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Very cursed but entertaining bug as I try to get links scaling well

broken-cursed-links
Mike Lynch 2024-04-26 16:57:21 +10:00
parent 6f4d4cc633
commit 3f83bde533
1 changed files with 22 additions and 3 deletions
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25
fourDShape.js
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@ -71,16 +71,35 @@ class FourDShape extends THREE.Group {
const centre = new THREE.Vector3();
centre.lerpVectors(n1.v3, n2.v3, 0.5);
// is this really the only way to do this?
const geometry = new THREE.CylinderGeometry(this.link_scale * s2, this.link_scale * s1, 1);
link.object.children[0].geometry.dispose();
link.object.children[0].geometry = geometry;
//const geometry = new THREE.CylinderGeometry(this.link_scale * s2, this.link_scale * s1, 1);
//link.object.children[0].geometry.dispose();
this.forshortenLink(link.object.children[0].geometry, this.link_scale * s2, this.link_scale * s1);
//const link_hack = this.link_scale * (s1 + s2) * 0.5;
link.object.scale.copy(new THREE.Vector3(1, 1, length));
link.object.position.copy(centre);
link.object.lookAt(n2.v3);
link.object.children[0].rotation.x = Math.PI / 2.0;
// link.object.children[0].geometry.needsUpdate = true;
// link.object.children[0].geometry.computeVertexNormals();
link.object.visible = (!links_show || link.label in links_show);
}
forshortenLink(geometry, top, bottom) {
const count = geometry.attributes.position.count;
for( let i = 0; i < count; i++ ) {
const x = geometry.attributes.position.getX(i);
const y = geometry.attributes.position.getY(i);
const z = geometry.attributes.position.getZ(i);
if( z == 0 ) {
geometry.attributes.position.setX(i, x * top);
geometry.attributes.position.setY(i, y * top);
} else {
geometry.attributes.position.setX(i, x * bottom);
geometry.attributes.position.setY(i, y * bottom);
}
}
}
setFaceGeometry(face, geometry) {
const values = [];