void init (int argc, char **argv)
{
controlPoints.push_back ( vec3(0,0,0) );
controlPoints.push_back ( vec3(3,0,0) );
controlPoints.push_back ( vec3(-2,1,-3) );
controlPoints.push_back ( vec3(2,2,-6) );
// create a primitive. if supplied on command line, read a .obj wavefront file
ObjFilePrimitive *background, *movingObject;
if ( argc == 3 ) {
background = new ObjFilePrimitive ( argv[1] );
movingObject = new ObjFilePrimitive ( argv[2] );
} else {
cout << "usage: " << argv[0] << " backgroundObjFile moverObjfile\n";
// exit(1);
background = new ObjFilePrimitive ( "objfiles/cube.obj" );
movingObject = new ObjFilePrimitive ( "objfiles/cube.obj" );
}
// create the graph
// the second child of the root must be an instance: it will have its matrix changed
Instance *scene = new Instance();
scene->setMatrix ( mat4() );
scene->addChild ( background );
Instance *mover = new Instance();
mover->addChild ( movingObject );
scene->addChild ( mover );
// enable camera trackball
camera.enableTrackball (true);
// the lights are global for all objects in the scene
RenderingEnvironment::getInstance().lightPosition = vec4 ( 4,10,5,1 );
RenderingEnvironment::getInstance().lightColor = vec4 ( 1,1,1,1 );
// create a material to use
Material *mat = new Material;
mat->ambient = vec4 ( 0.1, 0.1, 0.2, 1.0 );
mat->diffuse = vec4 ( 0.5, 0.5, 0.1, 1.0 );
mat->specular = vec4 ( 1.0, 1.0, 1.0, 1.0 );
mat->shininess = 133.0;
mat->program = mat->loadShaders ( "PhongShading" );
// attach the material to the primitive
scene->setMaterial ( mat );
// set the instance as the scene root
root = scene;
// misc OpenGL state
glClearColor (0.0, 0.0, 0.0, 1.0);
glEnable(GL_DEPTH_TEST);
}
void
init (int argc, char **argv)
{
// create a primitive. if supplied on command line, read a .obj wavefront file
if ( argc >= 2 ) {
prim = new ObjFilePrimitive ( argv[1] );
} else {
std::cout << "usage: " << argv[0] << " [objfile.obj]\n";
exit(1);
}
// create a root Instance to contain this primitive
Instance *instance = new Instance();
instance->setMatrix ( mat4() );
instance->addChild ( prim );
// the lights are global for all objects in the scene
RenderingEnvironment::getInstance().lightPosition = vec4 ( 0,0,10,1 );
RenderingEnvironment::getInstance().lightColor = vec4 ( 1,1,1,1 );
// create a material to use
Material *mat = new Material;
mat->ambient = vec4 ( 0.1, 0.1, 0.1, 1.0 );
mat->diffuse = vec4 ( 0.8, 0.8, 0.8, 1.0 );
mat->specular = vec4 ( 1.0, 1.0, 1.0, 1.0 );
mat->shininess = 300.0;
mat->program = mat->loadShaders ( "DepthMap" );
// attach the material
instance->setMaterial ( mat );
// override the materials read from the objfile
ObjFilePrimitive *op;
if ( op = dynamic_cast<ObjFilePrimitive*>(prim) ) {
for ( int i = 0; i < op->materials_.size(); i++ ) {
op->materials_[i] = mat;
}
}
// set the instance as the scene root
root = instance;
// misc OpenGL state
glClearColor (0.0, 0.0, 0.0, 1.0);
glEnable(GL_DEPTH_TEST);
glPointSize(1.0);
glLineWidth(1.0);
}
void display ()
{
glClear ( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
static float lastFrame = getNow();
float now = getNow();
root->update(now-lastFrame);
// Instance *iroot = dynamic_cast<Instance*>(root);
// Instance *mover = dynamic_cast<Instance*> ( iroot->getChild(1) );
Ptr<Instance> mover ( root->getChild(1) );
// interpolate along a quadratic Bezier curve
float motionStartTime = 5.0;
float motionEndTime = motionStartTime+4.0;
// move the mover
float u = ((now - motionStartTime) / (motionEndTime - motionStartTime) );
if ( u < 0.0 )
mover->setMatrix ( translate(mat4(), controlPoints[0]) );
else if ( u > 1.0 )
mover->setMatrix ( translate(mat4(), controlPoints[3]) );
else
mover->setMatrix ( translate(mat4(), deCasteljau3 (controlPoints, u ) ) );
// add a marker to the scene at each position
Instance *marker = new Instance();
marker->addChild ( new Marker() );
marker->setMatrix ( mover->getMatrix() );
root->addChild ( marker );
camera.draw(root);
glutSwapBuffers();
lastFrame = now;
// std::cout << now << std::endl;
}
void init (int argc, char **argv)
{
// create a primitive. if supplied on command line, read a .obj wavefront file
ObjFilePrimitive *prim;
if ( argc == 2 ) {
prim = new ObjFilePrimitive ( argv[1] );
// prim->setMaterial(NULL); // make room for the shadowing shader (add a way to override baked in materials???)
} else {
cout << "usage: " << argv[0] << " objfile\n";
// exit(1);
prim = new ObjFilePrimitive ( "objfiles/bone6.obj" );
}
// create a root Instance to contain this primitive
Instance *instance = new Instance();
instance->setMatrix ( mat4() );
instance->addChild ( prim );
// enable camera trackball
camera.enableTrackball (true);
camera.setDistance ( 2 );
// the lights are global for all objects in the scene
// XXX old deprecated XXX
// RenderingEnvironment::getInstance().lightPosition = vec4 ( 4,10,5,1 );
// RenderingEnvironment::getInstance().lightColor = vec4 ( 1,1,1,1 );
// create a material to use
mat = new Material;
mat->ambient = vec4 ( 0.1, 0.1, 0.1, 1.0 );
mat->diffuse = vec4 ( 0.9, 0.9, 0.0, 1.0 );
mat->specular = vec4 ( 1.0, 1.0, 1.0, 1.0 );
mat->shininess = 133.0;
mat->program = mat->loadShaders ( "PhongShadingShadows" );
// attach the material to the instance
instance->setMaterial ( mat );
// PointLights do shadows...
// XXX must call this AFTER compiling the shader!!! certain things in the shadow code glsl won't compile until the shader is built.
RenderingEnvironment::getInstance().addPointLight ( vec3(4,6,5), vec3(0,0,0) );
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
printf("FB error, status: 0x%x\n", status);
}
// setup to draw the shadow texture
shadowTexture = RenderingEnvironment::getInstance().getPointLight(0).getShadowTexture();
//shadowTexture = new Texture("textures/lichen.bmp", false, false, 0 );
shadowTexture->setupRenderFullscreenQuad("shaders120/DebugShadows.vert","shaders120/DebugShadows.frag");
// set the instance as the scene root
root = instance;
// misc OpenGL state
glClearColor (0.0, 0.0, 0.0, 1.0);
glEnable(GL_DEPTH_TEST);
glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);
}