C++ Terrain类代码示例

本文整理汇总了C++中Terrain类的典型用法代码示例。如果您正苦于以下问题：C++ Terrain类的具体用法？C++ Terrain怎么用？C++ Terrain使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Terrain类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Intersect

//check intersection of an axis-aligned box with the terrain
bool Intersect(const Terrain &t, const WFMath::AxisBox<3> &bbox)
{
    float max, min=bbox.lowCorner()[2];
    int res = t.getResolution();

    //determine which segments are involved
    //usually will just be one
    int xlow  = (int) floor(bbox.lowCorner()[0] / res);
    int xhigh = (int) gridceil(bbox.highCorner()[0] / res);
    int ylow  = (int) floor(bbox.lowCorner()[1] / res);
    int yhigh = (int) gridceil(bbox.highCorner()[1] / res);

    //loop across all tiles covered by this bbox
    for (int x = xlow; x < xhigh; x++) {
        for (int y = ylow; y < yhigh; y++) {
            //check the bbox against the extent of each tile
            //as an early rejection
            Segment *thisSeg=t.getSegment(x,y);

            if (thisSeg)
                max=thisSeg->getMax();
            else
                max=Terrain::defaultLevel;

            if (max > min) {
	        //entity bbox overlaps with the extents of this tile
		//now check each tile point covered by the entity bbox
                
                //clip the points to be tested against the bbox
                int min_x = (int) floor(bbox.lowCorner()[0] - (x * res));
                if (min_x < 0) min_x = 0;

                int max_x = (int) gridceil(bbox.highCorner()[0] - (x * res));
                if (max_x > res) min_x = res;
                
                int min_y = (int) floor(bbox.lowCorner()[1] - (y * res));
                if (min_y < 0) min_y = 0;

                int max_y = (int) gridceil(bbox.highCorner()[1] - (y * res));
                if (max_y > res) min_y = res;

                //loop over each point and see if it is greater than the minimum
                //of the bbox. If all points are below, the the bbox does NOT
                //intersect. If a single point is above, then the bbox MIGHT 
                //intersect.
                for (int xpt = min_x; xpt <= max_x; xpt++) {
		    for (int ypt = min_y; ypt <= max_y; ypt++) {
			if (thisSeg) { 
        	            if (thisSeg->get(xpt,ypt) > min) return true;
			}
			else if (Terrain::defaultLevel > min) return true;
                    }
                }
            }
        }
    }
    return false;
}

开发者ID:jekin-worldforge，项目名称:mercator，代码行数:59，代码来源:Intersect.cpp

示例2: glClear

void Viewer::draw()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glClearColor(backgroundCol.x(), backgroundCol.y(), backgroundCol.z(), 1.0f);

    if (mySky.wantSky())
         mySky.Render( );

    glEnable(GL_LIGHTING);

    if (applyGLSL)
        {
            glEnable(GL_VERTEX_PROGRAM_ARB);
            glEnable(GL_FRAGMENT_PROGRAM_ARB);
            light.position[3] = 1;
            light.setLight();
        }
    else{
        light.position[3] = 0;
        light.setLight();
    }

    QVector4D ltmp(light.position[0],light.position[1],light.position[2],light.position[3]);
    ltmp.normalize();
    GLfloat lpos[4] = {ltmp.x(),ltmp.y(),ltmp.z(),ltmp.w()};
    glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 1, lpos);

    // Draws a terrain
    if (curTerr>=0 && curTerr<terrains.size()){

        Terrain * terrain =  terrains[curTerr];
        if (applyTexture)   glBindTexture( GL_TEXTURE_2D, terrain->texid );
        else glBindTexture( GL_TEXTURE_2D, 0);
        terrain->Draw();

        //glLineWidth(10.0);
        //glPointSize(10.0);

        //glColor3f(1.0f,0.0f,0.0f);
        for (int i=0; i<terrain->artifacts.size(); i++){
            glColor3f(terrain->severity[i]/2.2f, 0.0f, 0.0f);
                drawFlag(terrain->artifacts[i]);
        }
    }

    glDisable(GL_VERTEX_PROGRAM_ARB);
    glDisable(GL_FRAGMENT_PROGRAM_ARB);

    glDisable(GL_LIGHTING);

    //glLineWidth(1.0);
    //glPointSize(1.0);



}

开发者ID:ftasse，项目名称:TerrainNavigator，代码行数:57，代码来源:interface.cpp

示例3: getTerrainHeightData

	float* SnowTerrain::getTerrainHeightData()
	{
		Terrain *t =  mTerrainGroup->getTerrain(0,0);

		// Get terrain height data using official method
		float* terrainHeightData = t->getHeightData();

		return terrainHeightData;
	}

开发者ID:pranavsureshpn，项目名称:gpusphsim，代码行数:9，代码来源:SnowTerrain.cpp

示例4: getTerrainUnderUnit

bool Map::deleteUnit(Unit* unit)
{
	Terrain* pos = getTerrainUnderUnit(unit->getID());

	m_unitList.erase(unit->getID());
	pos->setUnit(NULL);
	delete unit;
	return true;
}

开发者ID:Crumbtray，项目名称:WarGames，代码行数:9，代码来源:Map.cpp