119 lines
5.3 KiB
JavaScript
119 lines
5.3 KiB
JavaScript
import { Matrix4, Vector3, Vector4 } from "three";
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var finalizeMesh = function() {};
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finalizeMesh.prototype = {
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constructor: finalizeMesh,
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parse: function (mesh) {
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if (!mesh.isMesh) {
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console.warn('Mesh type unsupported', mesh);
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return;
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}
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var vertex = new Vector3();
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var i, l = [];
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var nbVertex = 0;
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var geometry = mesh.geometry;
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var mrot = new Matrix4().makeRotationX(90 * Math.PI / 180);
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var msca = new Matrix4().makeScale(10, 10, 10);
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if (geometry.isBufferGeometry) {
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var newGeometry = geometry.clone(geometry);
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var vertices = geometry.getAttribute('position');
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// vertices
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if (vertices !== undefined) {
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for (i = 0, l = vertices.count; i < l; i++ , nbVertex++) {
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vertex.x = vertices.getX(i);
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vertex.y = vertices.getY(i);
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vertex.z = vertices.getZ(i);
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if (geometry.skinIndexNames == undefined
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|| geometry.skinIndexNames == 0) {
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vertex.applyMatrix4(mesh.matrixWorld).applyMatrix4(mrot).applyMatrix4(msca);
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newGeometry.attributes.position.setXYZ(i, vertex.x, vertex.y, vertex.z);
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} else {
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var finalVector = new Vector4();
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var morphVector = new Vector4(vertex.x, vertex.y, vertex.z);//Lilly
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if (geometry.morphTargetInfluences !== undefined) {
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var tempMorph = new Vector4();
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for (var mt = 0; mt < geometry.morphAttributes.position.length; mt++) {
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if (geometry.morphTargetInfluences[mt] == 0) continue;
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if (geometry.morphTargetDictionary.hide == mt) continue;
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var morph = new Vector4(
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geometry.morphAttributes.position[mt].getX(i),
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geometry.morphAttributes.position[mt].getY(i),
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geometry.morphAttributes.position[mt].getZ(i));
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tempMorph.addScaledVector(morph, geometry.morphTargetInfluences[mt]);
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}
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//comment to avoid morph problems
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morphVector.add(tempMorph);
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}
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for (var si = 0; si < geometry.skinIndexNames.length; si++) {
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var skinIndices = geometry.getAttribute([geometry.skinIndexNames[si]])
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var weights = geometry.getAttribute([geometry.skinWeightNames[si]])
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var skinIndex = [];
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skinIndex[0] = skinIndices.getX(i);
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skinIndex[1] = skinIndices.getY(i);
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skinIndex[2] = skinIndices.getZ(i);
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skinIndex[3] = skinIndices.getW(i);
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var skinWeight = [];
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skinWeight[0] = weights.getX(i);
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skinWeight[1] = weights.getY(i);
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skinWeight[2] = weights.getZ(i);
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skinWeight[3] = weights.getW(i);
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var inverses = [];
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inverses[0] = mesh.skeleton.boneInverses[skinIndex[0]];
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inverses[1] = mesh.skeleton.boneInverses[skinIndex[1]];
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inverses[2] = mesh.skeleton.boneInverses[skinIndex[2]];
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inverses[3] = mesh.skeleton.boneInverses[skinIndex[3]];
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var skinMatrices = [];
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skinMatrices[0] = mesh.skeleton.bones[skinIndex[0]].matrixWorld;
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skinMatrices[1] = mesh.skeleton.bones[skinIndex[1]].matrixWorld;
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skinMatrices[2] = mesh.skeleton.bones[skinIndex[2]].matrixWorld;
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skinMatrices[3] = mesh.skeleton.bones[skinIndex[3]].matrixWorld;
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for (var k = 0; k < 4; k++) {
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if (geometry.morphTargetInfluences !== undefined) {
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var tempVector = new Vector4(morphVector.x, morphVector.y, morphVector.z);
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} else {
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var tempVector = new Vector4(vertex.x, vertex.y, vertex.z);
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}
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tempVector.multiplyScalar(skinWeight[k]);
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//the inverse takes the vector into local bone space
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//which is then transformed to the appropriate world space
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tempVector.applyMatrix4(inverses[k])
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.applyMatrix4(skinMatrices[k])
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.applyMatrix4(mrot).applyMatrix4(msca);
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finalVector.add(tempVector);
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}
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}
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newGeometry.attributes.position.setXYZ(i, finalVector.x, finalVector.y, finalVector.z);
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}
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}
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}
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} else {
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console.warn( 'Geometry type unsupported', geometry );
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}
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return newGeometry;
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}
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};
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export { finalizeMesh };
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