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129 lines
4.9 KiB
HTML
129 lines
4.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<!-- saved from url=(0041)https://www.iddevnet.com/doom3/walkik.php -->
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<title>id.sdk [Walk IK]</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body marginwidth="0" marginheight="0" topmargin="0" leftmargin="0">
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<table border=0 cellpadding=0 cellspacing=0 style="width: 100%; height: 99px">
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<tr>
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<td style="width: 171px"><img src="images/doom.jpg" style="width: 171px; height: 99px" alt=""></td>
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<td style="background: url(images/tile.gif)">
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<table border=0 cellpadding=0 cellspacing=0 width=600>
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<tr>
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<td style="height: 19px; background: url(images/sdk.gif) no-repeat"></td>
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<td rowspan=4 align=right><img src="images/id.gif" style="width: 42px; height: 99px" alt=""></td>
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</tr>
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<tr><td style="height: 29px; background: url(images/top.jpg) no-repeat"></td></tr>
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<tr><td style="height: 27px; background: url(images/middle.gif)" class="title"> Making DOOM 3 Mods : Walk IK</td></tr>
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<tr><td style="height: 24px; background: url(images/bottom.jpg) no-repeat"></td></tr>
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</table>
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</td>
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</tr>
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</table>
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<table border=0 cellpadding=0 cellspacing=0 style="width: 770px">
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<tr>
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<td colspan=2 style="background: url(images/boxtop.gif);"><img src="images/span.jpg" style="width: 397px; height: 20px; float: left" alt=""></td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 152px; background: url(images/tileleft.gif)">
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<div class="leftMenu">
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<script src="menu.js"></script>
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</div>
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</td>
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<td class="mainContent">
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Walk Inverse Kinematics makes feet stay on the floor, even when walking along uneven terrain.
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<p>
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The IK animation controller for a walking character
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can be enabled with key/value pairs in the entityDef.
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</p><p>
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</p><table class="datatable">
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<tbody><tr><td class="nobr">ik_numLegs <num></td><td>Sets the number of legs</td>
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</tr><tr><td class="nobr">ik_minWaistFloorDist <game units></td><td>
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Sets the minimum distance of the waist to the ground.<br>
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This minimum distance is usually only used for crawling creatures
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like the trite. If not required do NOT use the key/value pair or
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set it to zero to save CPU.</td>
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</tr><tr><td class="nobr">ik_minWaistAnkleDist <game units></td><td>
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Sets the minimum distance of the waist to one of the ankles.<br>
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This minimum distance makes sure the waist is always a certain
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distance above the ankles.</td>
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</tr><tr><td class="nobr">ik_footSize <game units></td><td>
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Sets the size of a foot<br>
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A square of the given size is used to find the height of the floor
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below a foot. If set to zero a single point is used which is
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considerably cheaper and used for instance for the trite.</td>
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</tr><tr><td class="nobr">ik_waist <jointName></td><td rowspan="6">
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Sets the joints used for the walk IK.<br>
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Where <X> is the leg number starting at 1. So a biped uses 1 and 2,
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and the trite uses 1 up to 6.
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<p>
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The ik_foot joint specifies the location at which the floor height
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is sampled.
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</p><p>
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The two bones modified by the walk IK go from ik_hip to ik_knee and
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from ik_knee to ik_ankle.
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</p><p>
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The vector from the ik_knee joint to the ik_dir joint specifies
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the direction the walk IK will bend knee.
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</p></td>
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</tr><tr><td class="nobr">ik_dir<X> <jointName></td>
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</tr><tr><td class="nobr">ik_hip<X> <jointName></td>
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</tr><tr><td class="nobr">ik_knee<X> <jointName></td>
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</tr><tr><td class="nobr">ik_ankle<X> <jointName></td>
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</tr><tr><td class="nobr">ik_foot<X> <jointName></td>
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</tr><tr><td class="nobr">ik_waist <jointName></td><td>
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The ik_waist joint is used to shift the whole upper body up and
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down based on how far the feet are moved up and down and how far
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the knees are bent.</td>
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</tr></tbody></table>
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<div class="subsection">Example</div>
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<pre class="code">entityDef monster_demon_imp {
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"inherit" "monster_default"
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"scriptobject" "monster_demon_imp"
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"model" "monster_demon_imp"
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"ragdoll" "monster_demon_imp"
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...
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"ik_numLegs" "2"
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"ik_footSize" "4"
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"ik_waist" "Body"
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"ik_hip1" "Lupleg"
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"ik_hip2" "Rupleg"
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"ik_knee1" "Lloleg"
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"ik_knee2" "Rloleg"
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"ik_ankle1" "Lankle_r"
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"ik_ankle2" "Rankle_r"
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"ik_dir1" "Lknee"
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"ik_dir2" "Rknee"
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"ik_foot1" "Lball_r"
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"ik_foot2" "Rball_r"
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...
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}
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</pre>
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<br>
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</td>
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</tr>
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<tr>
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<td colspan="2" bgcolor="#CCCCCC"><img src="images/span2.gif" style="width: 397px; height: 8px; float: left;"></td>
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</tr>
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</tbody></table>
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<table border="0" cellpadding="0" cellspacing="0" width="770">
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<tbody><tr>
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<td align="left" class="legalese">Copyright <20> 2004 <a href="http://www.idsoftware.com/">id software</a></td>
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</tr>
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</tbody></table>
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</body></html>
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