void render(float t, float dt) override {
dev->push_render_target(intrm);
s->bind();
s->set_uniform("view_proj", cam.proj()*cam.view());
s->set_uniform("camera_position", cam.position());
s->set_uniform("light_direction", vec3(0.f, 1.f, 0.f));
s->set_uniform("world", mat4(1));
s->set_uniform("diffuse_color", vec3(0.2f, 0.2f, 0.1f));
floor->draw();
s->set_uniform("world",
rotate(translate(mat4(1), vec3(-2.f, 2.f, 0.f)), t, vec3(1.f, 0.3f, 0.6f)));
s->set_uniform("diffuse_color", vec3(0.8f, 0.6f, 0.1f));
torus->draw();
s->set_uniform("world", translate(mat4(1), vec3(2.f, 1.f, 0.f)));
s->set_uniform("diffuse_color", vec3(0.3f, 0.6f, 0.8f));
sphere->draw();
mat4 ct = translate(mat4(1), vec3(2.f, 1.f, 4.f));
for(auto& p : car) p->draw(ct, *s);
dev->pop_render_target();
postprocess_s->bind();
postprocess_s->set_texture("backbuffer", *intrm, 0);
postprocess_s->draw(t);
}
void PtexViewer::render(int selx, int sely)
{
if (!_shaderProgram) makeShader();
if (_options.bgColorLight) glClearColor(0.8,0.8,0.8,1);
else glClearColor(0.0,0.0,0.0,1);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
float width = vp[2];
float height = vp[3];
float winasp = width/height;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
bool selectMode = selx>=0 && sely>=0;
if (selectMode)
gluPickMatrix((double)selx,(double)vp[3]-sely,3,3,vp);
if (!_mode3d||_displayFace>=0)
{
float sc = _cam.getDistance()/2;
glOrtho(-sc, sc, -sc/winasp, sc/winasp, -100, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(-_cam.getLookAt()[0],-_cam.getLookAt()[1],-_cam.getLookAt()[2]);
}
else
{
_cam.applyProjectionTransform(winasp, _bounds);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
_cam.applyModelViewTransform();
}
glEnable(GL_DEPTH_TEST);
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(1.0,1.0);
glColor4f(1.0, 1.0, 1.0, 1.0);
glUseProgramObjectARB(_shaderProgram);
_geometry.draw(_displayFace);
glUseProgramObjectARB(0);
if (!selectMode && _options.showGridLines)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glColor4f(0.0, 0.0, 0.0, 0.25);
_geometry.draw(_displayFace);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
}
glDisable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_DEPTH_TEST);
if (selectMode) return;
// Display text information
char str[64];
if (_options.bgColorLight) glColor3f(0.0, 0.0, 0.0);
else glColor3f(0.9, 0.9, 0.9);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if (!_options.envMode)
{
if (_numFaces==1) strcpy(str, "1 face");
else sprintf(str,"%i faces",_numFaces);
renderChars(-0.8,-0.92,GLUT_BITMAP_8_BY_13,str);
if (_displayFace>=0 && _numFaces!=1)
{
sprintf(str,"Face ID: %i",_displayFace);
renderChars(-0.8,0.92,GLUT_BITMAP_8_BY_13,str);
}
if (_numFaces==1)
{
int ures = _geometry.getFace(0)->ures;
int vres = _geometry.getFace(0)->vres;
sprintf(str,"Res: %i x %i",ures,vres);
renderChars(-0.8,0.92,GLUT_BITMAP_8_BY_13,str);
}
else if (_displayFace>=0)
{
int ures = _geometry.getFace(_displayFace)->ures;
int vres = _geometry.getFace(_displayFace)->vres;
sprintf(str,"Face Res: %i x %i",ures,vres);
renderChars(-0.2,0.92,GLUT_BITMAP_8_BY_13,str);
}
renderChars(0.25,-0.92,GLUT_BITMAP_8_BY_13,(char*)_typeStr.c_str());
}
}
void draw_3D_graphics()
{
static double Px, Py, Pz, roll, pitch, yaw, yawA;
static int initilization = 0;
int i;
static double x = 0.0, dx; // x - an offset for the object
static double y = 0.0, dy; // z offset controlled by keyboard input
static double t; // clock time from t0
static double t0; // initial clock time
static double T, fps, tp, dt, t_sim;
// Declare and load x-file mesh object for later
static mesh m1("car.x");
// Change scale
m1.Scale = 0.5;
// Set initial position for mesh (proper positioning)
m1.Roll_0 = 1.645;
// Initialize everything here (once)
if (!initilization)
{
t0 = high_resolution_time();
tp = 0.0;
t_sim = 0.0;
initilization = 1;
}
// set_view();
set_2D_view(50.0, 50.0);
// draw the axes (red = x, y = green, z = blue)
draw_XYZ(5.0); // set axes of 5 m length
t = high_resolution_time() - t0; // Time since start, as measured by a clock
T = t - tp; // calculate dt frame or period
fps = 1 / T;
tp = t; // save previous time for later
dt = 0.001; // we can pick a small dt for performance / stability
while (t_sim < t) {
sim_step(dt, x, y, yaw);
t_sim += dt;
}
// Use keyboard input to change yaw (upper keys for alphabet)
if (KEY('Z')) yaw -= 0.001;
if (KEY('X')) yaw += 0.001;
// connect graphics parameters with the simulation output
// NOTE: BECAUSE OF THE WAY WE'VE WRITTEN OUR SIMULATION CODE, THE SIGN NOTATION IS DIFFERENT!
// HENCE THE NEED FOR YAWA = YAW ACTUAL
Px = x;
Py = y;
Pz = 0;
roll = 0;
pitch = 0;
yawA = -yaw;
// draw x-file / mesh object
m1.draw(Px, Py, Pz, yawA, pitch, roll);
}