27 lines
778 B
Rust
27 lines
778 B
Rust
extern crate nalgebra as na;
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use na::{Isometry3, Vector3};
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fn main() {
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let iso = Isometry3::new(Vector3::new(1.0f32, 0.0, 1.0), na::zero());
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// Compute the homogeneous coordinates first.
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let iso_matrix = iso.to_homogeneous();
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let iso_array = iso_matrix.as_slice();
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let iso_pointer = iso_array.as_ptr();
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/* Then pass the raw pointer to some graphics API. */
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#[allow(clippy::float_cmp)]
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unsafe {
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assert_eq!(*iso_pointer, 1.0);
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assert_eq!(*iso_pointer.offset(5), 1.0);
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assert_eq!(*iso_pointer.offset(10), 1.0);
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assert_eq!(*iso_pointer.offset(15), 1.0);
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assert_eq!(*iso_pointer.offset(12), 1.0);
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assert_eq!(*iso_pointer.offset(13), 0.0);
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assert_eq!(*iso_pointer.offset(14), 1.0);
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}
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}
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