void setLighting(GLuint program)
{
//Initialize shader lighting parameters
glm::vec4 light_position(0.0, 1.0, 0.0, 1.0);
glm::vec4 light_ambient(0.2, 0.2, 0.2, 1.0);
glm::vec4 light_diffuse(1.0, 1.0, 1.0, 1.0);
glm::vec4 light_specular(1.0, 1.0, 1.0, 1.0);
glm::vec4 material_ambient(1.0, 1.0, 1.0, 1.0);
glm::vec4 material_diffuse(1.0, 1.0, 1.0, 1.0);
glm::vec4 material_specular(1.0, 1.0, 1.0, 1.0);
float material_shininess = 50.0;
glm::vec4 ambient_product = light_ambient * material_ambient;
glm::vec4 diffuse_product = light_diffuse * material_diffuse;
glm::vec4 specular_product = light_specular * material_specular;
glUniform4fv(glGetUniformLocation(program, "AmbientProduct"), 1, (GLfloat*)&ambient_product);
glUniform4fv(glGetUniformLocation(program, "DiffuseProduct"), 1, (GLfloat*)&diffuse_product);
glUniform4fv(glGetUniformLocation(program, "SpecularProduct"), 1, (GLfloat*)&specular_product);
glUniform4fv(glGetUniformLocation(program, "LightPosition"), 1, (GLfloat*)&light_position);
glUniform1f(glGetUniformLocation(program, "Shininess"), material_shininess);
//End lighting
}
void CChildView::InitGL()
{
// Create a checkerboard pattern
for (int i = 0; i < 64; i++) {
for (int j = 0; j < 64; j++) {
GLubyte c;
c = (((i & 0x8) == 0) ^ ((j & 0x8) == 0)) * 255;
image[i][j][0] = c;
image[i][j][1] = c;
image[i][j][2] = c;
}
}
for (int i = 0; i < 64; i++) {
for (int j = 0; j < 64; j++) {
GLubyte c;
c = (((i & 0x16) == 0) | ((j & 0x16) == 0)) * 255;
image2[i][j][0] = c;
image2[i][j][1] = 0;
image2[i][j][2] = c;
}
}
m_program = LoadShaders( "ShaderWnd/vertex.glsl", "ShaderWnd/fragment.glsl" );
//GLuint vertexbuffer;
glUseProgram(m_program);
glGenTextures(2, textures);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TextureSize, TextureSize, 0, GL_RGB, GL_UNSIGNED_BYTE, image);
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_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TextureSize, TextureSize, 0, GL_RGB, GL_UNSIGNED_BYTE, image2);
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_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glActiveTexture( GL_TEXTURE0 );
glBindTexture( GL_TEXTURE_2D, textures[0]);
glActiveTexture( GL_TEXTURE1 );
glBindTexture( GL_TEXTURE_2D, textures[1]);
glActiveTexture( GL_TEXTURE2 );
glEnable(GL_TEXTURE_2D);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, m_brick.TexName());
m_cube->InitGL(m_program);
m_wall->InitGL(m_program);
point4 light_position (-5.f, 5.f, -5.f, 0.f);
color4 light_ambient (0.2f, 0.2f, 0.2f, 1.f);
color4 light_diffuse (1.f, 1.f, 1.f, 1.f);
color4 light_specular (1.f, 1.f, 1.f, 1.f);
color4 material_ambient(.3f, .3f, .3f, 1.f);
color4 material_diffuse (0.3f, .3f, 0.3f, 1.f);
color4 material_specular (1.f, 1.f, 1.f, 1.f);
float material_shininess = 100.0f;
color4 ambient_product = light_ambient*material_ambient;
color4 diffuse_product = light_diffuse*material_diffuse;
color4 specular_product = light_specular*material_specular;
glUniform4fv(glGetUniformLocation(m_program, "AmbientProduct"), 1, value_ptr(ambient_product));
glUniform4fv(glGetUniformLocation(m_program, "DiffuseProduct"), 1, value_ptr(diffuse_product));
glUniform4fv(glGetUniformLocation(m_program, "SpecularProduct"), 1, value_ptr(specular_product));
glUniform4fv(glGetUniformLocation(m_program, "LightPosition"), 1, value_ptr(light_position));
glUniform1f(glGetUniformLocation(m_program, "Shininess"), material_shininess);
//Set the value of the fragment shader texture sampler variable
// ("texture") to the the appropriate texture unit. In this case,
// zero, for GL_TEXTURE0 which was previously set by calling
// glActiveTexture().
