void * render_loop(void * data)
{
tinfo_t * tinfo = data;
state_t * state = tinfo->state;
char * buffer_name = sprintf_alloc("rot%d", tinfo->id);
float color[4] = {1.0f, 1.0 - .1f*tinfo->id, .1f*tinfo->id, 1.0f};
while(state->running) {
double rad = (tinfo->id*M_PI/5) + (vx_util_mtime() % 2000) * 2* M_PI / 1e3;
vx_object_t * vo = vxo_chain(vxo_mat_rotate_z(rad),
vxo_mat_translate2(0,10),
vxo_box(vxo_mesh_style(color)));
vx_buffer_add_back(vx_world_get_buffer(state->world, buffer_name), vo);
vx_buffer_swap(vx_world_get_buffer(state->world, buffer_name));
usleep(500);
}
printf("Exiting render thread %s\n", buffer_name);
free(buffer_name);
return NULL;
}
void add_circle_to_buffer(vx_buffer_t* buf, double size, loc_t loc, const float* color)
{
vx_buffer_add_back(buf,
vxo_pix_coords(VX_ORIGIN_BOTTOM_LEFT,
vxo_chain(vxo_mat_translate3(loc.x, loc.y, 0),
vxo_mat_scale(size),
vxo_circle(vxo_mesh_style(color)))));
}
static int key_event (vx_event_handler_t * vh, vx_layer_t * vl, vx_key_event_t * key)
{
state_t *state = vh->impl;
//printf("key pressed %d\n", key->key_code);
if (key->key_code == 'N') {
vx_buffer_add_back(vx_world_get_buffer(state->world2, "delayed_buffer"),
vxo_box(vxo_mesh_style(vx_green)));
vx_buffer_swap(vx_world_get_buffer(state->world2, "delayed_buffer"));
return 1;
}
return 0;
}
static void* render_thread1(void * data)
{
state_t * state = data;
vx_world_t * world = state->world;
float multcolors[] = {1.0f, 0.0f, 0.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f,
1.0f, 1.0f, 0.0f, 1.0f};
vx_object_t * solid = vxo_chain(vxo_mat_translate3(3.0,0,0),
vxo_mat_scale3(2,2,2),
vxo_box(vxo_mesh_style(vx_orange)));
// switch above to vxo_box to get a different bug
vx_object_inc_ref(solid);
vx_object_t * multi = vxo_chain(vxo_mat_translate3(3.0,0,0),
vxo_mat_scale3(2,2,2),
vxo_rect(vxo_lines_style_multi_colored(vx_resc_copyf(multcolors,4*4), 2.0)));
vx_object_inc_ref(multi);
uint64_t count = 0;
while(1) {
//printf("CASE %ld\n", count %4);
switch(count % 4) {
case 0: // Draw pattern A
vx_buffer_add_back(vx_world_get_buffer(world, "thread1"),
solid);
break;
case 2: // Draw pattern B
vx_buffer_add_back(vx_world_get_buffer(world, "thread1"),
multi);
break;
case 1: // Do nothing
case 3:
break;
}
count++;
// swap every time
vx_buffer_swap(vx_world_get_buffer(world, "thread1"));
usleep(1000000);
}
pthread_exit(NULL);
}
void * render_loop(void * data)
{
state_t * state = data;
while(state->running) {
double rad = (vx_util_mtime() % 5000) * 2* M_PI / 5e3;
vx_object_t * vo = vxo_chain(vxo_mat_rotate_z(rad),
vxo_mat_translate2(0,10),
vxo_box(vxo_mesh_style(vx_blue)));
vx_buffer_add_back(vx_world_get_buffer(state->world, "rotating-square"), vo);
vx_buffer_swap(vx_world_get_buffer(state->world, "rotating-square"));
usleep(5000);
}
return NULL;
}
void BoundingBox::draw(vx_buffer *buf, const float color[]) {
float translucentColor[4];
for (int i = 0; i < 3; i++) {
translucentColor[i] = color[i];
}
translucentColor[3] = 0.3f;
vx_object_t *box = vxo_chain(
// Base
vxo_mat_scale3(CM_TO_VX, CM_TO_VX, CM_TO_VX),
vxo_mat_translate3(this->getX(), this->getY(), this->getZ()),
vxo_mat_scale3(this->getW(), this->getH(), this->getD()),
vxo_box(vxo_mesh_style(translucentColor), vxo_lines_style(vx_black, 2.0f))
);
vx_buffer_add_back(buf, box);
}
void project_measurements_through_homography(matd_t* H, vx_buffer_t* buf,
zarray_t* pix_found, int size)
{
int npoints = NUM_CHART_BLOBS * 2; // line per chart blob
float points[npoints*3];
float* real_world_coords;
if(size == NUM_TARGETS) real_world_coords = target_coords;
else if(size == NUM_CHART_BLOBS) real_world_coords = chart_coords;
else assert(0);
for(int i = 0; i < size; i++) {
// run each real world point through homography and add to buf
double tmp[3] = {real_world_coords[i*2], real_world_coords[i*2+1], 1};
matd_t* xy_matrix = matd_create_data(3,1,tmp);
matd_t* pix_estimated = matd_op("(M)*M",H, xy_matrix);
MATD_EL(pix_estimated,0,0) /= MATD_EL(pix_estimated,2, 0);
