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faster multi-object load, faster updates and better orthographic camera at different scales

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Yeicor
2024-03-07 20:49:27 +01:00
parent 753648e522
commit 3e3730a4a5
9 changed files with 83 additions and 48 deletions
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10
frontend/tools/Tools.vue
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@@ -50,12 +50,14 @@ function syncOrthoCamera(force: boolean) {
let perspectiveCam: PerspectiveCamera = (scene as any).__perspectiveCamera;
if (force || perspectiveCam && scene.camera != perspectiveCam) {
// Get zoom level from perspective camera
let dist = scene.getTarget().distanceToSquared(perspectiveCam.position);
let w = scene.aspect * dist ** 1.1 / 4000;
let h = dist ** 1.1 / 4000;
let lookAtCenter = scene.getTarget().clone().add(scene.target.position);
let perspectiveWidthAtCenter =
2 * Math.tan(perspectiveCam.fov * Math.PI / 180 / 2) * perspectiveCam.position.distanceTo(lookAtCenter);
let w = perspectiveWidthAtCenter;
let h = perspectiveWidthAtCenter / scene.aspect;
(scene as any).camera = new OrthographicCamera(-w, w, h, -h, perspectiveCam.near, perspectiveCam.far);
scene.camera.position.copy(perspectiveCam.position);
scene.camera.lookAt(scene.getTarget().clone().add(scene.target.position));
scene.camera.lookAt(lookAtCenter);
if (force) scene.queueRender() // Force rerender of model-viewer
requestAnimationFrame(() => syncOrthoCamera(false));
}