glUniform1i( glGetUniformLocation(m_program, "diffuse_mat"), 0);
m_nPVM = glGetUniformLocation(m_program, "mPVM");
m_nVM = glGetUniformLocation(m_program, "mVM");
glClearColor(1.f,1.f,1.f,1.f);
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_SMOOTH);
// Enable blending
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
// OpenGL initialization
void
init()
{
// Subdivide a tetrahedron into a sphere
tetrahedron( NumTimesToSubdivide );
// Create a vertex array object
GLuint vao;
glGenVertexArrays( 1, &vao );
glBindVertexArray( vao );
// Create and initialize a buffer object
GLuint buffer;
glGenBuffers( 1, &buffer );
glBindBuffer( GL_ARRAY_BUFFER, buffer );
glBufferData( GL_ARRAY_BUFFER, sizeof(points) + sizeof(normals),
NULL, GL_STATIC_DRAW );
glBufferSubData( GL_ARRAY_BUFFER, 0, sizeof(points), points );
glBufferSubData( GL_ARRAY_BUFFER, sizeof(points),
sizeof(normals), normals );
// Load shaders and use the resulting shader program
GLuint program = InitShader( "vshader56.glsl", "fshader56.glsl" );
glUseProgram( program );
// set up vertex arrays
GLuint vPosition = glGetAttribLocation( program, "vPosition" );
glEnableVertexAttribArray( vPosition );
glVertexAttribPointer( vPosition, 4, GL_FLOAT, GL_FALSE, 0,
BUFFER_OFFSET(0) );
GLuint vNormal = glGetAttribLocation( program, "vNormal" );
glEnableVertexAttribArray( vNormal );
glVertexAttribPointer( vNormal, 3, GL_FLOAT, GL_FALSE, 0,
BUFFER_OFFSET(sizeof(points)) );
// Initialize shader lighting parameters
point4 light_position( 0.0, 0.0, 2.0, 0.0 );
color4 light_ambient( 0.2, 0.2, 0.2, 1.0 );
color4 light_diffuse( 1.0, 1.0, 1.0, 1.0 );
color4 light_specular( 1.0, 1.0, 1.0, 1.0 );
color4 material_ambient( 1.0, 0.0, 1.0, 1.0 );
color4 material_diffuse( 1.0, 0.8, 0.0, 1.0 );
color4 material_specular( 1.0, 0.0, 1.0, 1.0 );
float material_shininess = 5.0;
color4 ambient_product = light_ambient * material_ambient;
color4 diffuse_product = light_diffuse * material_diffuse;
color4 specular_product = light_specular * material_specular;
glUniform4fv( glGetUniformLocation(program, "AmbientProduct"),
1, ambient_product );
glUniform4fv( glGetUniformLocation(program, "DiffuseProduct"),
1, diffuse_product );
glUniform4fv( glGetUniformLocation(program, "SpecularProduct"),
1, specular_product );
glUniform4fv( glGetUniformLocation(program, "LightPosition"),
1, light_position );
glUniform1f( glGetUniformLocation(program, "Shininess"),
material_shininess );
// Retrieve transformation uniform variable locations
ModelView = glGetUniformLocation( program, "ModelView" );
Projection = glGetUniformLocation( program, "Projection" );
glEnable( GL_DEPTH_TEST );
glClearColor( 1.0, 1.0, 1.0, 1.0 ); /* white background */
}
void CChildView::InitGL()
{
// Create a checkerboard pattern
for (int i = 0; i < 64; i++) {
for (int j = 0; j < 64; j++) {
GLubyte c;
c = (((i & 0x8) == 0) ^ ((j & 0x8) == 0)) * 255;
image[i][j][0] = c;
image[i][j][1] = c;
image[i][j][2] = c;
image2[i][j][0] = c;
image2[i][j][1] = 0;
image2[i][j][2] = c;
}
}
colorcube();
m_program = LoadShaders( "ShaderWnd/vertex.glsl", "ShaderWnd/fragment.glsl" );
static const vec4 g_vertex_buffer_data[] = {
vec4(-1.0f, -1.0f, 0.0f, 1.0f),
vec4(1.0f, -1.0f, 0.0f, 1.0f),
vec4(0.0f, 0.5f, 0.0f, 1.0f)
};
static const vec4 g_color_buffer_data[] = {
