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fix camera look at object

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This commit is contained in:
Val Erastov 2022-08-30 19:46:51 -07:00
parent 149f7b6a2c
commit 3735b1acbf
1 changed files with 21 additions and 16 deletions
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37
modules/scene/sceneSetup.ts
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@ -133,24 +133,27 @@ export default class SceneSetUp {
this.oCamera.bottom = - height / factor;
this.oCamera.updateProjectionMatrix();
}
setCamera(camera) {
syncCameras(sourceCamera, targetCamera) {
const camPosition = new Vector3();
const camRotation = new Euler();
const tempMatrix = new Matrix4();
camPosition.setFromMatrixPosition( this.camera.matrixWorld );
camRotation.setFromRotationMatrix( tempMatrix.extractRotation( this.camera.matrixWorld ) );
const camDistance = camera.position.length();
camPosition.setFromMatrixPosition( targetCamera.matrixWorld );
camRotation.setFromRotationMatrix( tempMatrix.extractRotation( targetCamera.matrixWorld ) );
const camDistance = sourceCamera.position.length();
camera.up.copy(this.camera.up);
camera.position.copy(camPosition);
camera.quaternion.copy(camPosition);
this.trackballControls.setCameraMode(camera.isOrthographicCamera);
camera.position.normalize();
camera.position.multiplyScalar(camDistance);
sourceCamera.up.copy(this.camera.up);
sourceCamera.position.copy(camPosition);
sourceCamera.quaternion.copy(camPosition);
sourceCamera.position.normalize();
sourceCamera.position.multiplyScalar(camDistance);
}
setCamera(camera) {
this.syncCameras(camera, this.camera);
this.camera = camera;
this.trackballControls.setCameraMode(camera.isOrthographicCamera);
this.trackballControls.object = camera;
this.requestRender();
}
@ -251,16 +254,18 @@ export default class SceneSetUp {
}
lookAtObject(obj) {
const camera = this.camera;
const box = new Box3();
box.setFromObject(obj);
const size = box.getSize(new Vector3());
//this.camera.position.set(0,0,0);
box.getCenter(this.camera.position);
box.getCenter(camera.position);
const maxSize = Math.max(size.x, size.z);
const dist = maxSize / 2 / Math.tan(Math.PI * this.camera.fov / 360);
this.camera.position.addScaledVector(this.camera.position.normalize(), 5000);
camera.position.addScaledVector(camera.position.normalize(), 5000);
//this.camera.position.sub(new THREE.Vector3(0, 0, dist));
this.camera.up = new Vector3(0, 1, 0);
camera.up = new Vector3(0, 1, 0);
}
_zoomMeasure() {