56 lines
1.6 KiB
Rust
56 lines
1.6 KiB
Rust
extern crate nalgebra as na;
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extern crate nalgebra_glm as glm;
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use glm::Mat4;
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use glm::Vec4;
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use na::Orthographic3;
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use na::Perspective3;
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#[test]
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pub fn orthographic_glm_nalgebra_same() {
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let na_mat: Mat4 =
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Orthographic3::new(-100.0f32, 100.0f32, -50.0f32, 50.0f32, 0.1f32, 100.0f32).into_inner();
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let gl_mat: Mat4 = glm::ortho(-100.0f32, 100.0f32, -50.0f32, 50.0f32, 0.1f32, 100.0f32);
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assert_eq!(na_mat, gl_mat);
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}
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#[test]
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pub fn perspective_glm_nalgebra_same() {
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let na_mat: Mat4 =
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Perspective3::new(16.0f32 / 9.0f32, 3.14f32 / 2.0f32, 0.1f32, 100.0f32).into_inner();
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let gl_mat: Mat4 = glm::perspective(16.0f32 / 9.0f32, 3.14f32 / 2.0f32, 0.1f32, 100.0f32);
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assert_eq!(na_mat, gl_mat);
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}
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#[test]
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pub fn orthographic_glm_nalgebra_project_same() {
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let point = Vec4::new(1.0, 0.0, -20.0, 1.0);
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let na_mat: Mat4 =
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Orthographic3::new(-100.0f32, 100.0f32, -50.0f32, 50.0f32, 0.1f32, 100.0f32).into_inner();
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let gl_mat: Mat4 = glm::ortho(-100.0f32, 100.0f32, -50.0f32, 50.0f32, 0.1f32, 100.0f32);
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let na_pt = na_mat * point;
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let gl_pt = gl_mat * point;
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assert_eq!(na_mat, gl_mat);
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assert_eq!(na_pt, gl_pt);
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}
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#[test]
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pub fn perspective_glm_nalgebra_project_same() {
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let point = Vec4::new(1.0, 0.0, -20.0, 1.0);
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let na_mat: Mat4 =
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Perspective3::new(16.0f32 / 9.0f32, 3.14f32 / 2.0f32, 0.1f32, 100.0f32).into_inner();
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let gl_mat: Mat4 = glm::perspective(16.0f32 / 9.0f32, 3.14f32 / 2.0f32, 0.1f32, 100.0f32);
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let na_pt = na_mat * point;
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let gl_pt = gl_mat * point;
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assert_eq!(na_mat, gl_mat);
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assert_eq!(na_pt, gl_pt);
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}
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