tollyx/wgpu-tutorial
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cargo fmt

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This commit is contained in:
Adrian Hedqvist 2021-04-05 10:32:51 +02:00
parent bcce2c1625
commit df694989c9
6 changed files with 122 additions and 98 deletions
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2
build.rs
View file

@ -1,12 +1,12 @@
use anyhow::*;
use fs_extra::{copy_items, dir::CopyOptions};
use glob::glob;
use rayon::prelude::*;
use std::path::PathBuf;
use std::{
env,
fs::{read_to_string, write},
};
use rayon::prelude::*;
struct ShaderData {
src: String,

6
src/camera.rs
View file

@ -73,7 +73,11 @@ impl CameraController {
}
pub fn process_keyboard(&mut self, key: VirtualKeyCode, state: ElementState) -> bool {
let amount = if state == ElementState::Pressed { 1.0 } else { 0.0 };
let amount = if state == ElementState::Pressed {
1.0
} else {
0.0
};
match key {
VirtualKeyCode::Space => {
self.amount_up = amount;

46
src/main.rs
View file

@ -1,15 +1,20 @@
use imgui::im_str;
use model::{DrawLight, DrawModel, Model, Vertex};
use wgpu::util::DeviceExt;
use winit::{dpi::PhysicalPosition, event::*, event_loop::{ControlFlow, EventLoop}, window::{Window, WindowBuilder}};
use winit::{
dpi::PhysicalPosition,
event::*,
event_loop::{ControlFlow, EventLoop},
window::{Window, WindowBuilder},
};
use cgmath::prelude::*;
mod camera;
mod light;
mod model;
mod texture;
mod terrain;
mod texture;
type Vec3 = cgmath::Vector3<f32>;
@ -202,7 +207,7 @@ struct State {
rotation_speed: f32,
last_mouse_pos: PhysicalPosition<f64>,
mouse_pressed: bool
mouse_pressed: bool,
}
impl State {
@ -260,7 +265,10 @@ impl State {
wgpu::BindGroupLayoutEntry {
binding: 1,
visibility: wgpu::ShaderStage::FRAGMENT,
ty: wgpu::BindingType::Sampler { filtering: false, comparison: false },
ty: wgpu::BindingType::Sampler {
filtering: false,
comparison: false,
},
count: None,
},
// Normal map texture
@ -277,7 +285,10 @@ impl State {
wgpu::BindGroupLayoutEntry {
binding: 3,
visibility: wgpu::ShaderStage::FRAGMENT,
ty: wgpu::BindingType::Sampler { filtering: false, comparison: false },
ty: wgpu::BindingType::Sampler {
filtering: false,
comparison: false,
},
count: None,
},
],
@ -317,8 +328,8 @@ impl State {
usage: wgpu::BufferUsage::VERTEX | wgpu::BufferUsage::COPY_DST,
});
let projection = camera::Projection::new(sc_desc.width, sc_desc.height, cgmath::Deg(45.0), 0.1, 100.0);
let projection =
camera::Projection::new(sc_desc.width, sc_desc.height, cgmath::Deg(45.0), 0.1, 100.0);
let camera = camera::Camera::new((0.0, 5.0, -10.0), cgmath::Deg(90.0), cgmath::Deg(-20.0));
@ -513,14 +524,16 @@ impl State {
}
fn input(&mut self, event: &WindowEvent) -> bool {
match event {
WindowEvent::KeyboardInput { input: winit::event::KeyboardInput {
virtual_keycode: Some(key),
state,
WindowEvent::KeyboardInput {
input:
winit::event::KeyboardInput {
virtual_keycode: Some(key),
state,
..
},
..
}, .. } => {
} => {
if self.imgui.io().want_capture_keyboard {
true
} else {
@ -550,7 +563,8 @@ impl State {
fn update(&mut self, dt: f32) {
self.camera_controller.update_camera(&mut self.camera, dt);
self.uniforms.update_view_proj(&self.camera, &self.projection);
self.uniforms
.update_view_proj(&self.camera, &self.projection);
let mut encoder = self
.device
@ -732,7 +746,7 @@ fn create_render_pipeline(
strip_index_format: None,
front_face: wgpu::FrontFace::Ccw,
cull_mode: wgpu::CullMode::Back,
polygon_mode: wgpu::PolygonMode::Fill
polygon_mode: wgpu::PolygonMode::Fill,
},
depth_stencil: depth_format.map(|format| wgpu::DepthStencilState {
format,
@ -746,6 +760,6 @@ fn create_render_pipeline(
count: 1,
mask: !0,
alpha_to_coverage_enabled: false,
}
},
})
}

