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@@ -23,6 +23,7 @@ extern LA MAIN;
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extern struct _tnsMain *T;
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void la_ReadGLocation(tnsOffscreen* off, int x, int y,float* xyz0){
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+ if(!off->pColor[2]){ tnsVectorSet3(xyz0,0,0,0); return; }
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glBindFramebuffer(GL_READ_FRAMEBUFFER, off->FboHandle);
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glReadBuffer(GL_COLOR_ATTACHMENT2); glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
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glReadPixels(x,y,1,1, GL_RGBA, GL_FLOAT, xyz0);
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