X-Git-Url: https://codewiz.org/gitweb?p=mandelwow.git;a=blobdiff_plain;f=main.rs;h=5fc2ded11b78b2f7dcc95d1a598967e58bd32666;hp=1b336887a10fbd99ece652cc71ffd12d72e84f35;hb=ea6dc9f11f8fa27c1a20ffe2e70e4d2fbe69cdff;hpb=6c807504ba6d388b7756433469d0836f42409d44 diff --git a/main.rs b/main.rs index 1b33688..5fc2ded 100644 --- a/main.rs +++ b/main.rs @@ -1,137 +1,141 @@ -// Wow. Such fractal. - -#[macro_use] +extern crate mandelwow_lib; +extern crate cgmath; +#[macro_use(uniform)] extern crate glium; extern crate glutin; -extern crate libxm; -extern crate sdl2; -use cube::Cube; -use glium::{DisplayBuild, Surface}; -use glium::index::{IndexBuffer, PrimitiveType}; +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()); + } +} -mod cube; -mod mandelwow; -mod sound; -mod support; - -fn solid_fill_program(display: &glium::Display) -> glium::Program { - let vertex_shader_src = r#" - #version 140 - in vec3 position; - uniform mat4 perspective; - uniform mat4 view; - uniform mat4 model; - - void main() { - mat4 modelview = view * model; - gl_Position = perspective * modelview * vec4(position, 1.0); - } - "#; +#[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); +} - let fragment_shader_src = r#" - #version 140 +#[cfg(target_os = "emscripten")] +thread_local!(static MAIN_LOOP_CALLBACK: std::cell::RefCell<*mut c_void> = + std::cell::RefCell::new(std::ptr::null_mut())); - out vec4 color; +#[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; + }); - void main() { - color = vec4(1.0, 1.0, 1.0, 1.0); - } - "#; + unsafe { emscripten_set_main_loop(wrapper::, 0, 1); } - return glium::Program::from_source(display, - vertex_shader_src, - fragment_shader_src, - None).unwrap(); + unsafe extern "C" fn wrapper() where F : FnMut() -> support::Action { + MAIN_LOOP_CALLBACK.with(|z| { + let closure = *z.borrow_mut() as *mut F; + (*closure)(); + }); + } } -fn bounding_box(display: &glium::Display, - frame: &mut glium::Frame, - program: &glium::Program, - uniforms: &U, - cube: &Cube) where U: glium::uniforms::Uniforms { - - #[derive(Copy, Clone)] - struct Vertex { position: [f32; 3] } - implement_vertex!(Vertex, position); - - let cube = [ - Vertex { position: [cube.xmin, cube.ymin, cube.zmin] }, - Vertex { position: [cube.xmax, cube.ymin, cube.zmin] }, - Vertex { position: [cube.xmax, cube.ymax, cube.zmin] }, - Vertex { position: [cube.xmin, cube.ymax, cube.zmin] }, - Vertex { position: [cube.xmin, cube.ymin, cube.zmax] }, - Vertex { position: [cube.xmax, cube.ymin, cube.zmax] }, - Vertex { position: [cube.xmax, cube.ymax, cube.zmax] }, - Vertex { position: [cube.xmin, cube.ymax, cube.zmax] }, - ]; - let vb = glium::VertexBuffer::new(display, &cube).unwrap(); - - let params = glium::DrawParameters { - depth: glium::Depth { - test: glium::draw_parameters::DepthTest::IfLess, - write: true, - ..Default::default() - }, - blend: glium::Blend::alpha_blending(), - ..Default::default() - }; - - let front_indices = IndexBuffer::new(display, PrimitiveType::LineLoop, - &[0, 1, 2, 3u16]).unwrap(); - frame.draw(&vb, &front_indices, program, uniforms, ¶ms).unwrap(); - - let back_indices = IndexBuffer::new(display, PrimitiveType::LineLoop, - &[4, 5, 6, 7u16]).unwrap(); - frame.draw(&vb, &back_indices, program, uniforms, ¶ms).unwrap(); - - let sides_indices = IndexBuffer::new(display, PrimitiveType::LinesList, - &[0, 4, 1, 5, 2, 6, 3, 7u16]).unwrap(); - frame.draw(&vb, &sides_indices, program, uniforms, ¶ms).unwrap(); +#[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 display = glium::glutin::WindowBuilder::new() - //.with_dimensions(1024, 768) - .with_fullscreen(glutin::get_primary_monitor()) + let mut soundplayer = sound::start(); + + 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 = solid_fill_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; - support::start_loop(|| { - camera.update(); - - if !pause { - // Increment time - t += 0.01; + // 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, + }; + let mandelwow_bbox = bounding_box::BoundingBox::new(&display, &bounds, &bounding_box_program); + let shaded_cube = ShadedCube::new(&display, &shaded_program); + + 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); + + 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.; - // 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, - }; + camera.update(); + let perspview = camera.get_perspview(); // Vary the wow factor to slice the Mandelwow along its 4th dimension. let wmin = -0.8; @@ -144,13 +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. @@ -160,47 +165,94 @@ fn main() { view: camera.get_view(), perspective: camera.get_perspective(), }; - bounding_box(&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; - }, - 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 + }); }