From c31e7cb1ec52e9a2b1c70f117e3eddd55343a59b Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Sun, 22 Sep 2024 16:13:43 +0300
Subject: [PATCH] Tripod!

---
 src/bin/wireframe/main.rs    | 24 ++++++++++++++++++------
 src/bin/wireframe/ray.v.glsl |  2 +-
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/bin/wireframe/main.rs b/src/bin/wireframe/main.rs
index 4be379a..1cacea3 100644
--- a/src/bin/wireframe/main.rs
+++ b/src/bin/wireframe/main.rs
@@ -60,23 +60,35 @@ fn main() {
 	let indices = glium::index::NoIndices(glium::index::PrimitiveType::LineLoop);
 	let shape = vec![
 		Vertex {
-			position: [-1., 0., 4.],
+			position: [0., 0., 0.],
 		},
 		Vertex {
-			position: [0., -1., 4.],
+			position: [1., 0., 0.],
 		},
 		Vertex {
-			position: [1., 0., 4.],
+			position: [0., 0., 0.],
 		},
 		Vertex {
-			position: [0., 1., 4.],
+			position: [0., 1., 0.],
+		},
+		Vertex {
+			position: [0., 0., 0.],
+		},
+		Vertex {
+			position: [0., 0., 1.],
 		},
 	];
 	let vertex_buffer = VertexBuffer::new(&display, &shape).unwrap();
 
+	let rot = Quat::from_euler(
+		glam::EulerRot::YXZ,
+		std::f32::consts::FRAC_PI_4,
+		std::f32::consts::FRAC_PI_6,
+		0.,
+	);
 	let mut cur_pos = vec2(0., 0.);
-	let mut cam_pos = DragCtl::new(Vec3::ZERO);
-	let mut cam_rot = DragCtl::new(Quat::IDENTITY);
+	let mut cam_pos = DragCtl::new(rot * vec3(0., 0., 4.));
+	let mut cam_rot = DragCtl::new(rot.inverse());
 
 	#[allow(deprecated)]
 	event_loop
diff --git a/src/bin/wireframe/ray.v.glsl b/src/bin/wireframe/ray.v.glsl
index 947c66a..c51e18d 100644
--- a/src/bin/wireframe/ray.v.glsl
+++ b/src/bin/wireframe/ray.v.glsl
@@ -8,6 +8,6 @@ in vec3 position;
 out vec3 vertex_color;
 
 void main() {
-	vertex_color = color;
+	vertex_color = position;
 	gl_Position = mvp * vec4(position, 1.0);
 }