Redefine Scene struct
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23
src/main.rs
23
src/main.rs
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@ -11,20 +11,20 @@ mod camera; use camera::*;
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mod types; use types::*;
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mod object; use object::*;
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fn trace(ray: Ray, scene: &Scene) -> Option<(&Object, f32)> {
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scene.iter()
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.filter_map(|obj| obj.intersect(ray)
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.map(|x| (obj, x)))
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.min_by(|a, b| a.1.partial_cmp(&b.1).unwrap_or(Ordering::Equal))
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fn trace(ray: Ray, objects: &Vec<Object>) -> Option<(&Object, f32)> {
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objects.iter()
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.filter_map(|obj| obj.intersect(ray)
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.map(|x| (obj, x)))
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.min_by(|a, b| a.1.partial_cmp(&b.1).unwrap_or(Ordering::Equal))
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}
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fn cast_ray(ray: Ray, scene: &Scene) -> Color {
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if let Some((obj, dist)) = trace(ray, scene) {
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if let Some((obj, dist)) = trace(ray, &scene.objects) {
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let point = ray.project(dist);
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obj.getcolor(point)
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}
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else { Color::black() }
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else { scene.background }
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}
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fn render(camera: &Camera, scene: &Scene, filename: &str) -> std::io::Result<()> {
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@ -54,9 +54,12 @@ fn main() -> std::io::Result<()> {
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let camera = Camera::new(Point3::new(0.0,0.0,0.0), Vector3::new(0.0,0.0,1.0), 1.0, 16.0 / 9.0, 2.0, 480);
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let scene = vec![
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Object::new_boundless(TriangleMesh::singleton(Point3::new(-1.0, -1.0, 2.0), Point3::new(0.0, 1.0, 2.0), Point3::new(1.0, -1.0, 2.0), |t, u, v| Color::new(t, u, v)))
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];
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let scene = Scene {
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objects: vec![
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Object::new(TriangleMesh::singleton(Point3::new(-1.0, -1.0, 2.0), Point3::new(0.0, 1.0, 2.0), Point3::new(1.0, -1.0, 2.0), |t, u, v| Color::new(t, u, v)))
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],
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background: Color::black()
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};
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render(&camera, &scene, "out.ppm")
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}
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@ -70,7 +70,11 @@ impl Object {
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pub fn getcolor(&self, point: Point3<f32>) -> Color { self.surface.getcolor(point) }
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}
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pub type Scene = Vec<Object>;
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pub struct Scene {
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pub objects: Vec<Object>,
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pub background: Color
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}
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#[cfg(test)]
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mod tests {
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@ -205,7 +205,6 @@ impl Surface for TriangleMesh {
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}
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fn smallest_sphere(points: Vec<&Point3<f32>>, boundary: Vec<&Point3<f32>>) -> (Point3<f32>, f32) {
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println!("{:?}\n{:?}\n", points, boundary);
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if points.len() == 0 || boundary.len() == 4 {
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match boundary.len() {
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0 => (Point3::new(0.0, 0.0, 0.0), 0.0),
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