void init(void)
{
makeCheckImage();
generateCylinder(&cylinder);
generatePerFaceNormals(&cylinder);
generatePerVertexNormals(true, &cylinder, 30);
}
Cylinder::Cylinder(const D3DXVECTOR3& position, float height, float radius, int stacks, int slices, uint32_t color, bool randomColor, IDirect3DDevice9 *d3dDevice, IDirect3DVertexShader9 *shader):
Object(d3dDevice), m_vertexBuffer(0), m_indexBuffer(0), m_shader(shader), m_bones(0), m_time(0), m_height(height)
{
uint16_t *indices;
Vertex *vertices;
generateCylinder(stacks, slices, radius, height, color, randomColor, &indices, &vertices, m_indexCount, m_vertexCount);
if(0 != m_d3dDevice)
{
if(!FAILED(m_d3dDevice->CreateVertexBuffer(m_vertexCount * sizeof(Vertex), D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &m_vertexBuffer, 0)))
{
void *vertexPointer;
if(!FAILED(m_vertexBuffer->Lock(0, m_vertexCount * sizeof(Vertex), (void**)&vertexPointer, 0)))
{
memcpy(vertexPointer, vertices, m_vertexCount * sizeof(Vertex));
}
if(FAILED(m_vertexBuffer->Unlock()))
{
m_vertexBuffer = 0;
}
}
if(!FAILED(m_d3dDevice->CreateIndexBuffer(m_indexCount * sizeof(uint16_t), D3DUSAGE_WRITEONLY, D3DFMT_INDEX16, D3DPOOL_DEFAULT, &m_indexBuffer, 0)))
{
void *indexPointer;
if(!FAILED(m_indexBuffer->Lock(0, m_indexCount * sizeof(uint16_t), (void**)&indexPointer, 0)))
{
memcpy(indexPointer, indices, m_indexCount * sizeof(uint16_t));
}
if(FAILED(m_indexBuffer->Unlock()))
{
m_indexBuffer = 0;
}
}
}
setColor(color);
delete[] indices;
delete[] vertices;
m_bones = new D3DXMATRIX[2];
D3DXMatrixIdentity(&m_bones[0]);
D3DXMatrixIdentity(&m_bones[1]);
D3DXMatrixTranspose(&m_bones[0], &m_bones[0]);
D3DXMatrixTranspose(&m_bones[1], &m_bones[1]);
m_d3dDevice->SetVertexShader(m_shader);
setPosition(position);
}
af::Mesh<float>::Ptr
af::generateCylinder (Eigen::Vector3f &orig, Eigen::Vector3f &tip,
const int num_circle_samples, const int num_length_samples,
const double radius)
{
double length = (orig - tip).norm ();
af::Mesh<float>::Ptr mesh = generateCylinder (radius, length, num_circle_samples, num_length_samples);
/// Rotate the cylinder
float angle = acos (Eigen::Vector3f::UnitZ ().dot ((tip - orig).normalized ()));
Eigen::Vector3f axis = (Eigen::Vector3f::UnitZ ().cross ((tip - orig).normalized ())).normalized ();
Eigen::Matrix3f rot = Eigen::AngleAxisf (angle, axis).matrix ();
std::cerr << "rotation matrix:\n" << rot << std::endl;
for (size_t v_i = 0; v_i < mesh->vertices_.cols (); ++v_i)
mesh->vertices_.col (v_i) = rot * mesh->vertices_.col (v_i) + orig;
return (mesh);
}
// Performs most of the OpenGL intialization -- change these with care, if you must.
