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Recent questions tagged Three.js

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three.js - Display wireframe and solid color

Is it possible to display the wireframe of the object and also the solid color of its faces on the same ... needsUpdate = true; any thoughts? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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941 views

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three.js - How does the calculation of the light model work in a shader program?

I am trying to read up this tutorial: https://aerotwist.com/tutorials/an-introduction-to-shaders-part-2/ but I ... three.js experience might be able to tell me. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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three.js - Converting 3D position to 2d screen position [r69!]

I need Three.js code to convert 3D object coordinates to 2d ones in a 'div' element so that I can place ... : https://github.com/mrdoob/three.js/issues/5533 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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three.js - Transparent objects in Threejs

I am trying to write a small program in Three.js that displays two spheres, one inside the other. The radius ... .add(sphere2); renderer.render(scene, camera); Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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three.js - How to change the zOrder of object with Threejs?

I made a scene using the webgl renderer where I put multiple 3D objects that I can select and move. However when ... t get any result. Thank you for your help. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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949 views

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three.js - How i can to save the image to photo when I press the shutter button

this code to capture button and the after save it to photo because, When I press the shutter button, the screen goes ... to-save-the-image-to-photo-when-i-press-the-shutter-button...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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three.js - Weird effect when using receiveShadow

I'm trying to get receiveShadow to work on a cube. Not only it doesn't work, but when I set ... :https://stackoverflow.com/questions/65845187/weird-effect-when-using-receiveshadow...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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922 views

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three.js - how to code Smooth axis rotation of one object via mouse using the three js Editor

how to code Smooth axis rotation of one object via mouse using the three js Editor here the example but it will be ... axis-rotation-of-one-object-via-mouse-using-the-three-js-edit...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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three.js - Object to retain same size on screen regardless of its distance from the camera

In Three.js I have an rectangle which is moving away from the camera, how can I compute a 3D x and y ... -retain-same-size-on-screen-regardless-of-its-distance-from-the-camera...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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three.js - How to draw a line with the mouse on a 3D surface in threejs

I have been looking for an example of how to draw a line with the mouse on a 3D surface within a scene in threejs to ... -to-draw-a-line-with-the-mouse-on-a-3d-surface-in-threejs...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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866 views

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three.js - Objects don't overlap when rotating

I'm trying to reproduce this animation (see below) with react-three-fiber. I'm still very new to ... ://stackoverflow.com/questions/65867043/objects-dont-overlap-when-rotating...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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three.js - Spread a Threejs Texture across an InstancedMesh

So Ultimately, I need to send in additional attributes to a vertex shader (uvOffsets, instance count) in ... com/questions/65877453/spread-a-threejs-texture-across-an-instancedmesh...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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three.js - Why does EffectsComposer unintentionally make a custom shaderMaterial brighter by default?

In Three.js, it seems that if you add an empty EffectsComposer, your shaderMaterials unintentionally ... -effectscomposer-unintentionally-make-a-custom-shadermaterial-brighter-b...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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933 views

1 answer

three.js - about cannon.js Constraint function of physical engine

I use a cylinder to simulate a human. When I move a cylinder, how do I write constraint codes to ... com/questions/65883668/about-cannon-js-constraint-function-of-physical-engine...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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three.js - ThreeJS - GLTF No Shadow Casting

I am having issues with my meshes not casting shadows on other meshes in the scene. I have looked around ... ://stackoverflow.com/questions/65907675/threejs-gltf-no-shadow-casting...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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three.js - Proper method to move plane vertices locations in React-Three-Fiber

I want to create a plane and set the x,y,z locations for the plane individually. So, in three.js it ... 65912403/proper-method-to-move-plane-vertices-locations-in-react-three-fiber...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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three.js - How can I use cache when loading 3d models in mapbox?

I have 3D models connected to cluster-nodes. When I switch from one node to another, the model is cleared from the ... 65917344/how-can-i-use-cache-when-loading-3d-models-in-mapbox...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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972 views

1 answer

three.js - Is it possible to select for a camera which objects it should render?

I'm thinking to use 2 cameras, one for the normal scene view (user view) and another placed on top of the ... -it-possible-to-select-for-a-camera-which-objects-it-should-render...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

three.js - Trying to render a custom triangle in react-three-fiber and mesh flickers in and out of view

I am trying to generate some custom geometry on the fly with R3F. However, when I attempt to generate a triangle ... -custom-triangle-in-react-three-fiber-and-mesh-flickers-in-and...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

three.js - Shader for solid color for each triangle of plane geometry

I have been learning webgl from webglfundamentals where I came across a simple shader example where you can paint ... shader-for-solid-color-for-each-triangle-of-plane-geometry...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

three.js - What does renderer.setSize really do?

I am trying to learn how adapting things to different screen resolutions works in three.js. Unfortunately, I ... .com/questions/65942483/what-does-renderer-setsize-really-do...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

three.js - WASM memory access out of bounds using threejs DracoLoader on Mobile Browsers

I'm currently running into an issue where I'm trying to load a Draco compressed model using the Draco Loader ... -access-out-of-bounds-using-threejs-dracoloader-on-mobile-browsers...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

three.js - .obj to .glb conversion file size problem

I want to make a web platform with functions that can convert .obj files with .jpg texture into .glb ... .com/questions/65644376/obj-to-glb-conversion-file-size-problem...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

three.js - Threebox Tooltip in 3D models

I′ve been trying to enable tooltips on some imported 3D models, but it isnt working. I already enabled ... //stackoverflow.com/questions/65644945/threebox-tooltip-in-3d-models...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

three.js - Does WebGL have a uniform or texture binding limit?

I'm trying to render a car's license plate in WebGL with a purple texture whose uniform name is diffTex. When I ... stops working when I render the rest of the car with textures....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

three.js - Duplicate rotation from pattern of blocks in threejs

Let me give you some context: I'm creating a block puzzling vr game. https://twitter.com/CROEWENS/status/ ... the same rotation as group 2 starting from group 1....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

three.js - How to update shadows in modified MeshPhysicalMaterial shader

I am having trouble getting my model with a custom shader to cast correct shadows. I have made a slightly modified vertex shader chunk ... , body); }; resolve(material); }); }); }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

three.js 如何点击模型获取点击点的坐标？

使用three.js实现了一个球体，那怎么实现点击这个球体获取这个点的x,y,z坐标呢？求大神帮助！！！...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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