vec4(1.0f, 0.0f, 0.0f, 1.0f),
vec4(0.0f, 1.0f, 0.0f, 1.0f),
vec4(0.0f, 0.0f, 1.0f, 1.0f)
};
//GLuint vertexbuffer;
glUseProgram(m_program);
GLuint vao;
glGenVertexArrays( 1, &vao);
glBindVertexArray( vao);
/*glGenBuffers(1, &vertexbuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(g_vertex_buffer_data), g_vertex_buffer_data, GL_STATIC_DRAW);*/
glGenTextures(2, textures);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TextureSize, TextureSize, 0, GL_RGB, GL_UNSIGNED_BYTE, image);
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_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TextureSize, TextureSize, 0, GL_RGB, GL_UNSIGNED_BYTE, image2);
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_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glActiveTexture( GL_TEXTURE0 );
glBindTexture( GL_TEXTURE_2D, textures[0]);
glActiveTexture( GL_TEXTURE1 );
glBindTexture( GL_TEXTURE_2D, textures[1]);
// Create and initialize a buffer object
GLuint buffer;
glGenBuffers(1, &buffer);
glBindBuffer(GL_ARRAY_BUFFER, buffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(points) + sizeof(tex_coords) + sizeof(normals), NULL, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(points), value_ptr(points[0]));
glBufferSubData(GL_ARRAY_BUFFER, sizeof(points), sizeof(normals), value_ptr(normals[0]));
glBufferSubData(GL_ARRAY_BUFFER, sizeof(points) + sizeof(normals), sizeof(tex_coords), value_ptr(tex_coords[0]));
point4 light_position (-5.f, 5.f, -5.f, 0.f);
color4 light_ambient (0.2f, 0.2f, 0.2f, 1.f);
color4 light_diffuse (1.f, 1.f, 1.f, 1.f);
color4 light_specular (1.f, 1.f, 1.f, 1.f);
color4 material_ambient(.3f, .6f, .3f, 1.f);
color4 material_diffuse (0.3f, .6f, 0.3f, 1.f);
color4 material_specular (1.f, 1.f, 1.f, 1.f);
float material_shininess = 100.0f;
color4 ambient_product = light_ambient*material_ambient;
color4 diffuse_product = light_diffuse*material_diffuse;
color4 specular_product = light_specular*material_specular;
glUniform4fv(glGetUniformLocation(m_program, "AmbientProduct"), 1, value_ptr(ambient_product));
glUniform4fv(glGetUniformLocation(m_program, "DiffuseProduct"), 1, value_ptr(diffuse_product));
glUniform4fv(glGetUniformLocation(m_program, "SpecularProduct"), 1, value_ptr(specular_product));
glUniform4fv(glGetUniformLocation(m_program, "LightPosition"), 1, value_ptr(light_position));
glUniform1f(glGetUniformLocation(m_program, "Shininess"), material_shininess);
// set up vertex arrays (after shaders are loaded)
GLuint vPosition = glGetAttribLocation(m_program, "vPosition");
glEnableVertexAttribArray(vPosition);
glVertexAttribPointer(vPosition, 4, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
GLuint vNormal = glGetAttribLocation(m_program, "vNormal");
glEnableVertexAttribArray(vNormal);
glVertexAttribPointer(vNormal, 3, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(sizeof(points)));
GLuint vTex = glGetAttribLocation(m_program, "vTexCoord");
glEnableVertexAttribArray(vTex);
glVertexAttribPointer(vTex, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(sizeof(points)+sizeof(normals)));
// Set the value of the fragment shader texture sampler variable
// ("texture") to the the appropriate texture unit. In this case,
// zero, for GL_TEXTURE0 which was previously set by calling
// glActiveTexture().