void myinit(void)
{
#ifndef EMSCRIPTEN
GLuint program = InitShader( "../my code/vshader.glsl", "../my code/fshader.glsl" ); // Load shaders and use the resulting shader program
#else
GLuint program = InitShader( "vshader.glsl", "fshader.glsl" ); // Load shaders and use the resulting shader program
#endif
glUseProgram(program);
// Generate vertex arrays for geometric shapes
generateCube(program, &cubeData);
generateSphere(program, &sphereData);
generateCone(program, &coneData);
generateCylinder(program, &cylData);
uModelView = glGetUniformLocation( program, "ModelView" );
uProjection = glGetUniformLocation( program, "Projection" );
uView = glGetUniformLocation( program, "View" );
glClearColor( 0.1, 0.1, 0.2, 1.0 ); // dark blue background
uAmbient = glGetUniformLocation( program, "AmbientProduct" );
uDiffuse = glGetUniformLocation( program, "DiffuseProduct" );
uSpecular = glGetUniformLocation( program, "SpecularProduct" );
uLightPos = glGetUniformLocation( program, "LightPosition" );
uShininess = glGetUniformLocation( program, "Shininess" );
uTex = glGetUniformLocation( program, "Tex" );
uEnableTex = glGetUniformLocation( program, "EnableTex" );
glUniform4f(uAmbient, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform4f(uDiffuse, 0.6f, 0.6f, 0.6f, 1.0f);
glUniform4f(uSpecular, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform4f(uLightPos, 15.0f, 15.0f, 30.0f, 0.0f);
glUniform1f(uShininess, 100.0f);
glEnable(GL_DEPTH_TEST);
Arcball = new BallData;
Ball_Init(Arcball);
Ball_Place(Arcball,qOne,0.75);
}
/**************************************************************
*
* add the static menu bars
*
*************************************************************/
void
MainWindow::addStaticMenuBarContent()
{
qDebug("Beginning addStaticMenuBarContent");
//File
QPopupMenu* fileMenu = _menus.find(FILE_KEY);
if(!fileMenu)
{
std::cout << "PROUT" << std::endl;
QPopupMenu * file = new QPopupMenu( this );
_menus.insert(FILE_KEY, file);
menuBar()->insertItem( FILE_KEY, _menus[FILE_KEY]);
}
_menus[FILE_KEY]->insertSeparator();
//Cylinder Menu
QPopupMenu* cylinderMenu = _menus.find(CYLINDER_KEY);
if (!cylinderMenu)
{
QPopupMenu * help = new QPopupMenu( this );
_menus.insert(CYLINDER_KEY, help);
menuBar()->insertItem( CYLINDER_KEY, _menus[CYLINDER_KEY]);
}
QAction* generateCylinderAction = new QAction("generate",
QIconSet( QPixmap(IMAGES_DIR + CYLINDER_IMAGE) ),
"&Generate",
CTRL+Key_G,
this);
connect(generateCylinderAction,
SIGNAL( activated() ),
this,
SLOT( generateCylinder() ) );
generateCylinderAction->addTo(_menus[CYLINDER_KEY]);
_toolBar->addSeparator();
generateCylinderAction->addTo(_toolBar);
QAction* quitAction = new QAction("quit",
QIconSet( QPixmap(IMAGES_DIR + QUIT_IMAGE) ),
"&Quit",
CTRL+Key_Q,
this);
connect(quitAction,
SIGNAL( activated() ),
qApp,
SLOT( quit() ) );
quitAction->addTo(_menus[FILE_KEY]);
_toolBar->addSeparator();
quitAction->addTo(_toolBar);
//Tools Menu
QPopupMenu* toolsMenu = _menus.find(TOOLS_KEY);
if (!toolsMenu)
{
QPopupMenu * tools = new QPopupMenu( this );
_menus.insert(TOOLS_KEY, tools);
menuBar()->insertItem( TOOLS_KEY, _menus[TOOLS_KEY]);
}
//_menus[TOOLS_KEY]->insertItem("Validate Solid", this, SLOT( validation() ) );
//Help Menu with about
QPopupMenu* helpMenu = _menus.find(HELP_KEY);
if (!helpMenu)
{
QPopupMenu * help = new QPopupMenu( this );
