h3n3/yet-another-cad-viewer
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add support for dynamic fake 3D lines attached to the world!

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Yeicor
2024-02-26 20:49:59 +01:00
parent fa6b19f701
commit 57c10db5a0
2 changed files with 124 additions and 17 deletions
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24
src/tools/Selection.vue
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@@ -34,19 +34,21 @@ let selectionMoveListener = (event: MouseEvent) => {
let selectionListener = (event: MouseEvent) => {
if (!selectionEnabled.value) {
mouseDownAt = undefined;
return;
}
// If the mouse moved while clicked (dragging), avoid selection logic
if (mouseDownAt) {
let [x, y] = mouseDownAt;
mouseDownAt = undefined;
if (Math.abs(event.clientX - x) > 5 || Math.abs(event.clientY - y) > 5) {
mouseDownAt = undefined;
return;
}
mouseDownAt = undefined;
}
let scene: ModelScene = props.viewer?.scene;
// Define the 3D ray from the camera to the mouse
// NOTE: Need to access internal as the API has issues with small faces surrounded by edges
let scene: ModelScene = props.viewer?.scene;
const ndcCoords = scene.getNDC(event.clientX, event.clientY);
//const hit = scene.hitFromPoint(ndcCoords) as Intersection<MObject3D> | undefined;
raycaster.setFromCamera(ndcCoords, (scene as any).camera);
@@ -56,7 +58,9 @@ let selectionListener = (event: MouseEvent) => {
raycaster.ray.direction.copy(
scene.getTarget().clone().add(scene.target.position).sub((scene as any).camera.position).normalize());
}
// console.log('NDC', ndcCoords, 'Camera', (scene as any).camera, 'Ray', ray_caster.ray);
console.log('Ray', raycaster.ray);
// Find all hit objects and select the wanted one based on the filter
const hits = raycaster.intersectObject(scene, true);
let hit = hits.find((hit) => {
const kind = hit.object.type
@@ -66,11 +70,11 @@ let selectionListener = (event: MouseEvent) => {
(kind === 'Points' && selectFilter.value === 'Vertices');
return hit.object.visible && !hit.object.userData.noHit && kindOk;
}) as Intersection<MObject3D> | undefined;
console.log('Hit', hit)
//console.log('Hit', hit)
if (!highlightNextSelection.value[0]) {
if (!hit) {
deselectAll();
} else {
// If we are selecting, toggle the selection or deselect all if no hit
if (hit) {
// Toggle selection
const wasSelected = selected.value.find((m) => m.object.name === hit.object.name) !== undefined;
if (wasSelected) {
@@ -78,6 +82,8 @@ let selectionListener = (event: MouseEvent) => {
} else {
select(hit)
}
} else {
deselectAll();
}
} else {
// Otherwise, highlight the model that owns the hit