Partially fog
Blitz3D Forums/Blitz3D Programming/Partially fog
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| Hello. We are making a fishing game (like Trophy Bass etc.). Right now we are stuck with creating a fog which would be only underwater. When player throws his/hers bait into the water it would be nice to have a some kind of fog, simulating negative opacity of the water. However the fog is not recommended above the water. The problem is, that when we enalbe the fog on the camera the whole scene gets it (under and over the water surface) whether only underwater is desireable. I've tried dividing the scene with CameraViewPort func but didn't succeed. |
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| okey, my budy came with idea that worked :-) here it is: ;render upper view(without fog) CameraFogMode g_hNormalCamera, 0 ;turn of fog HideEntity g_hUnderwaterScene EntityAlpha g_hPlayer, 0 ;'HideEntity g_hPlayer ShowEntity g_hAboveWaterScene ShowEntity hWaterPlane RenderWorld CopyRect 0, 0, 1024, 768, 0, 0, BackBuffer(),ImageBuffer(g_hImageBufferUp) ;render down view (with fog) CameraFogMode g_hNormalCamera, 1 EntityAlpha g_hPlayer, 1 ;'ShowEntity g_hPlayer HideEntity g_hAboveWaterScene HideEntity hWaterPlane Showentity g_hUnderWaterScene RenderWorld CopyRect 0, 0, 1024, 768, 0, 0, BackBuffer(), ImageBuffer(g_hImageBufferDown) ; SetBuffer BackBuffer() DrawImage g_hImageBufferUp, 0, 0 DrawImage g_hImageBufferDown, 0, 0 |
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| That isn't the easiest way to do this. Take a look at CameraClsMode() to avoid having to use 2 CopyRect commands and two DrawImage commands (the latter will be very slow). |
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| (1) You could look for the camera Y position, below a certain height switch on the fog in the camera, turn it off above that level. (2) Use a second camera with the fog already set, and switch to viewing from that camera. IPete2. |
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| i think he wants to see the fog from any Y position.. but doenst want the fog to extend above the water |
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| oh okay IPete2. |
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| disable fog for everything above the water? |
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