X-Git-Url: https://codewiz.org/gitweb?p=mandelwow.git;a=blobdiff_plain;f=main.rs;h=d6cd210c2cfa406151f3784f91536fc7192cc070;hp=d7e8c00052a2bfcf9bcd6d57683a7ec4c2847fad;hb=db8dabba713ca281b3c8c49642eccf5a6f0af250;hpb=8f2447cf29e1042d18121d93f59eb5b355ff48c1 diff --git a/main.rs b/main.rs index d7e8c00..d6cd210 100644 --- a/main.rs +++ b/main.rs @@ -1,75 +1,117 @@ -// Wow. Such fractal. - -#[macro_use] - -extern crate glium; -extern crate glutin; -extern crate image; -extern crate libxm; -extern crate sdl2; - -use cube::Cube; -use glium::{DisplayBuild, Surface}; -use glutin::ElementState::Pressed; -use glutin::Event::KeyboardInput; -use glutin::VirtualKeyCode; - -mod bounding_box; -mod cube; -mod mandelwow; -mod sound; -mod support; - -fn screenshot(display : &glium::Display) { - let image: glium::texture::RawImage2d = display.read_front_buffer(); - let image = image::ImageBuffer::from_raw(image.width, image.height, image.data.into_owned()).unwrap(); - let image = image::DynamicImage::ImageRgba8(image).flipv(); - let mut output = std::fs::File::create(&std::path::Path::new("screenshot.png")).unwrap(); - image.save(&mut output, image::ImageFormat::PNG).unwrap(); +use cgmath::conv::array4x4; +use cgmath::{Euler, Matrix4, Rad, SquareMatrix, Vector3, Vector4, Zero}; +use glium::glutin::event::{ self, Event, VirtualKeyCode, WindowEvent }; +use glium::glutin::event_loop::{ ControlFlow }; +use glium::{Display, Program, Surface, uniform}; +use mandelwow_lib::*; +use std::f32::consts::PI; +use std::rc::Rc; +use instant::{Duration, Instant}; + +#[cfg(target_os = "emscripten")] +use std::os::raw::{c_int, c_void}; + +fn gl_info(display: &glium::Display) { + if cfg!(feature = "logging") { + let version = *display.get_opengl_version(); + let api = match version { + glium::Version(glium::Api::Gl, _, _) => "OpenGL", + glium::Version(glium::Api::GlEs, _, _) => "OpenGL ES", + }; + println!( + "{} context verson: {}", + api, + display.get_opengl_version_string() + ); + } } -fn main() { - let _soundplayer = sound::start(); +const SEA_XSIZE: usize = 40; +const SEA_ZSIZE: usize = 25; - let display = glium::glutin::WindowBuilder::new() - //.with_dimensions(1024, 768) - .with_fullscreen(glutin::get_primary_monitor()) - .with_depth_buffer(24) - .with_vsync() - .with_title(format!("MandelWow")) - .build_glium() - .unwrap(); +struct World { + mandelwow_program: Rc, + mandelwow_bounds: Cube, + mandelwow_bbox: BoundingBox, + bounding_box_enabled: bool, - let mandelwow_program = mandelwow::program(&display); - let bounding_box_program = bounding_box::solid_fill_program(&display); + shaded_cube: ShadedCube, + text: Text, - let mut camera = support::camera::CameraState::new(); - let mut t: f32 = 0.0; - let mut pause = false; - let mut bounding_box_enabled = true; - let mut fullscreen = true; - - // These are the bounds of the 3D Mandelwow section which we render in 3-space. - let bounds = Cube { - xmin: -2.0, - xmax: 0.7, - ymin: -1.0, - ymax: 1.0, - zmin: -1.1, - zmax: 1.1, - }; - - support::start_loop(|| { - camera.update(); + sea: [[Vector3; SEA_ZSIZE]; SEA_XSIZE], + + // For the zoom animation synchronized to the drum-hits + hit_time: f32, + last_hit: f32, +} + +impl World { + pub fn new(display: &glium::Display) -> World { + let mandelwow_program = Rc::new(mandelwow::program(display)); + let bounding_box_program = Rc::new(bounding_box::solid_fill_program(display)); + let shaded_program = Rc::new(shaded_cube::shaded_program(display)); + + // These are the bounds for the 3D slice of the 4D Mandelwow + let mandelwow_bounds = Cube { + xmin: -2.0, + xmax: 0.7, + ymin: -1.0, + ymax: 1.0, + zmin: -1.1, + zmax: 1.1, + }; + + // Generate a wavy sea made of cubes + let sea_xmin = -20.0f32; + let sea_xmax = 20.0f32; + let sea_y = -2.5; + let sea_zmin = -2.0f32; + let sea_zmax = -27.0f32; + let sea_xstep = (sea_xmax - sea_xmin) / (SEA_XSIZE as f32); + let sea_zstep = (sea_zmax - sea_zmin) / (SEA_ZSIZE as f32); + println!("xstep={} ystep={:?