217 lines
7.0 KiB
C
217 lines
7.0 KiB
C
// scene demo
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// - rlyeh, public domain
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#include "v4k.h"
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int main() {
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// options
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bool do_twosided = 1;
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bool do_wireframe = 0;
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bool do_billboard_x = 0, do_billboard_y = 0, do_billboard_z = 0;
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// window (80% sized, MSAA x4 flag)
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window_create(80, WINDOW_MSAA4);
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window_title(__FILE__);
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// load all postfx files in all subdirs
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fx_load("fx**.fs");
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// scene loading
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#define SCENE(...) #__VA_ARGS__
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const char *my_scene = SCENE([
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{
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skybox: 'cubemaps/stardust/',
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},
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{
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position:[-5.0,-2.0,2.0],
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rotation: [90.0,0.0,180.0],
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scale:0.20,
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//anchor/pivot:[],
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// vertex:'p3 t2',
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mesh:'models/witch/witch.obj',
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texture:'models/witch/witch_diffuse.tga.png',
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// swapzy:true,
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flipuv:false,
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},
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{
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position:[-5.0,-2.0,2.0],
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rotation: [90.0,0.0,180.0],
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scale:2.20,
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//anchor/pivot:[],
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// vertex:'p3 t2',
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mesh:'models/witch/witch_object.obj',
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texture:'models/witch/witch_object_diffuse.tga.png',
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// swapzy:true,
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flipuv:false,
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},
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]);
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int num_spawned = scene_merge(my_scene);
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object_t *obj1 = scene_index(0);
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object_t *obj2 = scene_index(1);
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// manual spawn & loading
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model_t m1 = model("kgirl/kgirls01.fbx", 0); //MODEL_NO_ANIMS);
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texture_t t1 = texture("kgirl/g01_texture.png", TEXTURE_RGB);
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object_t* obj3 = scene_spawn();
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object_model(obj3, m1);
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object_diffuse(obj3, t1);
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object_scale(obj3, vec3(3,3,3));
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object_move(obj3, vec3(-10,0,-10));
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object_pivot(obj3, vec3(-90+180,180,0));
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// camera
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camera_t cam = camera();
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// demo loop
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while (window_swap())
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{
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// input
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if( input_down(KEY_ESC) ) break;
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// fps camera
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bool active = ui_active() || ui_hover() || gizmo_active() ? false : input(MOUSE_L) || input(MOUSE_M) || input(MOUSE_R);
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window_cursor( !active );
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if( active ) cam.speed = clampf(cam.speed + input_diff(MOUSE_W) / 10, 0.05f, 5.0f);
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vec2 mouse = scale2(vec2(input_diff(MOUSE_X), -input_diff(MOUSE_Y)), 0.2f * active);
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vec3 wasdecq = scale3(vec3(input(KEY_D)-input(KEY_A),input(KEY_E)-(input(KEY_C)||input(KEY_Q)),input(KEY_W)-input(KEY_S)), cam.speed);
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camera_moveby(&cam, wasdecq);
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camera_fps(&cam, mouse.x,mouse.y);
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// queue model scale bounces
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float t = fmod(window_time(), 0.3) / 0.3;
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float s = 0.01f * ease_ping_pong(t, EASE_IN|EASE_CUBIC,EASE_OUT|EASE_CUBIC);
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object_scale(obj1, vec3(0.20f - s,0.20f + s,0.20f - s));
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object_scale(obj2, vec3(0.20f - s,0.20f + s,0.20f - s));
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// queue model billboard
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object_billboard(obj1, (do_billboard_x << 2)|(do_billboard_y << 1)|(do_billboard_z << 0));
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object_billboard(obj2, (do_billboard_x << 2)|(do_billboard_y << 1)|(do_billboard_z << 0));
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// queue model rotation
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//object_rotate(obj3, vec3(0,1*window_time() * 20,0));
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// flush render scene (background objects: skybox)
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profile("Scene background") {
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scene_render(SCENE_BACKGROUND);
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}
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// queue debug drawcalls
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profile("Debugdraw") {
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ddraw_ground(0);
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ddraw_color(YELLOW);
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ddraw_text(vec3(+1,+1,-1), 0.04f, va("(%f,%f,%f)", cam.position.x,cam.position.y,cam.position.z));
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ddraw_color(YELLOW);
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ddraw_flush();
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}
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// apply post-fxs from here
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fx_begin();
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// render scene (foreground objects) with post-effects
