How to create the shadow by using a custom pic like this?

[vcxiaohan]

website demo
The website gem model has the custom shadow like below:

I think it is made by this shadow pic:

I wonder how to achieve that effect?

[Gundeep_Singh]

Hello, you can use contact shadow for this approach

[D13]

Oh the sparkly’s on that look soo goood!!! 3D gemstones are starting look really good!

[vcxiaohan]

I think so too. I also want to know how to achieve that effect. I use THREE.LensFlare to achieve, but it can’nt rotate. Like below:

How do I set rotation of lensflare?

Hi,thank for your reply, I try and it works, but I still don’t know how to achieve this effect,the lensflare of the diamond looks so real! Can u give me some solutions? And the website is: https://jcd.bavlo.com/WebJewelry/designInfo_pc.html?v=U2FsdGVkX18zlyGvUFvVSs4bYp5tpd7l7V7+dykNQ1M&d=U2FsdGVkX1/eavk7EVFl22O1ETAeqTfJKHHV0XD8oMY= [image]

[Chaser_Code]

Still have no time to obfuscate diamond spark code

[Insopitus]

Try drawing a rectangle on the ground and map the image to it.