25 lines
596 B
Rust
25 lines
596 B
Rust
use cgmath::Vector3;
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pub struct Ray {
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pub origin: Vector3<f32>,
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pub direction: Vector3<f32>,
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pub inv_direction: Vector3<f32>,
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pub signs: Vector3<usize>,
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}
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impl Ray {
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pub fn new(origin: Vector3<f32>, direction: Vector3<f32>) -> Ray {
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let inv_direction = 1.0 / direction;
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let x = (inv_direction.x < 0.0) as usize;
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let y = (inv_direction.y < 0.0) as usize;
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let z = (inv_direction.z < 0.0) as usize;
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Ray {
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origin,
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direction,
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inv_direction,
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signs: Vector3::new(x, y, z),
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}
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}
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}
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