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profile("Scene foreground") {
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int scene_flags = 0;
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scene_flags |= do_wireframe ? SCENE_WIREFRAME : 0;
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scene_flags |= do_twosided ? 0 : SCENE_CULLFACE;
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scene_render(SCENE_FOREGROUND | scene_flags);
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}
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profile("Skeletal update") if(!window_has_pause()) {
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float delta = window_delta() * 30 ; // 30fps anim
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m1.curframe = model_animate(m1, m1.curframe + delta);
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ddraw_text(vec3(-10,5,-10), 0.05, va("Frame: %.1f", m1.curframe));
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}
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// post-fxs end here
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fx_end();
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// queue ui
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if( ui_panel("Scene", 0)) {
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if(ui_toggle("Billboard X", &do_billboard_x)) {}
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if(ui_toggle("Billboard Y", &do_billboard_y)) {}
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if(ui_toggle("Billboard Z", &do_billboard_z)) {}
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if(ui_separator()) {}
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if(ui_bool("Wireframe", &do_wireframe)) {}
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if(ui_bool("Two sided", &do_twosided)) {}
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ui_panel_end();
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}
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}
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}
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#if 0
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// ----------------------------------------------------------------------------
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// material demo
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// - rlyeh, public domain
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//
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// @todo: object_print(obj, "");
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// create camera
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camera_t cam = camera();
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// load video, RGB texture, no audio
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video_t *v = video( "pexels-pachon-in-motion-17486489.mp4", VIDEO_RGB | VIDEO_NO_AUDIO | VIDEO_LOOP ); video_seek(v, 30);
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// load texture
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texture_t t1 = texture("kgirl/g01_texture.png", TEXTURE_RGB);
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texture_t t2 = texture("matcaps/material3", 0);
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// load model
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model_t m1 = model("suzanne.obj", MODEL_NO_ANIMATIONS);
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model_t m2 = model("suzanne.obj", MODEL_NO_ANIMATIONS|MODEL_MATCAPS);
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// spawn object1 (diffuse)
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object_t* obj1 = scene_spawn();
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object_model(obj1, m1);
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object_diffuse(obj1, t1);
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object_scale(obj1, vec3(3,3,3));
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object_move(obj1, vec3(-10+5*0,0,-10));
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object_pivot(obj1, vec3(0,90,0));
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// spawn object2 (matcap)
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object_t* obj2 = scene_spawn();
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object_model(obj2, m2);
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object_diffuse(obj2, t2);
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object_scale(obj2, vec3(3,3,3));
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object_move(obj2, vec3(-10+5*2,0,-10));
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object_pivot(obj2, vec3(0,90,0));
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// spawn object2 (video)
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object_t* obj3 = scene_spawn();
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object_model(obj3, m1);
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object_diffuse(obj3, video_textures(v)[0]);
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object_scale(obj3, vec3(3,3,3));
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object_move(obj3, vec3(-10+5*1,0,-10));
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object_pivot(obj3, vec3(0,90,0));
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// @todo: add shadertoy material
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static model_t cube; do_once cube = model("cube.obj", 0);
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static shadertoy_t s; do_once s = shadertoy("shadertoys/4ttGWM.fs", 256);
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model_set_texture(cube, shadertoy_render(&s, window_delta())->tx);
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model_render(cube, cam.proj, cam.view, cube.pivot, 0);
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while(window_swap() && !input(KEY_ESC)) {
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// draw environment
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viewport_color( RGB3(22,22,32) );
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ddraw_grid(0);
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ddraw_flush();
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// update video
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video_decode( v );
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// draw scene
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scene_render(SCENE_FOREGROUND);
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}
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// load static scene
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// model_t sponza = model("sponza.obj", MODEL_MATCAPS);
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// model_set_texture(sponza, texture("matcaps/normals", 0));
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// translation44(sponza.pivot, 0,-1,0);
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// rotate44(sponza.pivot, -90,1,0,0);
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// scale44(sponza.pivot, 10,10,10);
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// model_render(sponza, cam.proj, cam.view, sponza.pivot, 0);
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// this demo supersedes following old sources:
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// https://github.com/r-lyeh/V4K/blob/45e34d7890b2b8fe1f4994f4b76e496280d83cb6/demos/00-material.c
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// https://github.com/r-lyeh/V4K/blob/45e34d7890b2b8fe1f4994f4b76e496280d83cb6/demos/00-shadertoy.c
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#endif
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