on the camera to bring it's velocity to 0
|
||||
var offset = _direction.normalized() * _acceleration * _vel_multiplier * delta \
|
||||
+ _velocity.normalized() * _deceleration * _vel_multiplier * delta
|
||||
|
||||
# Compute modifiers' speed multiplier
|
||||
var speed_multi = 1
|
||||
if _shift: speed_multi *= SHIFT_MULTIPLIER
|
||||
if _alt: speed_multi *= ALT_MULTIPLIER
|
||||
|
||||
# Checks if we should bother translating the camera
|
||||
if _direction == Vector3.ZERO and offset.length_squared() > _velocity.length_squared():
|
||||
# Sets the velocity to 0 to prevent jittering due to imperfect deceleration
|
||||
_velocity = Vector3.ZERO
|
||||
else:
|
||||
# Clamps speed to stay within maximum value (_vel_multiplier)
|
||||
_velocity.x = clamp(_velocity.x + offset.x, -_vel_multiplier, _vel_multiplier)
|
||||
_velocity.y = clamp(_velocity.y + offset.y, -_vel_multiplier, _vel_multiplier)
|
||||
_velocity.z = clamp(_velocity.z + offset.z, -_vel_multiplier, _vel_multiplier)
|
||||
|
||||
translate(_velocity * delta * speed_multi)
|
||||
|
||||
# Updates mouse look
|
||||
func _update_mouselook():
|
||||
# Only rotates mouse if the mouse is captured
|
||||
if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED:
|
||||
_mouse_position *= sensitivity
|
||||
var yaw = _mouse_position.x
|
||||
var pitch = _mouse_position.y
|
||||
_mouse_position = Vector2(0, 0)
|
||||
|
||||
# Prevents looking up/down too far
|
||||
pitch = clamp(pitch, -90 - _total_pitch, 90 - _total_pitch)
|
||||
_total_pitch += pitch
|
||||
|
||||
rotate_y(deg_to_rad(-yaw))
|
||||
rotate_object_local(Vector3(1,0,0), deg_to_rad(-pitch))
|
||||
50
demo/scripts/HandSDFShader.gd
Normal file
50
demo/scripts/HandSDFShader.gd
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
extends MeshInstance3D
|
||||
|
||||
@export var tracker : UltraleapHandTracking
|
||||
|
||||
var material : ShaderMaterial
|
||||
@onready var offsets : PackedVector3Array = PackedVector3Array()
|
||||
@onready var widths : PackedFloat32Array = PackedFloat32Array()
|
||||
@onready var lengths : PackedFloat32Array = PackedFloat32Array()
|
||||
|
||||
func _ready():
|
||||
material = mesh.material
|
||||
|
||||
func _process(_delta):
|
||||
var frame = tracker.last_frame
|
||||
set_hand_transform(frame.left_hand, "left")
|
||||
material.set_shader_parameter("left_hand_bones_offset", offsets)
|
||||
material.set_shader_parameter("left_hand_bones_width", widths)
|
||||
material.set_shader_parameter("left_hand_bones_length", lengths)
|
||||
|
||||
func set_hand_transform(hand : UltraleapHand, name : String):
|
||||
offsets.clear()
|
||||
widths.clear()
|
||||
lengths.clear()
|
||||
set_finger_transform(hand.thumb, name + "_thumb")
|
||||
set_finger_transform(hand.index, name + "_index")
|
||||
set_finger_transform(hand.middle, name + "_middle")
|
||||
set_finger_transform(hand.ring, name + "_ring")
|
||||
set_finger_transform(hand.pinky, name + "_pinky")
|
||||
|
||||
func set_finger_transform(finger : UltraleapDigit, name : String):
|
||||
set_bone_transform(finger.metacarpal, name + "_metacarpal")
|
||||
set_bone_transform(finger.proximal, name + "_proximal")
|
||||
set_bone_transform(finger.intermediate, name + "_intermediate")
|
||||
set_bone_transform(finger.distal, name + "_distal")
|
||||
|
||||
func set_bone_transform(bone : UltraleapBone, name : String):
|
||||
var pos = (bone.next_joint + bone.prev_joint) / 2
|
||||
var length = (bone.next_joint - bone.prev_joint).length()
