-fn solid_fill_program(display: &glium::Display) -> glium::Program {
- let vertex_shader_src = r#"
- #version 140
- in vec3 position;
- uniform mat4 perspective;
- uniform mat4 view;
- uniform mat4 model;
-
- void main() {
- mat4 modelview = view * model;
- gl_Position = perspective * modelview * vec4(position, 1.0);
- }
- "#;
-
- let fragment_shader_src = r#"
- #version 140
-
- out vec4 color;
-
- void main() {
- color = vec4(1.0, 1.0, 1.0, 1.0);
- }
- "#;
-
- return glium::Program::from_source(display,
- vertex_shader_src,
- fragment_shader_src,
- None).unwrap();
-}
-
-fn bounding_box<U>(display: &glium::Display,
- frame: &mut glium::Frame,
- program: &glium::Program,
- uniforms: &U,
- cube: &Cube) where U: glium::uniforms::Uniforms {
-
- #[derive(Copy, Clone)]
- struct Vertex { position: [f32; 3] }
- implement_vertex!(Vertex, position);
-
- let cube = [
- Vertex { position: [cube.xmin, cube.ymin, cube.zmin] },
- Vertex { position: [cube.xmax, cube.ymin, cube.zmin] },
- Vertex { position: [cube.xmax, cube.ymax, cube.zmin] },
- Vertex { position: [cube.xmin, cube.ymax, cube.zmin] },
- Vertex { position: [cube.xmin, cube.ymin, cube.zmax] },
- Vertex { position: [cube.xmax, cube.ymin, cube.zmax] },
- Vertex { position: [cube.xmax, cube.ymax, cube.zmax] },
- Vertex { position: [cube.xmin, cube.ymax, cube.zmax] },
- ];
- let vb = glium::VertexBuffer::new(display, &cube).unwrap();
-
- let params = Default::default();
-
- let front_indices = IndexBuffer::new(display, PrimitiveType::LineLoop,
- &[0, 1, 2, 3u16]).unwrap();
- frame.draw(&vb, &front_indices, program, uniforms, ¶ms).unwrap();
-
- let back_indices = IndexBuffer::new(display, PrimitiveType::LineLoop,
- &[4, 5, 6, 7u16]).unwrap();
- frame.draw(&vb, &back_indices, program, uniforms, ¶ms).unwrap();
-
- let sides_indices = IndexBuffer::new(display, PrimitiveType::LinesList,
- &[0, 4, 1, 5, 2, 6, 3, 7u16]).unwrap();
- frame.draw(&vb, &sides_indices, program, uniforms, ¶ms).unwrap();
-}
-