Monday, August 29, 2022
HomeGame DevelopmentNeed assistance with mirror reflection rendering - Cocos Creator

Need assistance with mirror reflection rendering – Cocos Creator


Hello all, I wish to create water reflection in my sport. I learn few tutorials and understood I would like to make use of second mirrored digital camera and render texture than I’ll render in aircraft, however I get hassle with the flawed dimension of render texture, or with aircraft I don’t know precisely.
Here’s what I achieved:
Right here is my world with 2 cameras (first important, second mirror reflaction)

within the backside is blue aircraft what I’m utilizing for render texture, now in play mode I’ll disable haxagons and you’ll see my rendered texture in aircraft:

As you see, the rendered texture, smaller than 3D hexagons.
My render texture has 1024×1024 dimension, and aircraft scale is (1, 1, 1), so I don’t know what I’m doing flawed.

One factor I seen that my important digital camera has isWindowSize property true, when my reflection digital camera doesn’t have this one, as a result of it has render texture. I attempted to alter the dimensions of reflection digital camera and render texture to match important’s digital camera width and top within the code, however the dimension nonetheless was flawed.


please present each digital camera settings, the digital camera fov and projection should even be aligned

Thanks for reply, I’m utilizing this code in lateUpdate, so they need to be the identical:

I feel the issue is my important digital camera isWindowsSized, when my reflation digital camera isn’t:

Reflection digital camera misplaced its isWindowsSize after I connect targetTexture to it.
Additionally, it may very well be some drawback with aircraft the place I render the feel. Nevertheless it has scale(1, 1, 1)

Are you able to publish the venture so we will see the reason for the issue?

If it’s a dimension drawback, you possibly can name the resize perform of renderTexture

If the digital camera has a renderTexture then isWindowsSize shall be set to false as a result of it’s going to name the digital camera object’s setFixedSize perform

Thanks for reply, here’s a small venture I created, you possibly can see flawed reflection:

water_reflaction_test.zip (2.6 MB)

I attempted this one to set dimension by my important digital camera width and top, however on this case I obtained very vast view in texture…

I can get appropriate view simply by modifying scale of water aircraft, however it’s flawed resolution I feel, additionally it’s magic numbers:

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