MATD_EL(pix_estimated,1,0) /= MATD_EL(pix_estimated,2, 0);
vx_buffer_add_back(buf,
vxo_pix_coords(VX_ORIGIN_BOTTOM_LEFT,
vxo_chain(vxo_mat_translate3(MATD_EL(pix_estimated,0,0), MATD_EL(pix_estimated,1,0), 0),
vxo_mat_scale(2.0),
vxo_circle(vxo_mesh_style(vx_green)))));
// create endpoints for lines
loc_t pos;
zarray_get(pix_found, i, &pos); //
points[6*i + 0] = pos.x;
points[6*i + 1] = pos.y;
points[6*i + 2] = 0;
points[6*i + 3] = MATD_EL(pix_estimated,0,0);
points[6*i + 4] = MATD_EL(pix_estimated,1,0);
points[6*i + 5] = 0;
}
// make lines
vx_resc_t *verts = vx_resc_copyf(points, npoints*3);
vx_buffer_add_back(buf, vxo_pix_coords(VX_ORIGIN_BOTTOM_LEFT,
vxo_lines(verts, npoints, GL_LINES,
vxo_points_style(vx_blue, 2.0f))));
}
static void draw(state_t * state, vx_world_t * world)
{
// Draw from the vx shape library
vx_buffer_add_back(vx_world_get_buffer(world, "fixed-cube"), vxo_chain(vxo_mat_translate3(3.0,0,0),
vxo_mat_scale(2),
vxo_box(vxo_mesh_style(vx_orange))));
vx_buffer_swap(vx_world_get_buffer(world, "fixed-cube"));
// Draw some text
if (1) {
vx_object_t *vt = vxo_text_create(VXO_TEXT_ANCHOR_LEFT, "<<right>>hello!\n<<serif-italic-4>>line 2\nfoo<<#ff0000>>red<<sansserif-bold-30,#0000ff80>>blue semi\n<<serif-italic-4>>foo bar baz");
vx_buffer_t *vb = vx_world_get_buffer(world, "text");
vx_buffer_add_back(vb, vt);
vx_buffer_swap(vb);
}
// Draw a custom ellipse:
{
int npoints = 35;
float points[npoints*3];
for (int i = 0; i < npoints; i++) {
float angle = 2*M_PI*i/npoints;
float x = 5.0f*cosf(angle);
float y = 8.0f*sinf(angle);
float z = 0.0f;
points[3*i + 0] = x;
points[3*i + 1] = y;
points[3*i + 2] = z;
}
vx_buffer_add_back(vx_world_get_buffer(world, "ellipse"), vxo_lines(vx_resc_copyf (points, npoints*3),
npoints, GL_LINE_LOOP,
vxo_lines_style(vx_purple, 1.0f) ));
vx_buffer_swap(vx_world_get_buffer(world, "ellipse"));
}
// Draw a sin wave
{
int npoints = 100;
float points[npoints*3];
for (int i = 0; i < npoints; i++) {
float angle = 2*M_PI*i/npoints;
float x = i*.1;
float y = sinf(angle);
float z = 0.0f;
points[3*i + 0] = x;
points[3*i + 1] = y;
points[3*i + 2] = z;
}
vx_buffer_add_back(vx_world_get_buffer(world, "sin"), vxo_points(vx_resc_copyf (points, npoints*3), npoints,
vxo_points_style(vx_purple, 10.0)));
vx_buffer_swap(vx_world_get_buffer(world, "sin"));
}
// Draw a cos wave
{
int npoints = 100;
float points[npoints*3];
float colors[npoints*4];
for (int i = 0; i < npoints; i++) {
float angle = 2*M_PI*i/npoints;
float x = i*.1;
float y = cosf(angle);
float z = 0.0f;
points[3*i + 0] = x;
points[3*i + 1] = y;
points[3*i + 2] = z;
float r = angle/(2*M_PI);
float g = 0.3f;
float b = 1.0f-(angle/(2*M_PI));
colors[4*i + 0] = r;
colors[4*i + 1] = g;
colors[4*i + 2] = b;
colors[4*i + 3] = 1.0f;
}
vx_buffer_add_back(vx_world_get_buffer(world, "cos"), vxo_points(vx_resc_copyf (points, npoints*3), npoints,
vxo_points_style_multi_colored(vx_resc_copyf(colors, npoints*4), 10.0)));
vx_buffer_swap(vx_world_get_buffer(world, "cos"));
}
// Draw a rose
if (1) {
int npoints = 100;
float points[npoints*3];
float colors[npoints*4];
int k = 3;
for (int i = 0; i < npoints; i++) {
float angle = M_PI*i/npoints; // [0, Pi] for Odd
float x = cosf(k*angle)*sin(angle);
float y = cosf(k*angle)*cos(angle);
float z = 0.0f;
points[3*i + 0] = x;
points[3*i + 1] = y;
points[3*i + 2] = z;
float r = angle/(M_PI);
float g = 1.0f-(angle/(M_PI));
float b = 0.3f;
colors[4*i + 0] = r;
colors[4*i + 1] = g;
colors[4*i + 2] = b;
colors[4*i + 3] = 1.0f;
}
vx_buffer_add_back(vx_world_get_buffer(world, "rose"), vxo_lines(vx_resc_copyf (points, npoints*3), npoints,
GL_LINE_LOOP,
vxo_lines_style_multi_colored(vx_resc_copyf(colors, npoints*4), 1.0)));
vx_buffer_swap(vx_world_get_buffer(world, "rose"));
}
if (1) { // draw a box with all the fixings
vx_buffer_t * vb = vx_world_get_buffer(world, "rect");
// should draw purple square, with green lines, all occluded by red corners.
