void init() {
// Set up initial position for eye,up and amount
// As well as booleans
eye = eyeinit;
up = upinit;
amount = 5;
useGlu = true;
glEnable(GL_DEPTH_TEST);
// The lighting is enabled using the same framework as in mytest 3
// Except that we use two point lights
// For now, lights and materials are set in display. Will move to init
// later, per update lights
vertexshader = initshaders(GL_VERTEX_SHADER,"shaders/light.vert.glsl");
fragmentshader = initshaders(GL_FRAGMENT_SHADER,"shaders/light.frag.glsl");
shaderprogram = initprogram(vertexshader,fragmentshader);
islight = glGetUniformLocation(shaderprogram,"islight");
light0posn = glGetUniformLocation(shaderprogram,"light0posn");
light0color = glGetUniformLocation(shaderprogram,"light0color");
light1posn = glGetUniformLocation(shaderprogram,"light1posn");
light1color = glGetUniformLocation(shaderprogram,"light1color");
ambient = glGetUniformLocation(shaderprogram,"ambient");
diffuse = glGetUniformLocation(shaderprogram,"diffuse");
specular = glGetUniformLocation(shaderprogram,"specular");
shininess = glGetUniformLocation(shaderprogram,"shininess");
}
void init (void)
{
/* select clearing color */
glClearColor (0.0, 0.0, 0.0, 0.0);
/* initialize viewing values */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// Think about this. Why is the up vector not normalized?
glMatrixMode(GL_MODELVIEW) ;
glLoadIdentity() ;
gluLookAt(0,-eyeloc,eyeloc,0,0,0,0,1,1) ;
// Initialize the shaders
// vertexshader = initshaders(GL_VERTEX_SHADER, "shaders/tex.vert") ;
// fragmentshader = initshaders(GL_FRAGMENT_SHADER, "shaders/tex.frag") ;
vertexshader = initshaders(GL_VERTEX_SHADER, "shaders/light.vert.glsl") ;
fragmentshader = initshaders(GL_FRAGMENT_SHADER, "shaders/light.frag.glsl") ;
GLuint program = glCreateProgram() ;
shaderprogram = initprogram(vertexshader, fragmentshader) ;
GLint linked;
glGetProgramiv(shaderprogram, GL_LINK_STATUS, &linked) ;
// * NEW * Set up the shader parameter mappings properly for lighting.
islight = glGetUniformLocation(shaderprogram,"islight") ;
light0dirn = glGetUniformLocation(shaderprogram,"light0dirn") ;
light0color = glGetUniformLocation(shaderprogram,"light0color") ;
light1posn = glGetUniformLocation(shaderprogram,"light1posn") ;
light1color = glGetUniformLocation(shaderprogram,"light1color") ;
ambient = glGetUniformLocation(shaderprogram,"ambient") ;
diffuse = glGetUniformLocation(shaderprogram,"diffuse") ;
specular = glGetUniformLocation(shaderprogram,"specular") ;
shininess = glGetUniformLocation(shaderprogram,"shininess") ;
// Set up the Geometry for the scene.
// From OpenGL book pages 103-109
glGenBuffers(numperobj*numobjects+ncolors+1, buffers) ; // 1 for texcoords
initcolorscube() ;
// Initialize texture
// inittexture("wood.ppm", fragmentprogram) ;
inittexture("wood.ppm", shaderprogram) ;
// Initialize objects
initobject(FLOOR, (GLfloat *) floorverts, sizeof(floorverts), (GLfloat *) floorcol, sizeof (floorcol), (GLubyte *) floorinds, sizeof (floorinds), GL_POLYGON) ;
// initobject(CUBE, (GLfloat *) cubeverts, sizeof(cubeverts), (GLfloat *) cubecol, sizeof (cubecol), (GLubyte *) cubeinds, sizeof (cubeinds), GL_QUADS) ;
initobjectnocol(CUBE, (GLfloat *) cubeverts, sizeof(cubeverts), (GLubyte *) cubeinds, sizeof (cubeinds), GL_QUADS) ;
// Enable the depth test
glEnable(GL_DEPTH_TEST) ;
glDepthFunc (GL_LESS) ; // The default option
}
shaders_t loadShaders(const char * vert_path, const char * frag_path, const char * geom_path) {
GLuint f, v, g = 0;
v = initshaders( GL_VERTEX_SHADER, vert_path );
f = initshaders( GL_FRAGMENT_SHADER, frag_path );
if( geom_path )
g = initshaders( GL_GEOMETRY_SHADER, geom_path );
shaders_t out; out.vertex = v; out.fragment = f; out.geometry = g;
return out;
}
void init(const char* filename) {
// Set up initial position for eye,up and amount
// As well as booleans
eye = eyeinit;
up = upinit;
amount = 5;
useGlu = true;
glEnable(GL_DEPTH_TEST);
// The lighting is enabled using the same framework as in mytest 3