33
src/model.rs
View file

@ -159,23 +159,22 @@ impl Model {
.map(|m| {
let mut vertices: Vec<_> = (0..m.mesh.positions.len() / 3)
.into_par_iter()
.map(|i| {
ModelVertex {
position: [
m.mesh.positions[i * 3],
m.mesh.positions[i * 3 + 1],
m.mesh.positions[i * 3 + 2],
],
tex_coords: [m.mesh.texcoords[i * 2], m.mesh.texcoords[i * 2 + 1]],
normal: [
m.mesh.normals[i * 3],
m.mesh.normals[i * 3 + 1],
m.mesh.normals[i * 3 + 2],
],
tangent: [0.0; 3],
bitangent: [0.0; 3],
}
}).collect();
.map(|i| ModelVertex {
position: [
m.mesh.positions[i * 3],
m.mesh.positions[i * 3 + 1],
m.mesh.positions[i * 3 + 2],
],
tex_coords: [m.mesh.texcoords[i * 2], m.mesh.texcoords[i * 2 + 1]],
normal: [
m.mesh.normals[i * 3],
m.mesh.normals[i * 3 + 1],
m.mesh.normals[i * 3 + 2],
],
tangent: [0.0; 3],
bitangent: [0.0; 3],
})
.collect();
let indices = &m.mesh.indices;

80
src/terrain/mod.rs
View file

@ -60,7 +60,7 @@ pub fn generate_terrain_marching_cube(seed: u64, chunk_coords: Vector3<i32>) ->
let mut noise = FastNoise::new();
let chunk_coords = chunk_coords * CHUNK_SIZE as i32;
noise.set_seed(seed);
noise.set_frequency(0.03);
noise.set_frequency(0.1);
(0..CHUNK_ARRAY_SIZE)
.into_par_iter()
@ -102,42 +102,43 @@ pub fn generate_terrain_marching_cube(seed: u64, chunk_coords: Vector3<i32>) ->
let edge = table::EDGES[cube_index];
let points = calculate_points(edge, corners, values);
table::TRIANGLES[cube_index]
.into_par_iter()
.chunks(3)
.take(5)
.filter_map(move |i| {
if *i[0] < 0 {
return None;
}
let mut vertices = vec![];
for i in (0..5).map(|i| i * 3) {
if table::TRIANGLES[cube_index][i] < 0 {
break;
}
let (a, b, c) = (
points[*i[0] as usize],
points[*i[1] as usize],
points[*i[2] as usize],
);
let (a, b, c) = (
points[table::TRIANGLES[cube_index][i] as usize],
points[table::TRIANGLES[cube_index][i + 1] as usize],
points[table::TRIANGLES[cube_index][i + 2] as usize],
);
let u = a - c;
let v = b - c;
let normal = u.cross(v).normalize();
let u = b - a;
let v = c - a;
let normal = Vector3::new(
u.y * v.z - u.z * v.y,
u.z * v.x - u.x * v.z,
u.x * v.y - u.y * v.x,
)
.normalize();
//assert!(!normal.x.is_nan() && !normal.y.is_nan() && !normal.z.is_nan(), "normal: {:?}, u: {:?}, v: {:?}", normal, u, v);
vertices.push(TerrainVertex {
position: a.into(),
normal: normal.into(),
});
vertices.push(TerrainVertex {
position: b.into(),
normal: normal.into(),
});
vertices.push(TerrainVertex {
position: c.into(),
normal: normal.into(),
});
}
vertices
Some(vec![
TerrainVertex {
position: a.into(),
normal: normal.into(),
},
TerrainVertex {
position: b.into(),
normal: normal.into(),
},
TerrainVertex {
position: c.into(),
normal: normal.into(),
},
])
})
.flatten()
})
.flatten()
.collect()
@ -205,16 +206,17 @@ mod tests {
use super::*;
#[test]
fn test_gen() {
let mut vert = generate_terrain_marching_cube(0, Vector3 { x: 0, y: 0, z: 0 });
vert.extend(generate_terrain_marching_cube(0, Vector3 { x: 1, y: 0, z: 0 }));
vert.extend(generate_terrain_marching_cube(0, Vector3 { x: 0, y: 0, z: 1 }));
vert.extend(generate_terrain_marching_cube(0, Vector3 { x: 1, y: 0, z: 1 }));
let vert = generate_terrain_marching_cube(0, Vector3 { x: 0, y: 0, z: 0 });
let count = vert.len();
for v in vert {
for v in &vert {
let [x, y, z] = v.position;
println!("v {} {} {}", x, y, z);
}
for i in (0..count / 3).map(|i| i * 3 + 1) {
for v in &vert {
let [x, y, z] = v.normal;
println!("vn {} {} {}", x, y, z);
}
for i in (1..=count).step_by(3) {
println!("f {} {} {}", i, i + 1, i + 2);
}
}

