void createMeshWithMaterial(String fileName)
{
String matFileNameSuffix = ".material";
String matName1 = "red";
String matFileName1 = matName1 + matFileNameSuffix;
MaterialPtr matPtr = MaterialManager::getSingleton().create(matName1, "General");
Pass* pass = matPtr->getTechnique(0)->getPass(0);
pass->setDiffuse(1.0, 0.1, 0.1, 0);
String matName2 = "green";
String matFileName2 = matName2 + matFileNameSuffix;
matPtr = MaterialManager::getSingleton().create(matName2, "General");
pass = matPtr->getTechnique(0)->getPass(0);
pass->setDiffuse(0.1, 1.0, 0.1, 0);
String matName3 = "blue";
String matFileName3 = matName3 + matFileNameSuffix;
matPtr = MaterialManager::getSingleton().create(matName3, "General");
pass = matPtr->getTechnique(0)->getPass(0);
pass->setDiffuse(0.1, 0.1, 1.0, 0);
String matName4 = "yellow";
String matFileName4 = matName4 + matFileNameSuffix;
matPtr = MaterialManager::getSingleton().create(matName4, "General");
pass = matPtr->getTechnique(0)->getPass(0);
pass->setDiffuse(1.0, 1.0, 0.1, 0);
ManualObject* manObj = OGRE_NEW ManualObject("mesh");
manObj->begin(matName1, RenderOperation::OT_TRIANGLE_LIST);
manObj->position(0, 50, 0);
manObj->position(50, 50, 0);
manObj->position(0, 100, 0);
manObj->triangle(0, 1, 2);
manObj->position(50, 100, 0);
manObj->position(0, 100, 0);
manObj->position(50, 50, 0);
manObj->triangle(3, 4, 5);
manObj->end();
manObj->begin(matName2, RenderOperation::OT_LINE_LIST);
manObj->position(0, 100, 0);
manObj->position(-50, 50, 0);
manObj->position(-50, 0, 0);
manObj->position(-50, 50, 0);
manObj->position(-100, 0, 0);
manObj->position(-50, 0, 0);
manObj->end();
manObj->begin(matName3, RenderOperation::OT_LINE_STRIP);
manObj->position(50, 100, 0);
manObj->position(100, 50, 0);
manObj->position(100, 0, 0);
manObj->position(150, 0, 0);
manObj->end();
manObj->begin(matName4, RenderOperation::OT_POINT_LIST);
manObj->position(50, 0, 0);
manObj->position(0, 0, 0);
manObj->end();
manObj->convertToMesh(fileName);
OGRE_DELETE manObj;
}
void OgreDisplay::createCylinderMesh(std::string name, std::string material)
{
//make a cube mesh
ManualObject* cylinderMesh = sceneMgr->createManualObject("cylinder");
cylinderMesh->begin(material, RenderOperation::OT_TRIANGLE_LIST);
for(double i = 0.0; i < Math::PI * 2; i += Math::PI / 5)
{
cylinderMesh->position(cos(i), 1, sin(i));
cylinderMesh->textureCoord(i / (Math::PI * 2), 1.0);
Ogre::Vector3 myNormal(cos(i), 0, sin(i));
myNormal.normalise();
cylinderMesh->normal(myNormal);
}
for(double i = 0.0; i < Math::PI * 2; i += Math::PI / 5)
{
cylinderMesh->position(cos(i), -1, sin(i));
cylinderMesh->textureCoord(i / (Math::PI * 2), 0.0);
Ogre::Vector3 myNormal(cos(i), 0, sin(i));
myNormal.normalise();
cylinderMesh->normal(myNormal);
}
for(int i = 0; i < 10; i++)
{
cylinderMesh->triangle(i, (i+1) % 10, ((i + 10) % 20));
}
for(int i = 10; i < 20; i++)
{