|
||||
var transform_m : Transform3D = Transform3D(global_transform)
|
||||
|
||||
pos = transform_m * pos
|
||||
|
||||
# Multiply by quaternion, which is this object rotation, to rotate the hands
|
||||
var rot = (quaternion * bone.rotation * Quaternion(Vector3.RIGHT, deg_to_rad(90))).get_euler()
|
||||
|
||||
material.set_shader_parameter(name, -pos)
|
||||
|
||||
offsets.push_back(-pos)
|
||||
widths.push_back(bone.width)
|
||||
lengths.push_back(length)
|
||||
199
demo/shaders/RayMarching.gdshader
Normal file
199
demo/shaders/RayMarching.gdshader
Normal file
|
|
@ -0,0 +1,199 @@
|
|||
shader_type spatial;
|
||||
|
||||
uniform bool disable_threshold = false;
|
||||
|
||||
uniform float threshold = 0.001f;
|
||||
uniform int max_iterations = 300;
|
||||
uniform vec4 colour : source_color;
|
||||
uniform float epsilon = 0.1f;
|
||||
|
||||
uniform mat3 left_hand_bones_basis[20];
|
||||
uniform vec3 left_hand_bones_offset[20];
|
||||
uniform float left_hand_bones_length[20];
|
||||
uniform float left_hand_bones_width[20];
|
||||
|
||||
uniform vec3 left_thumb_metacarpal = vec3(0);
|
||||
uniform vec3 left_thumb_proximal = vec3(0);
|
||||
uniform vec3 left_thumb_intermediate = vec3(0);
|
||||
uniform vec3 left_thumb_distal = vec3(0);
|
||||
|
||||
uniform vec3 left_index_metacarpal = vec3(0);
|
||||
uniform vec3 left_index_proximal = vec3(0);
|
||||
uniform vec3 left_index_intermediate = vec3(0);
|
||||
uniform vec3 left_index_distal = vec3(0);
|
||||
|
||||
uniform vec3 left_middle_metacarpal = vec3(0);
|
||||
uniform vec3 left_middle_proximal = vec3(0);
|
||||
uniform vec3 left_middle_intermediate = vec3(0);
|
||||
uniform vec3 left_middle_distal = vec3(0);
|
||||
|
||||
uniform vec3 left_ring_metacarpal = vec3(0);
|
||||
uniform vec3 left_ring_proximal = vec3(0);
|
||||
uniform vec3 left_ring_intermediate = vec3(0);
|
||||
uniform vec3 left_ring_distal = vec3(0);
|
||||
|
||||
uniform vec3 left_pinky_metacarpal = vec3(0);
|
||||
uniform vec3 left_pinky_proximal = vec3(0);
|
||||
uniform vec3 left_pinky_intermediate = vec3(0);
|
||||
uniform vec3 left_pinky_distal = vec3(0);
|
||||
|
||||
// polynomial smooth min
|
||||
float sminCubic( float a, float b, float k )
|
||||
{
|
||||
float h = max( k-abs(a-b), 0.0 )/k;
|
||||
return min( a, b ) - h*h*h*k*(1.0/6.0);
|
||||
}
|
||||
|
||||
float intersectSDF(float distA, float distB) {
|
||||
return max(distA, distB);
|
||||
}
|
||||
|
||||
float unionSDF(float distA, float distB) {
|
||||
return min(distA, distB);
|
||||
}
|
||||
|
||||
float differenceSDF(float distA, float distB) {
|
||||
return max(distA, -distB);
|
||||
}
|
||||
|
||||
void vertex() {
|
||||
//POSITION = vec4(VERTEX, 1.0);
|
||||
}
|
||||
|
||||
float sdEllipsoid( vec3 p, vec3 r ) {
|
||||
float k0 = length(p/r);
|
||||
float k1 = length(p/(r*r));
|
||||
return (k0<1.0) ? (k0-1.0)*min(min(r.x,r.y),r.z) : k0*(k0-1.0)/k1;
|
||||
}
|
||||
|
||||
float sdPlane(vec3 p, vec3 n, float h) {
|
||||
return dot(n, p) + h;
|
||||
}
|
||||
|
||||
float sdBox( vec3 b, vec3 p ) {
|
||||
vec3 q = abs(p) - b;
|
||||
return length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0);
|
||||
}
|
||||
|
||||
float dstFromSphere(vec3 target, vec3 pos, float r) {
|
||||
return distance(target, pos) - r;
|
||||
}
|
||||
|
||||
float sdVerticalCapsule( vec3 p, float h, float r ) {
|
||||
p.y -= clamp( p.y, 0.0, h );
|
||||
return length( p ) - r;
|
||||
}
|
||||
|
||||
float sdFinger(vec3 p, int index) {
