Added node size scaling with w-foreshortening - looks kind of goofy
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b22ac6546d
commit
cab5878ac8
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@ -35,7 +35,7 @@ class FourDShape extends THREE.Group {
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}
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}
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makeNode(material, v3) {
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makeNode(material, v3, scale) {
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const geometry = new THREE.SphereGeometry(this.node_size);
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const sphere = new THREE.Mesh(geometry, material);
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sphere.position.copy(v3);
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@ -100,24 +100,41 @@ class FourDShape extends THREE.Group {
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}
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fourDtoV3(x, y, z, w, rotations) {
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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.hyperplane / (this.hyperplane + v4.w);
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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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fourDrotate(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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return v4;
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}
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fourDtoV3(v4) {
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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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initShapes() {
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for( const n of this.nodes4 ) {
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const v3 = this.fourDtoV3(n.x, n.y, n.z, n.w, []);
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const k = this.fourDscale(n.w);
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const v3 = new THREE.Vector3(n.x * k, n.y * k, n.z * k);
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const material = this.getMaterial(n, this.node_ms);
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this.nodes3[n.id] = {
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v3: v3,
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label: n.label,
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object: this.makeNode(material, v3)
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object: this.makeNode(material, v3, k)
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};
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}
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for( const l of this.links ) {
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@ -134,10 +151,14 @@ 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 v3 = this.fourDtoV3(n.x, n.y, n.z, n.w, 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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const v3 = new THREE.Vector3(v4.x * k, v4.y * k, v4.z * k);
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const s4 = k * this.node_scale;
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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(this.scalev3);
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this.nodes3[n.id].object.scale.copy(s3);
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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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