_menus.insert(HELP_KEY, help);
menuBar()->insertItem( HELP_KEY, _menus[HELP_KEY]);
}
_menus[HELP_KEY]->insertItem( "Getting &Started", this, SLOT(manual()));
_menus[HELP_KEY]->insertItem( "&About", this, SLOT(about()));
}
void myinit(void)
{
// Load shaders and use the resulting shader program
GLuint program = InitShader( "vshader.glsl", "fshader.glsl" );
glUseProgram(program);
// Generate vertex arrays for geometric shapes
generateCube(program, &cubeData);
generateSphere(program, &sphereData);
generateCone(program, &coneData);
generateCylinder(program, &cylData);
generatePyramid(program, &pyramidData);
uModelView = glGetUniformLocation( program, "ModelView" );
uProjection = glGetUniformLocation( program, "Projection" );
uView = glGetUniformLocation( program, "View" );
glClearColor( .1, .1, .6, 1.0 ); // dark blue background
uAmbient = glGetUniformLocation( program, "AmbientProduct" );
uDiffuse = glGetUniformLocation( program, "DiffuseProduct" );
uSpecular = glGetUniformLocation( program, "SpecularProduct" );
uLightPos = glGetUniformLocation( program, "LightPosition" );
uShininess = glGetUniformLocation( program, "Shininess" );
uTex = glGetUniformLocation( program, "Tex" );
uEnableTex = glGetUniformLocation( program, "EnableTex" );
glUniform4f(uAmbient, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform4f(uDiffuse, 0.6f, 0.6f, 0.6f, 1.0f);
glUniform4f(uSpecular, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform4f(uLightPos, 15.0f, 15.0f, 30.0f, 0.0f);
glUniform1f(uShininess, 100.0f);
glEnable(GL_DEPTH_TEST);
TgaImage coolImage;
if (!coolImage.loadTGA("dirt.tga"))
{
printf("Error loading image file\n");
exit(1);
}
TgaImage earthImage;
if (!earthImage.loadTGA("earth.tga"))
{
printf("Error loading image file\n");
exit(1);
}
TgaImage roofImage;
if (!roofImage.loadTGA("roof.tga"))
{
printf("Error loading image file\n");
exit(1);
}
TgaImage treeImage;
if (!treeImage.loadTGA("tree.tga"))
{
printf("Error loading image file\n");
exit(1);
}
TgaImage skyImage;
if (!skyImage.loadTGA("sky.tga"))
{
printf("Error loading image file\n");
exit(1);
}
TgaImage stoneImage;
if (!stoneImage.loadTGA("stone.tga"))
{
printf("Error loading image file\n");
exit(1);
}
TgaImage leafImage;
if (!leafImage.loadTGA("leaf.tga"))
{
printf("Error loading image file\n");
exit(1);
}
glGenTextures( 1, &texture_cube );
glBindTexture( GL_TEXTURE_2D, texture_cube );
glTexImage2D(GL_TEXTURE_2D, 0, 4, coolImage.width, coolImage.height, 0,
(coolImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, coolImage.data );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glGenTextures( 1, &texture_earth );
glBindTexture( GL_TEXTURE_2D, texture_earth );
glTexImage2D(GL_TEXTURE_2D, 0, 4, earthImage.width, earthImage.height, 0,
(earthImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, earthImage.data );
//roof
glGenTextures( 1, &texture_roof );
glBindTexture( GL_TEXTURE_2D, texture_roof );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexImage2D(GL_TEXTURE_2D, 0, 4, roofImage.width, roofImage.height, 0,
(roofImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, roofImage.data );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glGenTextures( 1, &texture_trees );
glBindTexture( GL_TEXTURE_2D, texture_trees );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexImage2D(GL_TEXTURE_2D, 0, 4, treeImage.width, treeImage.height, 0,
(treeImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, treeImage.data );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glGenTextures( 1, &texture_leaf );
glBindTexture( GL_TEXTURE_2D, texture_leaf );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexImage2D(GL_TEXTURE_2D, 0, 4, leafImage.width, leafImage.height, 0,
(leafImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, leafImage.data );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glGenTextures( 1, &texture_stone );
glBindTexture( GL_TEXTURE_2D, texture_stone );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glTexImage2D(GL_TEXTURE_2D, 0, 4, stoneImage.width, stoneImage.height, 0,
(stoneImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, stoneImage.data );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
// Set texture sampler variable to texture unit 0
// (set in glActiveTexture(GL_TEXTURE0))
glUniform1i( uTex, 0);
Arcball = new BallData;
Ball_Init(Arcball);
Ball_Place(Arcball,qOne,0.75);
}
bool Engine::init(int width, int height, HINSTANCE hInstance)
{
WNDCLASSEX wc = {sizeof(WNDCLASSEX), CS_CLASSDC, ::WindowProc, 0, 0, hInstance, 0, 0, 0, 0, "CG Task3", 0};
if (0 == RegisterClassEx(&wc))
{
return false;
}
m_window = CreateWindow("CG Task3", "CG Task3: Cylinder", (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX), 0, 0, width, height, GetDesktopWindow(), 0, hInstance, 0);
if(NULL == m_window)
{
return false;
}
m_d3d = Direct3DCreate9(D3D_SDK_VERSION);
if(!m_d3d)
{
return false;
}
D3DPRESENT_PARAMETERS d3dpp = {0};
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
d3dpp.EnableAutoDepthStencil = TRUE;
d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
HRESULT hr = m_d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, m_window,
D3DCREATE_HARDWARE_VERTEXPROCESSING, &d3dpp, &m_d3dDevice);
if(FAILED(hr) || !m_d3dDevice)
{
return false;
}
m_d3dDevice->SetRenderState(D3DRS_AMBIENT, AMBIENT_COLOR);
m_d3dDevice->SetRenderState(D3DRS_LIGHTING, false);
m_d3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
m_d3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
m_d3dDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
m_d3dDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
//m_d3dDevice->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
D3DVERTEXELEMENT9 vertexDeclaration[] = {
{0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
{0, 3 * sizeof(float), D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0},
D3DDECL_END()};
IDirect3DVertexDeclaration9 *decl;
if(FAILED(m_d3dDevice->CreateVertexDeclaration(vertexDeclaration, &decl)))
{
return false;
}
if(FAILED(m_d3dDevice->SetVertexDeclaration(decl)))
{
return false;
}
decl->Release();
Vertex *vertices;
uint16_t *indices;
generateCylinder(CYLINDER_STACKS, CYLINDER_SLICES, CYLINDER_RADIUS, CYLINDER_HEIGHT, 0x80000000, true, &indices, &vertices, m_indexCount, m_vertexCount);
if((0 == vertices) || (0 == indices))
{
return false;
}
if(FAILED(m_d3dDevice->CreateVertexBuffer(m_vertexCount * sizeof(Vertex), D3DUSAGE_WRITEONLY, 0, D3DPOOL_DEFAULT, &m_vertexBuffer, 0)))
{
return false;
}
void *vertexPointer;
if(FAILED(m_vertexBuffer->Lock(0, m_vertexCount * sizeof(Vertex), (void**)&vertexPointer, 0)))
{
return false;
}
