irrlicht/tests/terrainSceneNode.cpp

73 lines
2.2 KiB
C++

#include "testUtils.h"
using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
bool terrainSceneNode(void)
{
IrrlichtDevice *device =
createDevice(video::EDT_OPENGL, dimension2du(160, 120), 32);
IVideoDriver* driver = device->getVideoDriver();
ISceneManager* smgr = device->getSceneManager();
ITerrainSceneNode* terrain = smgr->addTerrainSceneNode(
"../media/terrain-heightmap.bmp");
terrain->setScale(core::vector3df(40.f, .1f, 40.f));
terrain->setMaterialFlag(video::EMF_LIGHTING, false);
terrain->setMaterialTexture(0, driver->getTexture("../media/terrain-texture.jpg"));
terrain->setDebugDataVisible(scene::EDS_FULL);
ICameraSceneNode* camera = smgr->addCameraSceneNode();
const core::vector3df center (terrain->getBoundingBox().getCenter());
camera->setTarget (center);
// yes, Y is intentionally being set to X here
const core::vector3df above (center.X, center.X, center.Z);
camera->setPosition (above);
camera->setUpVector(vector3df(1.f, 0.f, 0.f));
camera->setFarValue(above.Y);
device->run();
smgr->drawAll();
// This shouldn't cause a recalc
camera->setUpVector(vector3df(1.f, 0.f, .01f).normalize());
device->run();
driver->beginScene(true, true, video::SColor(255,100,101,140));
smgr->drawAll();
driver->endScene();
// Note that this has to be a slightly fuzzier than usual compare to satisfy multiple OpenGL environments
bool result = takeScreenshotAndCompareAgainstReference(driver, "-terrainSceneNode-1.png", 97.98f);
if(!result)
{
logTestString("Small camera up rotation caused bad recalc.\n");
}
// This is big enough to cause a recalc
camera->setUpVector(vector3df(1.f, 0.f, .1f).normalize());
device->run();
driver->beginScene(true, true, video::SColor(255,100,101,140));
smgr->drawAll();
driver->endScene();
result &= takeScreenshotAndCompareAgainstReference(driver, "-terrainSceneNode-2.png", 98.38f);
if(!result)
{
logTestString("Large camera up rotation caused bad recalc.\n");
}
device->closeDevice();
device->run();
device->drop();
return result;
}