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LineSegments2: Fix raycast() . #30016

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merged 3 commits into from
Dec 4, 2024
Merged

LineSegments2: Fix raycast() . #30016

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6a0803b
updated linesegments2 webgpu
Samsy Dec 2, 2024
35e0e5e
Update LineSegments2.js
Mugen87 Dec 2, 2024
8f2a422
use of vec4 to transfer viewport to this.resolution
RenaudRohlinger Dec 4, 2024
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18 changes: 12 additions & 6 deletions examples/jsm/lines/webgpu/LineSegments2.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,9 @@ import {
Sphere,
Vector3,
Vector4,
Line2NodeMaterial
Line2NodeMaterial,
Vector2
} from 'three/webgpu';

import { LineSegmentsGeometry } from '../../lines/LineSegmentsGeometry.js';

const _start = new Vector3();
Expand Down Expand Up @@ -93,8 +93,7 @@ function raycastWorldUnits( lineSegments, intersects ) {
function raycastScreenSpace( lineSegments, camera, intersects ) {

const projectionMatrix = camera.projectionMatrix;
const material = lineSegments.material;
const resolution = material.resolution;
const resolution = lineSegments.resolution;
const matrixWorld = lineSegments.matrixWorld;

const geometry = lineSegments.geometry;
Expand Down Expand Up @@ -233,6 +232,8 @@ class LineSegments2 extends Mesh {

this.type = 'LineSegments2';

this.resolution = new Vector2()

}

// for backwards-compatibility, but could be a method of LineSegmentsGeometry...
Expand Down Expand Up @@ -264,6 +265,11 @@ class LineSegments2 extends Mesh {

}

onBeforeRender( renderer ) {

renderer.getViewport( this.resolution );
}

raycast( raycaster, intersects ) {

const worldUnits = this.material.worldUnits;
Expand Down Expand Up @@ -303,7 +309,7 @@ class LineSegments2 extends Mesh {
} else {

const distanceToSphere = Math.max( camera.near, _sphere.distanceToPoint( _ray.origin ) );
sphereMargin = getWorldSpaceHalfWidth( camera, distanceToSphere, material.resolution );
sphereMargin = getWorldSpaceHalfWidth( camera, distanceToSphere, this.resolution );

}

Expand Down Expand Up @@ -333,7 +339,7 @@ class LineSegments2 extends Mesh {
} else {

const distanceToBox = Math.max( camera.near, _box.distanceToPoint( _ray.origin ) );
boxMargin = getWorldSpaceHalfWidth( camera, distanceToBox, material.resolution );
boxMargin = getWorldSpaceHalfWidth( camera, distanceToBox, this.resolution );

}

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