53
src/terrain/table.rs
View file

@ -1,27 +1,30 @@
pub const EDGES: [i32; 256] =
[
0x000, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00,
0x190, 0x099, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90,
0x230, 0x339, 0x033, 0x13a, 0x636, 0x73f, 0x435, 0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30,
0x3a0, 0x2a9, 0x1a3, 0x0aa, 0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0,
0x460, 0x569, 0x663, 0x76a, 0x066, 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60,
0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0x0ff, 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0,
0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x055, 0x15c, 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950,
0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0x0cc, 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0,
0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0x0cc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0,
0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x055, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650,
0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc, 0x3f5, 0x0ff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0,
0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x066, 0x76a, 0x663, 0x569, 0x460,
0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0x0aa, 0x1a3, 0x2a9, 0x3a0,
0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x033, 0x339, 0x230,
0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x099, 0x190,
0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x000
pub const EDGES: [i32; 256] = [
0x000, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a,
0xd03, 0xe09, 0xf00, 0x190, 0x099, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895,
0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90, 0x230, 0x339, 0x033, 0x13a, 0x636, 0x73f, 0x435,
0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30, 0x3a0, 0x2a9, 0x1a3, 0x0aa,
0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0, 0x460,
0x569, 0x663, 0x76a, 0x066, 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963,
0xa69, 0xb60, 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0x0ff, 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff,
0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0, 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x055, 0x15c,
0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950, 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6,
0x2cf, 0x1c5, 0x0cc, 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0, 0x8c0, 0x9c9,
0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0x0cc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9,
0x7c0, 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x055, 0x35f, 0x256,
0x55a, 0x453, 0x759, 0x650, 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc,
0x3f5, 0x0ff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0, 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f,
0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x066, 0x76a, 0x663, 0x569, 0x460, 0xca0, 0xda9, 0xea3,
0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0x0aa, 0x1a3, 0x2a9, 0x3a0,
0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a,
0x033, 0x339, 0x230, 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795,
0x49f, 0x596, 0x29a, 0x393, 0x099, 0x190, 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905,
0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x000,
];
pub const TRIANGLES: [[i32; 16]; 256] =
[
[-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
pub const TRIANGLES: [[i32; 16]; 256] = [
[
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
],
[0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
[0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
[1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
@ -276,5 +279,7 @@ pub const TRIANGLES: [[i32; 16]; 256] =
[1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
[0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
[0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1],
[-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
];
[
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
],
];