glUniform1i( glGetUniformLocation(m_program, "diffuse_mat"), 0);
m_nPVM = glGetUniformLocation(m_program, "mPVM");
m_nVM = glGetUniformLocation(m_program, "mVM");
glClearColor(1.f,1.f,1.f,1.f);
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_SMOOTH);
}
// OpenGL initialization
void
init()
{
// Create a vertex array object
GLuint vao, vbo, ebo;
glGenVertexArrays( 1,&vao);
glBindVertexArray( vao );
// Create Vertex and Normal buffer
glGenBuffers(1,&vbo);
glBindBuffer(GL_ARRAY_BUFFER,vbo);
glBufferData(GL_ARRAY_BUFFER,sizeof(vertexarray) + sizeof(normalarray),NULL,GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER,0,sizeof(vertexarray),vertexarray);
glBufferSubData(GL_ARRAY_BUFFER,sizeof(vertexarray),sizeof(normalarray),normalarray);
// Load shaders and use the resulting shader program
GLuint program = InitShader( "vshader56.glsl", "fshader56.glsl" );
glUseProgram( program );
// set up vertex arrays
GLuint vPosition = glGetAttribLocation(program, "vPosition" );
glVertexAttribPointer(vPosition,3,GL_FLOAT,GL_FALSE,0,BUFFER_OFFSET(0));
glEnableVertexAttribArray( vPosition );
GLuint vNormal = glGetAttribLocation(program, "vNormal" );
glVertexAttribPointer(vNormal,3,GL_FLOAT,GL_FALSE,0,BUFFER_OFFSET(sizeof(vertexarray)));
glEnableVertexAttribArray( vNormal );
// Create Element Array Buffer
glGenBuffers(1,&ebo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,ebo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(elems),elems,GL_STATIC_DRAW);
// Initialize shader lighting parameters for light 1
point4 light_position1( -0.5, -1.0, 2.0, 0.0 );
color4 light_ambient1( 0.3, 0.2, 0.2, 1.0 );
color4 light_diffuse1( 0.9, 0.6, 0.6, 1.0 );
color4 light_specular1( 1.0, 0.6, 0.6, 1.0 );
// Initialize shader lighting parameters for light 2
point4 light_position2( 0.5, 1.0, -1.0, 0.0 );
color4 light_ambient2( 0.2, 0.2, 0.3, 1.0 );
color4 light_diffuse2( 0.6, 0.6, 0.9, 1.0 );
color4 light_specular2( 0.6, 0.6, 1.0, 1.0 );
// Initialize shader material parameters for cube
color4 material_ambient( 0.4, 0.25, 0.1, 1.0 );
color4 material_diffuse( 0.8, 0.5, 0.2, 1.0 );
color4 material_specular( 0.8, 0.8, 0.8, 1.0 );
float material_shininess = 16.0;
color4 ambient_product1 = (light_ambient1) * material_ambient;
color4 diffuse_product1 = (light_diffuse1) * material_diffuse;
color4 specular_product1 = (light_specular1) * material_specular;
color4 ambient_product2 = (light_ambient2) * material_ambient;
color4 diffuse_product2 = (light_diffuse2) * material_diffuse;
color4 specular_product2 = (light_specular2) * material_specular;
glUniform4fv( glGetUniformLocation(program, "AmbientProduct1"),
1, ambient_product1 );
glUniform4fv( glGetUniformLocation(program, "AmbientProduct2"),
1, ambient_product2 );
glUniform4fv( glGetUniformLocation(program, "DiffuseProduct1"),
1, diffuse_product1 );
glUniform4fv( glGetUniformLocation(program, "DiffuseProduct2"),
1, diffuse_product2 );
glUniform4fv( glGetUniformLocation(program, "SpecularProduct1"),
1, specular_product1 );
glUniform4fv( glGetUniformLocation(program, "SpecularProduct2"),
1, specular_product2 );
glUniform4fv( glGetUniformLocation(program, "LightPosition1"),
1, light_position1 );
glUniform4fv( glGetUniformLocation(program, "LightPosition2"),
1, light_position2 );
glUniform1f( glGetUniformLocation(program, "Shininess"),
material_shininess );
// Retrieve transformation uniform variable locations
ModelView = glGetUniformLocation( program, "ModelView" );
Projection = glGetUniformLocation( program, "Projection" );
glEnable( GL_DEPTH_TEST );
glClearColor( 1.0, 1.0, 1.0, 1.0 ); /* white background */
}