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feature-al
Author | SHA1 | Date |
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Mike Lynch | 8ebb104bb3 |
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@ -20,6 +20,7 @@ class FourDShape extends THREE.Group {
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this.node_scale = 1;
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this.link_scale = 1;
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this.hyperplane = HYPERPLANE;
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this.projection = 1;
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this.initShapes();
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}
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@ -100,15 +101,6 @@ class FourDShape extends THREE.Group {
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}
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fourDtoV3_old(x, y, z, w, rotations) {
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const v4 = new THREE.Vector4(x, y, z, w);
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for ( const m4 of rotations ) {
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v4.applyMatrix4(m4);
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}
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const k = this.fourDscale(v4.w);
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return new THREE.Vector3(v4.x * k, v4.y * k, v4.z * k);
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}
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fourDscale(w) {
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return this.hyperplane / ( this.hyperplane + w );
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}
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@ -121,11 +113,24 @@ class FourDShape extends THREE.Group {
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return v4;
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}
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fourDtoV3(v4) {
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renderNodePerspective(n, rotations) {
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const v4 = this.fourDrotate(n.x, n.y, n.z, n.w, rotations);
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const k = this.fourDscale(v4.w);
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return new THREE.Vector3(v4.x * k, v4.y * k, v4.z * k);
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const position = new THREE.Vector3(v4.x * k, v4.y * k, v4.z * k);
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const s4 = k * this.node_scale * NODE_FORESHORTENING;
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const scale = new THREE.Vector3(s4, s4, s4);
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return { position: position, scale: scale }
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}
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renderNodeIsometric(n, rotations) {
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const v4 = this.fourDrotate(n.x, n.y, n.z, n.w, rotations);
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const position = new THREE.Vector3(v4.x, v4.y + v4.w, v4.z);
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const s4 = this.node_scale;
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const scale = new THREE.Vector3(s4, s4, s4);
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return { position: position, scale: scale }
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}
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initShapes() {
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for( const n of this.nodes4 ) {
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const k = this.fourDscale(n.w);
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@ -151,14 +156,10 @@ class FourDShape extends THREE.Group {
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render3(rotations, nodes_show, links_show) {
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this.scalev3 = new THREE.Vector3(this.node_scale, this.node_scale, this.node_scale);
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for( const n of this.nodes4 ) {
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const v4 = this.fourDrotate(n.x, n.y, n.z, n.w, rotations);
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const k = this.fourDscale(v4.w);
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const v3 = new THREE.Vector3(v4.x * k, v4.y * k, v4.z * k);
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const s4 = k * this.node_scale * NODE_FORESHORTENING;
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const s3 = new THREE.Vector3(s4, s4, s4);
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this.nodes3[n.id].v3 = v3;
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this.nodes3[n.id].object.position.copy(v3);
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this.nodes3[n.id].object.scale.copy(s3);
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const node3d = this.renderNodeIsometric(n, rotations);
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this.nodes3[n.id].v3 = node3d.position;
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this.nodes3[n.id].object.position.copy(node3d.position);
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this.nodes3[n.id].object.scale.copy(node3d.scale);
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this.nodes3[n.id].object.visible = ( !nodes_show || n.label in nodes_show );
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}
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for( const l of this.links ) {
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