// Construct visual object display list.
void Cone::initialize()
{
setShaderValues();
initializeConeBottom();
initializeConeBody();
VisualObject::initialize();
} // end initialize
// Construct visual object display list.
void Floor2::initialize()
{
setShaderValues();
initilizeDarkSquares();
initilizeLightSquares();
VisualObject::initialize();
} // end initialize
// Construct visual object display list.
void Floor3::initialize()
{
setShaderValues();
// vector containers to hold data
vector<pntVertexData> v; // vertex positions
vector<unsigned int> indices; // indices
GLuint VBO, IBO; // Identifiers for buffer objects
vec3 n = vec3( 0.0f, 0.0f, 1.0f);
vec3 v0 = vec3( -width/2, 0.0f, 0.0f);
vec3 v1 = vec3( width/2, 0.0f, 0.0f);
vec3 v2 = vec3( width/2, height, 0.0f);
vec3 v3 = vec3( -width/2, height, 0.0f);
vec2 t0 = vec2(0.0f, 0.0f);
vec2 t1 = vec2(10.0f, 0.0f);
vec2 t2 = vec2(10.0f, 10.0f);
vec2 t3 = vec2(0.0f, 10.0f);
v.push_back( pntVertexData( v0, n, t0) ); // 0
v.push_back( pntVertexData( v1, n, t1) ); // 1
v.push_back( pntVertexData( v2, n, t2) ); // 2
v.push_back( pntVertexData( v3, n, t3) ); // 3
indices.push_back( 0 );
indices.push_back( 1 );
indices.push_back( 2 );
indices.push_back( 0 );
indices.push_back( 2 );
indices.push_back( 3 );
glGenVertexArrays (1, &vertexArrayObject);
glBindVertexArray( vertexArrayObject );
// Create the buffer to hold interleaved data and bind the data to them
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO); // Buffer for vertex data
glBufferData(GL_ARRAY_BUFFER, v.size() * sizeof(pntVertexData), &v[0], GL_STATIC_DRAW); //Buffering vertex data
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), 0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), (const GLvoid*)sizeof(vec3) );
glEnableVertexAttribArray(1);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), (const GLvoid*)(2 * sizeof(vec3)) );
glEnableVertexAttribArray(3);
// Generate a buffer for the indices
glGenBuffers(1, &IBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, IBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned int), &indices[0] , GL_STATIC_DRAW);
// store the number of indices for later use
indiceCount = indices.size();
v.clear();
indices.clear();
VisualObject::initialize();
} // end initialize
void Cube::initialize()
{
GLfloat hW = width/2.0f;
GLfloat hH = height/2.0f;
GLfloat hD = depth/2.0f;
setShaderValues();
vector<pntVertexData> v;
vec3 v0 = vec3( -hW, -hH, hD);
vec3 v1 = vec3( -hW, -hH, -hD);
vec3 v2 = vec3( hW, -hH, -hD);
vec3 v3 = vec3( hW, -hH, hD);
vec3 v4 = vec3( -hW, hH, hD);
vec3 v5 = vec3( -hW, hH, -hD);
vec3 v6 = vec3( hW, hH, -hD);
vec3 v7 = vec3(hW, hH, hD);
vec3 normal;
vec2 t0 = vec2(0.0f, 0.0f);
vec2 t1 = vec2(1.0f, 0.0f);
vec2 t2 = vec2(1.0f, 1.0f);
vec2 t3 = vec2(0.0f, 1.0f);
// 0 4 1
// 1 4 5
// 3 2 6
// 3 6 7
// 0 3 7
// 0 7 4
// 1 5 2
// 2 5 6
// 4 7 5
// 4 6 5
// 0 2 3
// 0 1 2
normal = findUnitNormal(v0, v4, v1);
v.push_back(pntVertexData(v0, normal, t1));
v.push_back(pntVertexData(v4, normal, t2));
v.push_back(pntVertexData(v1, normal, t0));
normal = findUnitNormal(v1, v4, v5);
v.push_back(pntVertexData(v1, normal, t0));
v.push_back(pntVertexData(v4, normal, t2));
v.push_back(pntVertexData(v5, normal, t3));
normal = findUnitNormal(v3, v2, v6);
v.push_back(pntVertexData(v3, normal, t0));
v.push_back(pntVertexData(v2, normal, t1));
v.push_back(pntVertexData(v6, normal, t2));
normal = findUnitNormal(v3, v6, v7);
v.push_back(pntVertexData(v3, normal, t0));
v.push_back(pntVertexData(v6, normal, t2));
v.push_back(pntVertexData(v7, normal, t3));
normal = findUnitNormal(v0, v3, v7);
v.push_back(pntVertexData(v0, normal, t0));
v.push_back(pntVertexData(v3, normal, t1));
v.push_back(pntVertexData(v7, normal, t2));
normal = findUnitNormal(v0, v7, v4);
v.push_back(pntVertexData(v0, normal, t0));
v.push_back(pntVertexData(v7, normal, t2));
v.push_back(pntVertexData(v4, normal, t3));
normal = findUnitNormal(v1, v5, v2);
v.push_back(pntVertexData(v1, normal, t0));
v.push_back(pntVertexData(v5, normal, t3));
v.push_back(pntVertexData(v2, normal, t1));
normal = findUnitNormal(v2, v5, v6);
v.push_back(pntVertexData(v2, normal, t1));
v.push_back(pntVertexData(v5, normal, t3));
v.push_back(pntVertexData(v6, normal, t2));
normal = findUnitNormal(v4, v7, v6);
v.push_back(pntVertexData(v4, normal, t0));
v.push_back(pntVertexData(v7, normal, t1));
v.push_back(pntVertexData(v6, normal, t2));
normal = findUnitNormal(v4, v6, v5);
v.push_back(pntVertexData(v4, normal, t0));
v.push_back(pntVertexData(v6, normal, t2));
v.push_back(pntVertexData(v5, normal, t3));
normal = findUnitNormal(v0, v2, v3);
v.push_back(pntVertexData(v0, normal, t3));
v.push_back(pntVertexData(v2, normal, t1));
v.push_back(pntVertexData(v3, normal, t2));
normal = findUnitNormal(v0, v1, v2);
v.push_back(pntVertexData(v0, normal, t3));
v.push_back(pntVertexData(v1, normal, t0));
v.push_back(pntVertexData(v2, normal, t1));
GLuint VBO;
glGenVertexArrays (1, &vertexArrayObject);
glBindVertexArray( vertexArrayObject );
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, v.size() * sizeof(pntVertexData), &v[0], GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), 0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), (const GLvoid*) sizeof(vec3));
glEnableVertexAttribArray(1);
glVertexAttribPointer(2, 4, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), (const GLvoid*)( sizeof(vec3) * 2));
glEnableVertexAttribArray(2);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, sizeof(pntVertexData), (const GLvoid*)(2 * sizeof(vec3)) );
glEnableVertexAttribArray(3);
numberOfIndices = v.size();
v.clear();
VisualObject::initialize();
} // end initialize
