// set constant color (and force rendering w/o color array!) static void ogl_SetConstantColor( COLOR col) { ASSERT( _pGfx->gl_eCurrentAPI==GAT_OGL); ogl_DisableColorArray(); _sfStats.StartTimer(CStatForm::STI_GFXAPI); glCOLOR(col); OGL_CHECKERROR; _sfStats.StopTimer(CStatForm::STI_GFXAPI); }
// render bounding box static void RenderWireframeBox( FLOAT3D vMinVtx, FLOAT3D vMaxVtx, COLOR col) { // only for OpenGL (for now) if( _pGfx->gl_eCurrentAPI!=GAT_OGL) return; // prepare wireframe OpenGL settings gfxDisableDepthTest(); gfxDisableDepthWrite(); gfxDisableBlend(); gfxDisableAlphaTest(); gfxDisableTexture(); // fill vertex array so it represents bounding box FLOAT3D vBoxVtxs[8]; vBoxVtxs[0] = FLOAT3D( vMinVtx(1), vMinVtx(2), vMinVtx(3)); vBoxVtxs[1] = FLOAT3D( vMaxVtx(1), vMinVtx(2), vMinVtx(3)); vBoxVtxs[2] = FLOAT3D( vMaxVtx(1), vMinVtx(2), vMaxVtx(3)); vBoxVtxs[3] = FLOAT3D( vMinVtx(1), vMinVtx(2), vMaxVtx(3)); vBoxVtxs[4] = FLOAT3D( vMinVtx(1), vMaxVtx(2), vMinVtx(3)); vBoxVtxs[5] = FLOAT3D( vMaxVtx(1), vMaxVtx(2), vMinVtx(3)); vBoxVtxs[6] = FLOAT3D( vMaxVtx(1), vMaxVtx(2), vMaxVtx(3)); vBoxVtxs[7] = FLOAT3D( vMinVtx(1), vMaxVtx(2), vMaxVtx(3)); // connect vertices into lines of bounding box INDEX iBoxLines[12][2]; iBoxLines[ 0][0] = 0; iBoxLines[ 0][1] = 1; iBoxLines[ 1][0] = 1; iBoxLines[ 1][1] = 2; iBoxLines[ 2][0] = 2; iBoxLines[ 2][1] = 3; iBoxLines[ 3][0] = 3; iBoxLines[ 3][1] = 0; iBoxLines[ 4][0] = 0; iBoxLines[ 4][1] = 4; iBoxLines[ 5][0] = 1; iBoxLines[ 5][1] = 5; iBoxLines[ 6][0] = 2; iBoxLines[ 6][1] = 6; iBoxLines[ 7][0] = 3; iBoxLines[ 7][1] = 7; iBoxLines[ 8][0] = 4; iBoxLines[ 8][1] = 5; iBoxLines[ 9][0] = 5; iBoxLines[ 9][1] = 6; iBoxLines[10][0] = 6; iBoxLines[10][1] = 7; iBoxLines[11][0] = 7; iBoxLines[11][1] = 4; // for all vertices in bounding box glCOLOR(col); pglBegin( GL_LINES); for( INDEX i=0; i<12; i++) { // get starting and ending vertices of one line FLOAT3D &v0 = vBoxVtxs[iBoxLines[i][0]]; FLOAT3D &v1 = vBoxVtxs[iBoxLines[i][1]]; pglVertex3f( v0(1), v0(2), v0(3)); pglVertex3f( v1(1), v1(2), v1(3)); } pglEnd(); OGL_CHECKERROR; }