Creating stunning light effects with camera flash using three.js

I'm working on a website using the amazing three.js library. My current challenge is figuring out how to incorporate a camera flash effect into three.js. Currently, I have a rotating cube in my scene and I would like to have a camera flash occur after 4 seconds, leading to the loading of another page. I have been utilizing stateTime += deltaTime along with a basic scene setup. If you have any suggestions on how to achieve a camera flash effect in threejs, I would greatly appreciate your input!

Take a look at a preview of my progress so far. The only element missing is the camera flash!

javascriptthree.js

Answer №1

Initially, I misunderstood your query, assuming you were looking to incorporate a camera flash when transitioning between different scenes rather than distinct pages. Nevertheless, the provided fiddle could still prove beneficial to you.

http://jsfiddle.net/T4BDM/1/

composer = new THREE.EffectComposer(renderer);

renderPass = new THREE.RenderPass(scenes[sceneIndex], camera);
composer.addPass(renderPass);

colorifyPass = new THREE.ShaderPass(THREE.ColorifyShader);
colorifyPass.uniforms["color"].value.setRGB(0, 0, 0);
composer.addPass(colorifyPass);

var copyPass = new THREE.ShaderPass(THREE.CopyShader);
copyPass.renderToScreen = true;
composer.addPass(copyPass);

// refer to the fiddle for camera flash logic

When you click on the outcome page, it triggers a "camera flash" effect (using a modified version of the colorify shader and the standard EffectComposer from the /examples/js/postprocessing directory of three.js) while alternating between two scenes: a red cube and a blue sphere.

You can replicate the same effect to mimic a camera flash, but in that scenario, you would require two pages and implement it solely on the second page.

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