/**
* @brief Renderer::render render a single frame, then return
* @return true if the user wants to quit the application
*/
bool Renderer::render(){
process_keys(SDL_GetKeyboardState(NULL));
SDL_Event e;
while(SDL_PollEvent(&e)){
if(e.type == SDL_QUIT){
printf("received SDL_QUIT\n");
quit_flag = true;
}
else if(e.type == SDL_MOUSEMOTION){
mousemove_event(e.motion.xrel, e.motion.yrel);
}
else if(e.type == SDL_WINDOWEVENT && e.window.event == SDL_WINDOWEVENT_RESIZED){
resize_event(e.window.data1, e.window.data2);
std::cout << "window resized" << std::endl;
}
}
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
world_to_camera_matrix = look_matrix(camera_vertical, camera_horizontal, camera_position);
camera_to_clip_matrix = glm::mat4(
glm::vec4(frustum_scale/(width/(float)height), 0.0, 0.0, 0.0),
glm::vec4(0.0, frustum_scale, 0.0, 0.0),
glm::vec4(0.0, 0.0, (z_far + z_near)/(z_near - z_far), (2*z_far*z_near)/(z_near - z_far)),
glm::vec4(0.0, 0.0, -1.0, 0.0));
// update uniforms for all shaders now (no UBOs in 2.x, unfortunately...)
axes_shader->set_camera_to_clip(camera_to_clip_matrix);
axes_shader->set_world_to_camera(world_to_camera_matrix);
render_axes();
trails_shader->set_camera_to_clip(camera_to_clip_matrix);
trails_shader->set_world_to_camera(world_to_camera_matrix);
render_trails();
pointsprites_shader->set_camera_to_clip(camera_to_clip_matrix);
pointsprites_shader->set_world_to_camera(world_to_camera_matrix);
pointsprites_shader->set_uniform("camera_position", camera_position);
render_pointsprites();
render_center_of_mass();
SDL_GL_SwapWindow(win);
//SDL_Delay(1000/60.0); // limit to 60FPS
return quit_flag;
}
static void tween_selit(Menuhdr *mh, SHORT hitid)
/* Pull-down interpreter for tween system */
{
Poly *p;
hide_mp();
switch(hitid)
{
case TWE_UND_PUL:
tween_swap_undo();
break;
case TWE_ONC_PUL:
wireframe_tween();
break;
case TWE_LOO_PUL:
wireloop_tween();
break;
case TWE_REN_PUL:
render_tween();
break;
case TWE_TRA_PUL:
render_trails();
break;
case TWE_END_PUL:
tween_end_to_start();
break;
case TWE_SWA_PUL:
tween_swap_ends();
break;
case TWE_CLE_PUL:
tween_clear();
break;
case TWE_FIL_PUL:
if (tween_save_undo()>=Success)
{
if (save_tween_state() >= Success)
{
tween_undraw();
twe_disable_refresh();
trash_tween_state(&twcb->cur);
go_files(FTP_TWEEN);
load_tween_state();
twe_enable_refresh();
tween_redraw();
}
}
break;
case TWE_QUI_PUL:
mh_gclose_code(mh, Err_abort);
break;
case SHA_POL_PUL: /* polygon */
vs.tween_tool = TTI_POLY;
break;
case SHA_SHA_PUL: /* shape */
vs.tween_tool = TTI_SHAPE;
break;
case SHA_STA_PUL: /* Star */
vs.tween_tool = TTI_STAR;
break;
case SHA_PET_PUL: /* Petal */
vs.tween_tool = TTI_PETAL;
break;
case SHA_RPO_PUL: /* Rpoly */
vs.tween_tool = TTI_RPOLY;
break;
case SHA_OVA_PUL: /* oval */
vs.tween_tool = TTI_OVAL;
break;
case SHA_REV_PUL: /* reverse */
tween_reverse_poly();
break;
case SHA_USE_PUL: /* Use Last */
if (tween_save_undo()>=Success)
{
if ((load_a_poly(poly_name, p = sel_poly())) >= Success)
{
softerr(force_other(p),NULL);
redraw_both_ends();
}
}
break;
case SHA_LOA_PUL: /* Load */
load_cur_shape();
break;
case SHA_SAV_PUL: /* Save */
save_cur_shape();
break;
case MOV_MVP_PUL: /* Move Point */
vs.tween_tool = TTI_MPOINT;
break;
case MOV_MAG_PUL: /* Magnet */
vs.tween_tool = TTI_MAGNET;
break;
case MOV_BLO_PUL: /* Blow */
vs.tween_tool = TTI_BLOW;
break;
case MOV_MVS_PUL: /* Move Shape */
vs.tween_tool = TTI_MSHAPE;
break;
case MOV_MVT_PUL: /* Move tween */
vs.tween_tool = TTI_MTWEEN;
break;
case MOV_SZS_PUL: /* Size shape */
vs.tween_tool = TTI_SSHAPE;
break;
case MOV_SZT_PUL: /* Size tween */
vs.tween_tool = TTI_STWEEN;
break;
case MOV_LIN_PUL: /* Link Points */
vs.tween_tool = TTI_LINK;
break;
case MOV_CLE_PUL: /* clear links */
if (tween_save_undo()>=Success)
{
free_dl_list(&twcb->cur.links);
redraw_both_ends();
}
break;
case OPT_CLO_PUL:
vs.closed_curve = !vs.closed_curve;
redraw_both_ends();
break;
case OPT_SPL_PUL:
vs.tween_spline = !vs.tween_spline;
break;
case OPT_TWO_PUL:
vs.color2 = !vs.color2;
break;
case OPT_IN__PUL: /* in slow */
vs.ado_ease = !vs.ado_ease;
break;
case OPT_OUT_PUL: /* out slow */
vs.ado_ease_out = !vs.ado_ease_out;
break;
case OPT_STI_PUL: /* still */
vs.ado_tween = !vs.ado_tween;
break;
case OPT_PIN_PUL: /* ping-pong */
vs.ado_pong = !vs.ado_pong;
break;
case OPT_REV_PUL: /* reverse */
vs.ado_reverse = !vs.ado_reverse;
break;
case OPT_COM_PUL: /* complete */
vs.ado_complete = !vs.ado_complete;
break;
case ACT_STA_PUL:
vs.tween_end = TWEEN_START;
redraw_both_ends();
break;
case ACT_END_PUL:
vs.tween_end = TWEEN_END;
redraw_both_ends();
break;
case ACT_BOT_PUL:
vs.tween_end = TWEEN_BOTH;
redraw_both_ends();
break;
}
show_mp();
}
