X-Git-Url: https://codewiz.org/gitweb?p=mandelwow.git;a=blobdiff_plain;f=main.rs;h=5fc2ded11b78b2f7dcc95d1a598967e58bd32666;hp=d7e8c00052a2bfcf9bcd6d57683a7ec4c2847fad;hb=ea6dc9f11f8fa27c1a20ffe2e70e4d2fbe69cdff;hpb=8f2447cf29e1042d18121d93f59eb5b355ff48c1 diff --git a/main.rs b/main.rs index d7e8c00..5fc2ded 100644 --- a/main.rs +++ b/main.rs @@ -1,51 +1,90 @@ -// Wow. Such fractal. - -#[macro_use] +extern crate mandelwow_lib; +extern crate cgmath; +#[macro_use(uniform)] extern crate glium; extern crate glutin; -extern crate image; -extern crate libxm; -extern crate sdl2; -use cube::Cube; -use glium::{DisplayBuild, Surface}; +use cgmath::{Euler, Matrix4, Rad, SquareMatrix, Vector3, Vector4, Zero}; +use cgmath::conv::array4x4; +use glium::{Surface}; use glutin::ElementState::Pressed; -use glutin::Event::KeyboardInput; +use glutin::WindowEvent::KeyboardInput; use glutin::VirtualKeyCode; +use mandelwow_lib::*; +use std::f32::consts::PI; +use timer::Timer; + +#[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()); + } +} + +#[cfg(target_os = "emscripten")] +#[allow(non_camel_case_types)] +type em_callback_func = unsafe extern fn(); +#[cfg(target_os = "emscripten")] +extern { + fn emscripten_set_main_loop(func : em_callback_func, fps : c_int, simulate_infinite_loop : c_int); +} -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(); +#[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); } fn main() { - let _soundplayer = sound::start(); + let mut soundplayer = sound::start(); - let display = glium::glutin::WindowBuilder::new() - //.with_dimensions(1024, 768) - .with_fullscreen(glutin::get_primary_monitor()) + let mut events_loop = glutin::EventsLoop::new(); + let window = glutin::WindowBuilder::new() + .with_dimensions(1280, 720) + //.with_fullscreen(glutin::get_primary_monitor()) + .with_title("MandelWow"); + let context = glutin::ContextBuilder::new() + .with_gl_profile(glutin::GlProfile::Core) .with_depth_buffer(24) - .with_vsync() - .with_title(format!("MandelWow")) - .build_glium() - .unwrap(); + .with_vsync(true) + .with_srgb(true); + let display = glium::Display::new(window, context, &events_loop).unwrap(); + gl_info(&display); + let mut text = text::Text::new(&display, 'A'); let mandelwow_program = mandelwow::program(&display); let bounding_box_program = bounding_box::solid_fill_program(&display); + let shaded_program = shaded_cube::shaded_program(&display); + let mut timer = Timer::new(); 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; @@ -58,14 +97,45 @@ fn main() { zmin: -1.1, zmax: 1.1, }; + let mandelwow_bbox = bounding_box::BoundingBox::new(&display, &bounds, &bounding_box_program); + let shaded_cube = ShadedCube::new(&display, &shaded_program); - support::start_loop(|| { - camera.update(); + const SEA_XSIZE: usize = 40; + const SEA_ZSIZE: usize = 25; + 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); - if !pause { - // Increment time - t += 0.01; + 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, + }; + } + } + + let mut last_hit = 0.0f32; + let mut hit_time = 0.0f32; + set_main_loop_callback(|| { + let t = timer.t; + let new_hit = sound::hit_event(&mut soundplayer); + if new_hit > last_hit { + hit_time = t; } + last_hit = new_hit; + let hit_delta = t - hit_time; + let hit_scale = 1. / (1. + hit_delta * hit_delta * 15.0) + 1.; + + camera.update(); + let perspview = camera.get_perspview(); // Vary the wow factor to slice the Mandelwow along its 4th dimension. let wmin = -0.8; @@ -78,13 +148,14 @@ 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. @@ -94,50 +165,94 @@ fn main() { view: camera.get_view(), perspective: camera.get_perspective(), }; - bounding_box::draw(&display, &mut frame, &bounding_box_program, &uniforms, &bounds); + 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( + 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()], + }; + shaded_cube.draw(&mut frame, &uniforms); + text.model = model * text_pos; + text.character = (x + z * SEA_XSIZE) as u8 as char; + text.draw(&mut frame, &perspview); + } } mandelwow::draw(&display, &mut frame, &mandelwow_program, model, &camera, &bounds, wow); + frame.finish().unwrap(); - 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 - }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::B)) => { - bounding_box_enabled ^= true; - }, - KeyboardInput(Pressed, _, Some(VirtualKeyCode::F)) => { - fullscreen ^= true; - if fullscreen { - glutin::WindowBuilder::new() - .with_fullscreen(glutin::get_primary_monitor()) - .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), + let mut action = support::Action::Continue; + events_loop.poll_events(|event| { + if let glutin::Event::WindowEvent { event, .. } = event { + camera.process_input(&event); + match event { + glutin::WindowEvent::Closed => { + action = support::Action::Stop + }, + KeyboardInput { input, .. } => { + if input.state == glutin::ElementState::Pressed { + if let Some(key) = input.virtual_keycode { + match key { + VirtualKeyCode::Escape | VirtualKeyCode::Q => { + action = support::Action::Stop; + }, + _ => (), + } + } + } + }, +/* + KeyboardInput { input: glutin::KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::Escape), .. } } | + KeyboardInput { input: glutin::KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::Q), .. } } => { + return support::Action::Stop + }, + KeyboardInput { state: Pressed, virtual_keycode: Some(VirtualKeyCode::B) } => { + bounding_box_enabled ^= true; + }, + 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(); + } + }, +*/ + _ => (), + } } - } + }); - support::Action::Continue - }); + timer.update(); + action + }); }