void setup_rc() {
load_vertices("geode_vertices.dat", vertices);
load_faces("geode_faces.dat", faces);
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(float), &vertices[0], GL_STATIC_DRAW);
glVertexAttribPointer(GLT_ATTRIBUTE_VERTEX, 4 ,GL_FLOAT,GL_FALSE, sizeof(float) * 7, (const GLvoid *)0);
glVertexAttribPointer(GLT_ATTRIBUTE_NORMAL, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const GLvoid *)(4*sizeof(float)) );
glEnableVertexAttribArray(GLT_ATTRIBUTE_VERTEX);
glEnableVertexAttribArray(GLT_ATTRIBUTE_NORMAL);
//---
glGenBuffers(1, &faces_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, faces_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, faces.size() * sizeof(GLuint), &faces[0], GL_STATIC_DRAW);
//---
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
shader_light = gltLoadShaderPairWithAttributes("gouraud_shading.vp", "gouraud_shading.fp", 3, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color", GLT_ATTRIBUTE_NORMAL, "vertex_normal");
shader_color = gltLoadShaderPairWithAttributes("pass_thru_shader.vp", "pass_thru_shader.fp", 2, GLT_ATTRIBUTE_VERTEX, "vertex_position", GLT_ATTRIBUTE_COLOR, "vertex_color");
mvp_matrix_location_shader_color = glGetUniformLocation(shader_color, "mvp_matrix");
mvp_matrix_location = glGetUniformLocation(shader_light, "mvp_matrix");
mv_matrix_location = glGetUniformLocation(shader_light, "mv_matrix");
v_matrix_location = glGetUniformLocation(shader_light, "v_matrix");
normal_matrix_location = glGetUniformLocation(shader_light, "normal_matrix");
intensity_ambient_component_location = glGetUniformLocation(shader_light, "intensity_ambient_component");
light_0_position_location = glGetUniformLocation(shader_light, "light_0.position");
light_0_intensity_diffuse_location = glGetUniformLocation(shader_light, "light_0.intensity_diffuse");
light_0_intensity_specular_location = glGetUniformLocation(shader_light, "light_0.intensity_specular");
light_0_attenuation_location = glGetUniformLocation(shader_light, "light_0.attenuation");
material_0_ka_location = glGetUniformLocation(shader_light, "material_0.ka");
material_0_kd_location = glGetUniformLocation(shader_light, "material_0.kd");
material_0_ks_location = glGetUniformLocation(shader_light, "material_0.ks");
material_0_alpha_location = glGetUniformLocation(shader_light, "material_0.alpha");
light_0.set_position(0.0f, 0.0f, 0.0f);
light_0.set_intensity_diffuse(1.0f, 1.0f, 1.0f);
light_0.set_intensity_specular(1.0f, 1.0f, 1.0f);
light_0.set_attenuation(0.0f, 0.1f, 0.0f);
material_0.set_parameters(1.0f, 1.0f, 1.0f, 200.0f);
geometry_pipeline.SetMatrixStacks(mv_stack, p_stack);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glFrontFace(GL_CCW);
}
void RenderScene(void) {
load_vertices("geode_vertices.dat", vertices);
load_faces("geode_faces.dat", faces);
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(float), &vertices[0], GL_STATIC_DRAW);
glVertexAttribPointer(GLT_ATTRIBUTE_VERTEX, 4 ,GL_FLOAT,GL_FALSE, sizeof(float) * 7, (const GLvoid *)0);
glVertexAttribPointer(GLT_ATTRIBUTE_NORMAL, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 7, (const GLvoid *)(4*sizeof(float)) );
glEnableVertexAttribArray(GLT_ATTRIBUTE_VERTEX);
glEnableVertexAttribArray(GLT_ATTRIBUTE_NORMAL);
//---
glGenBuffers(1, &faces_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, faces_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, faces.size() * sizeof(GLuint), &faces[0], GL_STATIC_DRAW);
//---
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
// Obracanie widoku
float angle =timer.GetElapsedSeconds()*PI/4;
posVector[0] = -8.0f * cos(angle / 2.0f);
posVector[1] = -8.0f * sin(angle / 2.0f);
posVector[2] = 5.0f;
swiatlo0.position[0] = 8.0f * cos(-angle);