// Except that we use two point lights
// For now, lights and materials are set in display. Will move to init
// later, per update lights
vertexshader = initshaders(GL_VERTEX_SHADER,"shaders/light.vert.glsl");
fragmentshader = initshaders(GL_FRAGMENT_SHADER,"shaders/light.frag.glsl");
shaderprogram = initprogram(vertexshader,fragmentshader);
islight = glGetUniformLocation(shaderprogram,"islight");
isdebug = glGetUniformLocation(shaderprogram, "debug");
light0posn = glGetUniformLocation(shaderprogram,"light0posn");
light0color = glGetUniformLocation(shaderprogram,"light0color");
light1posn = glGetUniformLocation(shaderprogram,"light1posn");
light1color = glGetUniformLocation(shaderprogram,"light1color");
ambient = glGetUniformLocation(shaderprogram,"ambient");
diffuse = glGetUniformLocation(shaderprogram,"diffuse");
specular = glGetUniformLocation(shaderprogram,"specular");
shininess = glGetUniformLocation(shaderprogram,"shininess");
std::cout << "Loading in file: " << filename << std::endl;
if (!pre_simplified) {
Mesh temp;
temp.loadMesh(filename);
simplify_num = temp._faces.size();
temp.quadricSimplify(simplify_num);
}
model.loadMesh(filename);
if (!pre_simplified) {
model.loadEdgeCollapse("edge_collapse.txt");
} else {
model.loadEdgeCollapse(collapse_file);
}
slider_max = model.numOfCollapse();
std::cout << "Done loading" << std::endl;
}
void initGraphics() {
glEnable(GL_TEXTURE_2D);
glEnable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
eyeVector = vec3(0.0,0.0,defaultEyeZ);
upVector = vec3(0.0,1.0,0.0);
centerVector = vec3(0,0,0);
initializeAnimation();
//initialize display lists
initCircleThingy();
initTorus();
initSpaceStation();
initMouse();
//initialize shaders
vertexShader = initshaders(GL_VERTEX_SHADER, "vertexShader.glsl");
fragmentShader = initshaders(GL_FRAGMENT_SHADER, "fragmentShader.glsl");
shaderProgram = initprogram(vertexShader,fragmentShader);
//link up variables in shaders
//
computingTeapot = glGetUniformLocation(shaderProgram,"computingTeapot");
computingSphere = glGetUniformLocation(shaderProgram,"computingSphere");
centerDist = glGetUniformLocation(shaderProgram, "centerDist");
computingTorus = glGetUniformLocation(shaderProgram, "computingTorus");
torusTransparency = glGetUniformLocation(shaderProgram, "torusTransparency");
materialDiffuse = glGetUniformLocation(shaderProgram, "materialDiffuse");
materialSpecular = glGetUniformLocation(shaderProgram, "materialSpecular");
materialShininess = glGetUniformLocation(shaderProgram, "materialShininess");
viewMatrix = glGetUniformLocation(shaderProgram, "viewMatrix");
usingTextures = glGetUniformLocation(shaderProgram, "usingTextures");
computingMonitor = glGetUniformLocation(shaderProgram, "computingMonitor");
//initialize textures
initSphereTexture(fragmentShader);
}
void initShading() {
eye = glm::vec3(0.0, 0.0, 5.0);
up = glm::vec3(0.0, 1.0, 0.0);
amount = 5;
glEnable(GL_DEPTH_TEST);
vertexshader = initshaders(GL_VERTEX_SHADER, "shaders/light.vert.glsl") ;
fragmentshader = initshaders(GL_FRAGMENT_SHADER, "shaders/light.frag.glsl") ;
shaderprogram = initprogram(vertexshader, fragmentshader) ;
islight = glGetUniformLocation(shaderprogram,"islight") ;
light0posn = glGetUniformLocation(shaderprogram,"light0posn") ;
light0color = glGetUniformLocation(shaderprogram,"light0color") ;
light1posn = glGetUniformLocation(shaderprogram,"light1posn") ;
light1color = glGetUniformLocation(shaderprogram,"light1color") ;
ambient = glGetUniformLocation(shaderprogram,"ambient") ;
diffuse = glGetUniformLocation(shaderprogram,"diffuse") ;
specular = glGetUniformLocation(shaderprogram,"specular") ;
shininess = glGetUniformLocation(shaderprogram,"shininess") ;
isSin = glGetUniformLocation(shaderprogram, "isSin");
}
void init() {
vertexshader = initshaders(GL_VERTEX_SHADER, "shaders/nop.vert.glsl");
fragmentshader = initshaders(GL_FRAGMENT_SHADER, "shaders/nop.frag.glsl");
shaderprogram = initprogram(vertexshader, fragmentshader);
}