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their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] +nalgebra = "0.32.3" +wgpu = "0.18.0" diff --git a/src/main.rs b/src/main.rs index 8f29a93..3398cd0 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,6 +1,11 @@ -pub mod vec4; +#![allow(dead_code)] +mod ray; +use nalgebra::{Matrix4, Vector4}; + +use ray::Ray; fn main() { - println!("Hello world"); + let x = Vector4::new(1.0, 1.0, 1.0, 1.0); + let mat_a = Matrix4::from_diagonal_element(0.12); + println!("mat_a*x = {}", { mat_a * x }); } - diff --git a/src/vec4.rs b/src/vec4.rs deleted file mode 100644 index 0ae45e7..0000000 --- a/src/vec4.rs +++ /dev/null @@ -1,264 +0,0 @@ -use std::fmt; -use std::ops; -// Vectors will have 4 components -// Color: r,b,g,a -// Vector: x,y,z,0 -// Position: x,y,z,1 - -#[derive(Copy, Clone)] -pub struct Vec4 { - x: [f32; 4], -} - -impl Vec4 { - //Initialise a vector with 4 components - pub fn new(x: f32, y: f32, z: f32, w: f32) -> Vec4 { - Vec4 { x: [x, y, z, w] } - } - //Create a unit vector - pub fn unit() -> Vec4 { - Vec4 { - x: [1.0, 1.0, 1.0, 1.0], - } - } - //Create a vector will all entries equal to x - pub fn with_value(x: f32) -> Vec4 { - Vec4 { x: [x, x, x, x] } - } - //Dot product - pub fn dot(&self, other: &Vec4) -> f32 { - self.x[0] * other.x[0] - + self.x[1] * other.x[1] - + self.x[2] * other.x[2] - + self.x[3] * other.x[3] - } - //Cross product - pub fn cross(&self, other: &Vec4) -> Vec4 { - Vec4 { - x: [ - self.x[1] * other.x[2] - self.x[2] * other.x[1], - self.x[2] * other.x[0] - self.x[0] * other.x[2], - self.x[0] * other.x[1] - self.x[1] * other.x[0], - 0.0, - ], - } - } - //Normalise the vector - pub fn normalise(&mut self) { - let magnitude = self.dot(self).sqrt(); - if magnitude != 0.0 { - *self /= magnitude; - } - } -} -// METHODS TO ADD--------------------------- -// + Vec4 -impl ops::Add for Vec4 { - type Output = Vec4; - - fn add(self, other: Vec4) -> Vec4 { - Vec4 { - x: [ - self.x[0] + other.x[0], - self.x[1] + other.x[1], - self.x[2] + other.x[2], - self.x[3] + other.x[3], - ], - } - } -} -// + f32 -impl ops::Add for Vec4 { - type Output = Vec4; - - fn add(self, other: f32) -> Vec4 { - Vec4 { - x: [ - self.x[0] + other, - self.x[1] + other, - self.x[2] + other, - self.x[3] + other, - ], - } - } -} -// += Vec4 -impl ops::AddAssign for Vec4 { - fn add_assign(&mut self, other: Vec4) { - self.x[0] += other.x[0]; - self.x[1] += other.x[1]; - self.x[2] += other.x[2]; - self.x[3] += other.x[3]; - } -} -// += f32 -impl ops::AddAssign for Vec4 { - fn add_assign(&mut self, other: f32) { - self.x[0] += other; - self.x[1] += other; - self.x[2] += other; - self.x[3] += other; - } -} -// - Vec4 -impl ops::Sub for Vec4 { - type Output = Vec4; - fn sub(self, other: Vec4) -> Vec4 { - Vec4 { - x: [ - self.x[0] - other.x[0], - self.x[1] - other.x[1], - self.x[2] - other.x[2], - self.x[3] - other.x[3], - ], - } - } -} -// - f32 -impl ops::Sub for Vec4 { - type Output = Vec4; - - fn sub(self, other: f32) -> Vec4 { - Vec4 { - x: [ - self.x[0] - other, - self.x[1] - other, - self.x[2] - other, - self.x[3] - other, - ], - } - } -} -// -= Vec4 -impl ops::SubAssign for Vec4 { - fn sub_assign(&mut self, other: Vec4) { - self.x[0] -= other.x[0]; - self.x[1] -= other.x[1]; - self.x[2] -= other.x[2]; - self.x[3] -= other.x[3]; - } -} -// -= f32 -impl ops::SubAssign for Vec4 { - fn sub_assign(&mut self, other: f32) { - self.x[0] -= other; - self.x[1] -= other; - self.x[2] -= other; - self.x[3] -= other; - } -} -// * Vec4 -impl ops::Mul for Vec4 { - type Output = Vec4; - fn mul(self, other: Vec4) -> Vec4 { - Vec4 { - x: [ - self.x[0] * other.x[0], - self.x[1] * other.x[1], - self.x[2] * other.x[2], - self.x[3] * other.x[3], - ], - } - } -} -// * f32 -impl ops::Mul for Vec4 { - type Output = Vec4; - - fn mul(self, other: f32) -> Vec4 { - Vec4 { - x: [ - self.x[0] * other, - self.x[1] * other, - self.x[2] * other, - self.x[3] * other, - ], - } - } -} -// *= Vec4 -impl ops::MulAssign for Vec4 { - fn mul_assign(&mut self, other: Vec4) { - self.x[0] *= other.x[0]; - self.x[1] *= other.x[1]; - self.x[2] *= other.x[2]; - self.x[3] *= other.x[3]; - } -} -// *= -impl ops::MulAssign for Vec4 { - fn mul_assign(&mut self, other: f32) { - self.x[0] *= other; - self.x[1] *= other; - self.x[2] *= other; - self.x[3] *= other; - } -} -// / Vec4 -impl ops::Div for Vec4 { - type Output = Vec4; - fn div(self, other: Vec4) -> Vec4 { - Vec4 { - x: [ - self.x[0] / other.x[0], - self.x[1] / other.x[1], - self.x[2] / other.x[2], - self.x[3] / other.x[3], - ], - } - } -} -// / f32 -impl ops::Div for Vec4 { - type Output = Vec4; - fn div(self, other: f32) -> Vec4 { - Vec4 { - x: [ - self.x[0] / other, - self.x[1] / other, - self.x[2] / other, - self.x[3] / other, - ], - } - } -} -// /= Vec4 -impl ops::DivAssign for Vec4 { - fn div_assign(&mut self, other: Vec4) { - self.x[0] /= other.x[0]; - self.x[1] /= other.x[1]; - self.x[2] /= other.x[2]; - self.x[3] /= other.x[3]; - } -} -// /= -impl ops::DivAssign for Vec4 { - fn div_assign(&mut self, other: f32) { - if other != 0.0 { - self.x[0] /= other; - self.x[1] /= other; - self.x[2] /= other; - self.x[3] /= other; - } - } -} -impl ops::Index for Vec4 { - type Output = f32; - fn index(&self, index: usize) -> &Self::Output { - &self.x[index] - } -} -impl ops::IndexMut for Vec4 { - fn index_mut(&mut self, index: usize) -> &mut f32 { - &mut self.x[index] - } -} -impl fmt::Display for Vec4 { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!( - f, - "Vec4({}, {}, {}, {})", - self.x[0], self.x[1], self.x[2], self.x[3] - ) - } -}