swiatlo0.position[1] = 15.0f * sin(-angle);
swiatlo0.position[2] = 5.0f;
LookAt(viewFrame, posVector, atVector, upVector);
geometryPipeline.SetMatrixStacks(modelView,projection);
projection.LoadMatrix(viewFrustum.GetProjectionMatrix());
modelView.PushMatrix();
M3DMatrix44f mCamera;
viewFrame.GetCameraMatrix(mCamera);
modelView.LoadMatrix(mCamera);
modelView.PushMatrix();
//glUseProgram(shader);
modelView.Translate(swiatlo0.position[0], swiatlo0.position[1], swiatlo0.position[2]);
glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
modelView.PopMatrix();
//mno¿enie macierzy
//modelView.MultMatrix(mCamera);
// modelView.PushMatrix();
//m3dMatrixMultiply44(mModelViewProjection, viewFrustum.GetProjectionMatrix(), mCamera);
// wrzucanie do shadera
glUniformMatrix3fv(NMatrixLocation, 1, GL_FALSE, geometryPipeline.GetNormalMatrix());
glUniformMatrix4fv(VMmatrixLocation, 1, GL_FALSE, mCamera);
glUniform3fv(iambient_component_location, 1, iambient_component);
glUniform3fv(swiatlo0_location, 1, swiatlo0.position);
glUniform3fv(swiatlo0_idiffuse_location, 1, swiatlo0.idiffuse);
glUniform3fv(swiatlo0_ispecular_location, 1, swiatlo0.ispecular);
glUniform3fv(swiatlo0_attenuation_location, 1, swiatlo0.attenuation);
glUniform1f(material0_ka_location, material0.ka);
glUniform1f(material0_kd_location, material0.kd);
glUniform1f(material0_ks_location, material0.ks);
glUniform1f(material0_alpha_location, material0.alpha);
//--
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
//DrawPramid(0.5,0.0,1.0);
drawTriangles(20,ico_vertices,ico_faces);
// rysowanie siatki --------------------------------------------------------------------------
glEnable(GL_CULL_FACE);
glPolygonOffset(1.0f, 1.0f);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0, 1.0, 1.0);
glEnable(GL_POLYGON_OFFSET_FILL);
glBegin(GL_QUADS);
glVertex3f(10, -10.0f, 0.0f);
glVertex3f(-10, -10.0f, 0.0f);
glVertex3f(-10, 10.0f, 0.0f);
glVertex3f(10, 10.0f, 0.0f);
glEnd();
glDisable(GL_POLYGON_OFFSET_FILL);
glVertexAttrib3f(GLT_ATTRIBUTE_COLOR, 1.0, 1.0, 1.0);
for(int i=-10;i<=10;i++){
glBegin(GL_LINES);
glVertex3f((float)i, -10.0f, 0.0f);
glVertex3f((float)i, 10.0f, 0.0f);
glEnd();
}
for(int i=-10;i<=10;i++){
glBegin(GL_LINES);
glVertex3f(-10.0f, (float)i, 0.0f);
glVertex3f(10.0f, (float)i, 0.0f);
glEnd();
}
glDisable(GL_CULL_FACE);
//sphereBatch.Draw();
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
modelView.PopMatrix();
// rysowanie siatki - koniec -------------------------------------------------------------------
//matrixStack.Translate(10.0f,1.0f,0.0f);
// macierz translacji i macierz rotacji
//M3DMatrix44f mT,mR;
// m3dTranslationMatrix44(mT,0.0f,3.0f,0.0f);
//m3dRotationMatrix44(mR, angle, 0.0f, 0.0f, 1.0f);
//mno¿enie macierzy translacji i macierzy rotacji
//m3dMatrixMultiply44(mM,mT,mR);
//mno¿enie macierzy przekszta³ceñ i macierzy projekcji modelwidok
// m3dMatrixMultiply44(mModelViewProjection,mModelViewProjection, mM);
//wysy³anie macierzy projekcji modelwidok do shadera
//glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, mModelViewProjection);
//TriangleFace(position,color,atVector);
//DrawPramid(0.5,0.0,1.0);
//drawTriangles(20, ico_vertices, ico_faces);
//matrixStack.PopMatrix();
//matrixStack.Rotate(45.0,0,0,1);
//matrixStack.Translate(0.0,0.0,1.0);
//glUniformMatrix4fv(MVPMatrixLocation,1,GL_FALSE,geometryPipeline.GetModelViewProjectionMatrix());
//DrawPramid(0.5,0.0,1.0);
glUniformMatrix4fv(MVPMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewProjectionMatrix());
glUniformMatrix4fv(MVMatrixLocation, 1, GL_FALSE, geometryPipeline.GetModelViewMatrix());
modelView.PopMatrix();
glUseProgram(Pshader);//wywo³anie shadera
// Perform the buffer swap to display back buffer
glutSwapBuffers();
glutPostRedisplay();
}
