124 lines
2.5 KiB
Rust
124 lines
2.5 KiB
Rust
use hello::geometry::{Geometry, Line, Plane, Sphere};
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use hello::math::{Mat4x4, Point3, Vector3};
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use std::rc::Rc;
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#[derive(Clone)]
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struct RGB {
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red: f64,
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green: f64,
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blue: f64,
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}
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#[derive(Clone)]
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struct Texture {
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width: usize,
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height: usize,
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pixel: Vec<RGB>,
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}
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impl Texture {
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fn load_texture() -> Texture {
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let width = 640;
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let height = 480;
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let mut pixel = Vec::new();
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for _ in 0..width {
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for _ in 0..height {
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pixel.push(RGB {
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red: 1.0,
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green: 1.0,
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blue: 1.0,
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});
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}
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}
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Texture {
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width,
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height,
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pixel,
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}
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}
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}
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struct RenderableGeometry {
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transform: Mat4x4,
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geometry: Geometry,
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texture: Rc<Texture>,
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}
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impl RenderableGeometry {
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fn new(transform: Mat4x4, geometry: Geometry, texture: Rc<Texture>) -> RenderableGeometry {
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RenderableGeometry {
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transform,
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geometry,
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texture,
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}
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}
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}
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trait Renderable {
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fn render(&self);
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}
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impl Renderable for Sphere {
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fn render(&self) {
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println!("Rendering Sphere!");
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}
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}
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impl Renderable for Plane {
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fn render(&self) {
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println!("Rendering Plane!");
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}
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}
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impl Renderable for Line {
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fn render(&self) {
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println!("Rendering Line!");
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}
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}
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fn main() {
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let tex = Rc::new(Texture::load_texture());
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let sphere = Geometry::Sphere(Sphere::new(Point3::new(0.0, 0.0, 0.0), 1.0));
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let geometries = vec![sphere];
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for g in geometries {
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g.draw();
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}
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let mut renderables: Vec<Box<dyn Renderable>> = Vec::new();
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renderables.push(Box::new(Sphere::new(Point3::new(0.0, 0.0, 0.0), 1.0)));
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renderables.push(Box::new(Plane::new(
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Point3::new(0.0, 0.0, 0.0),
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Vector3::new(0.0, 1.0, 0.0),
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)));
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for r in renderables {
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r.render();
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}
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let geo1 = RenderableGeometry::new(
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Mat4x4::ident(),
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Geometry::Sphere(Sphere::new(Point3::new(0.0, 0.0, 0.0), 1.0)),
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tex.clone(),
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);
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let geo2 = RenderableGeometry::new(
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Mat4x4::ident(),
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Geometry::Sphere(Sphere::new(Point3::new(-2.0, 0.0, 0.0), 1.0)),
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tex.clone(),
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);
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let geo3 = RenderableGeometry::new(
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Mat4x4::ident(),
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Geometry::Sphere(Sphere::new(Point3::new(2.0, 0.0, 0.0), 1.0)),
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tex.clone(),
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);
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println!("Reference counter = {}", Rc::strong_count(&tex));
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}
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