memcpy(vertexPointer, vertices, m_vertexCount * sizeof(Vertex));
if(FAILED(m_vertexBuffer->Unlock()))
{
return false;
}
if(FAILED(m_d3dDevice->CreateIndexBuffer(m_indexCount * sizeof(uint16_t), D3DUSAGE_WRITEONLY, D3DFMT_INDEX16, D3DPOOL_DEFAULT, &m_indexBuffer, 0)))
{
return false;
}
void *indexPointer;
if(FAILED(m_indexBuffer->Lock(0, m_indexCount * sizeof(uint16_t), (void**)&indexPointer, 0)))
{
return false;
}
memcpy(indexPointer, indices, m_indexCount * sizeof(uint16_t));
if(FAILED(m_indexBuffer->Unlock()))
{
return false;
}
#include "shader.h"
if (FAILED(m_d3dDevice->CreateVertexShader(g_vs11_main, &m_shader)))
{
return false;
}
m_mainCamera.setDirection(DEFAULT_CAMERA_LOOK, DEFAULT_CAMERA_UP);
D3DXVECTOR3 look = m_mainCamera.look();
m_mainCamera.setPosition(*D3DXVec3Scale(&look, &look, -m_radius));
D3DXMatrixIdentity(&m_worldMatrix);
resize(width, height);
m_bones = new D3DXMATRIX[2];
D3DXMatrixIdentity(&m_bones[0]);
D3DXMatrixIdentity(&m_bones[1]);
D3DXMatrixTranspose(&m_bones[0], &m_bones[0]);
D3DXMatrixTranspose(&m_bones[1], &m_bones[1]);
m_d3dDevice->SetVertexShader(m_shader);
if(FAILED(m_d3dDevice->SetVertexShaderConstantF(4, &(m_bones[0].m[0][0]), 4)))
{
return false;
}
if(FAILED(m_d3dDevice->SetVertexShaderConstantF(8, &(m_bones[1].m[0][0]), 4)))
{
return false;
}
float sizeConst[4];
sizeConst[0] = 1 / CYLINDER_HEIGHT;
if(FAILED(m_d3dDevice->SetVertexShaderConstantF(12, sizeConst, 1)))
{
return false;
}
updateMatrices();
return true;
}
void Cylinder::init(const char *textureFile)
{
m_textureOn = (textureFile[0] != '\0')? true: false;
// Allocate space for vertices
memAlloc();
m_circlePoints = new vec2[m_numDivisions];
generateCylinder(); // generate cylinder points
// Create a vertex array object
#ifdef __APPLE__
glGenVertexArraysAPPLE(1, &m_vertexArrayObject);
glBindVertexArrayAPPLE(m_vertexArrayObject);
#else
glGenVertexArrays(1, &m_vertexArrayObject);
glBindVertexArray(m_vertexArrayObject);
#endif
// Create a buffer object
glGenBuffers(1, &m_vertexBufferObject);
glBindBuffer(GL_ARRAY_BUFFER, m_vertexBufferObject);
// Initialize buffer
glBufferData(GL_ARRAY_BUFFER, (sizeof(m_vertices[0]) + sizeof(m_normals[0]) + sizeof(m_textureUV[0]))*m_numVertices + sizeof(m_edges[0])*m_numEdges, NULL, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(m_vertices[0])*m_numVertices, m_vertices);
glBufferSubData(GL_ARRAY_BUFFER, sizeof(m_vertices[0])*m_numVertices, sizeof(m_edges[0])*m_numEdges, m_edges);
glBufferSubData(GL_ARRAY_BUFFER, sizeof(m_vertices[0])*m_numVertices + sizeof(m_edges[0])*m_numEdges, sizeof(m_normals[0])*m_numVertices, m_normals);
glBufferSubData(GL_ARRAY_BUFFER, (sizeof(m_vertices[0]) + sizeof(m_normals[0]))*m_numVertices + sizeof(m_edges[0])*m_numEdges, sizeof(m_textureUV[0])*m_numVertices, m_textureUV);
// Load shaders and use the resulting shader program
m_program = InitShader("vshader.glsl", "fshader.glsl");
glUseProgram(m_program);
// Specify vertex positions as an input to the shader program
GLuint position = glGetAttribLocation(m_program, "vPosition");
glEnableVertexAttribArray(position);
glVertexAttribPointer(position, 4, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
// Specify normal vectors as an input to the shader program
GLuint normal = glGetAttribLocation(m_program, "vNormal");
glEnableVertexAttribArray(normal);