|
||||
return
|
||||
sminCubic(
|
||||
sminCubic(
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[index + 3], left_hand_bones_length[index + 3], left_hand_bones_width[index + 3] / 2.0),
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[index + 2], left_hand_bones_length[index + 2], left_hand_bones_width[index + 2] / 2.0),
|
||||
epsilon
|
||||
),
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[index + 1], left_hand_bones_length[index + 1], left_hand_bones_width[index + 1] / 2.0),
|
||||
epsilon
|
||||
);
|
||||
}
|
||||
|
||||
float get_distance(vec3 p) {
|
||||
|
||||
float palm =
|
||||
sminCubic(
|
||||
sminCubic(
|
||||
sminCubic(
|
||||
sminCubic(
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[0], left_hand_bones_length[0], left_hand_bones_width[0] / 2.0),
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[4], left_hand_bones_length[4], left_hand_bones_width[4] / 2.0),
|
||||
epsilon
|
||||
),
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[8], left_hand_bones_length[8], left_hand_bones_width[8] / 2.0),
|
||||
epsilon
|
||||
),
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[12], left_hand_bones_length[12], left_hand_bones_width[12] / 2.0),
|
||||
epsilon
|
||||
),
|
||||
sdVerticalCapsule(p + left_hand_bones_offset[16], left_hand_bones_length[16], left_hand_bones_width[16] / 2.0),
|
||||
epsilon
|
||||
);
|
||||
|
||||
float thumb = sdFinger(p, 0);
|
||||
float index = sdFinger(p, 4);
|
||||
float middle = sdFinger(p, 8);
|
||||
float ring = sdFinger(p, 12);
|
||||
float pinky = sdFinger(p, 16);
|
||||
|
||||
return
|
||||
sminCubic(
|
||||
unionSDF(
|
||||
unionSDF(
|
||||
unionSDF(
|
||||
unionSDF(
|
||||
thumb, index
|
||||
), middle
|
||||
), ring
|
||||
), pinky
|
||||
),
|
||||
palm,
|
||||
epsilon
|
||||
);
|
||||
}
|
||||
|
||||
vec3 get_normal(vec3 p) {
|
||||
vec2 e = vec2(1e-5, 0);
|
||||
|
||||
vec3 n = get_distance(p) - vec3(
|
||||
get_distance(p - e.xyy),
|
||||
get_distance(p - e.yxy),
|
||||
get_distance(p - e.yyx)
|
||||
);
|
||||
|
||||
return normalize(n);
|
||||
}
|
||||
|
||||
vec4 rayMarch(vec3 orig, vec3 dir) {
|
||||
vec3 sphere_orig = vec3(0, 0, 0);
|
||||
float dst = get_distance(orig);
|
||||
int inc = 0;
|
||||
for (int i = 0; i < max_iterations; i++) {
|
||||
if (dst <= threshold && !disable_threshold) {
|
||||
break;
|
||||
}
|
||||
orig += dst * dir;
|
||||
dst = get_distance(orig);
|
||||
}
|
||||
|
||||
if (dst <= threshold) {
|
||||
// We touched a shape
|
||||
return vec4(orig, 1.0f);
|
||||
}
|
||||
else {
|
||||
// Render some white transparent background so we can still see the quad
|
||||
return vec4(vec3(1), 0);
|
||||
}
|
||||
}
|
||||
|
||||
void fragment() {
|
||||
vec2 uv = SCREEN_UV * 2.0 - 1.0;
|
||||
vec4 camera = INV_VIEW_MATRIX * INV_PROJECTION_MATRIX * vec4(uv, 1, 1);
|
||||
|
||||
vec3 orig = INV_VIEW_MATRIX[3].xyz;
|
||||
vec3 dir = normalize(camera.xyz);
|
||||
|
||||
vec4 point = rayMarch(orig, dir);
|
||||
|
||||
// Render white transparent background by default
|
||||
vec4 col = vec4(1, 1, 1, 0.1f);
|
||||
|
||||
// The w member of the vec4 is used to convey that we hit something.
|
||||
// Let put a colour on that and compute the normal
|
||||
if (point.w > 0.0f) {
|
||||
col = colour;
|
||||
col.a = point.w;
|
||||
NORMAL = (vec4(get_normal(point.xyz), 1) * INV_VIEW_MATRIX).xyz;
|
||||
}
|
||||
|
||||
ALPHA = col.a;
|
||||
ALBEDO = col.rgb;
|
||||
}
|
||||
Loading…
Reference in a new issue