}", sea_xstep, sea_zstep); + + let mut sea = [[Vector3::zero(); SEA_ZSIZE]; SEA_XSIZE]; + for x in 0..SEA_XSIZE { + for z in 0..SEA_ZSIZE { + sea[x][z] = Vector3 { + x: sea_xmin + (x as f32) * sea_xstep, + y: sea_y, + z: sea_zmin + (z as f32) * sea_zstep, + }; + } + } + + World { + mandelwow_program, + mandelwow_bbox: BoundingBox::new( + display, &mandelwow_bounds, bounding_box_program.clone()), + mandelwow_bounds, + bounding_box_enabled: true, + + shaded_cube: ShadedCube::new(display, shaded_program.clone()), + text: text::Text::new(display), + sea, - if !pause { - // Increment time - t += 0.01; + hit_time: 0.0, + last_hit: 0.0, } + } + + fn draw_frame( + &self, + display: &Display, + camera: &support::camera::CameraState, + t: f32, + ) { + let perspview = camera.get_perspview(); + + let hit_delta = t - self.hit_time; + let hit_scale = 1. / (1. + hit_delta * hit_delta * 15.0) + 1.; // Vary the wow factor to slice the Mandelwow along its 4th dimension. let wmin = -0.8; - let wmax = 0.8; + let wmax = 0.8; let wsize = wmax - wmin; let wow = (((t * 0.7).sin() + 1.0) / 2.0) * wsize + wmin; @@ -78,66 +120,239 @@ fn main() { let mut frame = display.draw(); frame.clear_color_and_depth((0.0, 0.0, 0.0, 1.0), 1.0); - let z_trans = -2.0; // Send the model back a little bit so it fits the screen. - let model = [ - [ t.cos(), t.sin(), 0.0, 0.0], - [-t.sin(), t.cos(), 0.0, 0.0], - [ 0.0, 0.0, 1.0, 0.0], - [ 0.0, 0.0, z_trans, 1.0f32] - ]; + let rotation = Matrix4::from(Euler { + x: Rad(t.sin() / 3.), + y: Rad(t.sin() / 2.), + z: Rad(t / 1.5), + }); + let z_trans = -3.0; // Send the model back a little bit so it fits the screen. + let scale = Matrix4::from_diagonal(Vector4::new(hit_scale, hit_scale, hit_scale, 1.0)); + let model2 = Matrix4::from_translation(Vector3::unit_z() * z_trans) * rotation * scale; + let model = array4x4(model2); // Draw the bounding box before the fractal, when the Z-buffer is still clear, // so the lines behind the semi-translucent areas will be drawn. - if bounding_box_enabled { + if self.bounding_box_enabled { let uniforms = uniform! { model: model, view: camera.get_view(), perspective: camera.get_perspective(), }; - bounding_box::draw(&display, &mut frame, &bounding_box_program, &uniforms, &bounds); + self.mandelwow_bbox.draw(&mut frame, &uniforms); + } + + let text_rot = Matrix4::from_angle_x(cgmath::Deg(-90.0f32)); + let text_pos = Matrix4::from_translation(Vector3 { + x: 0.0, + y: 0.501, + z: 0.0f32, + }) * text_rot; + for x in 0..SEA_XSIZE { + for z in 0..SEA_ZSIZE { + let wave = ((x as f32 / SEA_XSIZE as f32 * PI * 5.0 + t * 2.0).sin() + + (z as f32 / SEA_ZSIZE as f32 * PI * 3.0 + t * 3.0).sin()) + * 0.3; + let model = Matrix4::from_translation( + self.sea[x][z] + + Vector3 { + x: 0., + y: wave, + z: 0., + }, + ); + let uniforms = uniform! { + model: array4x4(model), + perspview: perspview, + col: [0., (1. - wave).abs() * 0.5, wave.abs()], + }; + self.shaded_cube.draw(&mut frame, &uniforms); + let model = model * text_pos; + let c = (x + z * SEA_XSIZE) as u8 as char; + self.text.draw(&mut frame, c, &model, &perspview); + } } - mandelwow::draw(&display, &mut frame, &mandelwow_program, model, &camera, &bounds, wow); + mandelwow::draw( + &display, + &mut frame, + &self.mandelwow_program, + model, + &camera, + &self.mandelwow_bounds, + wow, + ); + frame.finish().unwrap(); + } +} + + +#[cfg(target_os = "emscripten")] +#[allow(non_camel_case_types)] +type em_callback_func = unsafe extern "C" fn(); +#[cfg(target_os = "emscripten")] +extern "C" { + fn emscripten_set_main_loop(func: em_callback_func, fps: c_int, simulate_infinite_loop: c_int); +} + +#[cfg(target_os = "emscripten")] +thread_local!(static MAIN_LOOP_CALLBACK: std::cell::RefCell<*mut c_void> = + std::cell::RefCell::new(std::ptr::null_mut())); + +#[cfg(target_os = "emscripten")] +pub fn set_main_loop_callback(callback: F) +where + F: FnMut() -> support::Action, +{ + MAIN_LOOP_CALLBACK.with(|log| { + *log.borrow_mut() = &callback as *const _ as *mut c_void; + }); + + unsafe { + emscripten_set_main_loop(wrapper::, 0, 1); + } + + unsafe extern "C" fn wrapper() + where + F: FnMut() -> support::Action, + { + MAIN_LOOP_CALLBACK.with(|z| { + let closure = *z.borrow_mut() as *mut F; + (*closure)(); + }); + } +} + +#[cfg(not(target_os = "emscripten"))] +pub fn set_main_loop_callback(callback: F) +where + F: FnMut() -> support::Action, +{ + support::start_loop(callback); +} + +//extern crate gleam; + +/* +extern "C" { + fn emscripten_GetProcAddress( + name: *const ::std::os::raw::c_char, + ) -> *const ::std::os::raw::c_void; +} +*/ + +fn main() { + /* + let gl = gleam::gl::GlesFns::load_with(|addr| { + let addr = std::ffi::CString::new(addr).unwrap(); + emscripten_GetProcAddress(addr.into_raw() as *const _) as *const _ + }); + gl.glGetInternalformativ(0, 0, 0, 0, 0); + */ + + let mut soundplayer = sound::start(); + + let event_loop = glutin::event_loop::EventLoop::new(); + //let fullscreen = Some(glutin::window::Fullscreen::Borderless(event_loop.primary_monitor())); + let window = glutin::window::WindowBuilder::new() + //.with_dimensions(1280, 720) + //.with_fullscreen(fullscreen); + ; + //.with_title("MandelWow"); + let context = glutin::ContextBuilder::new() + //.with_gl_profile(glutin::GlProfile::Core) + //.with_gl(glutin::GlRequest::Specific(glutin::Api::WebGl, (2, 0))) + .with_gl(glutin::GlRequest::Specific( + glutin::Api::OpenGlEs, + (3, 0), + )) + //.with_gl(glutin::GlRequest::Specific(glutin::Api::OpenGl, (4, 0))) + //.with_depth_buffer(24) + .with_vsync(true); + + let display = glium::Display::new(window, context, &event_loop).unwrap(); + gl_info(&display); + let mut world = World::new(&display); + + let mut timer = Timer::new(); + let mut camera = support::camera::CameraState::new(); + let _fullscreen = true; + + event_loop.run(move |event, _, control_flow| { + let t = timer.t; + let new_hit = sound::hit_event(&mut soundplayer); + if new_hit > world.last_hit { + world.hit_time = t; + } + world.last_hit = new_hit; - for ev in display.poll_events() { - match ev { - glium::glutin::Event::Closed | - KeyboardInput(Pressed, _, Some(VirtualKeyCode::Escape)) | - KeyboardInput(Pressed, _, Some(VirtualKeyCode::Q)) => { - return support::Action::Stop + camera.update(); + + *control_flow = ControlFlow::WaitUntil(Instant::now() + Duration::from_nanos(16666667)); + match event { + Event::NewEvents(cause) => { + match cause { + event::StartCause::ResumeTimeReached { .. } | event::StartCause::Init => { + world.draw_frame(&display, &camera, t); + }, + _ => {} + } + } _ => (), + } + if let Event::WindowEvent { event, .. } = event { + camera.process_input(&event); + match event { + WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit, + WindowEvent::KeyboardInput { input, .. } => { + if input.state == event::ElementState::Pressed { + if let Some(key) = input.virtual_keycode { + match key { + VirtualKeyCode::Escape | VirtualKeyCode::Q => { + *control_flow = ControlFlow::Exit; + } + _ => (), + } + } + } + } + /* + KeyboardInput { input: glutin::KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::Escape), .. } } | + KeyboardInput { input: glutin::KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::Q), .. } } => { + *control_flow = ControlFlow::Exit; }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::B)) => { + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::B) } => { bounding_box_enabled ^= true; }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::F)) => { + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::P) } => { + timer.pause ^= true; + }, + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::PageUp) } => { + timer.t += 0.01; + }, + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::PageDown) } => { + timer.t -= 0.01; + }, + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::F10) } => { + screenshot(&display); + }, + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::F11) } => { fullscreen ^= true; if fullscreen { + // Not implemented on Linux glutin::WindowBuilder::new() .with_fullscreen(glutin::get_primary_monitor()) + .with_depth_buffer(24) .rebuild_glium(&display).unwrap(); } else { glutin::WindowBuilder::new() .rebuild_glium(&display).unwrap(); } }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::P)) => { - pause ^= true; - }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::PageUp)) => { - t += 0.01; - }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::PageDown)) => { - t -= 0.01; - }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::F10)) => { - screenshot(&display); - }, - ev => camera.process_input(&ev), + */ + _ => (), } } - support::Action::Continue + timer.update(); }); - }