void CubeWorld::createSkyTexture(const TCHAR* pName)
{
Ogre::MaterialPtr mat = Ogre::MaterialManager::getSingleton().create(pName, "General", true);
Ogre::Technique* tech = mat->getTechnique(0);
Ogre::Pass* pass = tech->getPass(0);
Ogre::TextureUnitState* tex = pass->createTextureUnitState();
pass->setLightingEnabled(false);
pass->setDepthCheckEnabled(false);
pass->setDepthWriteEnabled(false);
pass->setFog(true);
tex->setTextureName("clouds.jpg");
tex->setScrollAnimation(0.05, 0);
// This is a new texture state to simulate lightning
tex = pass->createTextureUnitState();
tex->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, Ogre::ColourValue(1, 1, 1));
m_SkyMaterial = mat;
updateSkyTextureLight();
}
void _makeScene()
{
mCamera->setNearClipDistance(1);
mCamera->setFarClipDistance(1000);
// Create the texture
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().createManual(
"DynamicTexture", // name
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, // type
128, 128, // width & height
0, // number of mipmaps
Ogre::PF_BYTE_BGRA, // pixel format
Ogre::TU_DEFAULT); // usage; should be TU_DYNAMIC_WRITE_ONLY_DISCARDABLE for
// textures updated very often (e.g. each frame)
// Get the pixel buffer
Ogre::HardwarePixelBufferSharedPtr pixelBuffer = texture->getBuffer();
// Lock the pixel buffer and get a pixel box
pixelBuffer->lock(Ogre::HardwareBuffer::HBL_NORMAL); // for best performance use HBL_DISCARD!
const Ogre::PixelBox& pixelBox = pixelBuffer->getCurrentLock();
Ogre::uint8* pDest = static_cast<Ogre::uint8*>(pixelBox.data);
// Fill in some pixel data. This will give a semi-transparent blue,
// but this is of course dependent on the chosen pixel format.
for (size_t j = 0; j < 128; j++)
for(size_t i = 0; i < 128; i++)
{
*pDest++ = 82 + (Ogre::Math::Sin(i) + Ogre::Math::Cos(j) * 10.5);
*pDest++ = 45 + (Ogre::Math::Cos(i) + Ogre::Math::Sin(j) * 10.5);
*pDest++ = 128 + (Ogre::Math::Tan(i) + Ogre::Math::Cos(j) * 10.5);
*pDest++ = 255; // A
}
// Unlock the pixel buffer
pixelBuffer->unlock();
// Create a material using the texture
Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().create(
"DynamicTextureMaterial", // name
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::TextureUnitState* tus = material->getTechnique(0)->getPass(0)->createTextureUnitState("DynamicTexture");
tus->setScrollAnimation(0.005f, 0.0025f);
tus->setRotateAnimation(0.009f);
material->getTechnique(0)->getPass(0)->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
Ogre::Plane plane(Ogre::Vector3::UNIT_Y, 0);
Ogre::MeshManager::getSingleton().createPlane("ground", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
plane, 1500, 1500, 1, 1, true, 1, 1, 1, Ogre::Vector3::UNIT_Z);
Ogre::Entity* entGround = mSceneMgr->createEntity("GroundEntity", "ground");
mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(entGround);
entGround->setMaterialName("DynamicTextureMaterial");
entGround->setCastShadows(false);
mCamera->setPosition(25,100,30);
mCamera->lookAt(0,0,0);
}