cylinderMesh->triangle(i, (i+1) % 10, (i+1) % 10 + 10);
}
cylinderMesh->position(0, 1, 0);
cylinderMesh->textureCoord(0.5, 0.5);
cylinderMesh->position(0, -1, 0);
cylinderMesh->textureCoord(0.5, 0.5);
for(int i = 0; i < 10; i++)
{
cylinderMesh->triangle(20, (i+1) % 10, i);
cylinderMesh->triangle(21, ((i+10) % 10) + 10, ((i+ 11) % 10) + 10);
}
cylinderMesh->end();
cylinderMesh->convertToMesh(name);
}
// source:
// http://www.ogre3d.org/forums/viewtopic.php?p=301318&sid=ce193664e1d3d7c4af509e6f4e2718c6
ManualObject* createCubeMesh(Ogre::String name, Ogre::String matName) {
ManualObject* cube = new ManualObject(name);
cube->begin(matName);
cube->position(0.5,-0.5,1.0);cube->normal(0.408248,-0.816497,0.408248);cube->textureCoord(1,0);
cube->position(-0.5,-0.5,0.0);cube->normal(-0.408248,-0.816497,-0.408248);cube->textureCoord(0,1);
cube->position(0.5,-0.5,0.0);cube->normal(0.666667,-0.333333,-0.666667);cube->textureCoord(1,1);
cube->position(-0.5,-0.5,1.0);cube->normal(-0.666667,-0.333333,0.666667);cube->textureCoord(0,0);
cube->position(0.5,0.5,1.0);cube->normal(0.666667,0.333333,0.666667);cube->textureCoord(1,0);
cube->position(-0.5,-0.5,1.0);cube->normal(-0.666667,-0.333333,0.666667);cube->textureCoord(0,1);
cube->position(0.5,-0.5,1.0);cube->normal(0.408248,-0.816497,0.408248);cube->textureCoord(1,1);
cube->position(-0.5,0.5,1.0);cube->normal(-0.408248,0.816497,0.408248);cube->textureCoord(0,0);
cube->position(-0.5,0.5,0.0);cube->normal(-0.666667,0.333333,-0.666667);cube->textureCoord(0,1);
cube->position(-0.5,-0.5,0.0);cube->normal(-0.408248,-0.816497,-0.408248);cube->textureCoord(1,1);
cube->position(-0.5,-0.5,1.0);cube->normal(-0.666667,-0.333333,0.666667);cube->textureCoord(1,0);
cube->position(0.5,-0.5,0.0);cube->normal(0.666667,-0.333333,-0.666667);cube->textureCoord(0,1);
cube->position(0.5,0.5,0.0);cube->normal(0.408248,0.816497,-0.408248);cube->textureCoord(1,1);
cube->position(0.5,-0.5,1.0);cube->normal(0.408248,-0.816497,0.408248);cube->textureCoord(0,0);
cube->position(0.5,-0.5,0.0);cube->normal(0.666667,-0.333333,-0.666667);cube->textureCoord(1,0);
cube->position(-0.5,-0.5,0.0);cube->normal(-0.408248,-0.816497,-0.408248);cube->textureCoord(0,0);
cube->position(-0.5,0.5,1.0);cube->normal(-0.408248,0.816497,0.408248);cube->textureCoord(1,0);
cube->position(0.5,0.5,0.0);cube->normal(0.408248,0.816497,-0.408248);cube->textureCoord(0,1);
cube->position(-0.5,0.5,0.0);cube->normal(-0.666667,0.333333,-0.666667);cube->textureCoord(1,1);
cube->position(0.5,0.5,1.0);cube->normal(0.666667,0.333333,0.666667);cube->textureCoord(0,0);
cube->triangle(0,1,2); cube->triangle(3,1,0);
cube->triangle(4,5,6); cube->triangle(4,7,5);
cube->triangle(8,9,10); cube->triangle(10,7,8);
cube->triangle(4,11,12); cube->triangle(4,13,11);
cube->triangle(14,8,12); cube->triangle(14,15,8);
cube->triangle(16,17,18); cube->triangle(16,19,17);
cube->end();
return cube;
}
