X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=main.rs;h=2632712ce8083dc979e662ece34516738b81bd19;hb=0f22f5d5ef2021900d86402703b927006bde1935;hp=dac8b37cb9f0f0dfb350d9293b762c44dd08a484;hpb=4168a7f814e1ed23a2f6e93d312c87bb2cb3005a;p=mandelwow.git diff --git a/main.rs b/main.rs index dac8b37..2632712 100644 --- a/main.rs +++ b/main.rs @@ -1,113 +1,83 @@ -// Wow. Such fractal. - -#[macro_use] - +extern crate cgmath; +#[macro_use(uniform,program,implement_vertex)] extern crate glium; extern crate glutin; +extern crate image; extern crate libxm; extern crate sdl2; +//use cgmath::prelude::*; +use cgmath::{Euler, Matrix4, Rad, Vector3}; use cube::Cube; use glium::{DisplayBuild, Surface}; -use glium::index::{IndexBuffer, PrimitiveType}; use glutin::ElementState::Pressed; use glutin::Event::KeyboardInput; use glutin::VirtualKeyCode; +use std::os::raw::{c_int, c_void}; +mod bounding_box; 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); - } - "#; - - let fragment_shader_src = r#" - #version 140 - - out vec4 color; +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(); +} - void main() { - color = vec4(1.0, 1.0, 1.0, 1.0); - } - "#; +fn gl_info(display : &glium::Display) { + 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()); +} - return glium::Program::from_source(display, - vertex_shader_src, - fragment_shader_src, - None).unwrap(); +#[allow(non_camel_case_types)] +type em_callback_func = unsafe extern fn(); +extern { + fn emscripten_set_main_loop(func : em_callback_func, fps : c_int, simulate_infinite_loop : c_int); } -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() - }; +thread_local!(static MAIN_LOOP_CALLBACK: std::cell::RefCell<*mut c_void> = + std::cell::RefCell::new(std::ptr::null_mut())); - let front_indices = IndexBuffer::new(display, PrimitiveType::LineLoop, - &[0, 1, 2, 3u16]).unwrap(); - frame.draw(&vb, &front_indices, program, uniforms, ¶ms).unwrap(); +pub fn set_main_loop_callback(callback : F) where F : FnMut() { + MAIN_LOOP_CALLBACK.with(|log| { + *log.borrow_mut() = &callback as *const _ as *mut c_void; + }); - let back_indices = IndexBuffer::new(display, PrimitiveType::LineLoop, - &[4, 5, 6, 7u16]).unwrap(); - frame.draw(&vb, &back_indices, program, uniforms, ¶ms).unwrap(); + unsafe { emscripten_set_main_loop(wrapper::, 0, 1); } - 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(); + unsafe extern "C" fn wrapper() where F : FnMut() { + MAIN_LOOP_CALLBACK.with(|z| { + let closure = *z.borrow_mut() as *mut F; + (*closure)(); + }); + } } fn main() { - sound::start(); + let _soundplayer = sound::start(); - let display = glium::glutin::WindowBuilder::new() - //.with_dimensions(1024, 768) - .with_fullscreen(glutin::get_primary_monitor()) + let display = glutin::WindowBuilder::new() + .with_dimensions(600, 600) + //.with_fullscreen(glutin::get_primary_monitor()) .with_depth_buffer(24) .with_vsync() .with_title(format!("MandelWow")) .build_glium() .unwrap(); + gl_info(&display); + 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 mut camera = support::camera::CameraState::new(); let mut t: f32 = 0.0; @@ -115,7 +85,18 @@ fn main() { let mut bounding_box_enabled = true; let mut fullscreen = true; - support::start_loop(|| { + // 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(|| { + set_main_loop_callback(|| { camera.update(); if !pause { @@ -123,16 +104,6 @@ fn main() { 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, - }; - // Vary the wow factor to slice the Mandelwow along its 4th dimension. let wmin = -0.8; let wmax = 0.8; @@ -144,13 +115,12 @@ fn main() { let mut frame = display.draw(); frame.clear_color_and_depth((0.0, 0.0, 0.0, 1.0), 1.0); + let rotation = cgmath::Matrix4::from( + Euler { x: Rad(t.sin() / 3.), y: Rad(t.sin() / 2.), z: Rad(t)}); 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 model2 = + Matrix4::from_translation(Vector3::unit_z() * z_trans) * rotation; + let model = cgmath::conv::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. @@ -160,7 +130,7 @@ fn main() { view: camera.get_view(), perspective: camera.get_perspective(), }; - bounding_box(&display, &mut frame, &bounding_box_program, &uniforms, &bounds); + bounding_box::draw(&display, &mut frame, &bounding_box_program, &uniforms, &bounds); } mandelwow::draw(&display, &mut frame, &mandelwow_program, model, &camera, &bounds, wow); @@ -168,25 +138,14 @@ fn main() { for ev in display.poll_events() { match ev { - glium::glutin::Event::Closed | + glutin::Event::Closed | KeyboardInput(Pressed, _, Some(VirtualKeyCode::Escape)) | KeyboardInput(Pressed, _, Some(VirtualKeyCode::Q)) => { - return support::Action::Stop + //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; }, @@ -196,11 +155,26 @@ fn main() { KeyboardInput(Pressed, _, Some(VirtualKeyCode::PageDown)) => { t -= 0.01; }, + KeyboardInput(Pressed, _, Some(VirtualKeyCode::F10)) => { + screenshot(&display); + }, + KeyboardInput(Pressed, _, 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(); + } + }, ev => camera.process_input(&ev), } } - support::Action::Continue + //support::Action::Continue }); - }