vx_buffer_add_back(vb, vxo_depth_test(0,vxo_chain(
vxo_mat_translate2(-5,-5),
vxo_rect(vxo_mesh_style(vx_purple),
vxo_lines_style(vx_green, 6.0f),
vxo_points_style(vx_red, 6.0f)))));
vx_buffer_swap(vb);
}
// Draw a texture
if (state->img != NULL) {
image_u8_t * img = state->img;
vx_object_t * o3 = vxo_image(vx_resc_copyub(img->buf, img->width*img->height*img->bpp),
img->width, img->height, img->bpp == 4? GL_RGBA : GL_RGB, VXO_IMAGE_FLIPY);
// pack the image into the unit square
vx_buffer_t * vb = vx_world_get_buffer(world, "texture");
vx_buffer_add_back(vb, vxo_chain(vxo_mat_scale3(1.0/img->width, 1.0/img->height, 1), o3));
vx_buffer_swap(vb);
}
}
void body_draw(Body *body, vx_buffer_t *buf) {
vx_object_t *vo;
float scale = 1/20.0;
float zoffset = 0;
joint_t rShoulder = body->getJoint(RSHOULDER);
joint_t rElbow = body->getJoint(RELBOW);
joint_t rWrist = body->getJoint(RWRIST);
joint_t lWrist = body->getJoint(LWRIST);
double rShoulderX = 0;
double rShoulderY = 0;
double rShoulderZ = scale*(-2 * rShoulder.y);
double rElbowX = scale*(rElbow.x - rShoulder.x);
double rElbowY = scale*(rElbow.z - rShoulder.z);
double rElbowZ = scale*(-rElbow.y - rShoulder.y);
double rWristX = scale*(rWrist.x - rShoulder.x);
double rWristY = scale*(rWrist.z - rShoulder.z);
double rWristZ = scale*(-rWrist.y - rShoulder.y);
double lWristX = scale*(lWrist.x - rShoulder.x);
double lWristY = scale*(lWrist.z - rShoulder.z);
double lWristZ = scale*(-lWrist.y - rShoulder.y);
//Draw Axes
float axes[12] = {(float) rShoulderX, (float) rShoulderY, (float) rShoulderZ,
(float) rElbowX, (float) rElbowY, (float) rElbowZ,
(float) rElbowX, (float) rElbowY, (float) rElbowZ,
(float) rWristX, (float) rWristY, (float) rWristZ};
vx_resc_t *verts = vx_resc_copyf(axes, 12);
vo = vxo_chain(
vxo_lines(verts, 4, GL_LINES, vxo_points_style(vx_blue, 2.0f))
);
vx_buffer_add_back(buf, vo);
//Draw Joints
vo = vxo_chain(
vxo_mat_translate3(rShoulderX, rShoulderY, rShoulderZ),
vxo_mat_scale3(1.5, 1.5, 1.5),
vxo_sphere(vxo_mesh_style(vx_yellow))
);
vx_buffer_add_back(buf, vo);
vo = vxo_chain(
vxo_mat_translate3(rElbowX, rElbowY, rElbowZ),
vxo_mat_scale3(1.5, 1.5, 1.5),
vxo_sphere(vxo_mesh_style(vx_blue))
);
vx_buffer_add_back(buf, vo);
vo = vxo_chain(
vxo_mat_translate3(rWristX, rWristY, rWristZ),
vxo_mat_scale3(1.5, 1.5, 1.5),
vxo_sphere(vxo_mesh_style(vx_green))
);
vx_buffer_add_back(buf, vo);
vo = vxo_chain(
vxo_mat_translate3(lWristX, lWristY, lWristZ),
vxo_mat_scale3(3, 3, 3),
vxo_sphere(vxo_mesh_style(vx_black))
);
vx_buffer_add_back(buf, vo);
}