glVertexAttribPointer(normal, 3, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(sizeof(m_vertices[0])*m_numVertices + sizeof(m_edges[0])*m_numEdges));
// Specify texture positions as an input to the shader program
GLuint texture = glGetAttribLocation(m_program, "vTexture");
glEnableVertexAttribArray(texture);
glVertexAttribPointer(texture, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET((sizeof(m_vertices[0]) + sizeof(m_normals[0]))*m_numVertices + sizeof(m_edges[0])*m_numEdges));
// Load image
TgaImage image;
if(m_textureOn && !image.loadTGA(textureFile))
{
printf("Error loading image file\n");
exit(1);
}
// Bind texture
glGenTextures(1, &m_textureBufferObject);
glBindTexture(GL_TEXTURE_2D, m_textureBufferObject);
glTexImage2D(GL_TEXTURE_2D, 0, 4, image.width, image.height, 0, (image.byteCount == 3) ? GL_BGR : GL_BGRA, GL_UNSIGNED_BYTE, image.data);
glGenerateMipmap(GL_TEXTURE_2D);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glUniform1i(glGetUniformLocation(m_program, "Tex"), 0);
// Clean up
delete [] m_vertices;
delete [] m_edges;
delete [] m_textureUV;
delete [] m_normals;
delete [] m_circlePoints;
}
void initPrimitives(GLuint program) {
generateCube ( program, &cubeData );
generateSphere ( program, &sphereData );
generateCone ( program, &coneData );
generateCylinder( program, &cylData );
}
void myinit(void)
{
// Load shaders and use the resulting shader program
GLuint program = InitShader( "vshader.glsl", "fshader.glsl" );
glUseProgram(program);
// Generate vertex arrays for geometric shapes
generateGrass(program, &grassData);
generateHeart(program, &heartData);
generateCube(program, &cubeData);
generateSphere(program, &sphereData);
generateCone(program, &coneData);
generateCylinder(program, &cylData);
uModelView = glGetUniformLocation( program, "ModelView" );
uProjection = glGetUniformLocation( program, "Projection" );
uView = glGetUniformLocation( program, "View" );
glClearColor( 0.5, 0.5, 1.0, 1.0 ); // dark blue background
uAmbient = glGetUniformLocation( program, "AmbientProduct" );
uDiffuse = glGetUniformLocation( program, "DiffuseProduct" );
uSpecular = glGetUniformLocation( program, "SpecularProduct" );
uLightPos = glGetUniformLocation( program, "LightPosition" );
uShininess = glGetUniformLocation( program, "Shininess" );
uTex = glGetUniformLocation( program, "Tex" );
uEnableTex = glGetUniformLocation( program, "EnableTex" );
glUniform4f(uAmbient, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform4f(uDiffuse, 0.6f, 0.6f, 0.6f, 1.0f);
glUniform4f(uSpecular, 0.2f, 0.2f, 0.2f, 1.0f);
glUniform4f(uLightPos, 15.0f, 15.0f, 30.0f, 0.0f);
glUniform1f(uShininess, 100.0f);
glEnable(GL_DEPTH_TEST);
TgaImage coolImage;
if (!coolImage.loadTGA("challenge.tga"))
{
printf("Error loading image file\n");
exit(1);
}
GLuint texture;
glGenTextures( 1, &texture );
glBindTexture( GL_TEXTURE_2D, texture );
glTexImage2D(GL_TEXTURE_2D, 0, 4, coolImage.width, coolImage.height, 0,
(coolImage.byteCount == 3) ? GL_BGR : GL_BGRA,
GL_UNSIGNED_BYTE, coolImage.data );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
glActiveTexture( GL_TEXTURE0 );
glBindTexture( GL_TEXTURE_2D, texture );
// Set texture sampler variable to texture unit 0
// (set in glActiveTexture(GL_TEXTURE0))
glUniform1i( uTex, 0 );
Arcball = new BallData ;
Ball_Init(Arcball);
Ball_Place(Arcball,qOne,0.75);
}
